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
1664
14
1422
52
1316
25
1267
29
1240
24
How to register an account on Ouyi Exchange Ouyi Exchange Registration Tutorial
Apr 24, 2025 pm 02:06 PM
The steps to register an Ouyi account are as follows: 1. Prepare a valid email or mobile phone number and stabilize the network. 2. Visit Ouyi’s official website. 3. Enter the registration page. 4. Select email or mobile phone number to register and fill in the information. 5. Obtain and fill in the verification code. 6. Agree to the user agreement. 7. Complete registration and log in, carry out KYC and set up security measures.
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.
Binance download link Binance download path
Apr 24, 2025 pm 02:12 PM
To safely download the Binance APP, you need to go through the official channels: 1. Visit the Binance official website, 2. Find and click the APP download portal, 3. Choose to scan the QR code, app store, or directly download the APK file to download to ensure that the link and developer information are authentic, and enable two-factor verification to protect the security of the account.
Top 10 digital currency exchanges Top 10 digital currency app exchanges
Apr 22, 2025 pm 03:15 PM
The top ten digital currency exchanges 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.
Download the official website of Ouyi Exchange app for Apple mobile phone
Apr 28, 2025 pm 06:57 PM
The Ouyi Exchange app supports downloading of Apple mobile phones, visit the official website, click the "Apple Mobile" option, obtain and install it in the App Store, register or log in to conduct cryptocurrency trading.
How to register an account on Sesame Open Exchange? Tutorial on Registration of Sesame Open Exchange
Apr 24, 2025 pm 02:00 PM
Registering a Sesame Door Account requires 7 steps: 1. Prepare a valid email or mobile phone number and a stable network; 2. Visit the official website; 3. Enter the registration page; 4. Select and fill in the registration method; 5. Obtain and fill in the verification code; 6. Agree to the user agreement; 7. Complete registration and log in, it is recommended to carry out KYC and set security measures.
Sesame Open Door Official Website Entrance Sesame Open Door Official Latest Entrance 2025
Apr 28, 2025 pm 07:51 PM
Sesame Open Door is a platform that focuses on cryptocurrency trading. Users can obtain portals through official websites or social media to ensure that the authenticity of SSL certificates and website content is verified during access.
Binance official website entrance Binance official latest entrance 2025
Apr 28, 2025 pm 07:54 PM
Visit Binance official website and check HTTPS and green lock logos to avoid phishing websites, and official applications can also be accessed safely.
