url传参时特殊字符转换+&%

        //特殊字符转换        var empNameArr = employee_name.split("");//字符串转成数组        employee_name = "";        for(i=0;i<empNameArr.length;i++){            var k = empNameArr[i].indexOf("+");            var l = empNameArr[i].indexOf("%");            var p = empNameArr[i].indexOf("&");            if(k == 0){                empNameArr[i] = "%2B";            }else if(l == 0){                empNameArr[i] = "%25";            }else if(p == 0){                empNameArr[i] = "%26";            }else{            }            employee_name += empNameArr[i];        }