jquery表单验证（非实时验证），同时，将表单序列化为json对象提交表单。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<link rel="stylesheet" href="../bootstrap-3.3.5/dist/css/bootstrap.min.css"/>
<style>
#form-validation {
margin-top: 20px;
} #form-validation .has-error {
color: red;
display: none;
}
</style>
</head>
<body>
<div id="form-validation">
<div class="container">
<div class="row">
<div class="col-md-6">
<form class="form-horizontal" action="" id="myForm" role="form">
<div class="form-group">
<label for="" class="col-md-4 control-label">用户名</label>
<div class="col-md-8">
<input type="text" class="form-control" name="userName" id="userName" placeholder="user name"/>
<p class="has-error userNameError">username can not be null!</p>
<p class="has-error userNameError2">username can only be english, number and '_'</p>
</div>
</div>
<div class="form-group">
<label for="" class="col-md-4 control-label">密码</label>
<div class="col-md-8">
<input type="password" class="form-control" name="pass" id="pass" placeholder="password"/>
<p class="has-error passwordError">password can not be null!</p>
</div>
</div>
<div class="form-group">
<label for="" class="col-md-4 control-label">重复密码</label>
<div class="col-md-8">
<input type="password" class="form-control" name="rePass" id="rePass" placeholder="password again"/>
<p class="has-error rePassError1">password can not be null!</p>
<p class="has-error rePassError2">repassword is not same as password!</p>
</div>
</div>
<div class="form-group">
<label for="" class="col-md-4 control-label">电话号码</label>
<div class="col-md-8">
<input type="text" class="form-control" name="phoneNum" id="phoneNum" placeholder="phone number"/>
<p class="has-error phoneNumError1">phone number can not be null!</p>
<p class="has-error phoneNumError2">phone number can only be digital!</p>
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label">性别</label>
<div class="col-md-8">
<label for="" class="radio-inline"><input type="radio" name="sex" value="male"/>男</label>
<label for="" class="radio-inline"><input type="radio" name="sex" value="female"/>女</label>
<p class="has-error sexError">please select a sex!</p>
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label">爱好</label>
<div class="col-md-8" id="hobby">
<label for="" class="checkbox-inline"><input type="checkbox" name="hobby" value="eat"/>吃</label>
<label for="" class="checkbox-inline"><input type="checkbox" name="hobby" value="drink"/>喝</label>
<label for="" class="checkbox-inline"><input type="checkbox" name="hobby" value="la"/>拉</label>
<label for="" class="checkbox-inline"><input type="checkbox" name="hobby" value="sa"/>撒</label>
<p class="has-error hobbyError">please at least select a hobby!</p>
</div>
</div>
<div class="form-group">
<label for="" class="col-md-4 control-label">居住城市</label>
<div class="col-md-8">
<select name="myCity" id="myCity" class="form-control">
<option value="">请选择一个城市</option>
<option value="chengdu">成都</option>
<option value="shanghai">上海</option>
<option value="beijing">北京</option><!--select的option要给出value值-->
</select>
<p class="has-error cityError">please select a city!</p>
</div>
</div>
<div class="form-group">
<div class="col-md-8 col-md-offset-4">
<input class="btn btn-primary" type="submit" value="submit"/>
</div>
</div>
</form>
</div>
</div>
</div>
</div>
<script src="../js/jquery-1.11.2.js"></script>
<script src="formSerializeJson.js"></script>
<script type="text/javascript">
// formSerializeJson.js
(function($){
$.fn.serializeJson = function(){
var serializeObj = {};
var array = this.serializeArray();
$(array).each(function(){
if(serializeObj[this.name]){
if($.isArray(serializeObj[this.name])){
serializeObj[this.name].push(this.value);
}else{
serializeObj[this.name] = [serializeObj[this.name], this.value];
}
}else{
serializeObj[this.name] = this.value;
}
});
return serializeObj;
};
})(jQuery); $(function(){
// 判断一个字符串是不是纯数字
function judgeIsNum(str){
var pattern = /^\d+$/g; // or : /^[0-9]*$/g
//正则表达式 ^ 代表从开始位置起 $ 末尾 + 是连续多个 \d 是数字的意思 * 表示所有
var result = str.match(pattern);
if(result == null){
return false;
}else{
return true;
}
}
$("input[type=submit]").click(function(e){
$('#myForm .has-error').hide();
var submitFlag = true;
if($('#userName').val() == ""){
$('.userNameError').show();
submitFlag = false;
}else{
if($('#userName').val().match(/^\w+$/g) == null){
$('.userNameError2').show();
submitFlag = false;
}
}
if($('#pass').val() == ""){
$('.passwordError').show();
submitFlag = false;
}
if($('#rePass').val() == ""){
$('.rePassError1').show();
submitFlag = false;
}else{
if($('#pass').val() != $('#rePass').val()){
$('.rePassError2').show();
submitFlag = false;
}
}
if($('#phoneNum').val() == ""){
$('.phoneNumError1').show();
submitFlag = false;
}else{
if(!judgeIsNum($('#phoneNum').val())){
$('.phoneNumError2').show();
submitFlag = false;
}
}
console.log($('#myForm input:radio[name="sex"]:checked').val()); //不选的时候是 undefined， undefined == null
if($('#myForm input:radio[name="sex"]:checked').val() == null){
$('.sexError').show();
submitFlag = false;
} if($('#myForm input:checkbox:checked').length == 0){
$('.hobbyError').show();
submitFlag = false;
}
console.log($('#myCity').val()); if($('#myCity').val() == ""){ //跟sex不一样，sex是undefined == null, 这里是“”
$('.cityError').show();
submitFlag = false;
}
e.preventDefault();
if(submitFlag){
var data = $('#myForm').serializeJson();
console.log(data);
$.ajax({
url: "",
type: "post",
data: data,
success: function(data){
console.log("提交成功"+data);
},
error: function(){
console.log("error");
}
}); }else{
alert('数据有错请更正！');
} }); });
</script>
</body>
</html>