.net 获取远程IP 得到省市代码,CSharp代码库,德仔网

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【CSharp】 .net 获取远程IP 得到省市
作者:CSDN / 发布于2012/1/11/ 700
<div>.net 获取远程IP 得到省市

<span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.IO;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Collections;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Text;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Text.RegularExpressions;
</span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">class</span><span style="color: rgb(0,0,0)"> IPScanner
{
 </span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 私有成员</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> dataPath;
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> ip;
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> country;
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> local;

 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> firstStartIp </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> lastStartIp </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> FileStream objfs </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">null</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> startIp </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> endIp </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">int</span><span style="color: rgb(0,0,0)"> countryFlag </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> endIpOff </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> errMsg </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">null</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 构造函数</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> IPScanner()
 {
 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">
 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)"> TODO: 在此处添加构造函数逻辑
 </span><span style="color: rgb(0,128,0)">//
</span><span style="color: rgb(0,0,0)"> }
 </span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 公共属性</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> DataPath
 {
 </span><span style="color: rgb(0,0,255)">set</span><span style="color: rgb(0,0,0)"> { dataPath </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> value; }
 }
 </span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> IP
 {
 </span><span style="color: rgb(0,0,255)">set</span><span style="color: rgb(0,0,0)"> { ip </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> value; }
 }
 </span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> Country
 {
 </span><span style="color: rgb(0,0,255)">get</span><span style="color: rgb(0,0,0)"> { </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> country; }
 }
 </span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> Local
 {
 </span><span style="color: rgb(0,0,255)">get</span><span style="color: rgb(0,0,0)"> { </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> local; }
 }
 </span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> ErrMsg
 {
 </span><span style="color: rgb(0,0,255)">get</span><span style="color: rgb(0,0,0)"> { </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> errMsg; }
 }
 </span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 搜索匹配数据</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">int</span><span style="color: rgb(0,0,0)"> QQwry()
 {
 </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> pattern </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">@"</span><span style="color: rgb(128,0,0)">(((/d{1,2})|(1/d{2})|(2[0-4]/d)|(25[0-5]))/.){3}((/d{1,2})|(1/d{2})|(2[0-4]/d)|(25[0-5]))</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;
 Regex objRe </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> Regex(pattern);
 Match objMa </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> objRe.Match(ip);
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(0,0,0)">!</span><span style="color: rgb(0,0,0)">objMa.Success)
 {
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.errMsg </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">IP格式错误</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">4</span><span style="color: rgb(0,0,0)">;
 }

