Backend Development
PHP Tutorial
Examples explaining Ajax mailbox and username uniqueness verification methods
Examples explaining Ajax mailbox and username uniqueness verification methods
How much do you know about Ajax email and username verification? This article mainly introduces the example code of Ajax mailbox and user name uniqueness verification. Friends who need it can refer to it. I hope it can help everyone.
Without further ado, I will post the code directly for you. The specific code is as follows:
##
<script type="text/javascript">
$(function () {
$("#txtEmail").blur(function () {
$.ajax({
type: "post",
url: "reg.ashx?email=" + $.trim($("#txtEmail").val()) + "&d=" + (+new Date()),
success: function (data) {
var vCount = parseInt(data);
if (vCount == 0) {
alert("邮箱可以使用");
}
else {
alert("邮箱已经被占用");
}
}
});
});
$("#checkpwd").blur(function () {
return CheckPwd();
});
});
function CheckPwd()
{
var bCheck = true;
if ($.trim($("#pwd").val()) != $.trim($("#checkpwd").val()))
{
alert("两次密码输入不一致");
bCheck = false;
}
return bCheck;
}
</script>using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace WebT1.Ti.html2
{
/// <summary>
/// reg 的摘要说明
/// </summary>
public class reg : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
if (context.Request["email"] != null)
{
string strEmail = context.Request["email"];
List<UserModel> lstUser = DataService.GetUserList();
var v = lstUser.Where(p => p.Email == strEmail);
int iCount = 0;
if (v.Count() > 0)
{
iCount = 1;
}
context.Response.ContentType = "text/plain";
context.Response.Write(iCount.ToString());
}
}
public bool IsReusable
{
get
{
return false;
}
}
}
public class DataService
{
/// <summary>
/// 模拟已注册用户数据
/// </summary>
public static List<UserModel> GetUserList()
{
var list = new List<UserModel>();
list.Add(new UserModel() { Email = "t1@demo.com" });
list.Add(new UserModel() { Email = "t2@demo.com" });
list.Add(new UserModel() { Email = "t3@demo.com" });
list.Add(new UserModel() { Email = "t4@demo.com" });
list.Add(new UserModel() { Email = "t5@demo.com" });
return list;
}
}
public class UserModel
{
public string Email { get; set; }
}
}php regular expression verification email address case
php+jquery ajax email address non-refresh verification example_PHP tutorial
AJAX user name verification_PHP tutorial
The above is the detailed content of Examples explaining Ajax mailbox and username uniqueness verification methods. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
What are the Redis memory data types?
Apr 10, 2025 pm 02:06 PM
Redis provides five core memory data types: String: basic string storage, supporting incremental/decreasing operations. List: Bidirectional linked list, efficient insertion/deletion operation. Set: Unordered set, used for deduplication operations. Hash: Key-value pair storage, suitable for storing structured data. Zset: Ordered set, each element has fractions, and can be sorted by fractions. Choosing the right data type is critical to optimizing performance.
Is the syntax of adding columns in different database systems the same?
Apr 09, 2025 pm 12:51 PM
The syntax for adding columns in different database systems varies greatly, and varies from database to database. For example: MySQL: ALTER TABLE users ADD COLUMN email VARCHAR(255); PostgreSQL: ALTER TABLE users ADD COLUMN email VARCHAR(255) NOT NULL UNIQUE;Oracle: ALTER TABLE users ADD email VARCHAR2(255);SQL Server: ALTER TABLE users ADD email VARCH
How to simplify email marketing with Composer: DUWA.io's application practices
Apr 18, 2025 am 11:27 AM
I'm having a tricky problem when doing a mail marketing campaign: how to efficiently create and send mail in HTML format. The traditional approach is to write code manually and send emails using an SMTP server, but this is not only time consuming, but also error-prone. After trying multiple solutions, I discovered DUWA.io, a simple and easy-to-use RESTAPI that helps me create and send HTML mail quickly. To further simplify the development process, I decided to use Composer to install and manage DUWA.io's PHP library - captaindoe/duwa.
How to monitor debian mail server
Apr 12, 2025 pm 10:06 PM
To ensure that your Debian mail server runs stably, an effective monitoring mechanism is required. This article introduces several monitoring methods, including log checking, monitoring tools and alarm system settings. 1. Log monitoring The log files of the Debian mail server are usually located in the /var/log/ directory, such as /var/log/mail.log. Regularly checking these logs can help you identify potential problems in a timely manner. 2. Monitoring tools and script examples The following provides several Bash script examples for monitoring CPU, memory and disk space usage and sending email alarms: 1. CPU usage monitoring: #!/bin/bashTHRESHOLD=80EMAILS="your_emai
Nginx virtual host configuration skills, efficiently manage multiple websites
Apr 13, 2025 pm 10:03 PM
Nginx virtual host configuration: Playing around your server garden Have you ever thought about how one server elegantly serves multiple websites at the same time? The answer is the Nginx virtual host configuration. This article will take you into Nginx virtual host configuration tips, allowing you to efficiently manage your "server garden" and avoid some common pitfalls. After reading, you will be able to easily configure the virtual host, understand the mechanism behind it, and write efficient and stable Nginx configuration files. Basic preparation: Don't forget that before starting your toolbox, you need to make sure that Nginx is installed and have some understanding of the basic Linux commands and configuration file structure. We won't explain how to install Nginx here, assuming you've completed this step. remember
Top 10 Digital Virtual Currency Apps Rankings: Top 10 Digital Currency Exchanges in Currency Circle Trading
Apr 22, 2025 pm 03:00 PM
The top ten digital virtual currency apps are: 1. OKX, 2. Binance, 3. gate.io, 4. Coinbase, 5. Kraken, 6. Huobi, 7. KuCoin, 8. Bitfinex, 9. Bitstamp, 10. Poloniex. These exchanges are selected based on factors such as transaction volume, user experience and security, and all provide a variety of digital currency trading services and an efficient trading experience.
bitget new user registration guide 2025
Apr 21, 2025 pm 10:09 PM
The steps to register for Bitget in 2025 include: 1. Prepare a valid email or mobile phone number and a stable network; 2. Visit the Bitget official website; 3. Enter the registration page; 4. Select the registration method; 5. Fill in the registration information; 6. Agree to the user agreement; 7. Complete verification; 8. Obtain and fill in the verification code; 9. Complete registration. After registering, it is recommended to log in to the account, perform KYC identity verification, and set up security measures to ensure the security of the account.
How to solve PHP email management problem? It can be done easily using the php-imap/php-imap library!
Apr 17, 2025 pm 09:33 PM
I encountered a tough problem when developing a project that needs to process mail: how to efficiently manage mailboxes, get and delete mail. After trying multiple methods, I found that the php-imap/php-imap library not only solves my problem, but also greatly improves the efficiency and stability of the program.
