复制代码 代码如下:

var aCity={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\"}  

 
function isCardID(sId){ 
  var iSum=0 ; 
  var info=\"\" ; 
  if(!/^\\d{17}(\\d|x)$/i.test(sId)) return \"你输入的身份证长度或格式错误\"; 
  sId=sId.replace(/x$/i,\"a\"); 
  if(aCity[parseInt(sId.substr(0,2))]==null) return \"你的身份证地区非法\"; 
  sBirthday=sId.substr(6,4)+\"-\"+Number(sId.substr(10,2))+\"-\"+Number(sId.substr(12,2)); 
  var d=new Date(sBirthday.replace(/-/g,\"/\")) ; 
  if(sBirthday!=(d.getFullYear()+\"-\"+ (d.getMonth()+1) + \"-\" + d.getDate()))return \"身份证上的出生日期非法\"; 
  for(var i = 17;i>=0;i --) iSum += (Math.pow(2,i) % 11) * parseInt(sId.charAt(17 - i),11) ; 
  if(iSum%11!=1) return \"你输入的身份证号非法\"; 
  return true;//aCity[parseInt(sId.substr(0,2))]+\",\"+sBirthday+\",\"+(sId.substr(16,1)%2?\"男\":\"女\")  
}