我使用jQuery验证插件来验证表单字段。现在，我只想在字段有效时发送ajax请求，这意味着在jQuery验证插件成功之后。
JavaScript：
$(function(){
$("#form").validate({
errorPlacement: function(label, element) {
label.addClass('arrow');
label.insertAfter(element);
},
wrapper: 'span',
rules: {
email: {
required: true,
email: true
},
name: {
required: true,
minlength: 5
},
password: {
required: true,
minlength: 6
},
rePassword:{
required: true,
minlength: 6,
equalTo: "#password"
},
birthDate:{
required: true
},
aboutYou:{
required: true
}
},
messages:{
email: {
required: "this field is required!",
email: "please enter a valid email!"
},
name:{
required: "this field is required!",
minlength: "name needs to have at least 5 chars!"
},
password:{
required: "password is required!",
minlength: "password needs to have at least 6 chars!"
},
rePassword:{
required: "rePassword is required!",
minlength: "rePassword needs to have at least 6 chars!",
equalTo: "passwords don't match!"
}
}
});
});<!DOCTYPE html>
<html>
<head>
<title>Register</title>
<meta charset="utf-8">
<script src="includes/jquery-1.11.3.js"></script>
<link rel="stylesheet" type="text/css" href="css/css.css">
<script src="js/jquery.validate.js"></script>
<script src="js/jquery.validate.min.js"></script>
<script src="js/registerForm.js"></script>
<?php
require_once'includes/DAL.php';
?>
<script>
$(function(){
$( "#form" ).submit(function(){
// run this code only if validation plugin succeed?
$.ajax({
method: "post",
url: "API.php",
data:{email: $("#email").val(), name: $("#name").val(), password: $("#password").val(), rePassword: $("#rePassword").val(), birthDate: $("#birthDate").val(), aboutYou: $("#aboutYou").val()},
success: function(result){$("#div1").html(result);
}});
});
});
</script>
</head>
<body>
<form method="post" id="form">
<label>Email</label><br/>
<input type="text" name="email" id="email" placeholder="Enter your email"/><br/>
<label>Name</label><br/>
<input type="text" name="name" id="name" placeholder="Enter your name"/><br/>
<label>Password</label><br/>
<input type="password" name="password" id="password" placeholder="Enter your password"/><br/>
<label>re-Password</label><br/>
<input type="password" name="rePassword" id="rePassword" placeholder="Repeat password"/><br/>
<label>Birth Date</label><br/>
<input type="date" name="birthDate" id="birthDate"/><br/>
<label>About yourself</label><br/>
<textarea name="aboutYou" id="aboutYou" placeholder="About yourself..."></textarea>
<input type="submit" id="submit" value="Register!"/>
<div id="div1"></div>
</form>
</body>
</html>我猜您正在使用以下插件：http : //jqueryvalidation.org/documentation/
而您正在寻找的可能是这样的：
submitHandler (default: native form submit)
Type: Function()
Callback for handling the actual submit when the form is valid. Gets the form as the only argument. Replaces the default submit. The right place to submit a form via Ajax after it is validated.
所以你可以做这样的事情
$(".selector").validate({
submitHandler: function(form) {
$(form).ajaxSubmit();
}
});
API文档：http：//jqueryvalidation.org/validate
======================
如果不是您使用的插件，请查找以下内容：
“用于在表单有效时处理实际提交的回调。” 在插件API文档中。绝对将其实现为回调或Promise对象。
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我来说两句