做前台经常会遇到×××验证的问题，今天写了一个js验证文件，验证升值、×××号码，获取性别，生日。后期可能会获取所属地址。
/**
* 验证×××
* @param idcard ×××号码
* @return result = {"pass":false,"node":""}
*/
function IDValidate(idcard){
var result = {"pass":false,"node":""};
if(!idcard){
result.node = "×××号不能为空";
return result;
}
if( !/^\d{6}(18|19|20)?\d{2}(0[1-9]|1[12])(0[1-9]|[12]\d|3[01])\d{3}(\d|X)$/i.test(idcard) ){
result.node = "×××号格式错误";
return result;
}
var city={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江 ",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北 ",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏 ",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外"};
if(!city[idcard.substr(0,2)]){
result.node = "×××号前两位地址编码错误";
return result;
}
//18位×××需要验证最后一位校验位
if(idcard.length == 18){
idcard = idcard.split('');
var factor = [ 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 ];//∑(ai×Wi)(mod 11) 加权因子
var parity = [ 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2 ];//校验位
var sum = 0;
for (var i = 0; i < 17; i++){
sum += idcard[i] * factor[i];
}
if(parity[sum % 11] != idcard[17]){
result.node = "×××号末尾校验错误";
return result;
}
}
result.pass = true;
result.node = "×××号验证正确";
return result;
}
/**
* 获取性别，生日
* @param idcard ×××号码
* @return info = {"birthdayText":"","birthdayValue":null,"genderText":"","genderValue":null};
*/
function parseID(idcard){
if( !IDValidate(idcard).pass ){
return false;
}
var info = {"birthdayText":"","birthdayValue":null,"genderText":"","genderValue":null};
if (15 == idcard.length) { //15位×××号码
var year = idcard.charAt(6) + idcard.charAt(7);
if (parseInt(year) < 10) {
year = '20' + year;
}else{
year = '19' + year;
}
info.birthdayText = year + '-' + idcard.substring(8,10)+ '-' + idcard.substring(10,12);
info.genderText = parseInt(idcard.charAt(14)) % 2 == 0 ? "女" : "男";
}else if (18 == idcard.length) { //18位×××号码
info.birthdayText = idcard.substring(6,10)+"-"+idcard.substring(10,12)+"-"+idcard.substring(12,14);
info.genderText = parseInt(idcard.charAt(16)) % 2 == 0 ? "女" : "男";
}
info.birthdayValue = new Date(info.birthdayText.replace(/-/g,'/')+' 00:00:00');
info.genderValue = info.genderText == "男" ? 1 : 2;
return info;
}
/**
* 验证×××号码
* @param idcard ×××号码
* @return info = {"birthdayText":"","birthdayValue":null,"genderText":"","genderValue":null};
*/
function checkIdcard(idcard){
return IDValidate(idcard).pass;
}