如果把身份证号码传到页面上，在前端页面获取年龄就需要用到JS脚本了：

示例：

let age = GetAge('110101199003070337')

function GetAge(identityCard) {var len = (identityCard + "").length;if (len == 0) {return 0;} else {if ((len != 15) && (len != 18))//身份证号码只能为15位或18位其它不合法{return 0;}}var strBirthday = "";if (len == 18)//处理18位的身份证号码从号码中得到生日和性别代码{strBirthday = identityCard.substr(6, 4) + "/" + identityCard.substr(10, 2) + "/" + identityCard.substr(12, 2);}if (len == 15) {strBirthday = "19" + identityCard.substr(6, 2) + "/" + identityCard.substr(8, 2) + "/" + identityCard.substr(10, 2);}//时间字符串里，必须是“/”var birthDate = new Date(strBirthday);var nowDateTime = new Date();var age = nowDateTime.getFullYear() - birthDate.getFullYear();//再考虑月、天的因素;.getMonth()获取的是从0开始的，这里进行比较，不需要加1if (nowDateTime.getMonth() < birthDate.getMonth() || (nowDateTime.getMonth() == birthDate.getMonth() && nowDateTime.getDate() < birthDate.getDate())) {age--;}return age;
}