组织机构代码和社会信用码验证
作者：互联网
function checkCode() {//社会统一验证码
var code = document.getElementById("userName").value;
if(code.length != 18&&code.length != 9){
alert("社会信用代码或者组织机构代码长度错误！");
return false;
}
if(code.length == 9){
var ws = [3, 7, 9, 10, 5, 8, 4, 2];
var str = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
var reg = /^([0-9A-Z]){9}$/;
if (!reg.test(code)) {
alert("组织机构代码错误");
return false;
}
var sum = 0;
for (var i = 0; i < 8; i++) {
sum += str.indexOf(code.charAt(i)) * ws[i];
}
alert(code.substring(8,9));
var C9 = 11 - (sum % 11);
if (C9 == 11) {
C9='0';
} else if (C9 == 10) {
C9='X';
}
alert(C9);
if(C9!=code.substring(8,9)){
alert("组织机构代码错误");
return false;
}
}
if(code.length == 18){
var reg = /^([0-9ABCDEFGHJKLMNPQRTUWXY]{2})([0-9]{6})([0-9ABCDEFGHJKLMNPQRTUWXY]{9})([0-9Y])$/;
if(!reg.test(code)){
alert("社会信用代码校验错误！");
return false;
}
var str = '0123456789ABCDEFGHJKLMNPQRTUWXY';
var ws =[1,3,9,27,19,26,16,17,20,29,25,13,8,24,10,30,28];
var codes = new Array();
codes[0] = code.substr(0,code.length-1);
codes[1] = code.substr(code.length-1,code.length);
var sum = 0;
for(var i=0;i<17;i++){
sum += str.indexOf(codes[0].charAt(i)) * ws[i];
}
var c18 = 31 - (sum % 31);
if(c18 == 31){
alert("第18位 == 31");
c18 = 'Y';
}else if(c18 == 30){
alert("第18位 == 30");
c18 = '0';
}
if(c18 != codes[1]){
alert("社会信用代码有误！"+c18);
return false;
}
}
}
标签：code,验证,信用,代码,C9,alert,length,c18,var 来源： https://www.cnblogs.com/Jeely/p/12613183.html