function discriCard(){ //获取输入身份证号码 var UUserCard = ""; //获取出生日期 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 }