 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> ip_Int </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.IpToInt(ip);
 </span><span style="color: rgb(0,0,255)">int</span><span style="color: rgb(0,0,0)"> nRet </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (ip_Int </span><span style="color: rgb(0,0,0)">>=</span><span style="color: rgb(0,0,0)"> IpToInt(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">127.0.0.0</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">) </span><span style="color: rgb(0,0,0)">&&</span><span style="color: rgb(0,0,0)"> ip_Int </span><span style="color: rgb(0,0,0)"><=</span><span style="color: rgb(0,0,0)"> IpToInt(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">127.255.255.255</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">))
 {
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.country </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">本机内部环回地址</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.local </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">""</span><span style="color: rgb(0,0,0)">;
 nRet </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">;
 }
 </span><span style="color: rgb(0,0,255)">else</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> ((ip_Int </span><span style="color: rgb(0,0,0)">>=</span><span style="color: rgb(0,0,0)"> IpToInt(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">0.0.0.0</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">) </span><span style="color: rgb(0,0,0)">&&</span><span style="color: rgb(0,0,0)"> ip_Int </span><span style="color: rgb(0,0,0)"><=</span><span style="color: rgb(0,0,0)"> IpToInt(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">2.255.255.255</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">)) </span><span style="color: rgb(0,0,0)">||</span><span style="color: rgb(0,0,0)"> (ip_Int </span><span style="color: rgb(0,0,0)">>=</span><span style="color: rgb(0,0,0)"> IpToInt(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">64.0.0.0</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">) </span><span style="color: rgb(0,0,0)">&&</span><span style="color: rgb(0,0,0)"> ip_Int </span><span style="color: rgb(0,0,0)"><=</span><span style="color: rgb(0,0,0)"> IpToInt(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">126.255.255.255</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">)) </span><span style="color: rgb(0,0,0)">||</span><span style="color: rgb(0,0,0)"> (ip_Int </span><span style="color: rgb(0,0,0)">>=</span><span style="color: rgb(0,0,0)"> IpToInt(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">58.0.0.0</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">) </span><span style="color: rgb(0,0,0)">&&</span><span style="color: rgb(0,0,0)"> ip_Int </span><span style="color: rgb(0,0,0)"><=</span><span style="color: rgb(0,0,0)"> IpToInt(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">60.255.255.255</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">)))
 {
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.country </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">网络保留地址</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.local </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">""</span><span style="color: rgb(0,0,0)">;
 nRet </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">;
 }
 objfs </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> FileStream(</span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.dataPath, FileMode.Open, FileAccess.Read);
 </span><span style="color: rgb(0,0,255)">try</span><span style="color: rgb(0,0,0)">
 {
 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">objfs.Seek(0,SeekOrigin.Begin);</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> objfs.Position </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">byte</span><span style="color: rgb(0,0,0)">[] buff </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> Byte[</span><span style="color: rgb(128,0,128)">8</span><span style="color: rgb(0,0,0)">];
 objfs.Read(buff, </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">, </span><span style="color: rgb(128,0,128)">8</span><span style="color: rgb(0,0,0)">);
 firstStartIp </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> buff[</span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">] </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> buff[</span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">] </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> buff[</span><span style="color: rgb(128,0,128)">2</span><span style="color: rgb(0,0,0)">] </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> buff[</span><span style="color: rgb(128,0,128)">3</span><span style="color: rgb(0,0,0)">] </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)">;
 lastStartIp </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> buff[</span><span style="color: rgb(128,0,128)">4</span><span style="color: rgb(0,0,0)">] </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> buff[</span><span style="color: rgb(128,0,128)">5</span><span style="color: rgb(0,0,0)">] </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> buff[</span><span style="color: rgb(128,0,128)">6</span><span style="color: rgb(0,0,0)">] </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> buff[</span><span style="color: rgb(128,0,128)">7</span><span style="color: rgb(0,0,0)">] </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> recordCount </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> Convert.ToInt64((lastStartIp </span><span style="color: rgb(0,0,0)">-</span><span style="color: rgb(0,0,0)"> firstStartIp) </span><span style="color: rgb(0,0,0)">/</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">7.0</span><span style="color: rgb(0,0,0)">);
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (recordCount </span><span style="color: rgb(0,0,0)"><=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">)
 {
 country </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">FileDataError</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;
 objfs.Close();
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">2</span><span style="color: rgb(0,0,0)">;
 }
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> rangE </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> recordCount;
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> rangB </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> recNO </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">while</span><span style="color: rgb(0,0,0)"> (rangB </span><span style="color: rgb(0,0,0)"><</span><span style="color: rgb(0,0,0)"> rangE </span><span style="color: rgb(0,0,0)">-</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">)
 {
 recNO </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> (rangE </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> rangB) </span><span style="color: rgb(0,0,0)">/</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">2</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.GetStartIp(recNO);
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (ip_Int </span><span style="color: rgb(0,0,0)">==</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.startIp)
 {
 rangB </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> recNO;
 </span><span style="color: rgb(0,0,255)">break</span><span style="color: rgb(0,0,0)">;
 }
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (ip_Int </span><span style="color: rgb(0,0,0)">></span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.startIp)
 rangB </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> recNO;
 </span><span style="color: rgb(0,0,255)">else</span><span style="color: rgb(0,0,0)">
 rangE </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> recNO;
 }
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.GetStartIp(rangB);
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.GetEndIp();
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.startIp </span><span style="color: rgb(0,0,0)"><=</span><span style="color: rgb(0,0,0)"> ip_Int </span><span style="color: rgb(0,0,0)">&&</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.endIp </span><span style="color: rgb(0,0,0)">>=</span><span style="color: rgb(0,0,0)"> ip_Int)
 {
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.GetCountry();
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.local </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.local.Replace(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">（我们一定要解放台湾！！！）</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">, </span><span style="color: rgb(128,0,0)">""</span><span style="color: rgb(0,0,0)">);
 }
 </span><span style="color: rgb(0,0,255)">else</span><span style="color: rgb(0,0,0)">
 {
 nRet </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">3</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.country </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">未知</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.local </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">""</span><span style="color: rgb(0,0,0)">;
 }
 objfs.Close();
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> nRet;
 }
 </span><span style="color: rgb(0,0,255)">catch</span><span style="color: rgb(0,0,0)">
 {
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">;
 }

 }
 </span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> IP地址转换成Int数据</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> IpToInt(</span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> ip)
 {
 </span><span style="color: rgb(0,0,255)">char</span><span style="color: rgb(0,0,0)">[] dot </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">char</span><span style="color: rgb(0,0,0)">[] { </span><span style="color: rgb(128,0,0)">'</span><span style="color: rgb(128,0,0)">.</span><span style="color: rgb(128,0,0)">'</span><span style="color: rgb(0,0,0)"> };
 </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)">[] ipArr </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> ip.Split(dot);
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (ipArr.Length </span><span style="color: rgb(0,0,0)">==</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">3</span><span style="color: rgb(0,0,0)">)
 ip </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> ip </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">.0</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;
 ipArr </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> ip.Split(dot);

