//方法一：function checkLicense(code){var tip = "OK";var pass= true;if(code.length != 18){tip = "社会信用代码长度错误！";pass = false;}var reg = /^([159Y]{1})([1239]{1})([0-9]{6})([0-9ABCDEFGHJKLMNPQRTUWXY]{9})([0-9ABCDEFGHJKLMNPQRTUWXY]{1})$/;if(!reg.test(code)){tip = "社会信用代码校验错误！";pass = false;}//不用I、O、S、V、Zvar 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();var sum = 0;codes[0] = code.substr(0,code.length-1);codes[1] = code.substr(code.length-1,code.length);for(var i=0;i<codes[0].length;i++){var Ancode = codes[0].charAt(i);var Ancodevalue = str.indexOf(Ancode);sum += Ancodevalue * ws[i];}var indexOfc18 = 31 - (sum % 31);var c18 = str.charAt(indexOfc18);if(c18 != codes[1]){tip = "社会信用代码有误！";pass = false;}
return {'errCode':pass, 'errMsg':tip};
}

//方法二function checkLicense(code){var tip = "OK";var pass= true;var patrn = /^[0-9A-Z]+$/;//18位校验及大写校验if ((code.length != 18) || (patrn.test(code) == false)){alert("不是有效的统一社会信用编码！");}else{var Ancode;//统一社会信用代码的每一个值var Ancodevalue;//统一社会信用代码每一个值的权重var total = 0;var weightedfactors = [1, 3, 9, 27, 19, 26, 16, 17, 20, 29, 25, 13, 8, 24, 10, 30, 28];//加权因子var str = '0123456789ABCDEFGHJKLMNPQRTUWXY';//不用I、O、S、V、Zfor (var i = 0; i < code.length - 1; i++){Ancode = code.substring(i, i + 1);Ancodevalue = str.indexOf(Ancode);total = total + Ancodevalue * weightedfactors[i];//权重与加权因子相乘之和
        }alert(total);var logiccheckcode = 31 - total % 31;if (logiccheckcode == 31){logiccheckcode = 0;}var Str = "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,J,K,L,M,N,P,Q,R,T,U,W,X,Y";var Array_Str = Str.split(',');logiccheckcode = Array_Str[logiccheckcode];alert(logiccheckcode);var checkcode = code.substring(17, 18);if (logiccheckcode != checkcode){pass = false;tip = "不是有效的统一社会信用编码！";alert("不是有效的统一社会信用编码！");}}return {'errCode':pass, 'errMsg':tip};
}