我正在使用PHP和jQuery Ajax,当jQuery传递一些$_POST数据到PHP后,PHP会验证这些数据,并将所有错误准备好一个数组,在完成所有验证后,找到错误的数量,如果大于0,则将数组编码为json并在屏幕上打印出来。然后,jQuery使用'success:'抓取这些数据,但它没有像预期的那样工作。
PHP文件验证:
所有功能都正常,但我的输出以“字符”格式显示,每次只显示一个字符。 点击此处查看屏幕截图。
PHP文件验证:
<?php
$messages = array();
if(isset($_POST['name']) && isset($_POST['email']) && isset($_POST['subject']) && isset($_POST['message'])) {
if(empty($_POST['name'])) {
$messages[] = "Please fill in the Name field.";
}
if(empty($_POST['email'])) {
$messages[] = "Please fill in the Email field.";
}
if(empty($_POST['subject'])) {
$messages[] = "Please fill in the Subject field.";
}
if(empty($POST['message'])) {
$messages[] = "Please write your message in the Message field!";
}
if(!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)) {
$messages[] = "Invalid email entered!";
}
if(strlen($_POST['name']) > 30 || strlen($_POST['name']) < 3) {
$messages[] = "Your name cannot be less than 3 characters or more than 30 characters.";
}
if(strlen($_POST['email']) > 30 || strlen($_POST['email']) < 3) {
$messages[] = "Your email cannot be less than 3 characters or more than 30 characters.";
}
if(strlen($_POST['subject']) > 30 || strlen($_POST['subject']) < 3) {
$messages[] = "The subject cannot be less than 3 characters or more than 30 characters.";
}
if(strlen($_POST['message']) > 2000 || strlen($_POST['message']) < 40) {
$messages[] = "Your message cannot be less than 40 characters or more than 2000 characters.";
}
if(count($messages) > 0) {
$messages['elements'] = count($messages);
echo json_encode($messages);
} else {
}
}
jQuery代码:
$(document).ready( function() {
$(document).on('click', '.contact_submit', function() {
var name = $('input#name').val();
var email = $('input#email').val();
var subject = $('input#subject').val();
var message = $('input#message').val();
var Data = "name=" + name + "&email=" + email + "&subject=" + subject + "&message=" + message;
$.ajax({
type: "POST",
url: "portal/_inc/frontend/form.php",
data: Data,
success: function(messages) {
var Count = messages.length;
$('.messages').empty();
for(var i = 0; i < Count; i++) {
$('.messages').append('<li class"error">' + messages[i] + '</li>\n');
}
}
});
return false;
});
});
所有功能都正常,但我的输出以“字符”格式显示,每次只显示一个字符。 点击此处查看屏幕截图。
messages = $.parseJSON(messages);
- bansi