截取中英文混合字符串分行显示宽度相同代码,CSharp代码库,德仔网

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【CSharp】截取中英文混合字符串分行显示宽度相同
作者:Dezai.CN / 发布于2012/3/26/ 444
<div>using System;</div>
<div>using System.Collections.Generic;</div>
<div>using System.Web;</div>
<div>using System.Web.UI;</div>
<div>using System.Web.UI.WebControls;</div>
<div>using System.Data;</div>
<div>using System.Text;</div>
<div></div>
<div>public partial class GetPrintContent : System.Web.UI.Page</div>
<div>{</div>
<div>  protected string ClientCode = string.Empty;</div>
<div>  protected string LogoTxt = string.Empty;</div>
<div>  protected void Page_Load(object sender, EventArgs e)</div>
<div>  {</div>
<div>    if (!string.IsNullOrEmpty(Request["Str"]))</div>
<div>    {</div>
<div>        StringBuilder xmlString = new StringBuilder();</div>
<div>        this.ClientCode = "胜多负少胜多负少胜多负少胜多负少12345胜多负少胜多负少胜多负少胜多负少12345胜多负少";</div>
<div>        xmlString.AppendLine("<?xml version=\"1.0\" encoding=\"utf-8\"?>");</div>
<div>        xmlString.AppendLine("<PRINT>");</div>
<div>        xmlString.AppendLine("<LOGO URI=\"中英文混合字符串截取固定长度\"/>");</div>
<div>        string logoTxt = this.ClientCode.Replace("\r\n", "");</div>
<div>        if ((logoTxt.Length / 16 + 1) > 1)</div>
<div>        {</div>
<div>          int startIndex = 0;//字节数</div>
<div>          int subLen = 16;</div>
<div>          int subCount = logoTxt.Length / 16 + 1;</div>
<div>          for (int i = 0; i < subCount; i++)</div>
<div>          {</div>
<div>            string oneOfVal = SubStrLenth(logoTxt, startIndex, subLen * 2);</div>
<div>            if (oneOfVal != "")</div>
<div>            {</div>
<div>              xmlString.AppendLine("<TEXT VAL=\"" + oneOfVal + "\"/>");</div>
<div>              startIndex += GetStrByteLength(oneOfVal);</div>
<div>            }
<div>            else</div>
<div>            {</div>
<div>              break;</div>
<div>            }
<div>           </div>
<div>          }
<div>        }
<div>        else</div>
<div>        {</div>
<div>          xmlString.AppendLine("<TEXT VAL=\"" + logoTxt + "\"/>");</div>
<div>        }
<div></div>
<div>        xmlString.AppendLine("</PRINT>");</div>
<div>           </div>
<div>       </div>
<div>        Response.ContentEncoding = Encoding.UTF8;</div>
<div>        Response.ContentType = "text/xml";</div>
<div>        Response.Charset = "utf-8";</div>
<div>        Response.Write(xmlString);</div>
<div>        Response.End();</div>
<div>      //}
<div>    }
<div>  }
<div></div>
<div>  private bool ISChinese(char C)</div>
<div>  {</div>
<div>    return (int)C >= 0x4E00 && (int)C <= 0x9FA5;</div>
<div>  }
<div></div>
<div>  private int GetStrByteLength(string str)</div>
<div>  {</div>
<div>    return System.Text.Encoding.Default.GetByteCount(str);</div>
<div>  }
<div>  private string SubStrLenth(string str, int startIndex, int length)</div>
<div>  {</div>
<div>    int strlen = GetStrByteLength(str);</div>
<div>    if (startIndex + 1 > strlen)</div>
<div>    {</div>
<div>      return "";</div>
<div>    }
<div>    int j = 0;//记录遍历的字节数</div>
<div>    int L = 0;//记录每次截取开始，遍历到开始的字节位，才开始记字节数</div>
<div>    int strW = 0;//字符宽度</div>
<div>    bool b = false;//当每次截取时，遍历到开始截取的位置才为true</div>
<div>    string restr = string.Empty;</div>
<div>    for (int i = 0; i < str.Length; i++)</div>
<div>    {</div>
<div>      char C = str[i];</div>
<div>      if (ISChinese(C))</div>
<div>      {</div>
<div>        strW = 2;</div>
<div>      }
<div>      else</div>
<div>      {</div>
<div>        strW = 1;</div>
<div>      }
<div>      if ((L == length-1) && (L + strW > length))</div>
<div>      {</div>
<div>        b = false;</div>
<div>        break;</div>
<div>      }
<div>      if (j >= startIndex)</div>
<div>      {</div>
<div>        restr += C;</div>
<div>        b = true;</div>
<div>      }
<div>     </div>
<div>      j += strW;</div>
<div></div>
<div>      if (b)</div>
<div>      {</div>
<div>        L += strW;</div>
<div>        if (((L + 1) > length))</div>
<div>        {</div>
<div>          b = false;</div>
<div>          break;</div>
<div>        }
<div>      }
<div></div>
<div>    }
<div>    return restr;</div>
<div>  }
<div></div>
<div>}
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