组织机构代码

 //检验组织机构代码值
    function checkCode(code){
        var reg = /^$|^[0-9|A-Z]{8}[0-9|X]$/;
        var str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
        var params = "3,7,9,10,5,8,4,2".split(",");
        var sum = 0;

        if(reg.test(code)==false){
            alert("数据格式不正确!");
        }else{
            for(var i=0; i <code.length-1; i++){
                //取字符串前8位的每位数字
                var temp = code.charAt(i);
                //当数字为"0"到"9"时
                if(str.indexOf(temp) == -1){
                //当数字为0到9时,计算每位数字与参数的积并累加求和
                    sum = sum + parseInt(temp)*params[i];
                }else{
                    //当数字为"A"到"Z"时,计算每位数字与参数的积并累加求和
                    sum = sum + (str.indexOf(temp)+10)*params[i];
                }
            }
            // alert(sum);
            if((code.length!=0)){
                if(((11-sum%11)==10)&&(code.charAt(8)!="X")){
                    alert("数据验证位不正确!");
                }else if(((11-sum%11)==11)&&(code.charAt(8)!="0")){
                    alert("数据验证位不正确!");
                }else if((11-sum%11)!=code.charAt(8)){
                    alert("数据验证位不正确!");
                }
            }
        }
    }