jquery form validation submission
This time I will bring you jquery's form verification submission, what are the precautions for jquery form verification submission, the following is a practical case, let's take a look.
Instructions:
1. The js script file path in the code needs to be replaced with your own directory file
2. Ajax is added to the code to verify whether the account exists
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>表单验证</title>
<style type="text/css">
font {
font-size: 10px;
}
.info {
color: #AAAAAA;
}
.errormsg {
color: #FF3030;
}
.errorinput {
border-color: #FF3030;
border-width: 1px;
}
.ok {
color: #32CD32;
}
</style>
<script type="text/javascript" src="/airticleMgr/js/jquery-1.8.3.min.js"></script>
<script type="text/javascript">
//账号是否验证过
var accountIsChecked = false;
var accountIsOK = false;
var passwdIsOK = false;
var confirmpwdIsOK = false;
var phoneIsOK = false;
$(function() {
// 验证账号
$("#account").focus(function() {
focus_checkaccount();
}).keyup(
function() {
$("#accountmsg").text("支持中文、字母、数字组合").removeClass()
.addClass("info");
accountIsChecked = false;
}).blur(function() {
blur_checkaccount();
})
// 验证密码
$("#pwd").focus(function() {
$("#pwdmsg").text("建议使用数字和字母的组合").removeClass().addClass("info");
}).blur(function() {
blur_checkpwd();
blur_confirmpwd();
});
// 验证二次密码
$("#confirmpwd").focus(function() {
$("#confirmmsg").text("请再次确认密码").removeClass().addClass("info");
}).blur(function() {
blur_confirmpwd();
});
// 验证手机号码
$("#phone").focus(function() {
$("#phonemsg").text("建议输入常用手机").removeClass().addClass("info");
}).blur(function() {
blur_checkphone();
})
});
function focus_checkaccount() {
if (!accountIsChecked) {
$("#accountmsg").text("支持中文、字母、数字组合").removeClass()
.addClass("info");
}
}
function blur_checkaccount() {
var account = $("#account").val();
if (account != "") {
// 判断account是否验证过
if (!accountIsChecked) {
// 未验证过，则进行验证
ajax_checkaccount(account);
}
} else {
$("#accountmsg").text("");
accountIsOK = false;
}
}
// ajax请求验证account
function ajax_checkaccount(account) {
$.get("/airticleMgr/member", {
m : "checkAccount",
account : account
}, function(data) {
if ("true" == data) {
$("#accountmsg").text("该账号已被注册").removeClass().addClass(
"errormsg");
accountIsOK = false;
} else {
$("#accountmsg").text("√").removeClass().addClass("ok");
accountIsOK = true;
}
});
accountIsChecked = true;
}
function blur_checkpwd() {
var lpwd = $("#pwd").val().length;
if (lpwd > 0) {
if (lpwd < 6) {
$("#pwdmsg").text("长度在6-20位之间").removeClass().addClass(
"errormsg");
passwdIsOK = false;
} else {
$("#pwdmsg").text("√").removeClass().addClass("ok");
passwdIsOK = true;
}
} else {
$("#pwdmsg").text("");
passwdIsOK = false;
}
}
function blur_confirmpwd() {
var pwd = $("#pwd").val();
var confirmpwd = $("#confirmpwd").val();
if (confirmpwd != "") {
if (confirmpwd == pwd) {
$("#confirmmsg").text("√").removeClass().addClass("ok");
confirmpwdIsOK = true;
} else {
$("#confirmmsg").text("两次密码输入不一致").removeClass().addClass(
"errormsg");
confirmpwdIsOK = false;
}
} else {
$("#confirmmsg").text("");
confirmpwdIsOK = false;
}
}
function blur_checkphone() {
var phone = $("#phone").val();
var regix = /^1[34578][0-9]{9}$/;
if (phone != "") {
if (!regix.test(phone)) {
$("#phonemsg").text("手机格式有误").removeClass()
.addClass("errormsg");
phoneIsOK = false;
} else {
$("#phonemsg").text("√").removeClass().addClass("ok");
phoneIsOK = true;
}
} else {
$("#phonemsg").text("");
phoneIsOK = false;
}
}
// 表单验证
function check_form() {
if (!accountIsOK) {
if ($("#account").val() == "") {
$("#accountmsg").text("请输入账号").removeClass().addClass(
"errormsg");
} else {
}
return false;
}
if (!passwdIsOK) {
if ($("#pwd").val() == "") {
$("#pwdmsg").text("请输入密码").removeClass().addClass("errormsg");
} else {
}
return false;
}
if (!confirmpwdIsOK) {
if ($("#confirmpwd").val() == "") {
$("#confirmmsg").text("请再次输入密码").removeClass().addClass(
"errormsg");
} else {
}
return false;
}
if (!phoneIsOK) {
if ($("#phone").val() == "") {
$("#phonemsg").text("请输入手机").removeClass().addClass("errormsg");
} else {
}
return false;
}
if (accountIsOK && passwdIsOK && confirmpwdIsOK && phoneIsOK) {
alert("欢迎注册");
return true;
} else {
alert("请检查信息");
return false;
}
}
</script>
</head>
<body>
<h2>会员注册</h2>
<form action="/airticleMgr/member?m=regist" method="post"
onsubmit="return check_form()">
<table>
<tr height="30px">
<td>帐 号：</td>
<td><input type="text" id="account" name="account"
placeholder="您的登录账号"></td>
<td><font id="accountmsg"></font></td>
</tr>
<tr height="30px">
<td>设置密码：</td>
<td><input type="password" id="pwd" name="pwd"
placeholder="设置您的密码" maxlength="20"></td>
<td><font id="pwdmsg"></font></td>
</tr>
<tr height="30px">
<td>确认密码：</td>
<td><input type="password" id="confirmpwd" name="confirmpwd"
placeholder="确认您的密码" maxlength="20"></td>
<td><font id="confirmmsg"></font></td>
</tr>
<tr height="30px">
<td>手 机：</td>
<td><input type="text" id="phone" name="phone"
placeholder="您的手机号码"></td>
<td><font id="phonemsg"></font></td>
</tr>
<tr height="7px"></tr>
<tr>
<td colspan="2" align="center"><input type="submit"
value="立即注册"
style="height: 30px; width: 100%; background-color: #FF3030; color: white; border: 0">
</td>
<td></td>
</tr>
</table>
</form>
</body>
</html>I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the PHP Chinese website!
Recommended reading:
The position of tr in the JQuery operation table
How to implement Jquery ajax asynchronous cross-domain
How does jquery plug-in print page content
The above is the detailed content of jquery form validation submission. For more information, please follow other related articles on the PHP Chinese website!
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