从盛大通行证上摘下来的身份证验证js代码

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我是靠谱客的博主健康斑马，最近开发中收集的这篇文章主要介绍从盛大通行证上摘下来的身份证验证js代码，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

复制代码代码如下:

 
<script language="javascript" type="text/javascript"> 
function CheckIdCardField(v_card) { 
var reg = /^d{15}(d{2}[0-9X])?$/i; 
if (!reg.test(v_card)) { 
return false; 
} 
if (v_card.length == 15) { 
var n = new Date(); 
var y = n.getFullYear(); 
if (parseInt("19" + v_card.substr(6, 2)) < 1900 || parseInt("19" + v_card.substr(6, 2)) > y) { 
return false; 
} 
var birth = "19" + v_card.substr(6, 2) + "-" + v_card.substr(8, 2) + "-" + v_card.substr(10, 2); 
if (!isDate(birth)) { 
return false; 
} 
} 
if (v_card.length == 18) { 
var n = new Date(); 
var y = n.getFullYear(); 
if (parseInt(v_card.substr(6, 4)) < 1900 || parseInt(v_card.substr(6, 4)) > y) { 
return false; 
} 
var birth = v_card.substr(6, 4) + "-" + v_card.substr(10, 2) + "-" + v_card.substr(12, 2); 
if (!isDate(birth)) { 
return false; 
} 
iW = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1); 
iSum = 0; 
for (i = 0; i < 17; i++) { 
iC = v_card.charAt(i); 
iVal = parseInt(iC); 
iSum += iVal * iW[i]; 
} 
iJYM = iSum % 11; 
if (iJYM == 0) sJYM = "1"; 
else if (iJYM == 1) sJYM = "0"; 
else if (iJYM == 2) sJYM = "x"; 
else if (iJYM == 3) sJYM = "9"; 
else if (iJYM == 4) sJYM = "8"; 
else if (iJYM == 5) sJYM = "7"; 
else if (iJYM == 6) sJYM = "6"; 
else if (iJYM == 7) sJYM = "5"; 
else if (iJYM == 8) sJYM = "4"; 
else if (iJYM == 9) sJYM = "3"; 
else if (iJYM == 10) sJYM = "2"; 
var cCheck = v_card.charAt(17).toLowerCase(); 
if (cCheck != sJYM) { 
return false; 
} 
} 
return true; 
} 
</script> 