 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> ip_Int </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> p1 </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)">.Parse(ipArr[</span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">]) </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> p2 </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)">.Parse(ipArr[</span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">]) </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> p3 </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)">.Parse(ipArr[</span><span style="color: rgb(128,0,128)">2</span><span style="color: rgb(0,0,0)">]) </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> p4 </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)">.Parse(ipArr[</span><span style="color: rgb(128,0,128)">3</span><span style="color: rgb(0,0,0)">]);
 ip_Int </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> p1 </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> p2 </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> p3 </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> p4;
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> ip_Int;
 }
 </span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> int转换成IP</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> IntToIP(</span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> ip_Int)
 {
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> seg1 </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> (ip_Int </span><span style="color: rgb(0,0,0)">&</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0xff000000</span><span style="color: rgb(0,0,0)">) </span><span style="color: rgb(0,0,0)">>></span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">24</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (seg1 </span><span style="color: rgb(0,0,0)"><</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">)
 seg1 </span><span style="color: rgb(0,0,0)">+=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0x100</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> seg2 </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> (ip_Int </span><span style="color: rgb(0,0,0)">&</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0x00ff0000</span><span style="color: rgb(0,0,0)">) </span><span style="color: rgb(0,0,0)">>></span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">16</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (seg2 </span><span style="color: rgb(0,0,0)"><</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">)
 seg2 </span><span style="color: rgb(0,0,0)">+=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0x100</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> seg3 </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> (ip_Int </span><span style="color: rgb(0,0,0)">&</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0x0000ff00</span><span style="color: rgb(0,0,0)">) </span><span style="color: rgb(0,0,0)">>></span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">8</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (seg3 </span><span style="color: rgb(0,0,0)"><</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">)
 seg3 </span><span style="color: rgb(0,0,0)">+=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0x100</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> seg4 </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> (ip_Int </span><span style="color: rgb(0,0,0)">&</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0x000000ff</span><span style="color: rgb(0,0,0)">);
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (seg4 </span><span style="color: rgb(0,0,0)"><</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">)
 seg4 </span><span style="color: rgb(0,0,0)">+=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0x100</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> ip </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> seg1.ToString() </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">.</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> seg2.ToString() </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">.</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> seg3.ToString() </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">.</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> seg4.ToString();

 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> ip;
 }
 </span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 获取起始IP范围</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> GetStartIp(</span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> recNO)
 {
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> offSet </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> firstStartIp </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> recNO </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">7</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">objfs.Seek(offSet,SeekOrigin.Begin);</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> objfs.Position </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> offSet;
 </span><span style="color: rgb(0,0,255)">byte</span><span style="color: rgb(0,0,0)">[] buff </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> Byte[</span><span style="color: rgb(128,0,128)">7</span><span style="color: rgb(0,0,0)">];
 objfs.Read(buff, </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">, </span><span style="color: rgb(128,0,128)">7</span><span style="color: rgb(0,0,0)">);

