js 公用方法累积

 

//公用方法 author:tangw
var VIM={};
VIM.common = {
    //转义特殊字符
    char_cv:function(str){
        if (str != ''){
            str = str.replace(/'<');
            str = str.replace(/%3C/g,'<');
            str = str.replace(/>/g,'>');
            str = str.replace(/%3E/g,'>');
            str = str.replace(/'/g,''');
            str = str.replace(/"/g,'"');
        }
        return str;
    },
    //截取字符串
    getStr:function(str,len){
        var length = len || 6;
        if (str == null) {
            return 0;
        }
        var l = str.length;
        var blen = 0;
        var i = 0;
        for (i = 0; i < l; i++) {
            if ((str.charCodeAt(i) & 65280) != 0) {
                blen++;
                if(blen>length) break;
            }
            blen++;
            if(blen>length) break;
        }
        var rStr = str.substring(0,i);
        if(i
            rStr += "...";
        }
        return rStr;
    },
    //页面加载方法,兼容各类浏览器
    attachEvent:function(elm, evType, callback, useCapture){
        var obj = typeof elm == "string"?document.getElementById(elm):elm;
        if (obj.addEventListener) {
            obj.addEventListener(evType, callback, useCapture);
            return true;
        } else if (obj.attachEvent) {
            var r = obj.attachEvent('on' + evType, callback);
            return r;
        } else {
            obj['on' + evType] = callback;
        }
        return false;
    },
    getSwfObj:function(id){
        var r = null;
        var o = document.getElementById(id);
        if (o && o.nodeName == "OBJECT") {
            if (typeof o.SetVariable != UNDEF) {
                    r = o;
            }else {
                var n = o.getElementsByTagName(OBJECT)[0];
                if (n) {
                     r = n;
                }
            }
        }
        return r;
    },
    getArgs:function(){
      var passedArgs = [];
      var search = self.location.href;
      search = search.split('?');
      if(search.length>1){
        var argList = search[1];
        argList = argList.split('&');
        for(var i=0; i
          var newArg = argList[i];
          newArg = argList[i].split('=');
          passedArgs[unescape(newArg[0])] = unescape(newArg[1]);
        }
      }
      return passedArgs;
    }
};