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Ajax php method to implement registration: 1. Create login.html registration login page; 2. Implement verification code verification through jquery code; 3. Use PHP codes userLogin.php and addUser.php to implement user login and registration Just function.
The operating environment of this article: Windows 7 system, PHP version 7.1, Dell G3 computer.
How to register with ajax php?
jQuery ajax php implements registration and login function
html code, login.html
<form> <label>用户名</label><input id="user-name" type="text" name="" /> <label>密码</label><input id="user-password" type="password" name="" /> <label>验证码</label><input id="code" type="text" name="" /><img src="php/getVerify.php" alt="" /> <p class="clear"></p> <button type="button" id="login">登录</button> <button type="button" id="sign">注册</button> </form>
jquery code, login.js
$('img').click(function(){ $('img').attr('src','php/getVerify.php?'+Math.random());//刷新验证码 }) $('#login').click(function(){ var username=$('#user-name').val(); var password=$("#user-password").val(); var code=$("#code").val(); if(username!=""&&password!=""&&code.length==4){ $.ajax({ type:"POST", url:"php/userLogin.php", dataType:"JSON", data:{ "user_name":username, "password":password, "code":code }, success:function(data){ switch(data){ case 1://普通用户 $.cookie("user",username); $.cookie("limit",0); window.location.href="index.php"; break; case 2://管理员用户 $.cookie("user",username); $.cookie("limit",1); window.location.href="index.php"; break; case 3://密码错误 alert("密码错误!"); break; case 4://用户不存在 alert("该用户不存在!"); break; case 0://验证码错误 alert("验证码不正确!"); break; } } }) }else{ alert("请检查您的输入!"); } }) $('#sign').click(function(){ var username=$('#user-name').val(); var password=$("#user-password").val(); var code=$("#code").val(); if(username!=""&&password!=""&&code.length==4){ $.ajax({ type:"POST", url:"php/addUser.php", dataType:"JSON", data:{ "user_name":username, "password":password, "code":code }, success:function(data){ switch(data){ case 1://用户已存在 alert("该用户已存在!请换一个用户名注册。") break; case 2://注册成功 alert("注册成功!"); $.cookie("user",username); $.cookie("limit",0); window.location.href="index.php"; break; case 0://验证码错误 alert("验证码不正确!"); break; } } }) }else{ alert("请检查您的输入!"); } })
php code, userLogin.php
<?php header("Content-type: text/html; charset=UTF-8"); session_start(); $name = $_POST['user_name']; $password=$_POST['password']; $code=$_POST['code']; $con=mysql_connect('localhost','root',''); if(!$con){ die('error:'.mysql_error()); } mysql_select_db('db_name'); $result=mysql_query("select * from users where user_name='$name'"); if($_SESSION['verify']==$code){ if($row=mysql_fetch_array($result)){ if($row['password']==$password){ if($row['power']==0){ echo 1;//普通用户 }else{ echo 2;//管理员用户 } }else{ echo 3;//密码错误 } }else{ echo 4;//用户不存在 } }else{ echo 0;//验证码错误 }
addUser.php
<?php header("Content-type: text/html; charset=UTF-8"); session_start(); $name = $_POST['user_name']; $password=$_POST['password']; $code=$_POST['code']; $con=mysql_connect('localhost','root',''); if(!$con){ die('error:'.mysql_error()); } mysql_select_db('db_name'); $result=mysql_query("select * from users where user_name='$name'"); if($_SESSION['verify']==$code){ if($row=mysql_fetch_array($result)){ echo 1;//用户已存在 }else{//注册成功 mysql_query("insert into `users` (`user_name`,`password`) values ('$name','$password')"); echo 2; } }else{ echo 0; }
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