1. //获取url参数，正则匹配
   
2. function getQueryString(name) {
   
3.     var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
   
4.     var r = window.location.search.substr(1).match(reg);
   
5.     if (r != null) return unescape(r[2]); return null;
   
6. }
   
7. //获得字符串实际长度，中文2，英文1
   
8. function GetLength(str) {
   
9.     var realLength = 0, len = str.length, charCode = -1;
   
10.     for (var i = 0; i < len; i++) {
    
11.         charCode = str.charCodeAt(i);
    
12.         if (charCode >= 0 && charCode <= 128) realLength += 1;
    
13.         else realLength += 2;
    
14.     }
    
15.     return realLength;
    
16. }

复制代码

1. //获取url参数，正则匹配
   
2. function getQueryString(name) {
   
3.     var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
   
4.     var r = window.location.search.substr(1).match(reg);
   
5.     if (r != null) return unescape(r[2]); return null;
   
6. }
   
7. //获得字符串实际长度，中文2，英文1
   
8. function GetLength(str) {
   
9.     var realLength = 0, len = str.length, charCode = -1;
   
10.     for (var i = 0; i < len; i++) {
    
11.         charCode = str.charCodeAt(i);
    
12.         if (charCode >= 0 && charCode <= 128) realLength += 1;
    
13.         else realLength += 2;
    
14.     }
    
15.     return realLength;
    
16. }

复制代码