 endIpOff </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">4</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">5</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">6</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)">;
 startIp </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">2</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">3</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> startIp;
 }
 </span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 获取结束IP</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> GetEndIp()
 {
 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">objfs.Seek(endIpOff,SeekOrigin.Begin);</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> objfs.Position </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> endIpOff;
 </span><span style="color: rgb(0,0,255)">byte</span><span style="color: rgb(0,0,0)">[] buff </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> Byte[</span><span style="color: rgb(128,0,128)">5</span><span style="color: rgb(0,0,0)">];
 objfs.Read(buff, </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">, </span><span style="color: rgb(128,0,128)">5</span><span style="color: rgb(0,0,0)">);
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.endIp </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">2</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">3</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.countryFlag </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> buff[</span><span style="color: rgb(128,0,128)">4</span><span style="color: rgb(0,0,0)">];
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.endIp;
 }
 </span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 获取国家/区域偏移量</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> GetCountry()
 {
 </span><span style="color: rgb(0,0,255)">switch</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.countryFlag)
 {
 </span><span style="color: rgb(0,0,255)">case</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">:
 </span><span style="color: rgb(0,0,255)">case</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">2</span><span style="color: rgb(0,0,0)">:
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.country </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> GetFlagStr(</span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.endIpOff </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">4</span><span style="color: rgb(0,0,0)">);
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.local </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">==</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.countryFlag) </span><span style="color: rgb(0,0,0)">?</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)"> : </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.GetFlagStr(</span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.endIpOff </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">8</span><span style="color: rgb(0,0,0)">);
 </span><span style="color: rgb(0,0,255)">break</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">default</span><span style="color: rgb(0,0,0)">:
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.country </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.GetFlagStr(</span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.endIpOff </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">4</span><span style="color: rgb(0,0,0)">);
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.local </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.GetFlagStr(objfs.Position);
 </span><span style="color: rgb(0,0,255)">break</span><span style="color: rgb(0,0,0)">;
 }
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;
 }
 </span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 获取国家/区域字符串</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> GetFlagStr(</span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> offSet)
 {
 </span><span style="color: rgb(0,0,255)">int</span><span style="color: rgb(0,0,0)"> flag </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">byte</span><span style="color: rgb(0,0,0)">[] buff </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> Byte[</span><span style="color: rgb(128,0,128)">3</span><span style="color: rgb(0,0,0)">];
 </span><span style="color: rgb(0,0,255)">while</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">==</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">)
 {
 </span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">objfs.Seek(offSet,SeekOrigin.Begin);</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> objfs.Position </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> offSet;
 flag </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> objfs.ReadByte();
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (flag </span><span style="color: rgb(0,0,0)">==</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">||</span><span style="color: rgb(0,0,0)"> flag </span><span style="color: rgb(0,0,0)">==</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">2</span><span style="color: rgb(0,0,0)">)
 {
 objfs.Read(buff, </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">, </span><span style="color: rgb(128,0,128)">3</span><span style="color: rgb(0,0,0)">);
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (flag </span><span style="color: rgb(0,0,0)">==</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">2</span><span style="color: rgb(0,0,0)">)
 {
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.countryFlag </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">2</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.endIpOff </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> offSet </span><span style="color: rgb(0,0,0)">-</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">4</span><span style="color: rgb(0,0,0)">;
 }
 offSet </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> Convert.ToInt64(buff[</span><span style="color: rgb(128,0,128)">2</span><span style="color: rgb(0,0,0)">].ToString()) </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">*</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">256</span><span style="color: rgb(0,0,0)">;
 }
 </span><span style="color: rgb(0,0,255)">else</span><span style="color: rgb(0,0,0)">
 {
 </span><span style="color: rgb(0,0,255)">break</span><span style="color: rgb(0,0,0)">;
 }
 }
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (offSet </span><span style="color: rgb(0,0,0)"><</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">12</span><span style="color: rgb(0,0,0)">)
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;
 objfs.Position </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> offSet;
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> GetStr();
 }
 </span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> GetStr</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,0,255)">private</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> GetStr()
 {
 </span><span style="color: rgb(0,0,255)">byte</span><span style="color: rgb(0,0,0)"> lowC </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">byte</span><span style="color: rgb(0,0,0)"> upC </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> str </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">""</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">byte</span><span style="color: rgb(0,0,0)">[] buff </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">byte</span><span style="color: rgb(0,0,0)">[</span><span style="color: rgb(128,0,128)">2</span><span style="color: rgb(0,0,0)">];
 </span><span style="color: rgb(0,0,255)">while</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">==</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">)
 {
 lowC </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> (Byte)objfs.ReadByte();
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (lowC </span><span style="color: rgb(0,0,0)">==</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">)
 </span><span style="color: rgb(0,0,255)">break</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (lowC </span><span style="color: rgb(0,0,0)">></span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">127</span><span style="color: rgb(0,0,0)">)
 {
 upC </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(0,0,255)">byte</span><span style="color: rgb(0,0,0)">)objfs.ReadByte();
 buff[</span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">] </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> lowC;
 buff[</span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">] </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> upC;
 System.Text.Encoding enc </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> System.Text.Encoding.GetEncoding(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">GB2312</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">);
 str </span><span style="color: rgb(0,0,0)">+=</span><span style="color: rgb(0,0,0)"> enc.GetString(buff);
 }
 </span><span style="color: rgb(0,0,255)">else</span><span style="color: rgb(0,0,0)">
 {
 str </span><span style="color: rgb(0,0,0)">+=</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(0,0,255)">char</span><span style="color: rgb(0,0,0)">)lowC;
 }
 }
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> str;
 }
 </span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">

 </span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 获取IP地址</span><span style="color: rgb(0,0,0)">
 </span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> IPLocation()
 {
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.QQwry();
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.country;</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">this.local</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> }
 </span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> IPLocation(</span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> dataPath, </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> ip)
 {
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.dataPath </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> dataPath;
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.ip </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> ip;
 </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.QQwry();
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.country </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">this</span><span style="color: rgb(0,0,0)">.local;
 }


 </span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">
}
</span></div>
<div><span style="color: rgb(0,0,0)"><span style="color: rgb(0,0,0)">添加上面的类



调用方法：

</span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> ip </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> Request.ServerVariables.Get(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">REMOTE_ADDR</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">);</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">自动获取用户IP</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)">            IPScanner objScan </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> IPScanner();
 objScan.DataPath </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> Server.MapPath(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">~/qqwry.dat</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">);
 objScan.IP </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> ip;
 </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> addre </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> objScan.IPLocation();
 </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> err </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> objScan.ErrMsg;</span></span></div>
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