/截取字符串长度区分中英文, 中文两个字节. 超出部分代码,JS代码库,德仔网

代码语言

代码分类

【JS】 /截取字符串长度区分中英文, 中文两个字节. 超出部分

作者:Dezai.CN / 发布于2012/2/1/ 835

<div><font face="Courier New">//截取字符串长度 区分中英文, 中文两个字节. 超出部分中指定字符串代替 需引用 String.prototype.getBytes</font>
<div class="line number7 index6 alt2">"javascript spaces">    "javascript plain">String.prototype.cutBytes = "javascript keyword">function "javascript plain">(strLen, replaceStr) {</div>
<div class="line number8 index7 alt1">"javascript spaces">        "javascript keyword">var "javascript plain">str = "javascript keyword">this"javascript plain">.toString();</div>
<div class="line number9 index8 alt2">"javascript spaces">        "javascript keyword">if "javascript plain">(str.getBytes() <= strLen)</div>
<div class="line number10 index9 alt1">"javascript spaces">            "javascript keyword">return "javascript plain">str;</div>
<div class="line number11 index10 alt2">"javascript spaces">        "javascript keyword">var "javascript plain">returnStr = "javascript string">"""javascript plain">;</div>
<div class="line number12 index11 alt1">"javascript spaces">        "javascript keyword">var "javascript plain">tempLen = 0;</div>
<div class="line number13 index12 alt2">"javascript spaces">        "javascript keyword">for "javascript plain">("javascript keyword">var "javascript plain">i = 0; i < str.length; i++) {</div>
<div class="line number14 index13 alt1">"javascript spaces">            "javascript keyword">var "javascript plain">tempChar = str[i].match(/[^\x00-\xff]/ig);</div>
<div class="line number15 index14 alt2">"javascript spaces">            "javascript plain">returnStr += str[i];</div>
<div class="line number16 index15 alt1">"javascript spaces">            "javascript plain">tempLen += tempChar == "javascript keyword">null "javascript plain">? 1 : 2;</div>
<div class="line number17 index16 alt2">"javascript spaces">            "javascript keyword">if "javascript plain">(tempLen >= strLen) {</div>
<div class="line number18 index17 alt1">"javascript spaces">                "javascript keyword">return "javascript plain">i + 1 < str.length ? returnStr + replaceStr : returnStr;</div>
<div class="line number19 index18 alt2">"javascript spaces">            "javascript plain">}</div>
<div class="line number20 index19 alt1">"javascript spaces">        "javascript plain">}</div>
<div class="line number21 index20 alt2">"javascript spaces">        "javascript keyword">return "javascript string">"""javascript plain">;</div>
<div class="line number22 index21 alt1">"javascript spaces">    "javascript plain">};</div>
</div>

评论列表

本站所提供的代码，版权归原作者所有，若有侵犯作者版权，请与我们联系，我们将立即删除或修改。谢谢!
本站所有代码发布及提供者。

试试其它关键字

同语言下

可能有用的

Dezai.CN贡献的其它代码(4037)