【www.gdgbn.com--php函数】

function isidnum(str)

{

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:"***",71:"台湾",81:"香港",82:"澳门",91:"国外 "}

var isum=0

var info=""

if(!/^d{17}(d|x)$/i.test(str))

   return false;

str=str.replace(/x$/i,"a");

if(city[parseint(str.substr(0,2))]==null)

{

   alert( "error:非法地区");

   return false;

}

sbirthday=str.substr(6,4)+"-"+number(str.substr(10,2))+"-"+number(str.substr(12,2));

var d=new date(sbirthday.replace(/-/g,"/"))

if(sbirthday!=(d.getfullyear()+"-"+ (d.getmonth()+1) + "-" + d.getdate()))

{

   alert("error:非法生日");

   return false;

}

for(var i = 17;i>=0;i --)

   isum += (math.pow(2,i) % 11) * parseint(str.charat(17 - i),11)

if(isum%11!=1)

{

   alert("error:非法证号");

   return false;

}

return city[parseint(str.substr(0,2))]+","+sbirthday+","+(str.substr(16,1)%2?"男":"女")

}

本文来源：http://www.gdgbn.com/jiaocheng/25436/