具体代码：
<html> <head> <meta charset="gb2312"> <title>jb51</title> <script type="text/javascript"> function discriCard(UUserCard) { UUserCard.substring(6,10)+"-"+UUserCard.substring(10,12)+"-"+UUserCard.substring(12,14); //获取性别 if(parseInt(UUserCard.substr(16,1))%2==1) { alert("男"); //是男则执行代码 ... } else { alert("女"); //是女则执行代码 ... } //获取年龄 var myDate = new Date(); var month = myDate.getMonth() + 1; var day = myDate.getDate(); var age = myDate.getFullYear()-UUserCard.substring(6, 10) - 1; if (UUserCard.substring(10,12)<month||UUserCard.substring(10,12)==month&&UUserCard.substring(12,14)<=day) { age++; } alert(age); //年龄 age } window.onload=function() { var txt=document.getElementById("txt"); var bt=document.getElementById("bt"); bt.onclick=function(){discriCard(txt.value);} } </script> </head> <body> <input type="text" /> <input type="button" value="点击获取信息" /> </body> </html>