首页 / 教程资源

PHP实现注册登录的详细代码已公布,拿走不谢!

发布时间:2023-04-28 17:50:28
点击上方“PHP大神”选择“ 置顶/星标公众号 ”

重磅干货,第一时间送达

来源:网络



一、先看演示~

示例图:

Ps.本人有点懒哈~ 就输出个成功算了吧~

二、代码

代码里面注释写很详细了哦~ 废话不多说 直接上代码~

index.php

<!DOCTYPE html><html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>Zhe - 注册登录</title><link rel="stylesheet" type="text/css" href="https://www.layuicdn.com/layui/css/layui.css" /><script src="https://www.layuicdn.com/layui/layui.js" charset="utf-8"></script></head><body><fieldset class="layui-elem-field layui-field-title" style="margin-top: 20px;">  <legend>Zhe - 登录注册演示</legend></fieldset>   <div style="padding: 20px; background-color: #F2F2F2;">  <div class="layui-row layui-col-space15">    <div class="layui-col-md6">      <div class="layui-card">        <div class="layui-card-header">注册</div>        <div class="layui-card-body">      <form class="layui-form" action="register.php" method="post" onsubmit="return checkForm(this)" lay-filter="example">        <div class="layui-form-item">          <label class="layui-form-label">输入框</label>          <div class="layui-input-block">            <input type="text" name="username" placeholder="请输入账号" class="layui-input">          </div>        </div>        <div class="layui-form-item">          <label class="layui-form-label">密码框</label>          <div class="layui-input-block">            <input type="password" name="password" placeholder="请输入密码" class="layui-input">          </div>        </div>               <div class="layui-form-item">          <div class="layui-input-block">            <input type="submit" class="layui-btn layui-btn-normal" value="立即注册"/>          </div>        </div>      </form>        </div>      </div>    </div>    <div class="layui-col-md6">      <div class="layui-card">        <div class="layui-card-header">登录</div>        <div class="layui-card-body">      <form class="layui-form" action="login.php" method="post" onsubmit="return checkForm(this)" lay-filter="example">        <div class="layui-form-item">          <label class="layui-form-label">输入框</label>          <div class="layui-input-block">            <input type="text" name="username" placeholder="请输入账号" class="layui-input">          </div>        </div>        <div class="layui-form-item">          <label class="layui-form-label">密码框</label>          <div class="layui-input-block">            <input type="password" name="password" placeholder="请输入密码" class="layui-input">          </div>        </div>               <div class="layui-form-item">          <div class="layui-input-block">          <input type="submit" class="layui-btn layui-btn-normal" value="立即登录"/>          </div>        </div>      </form>        </div>      </div>    </div>  </div></div><script type="text/javascript">  // 验证输入不为空的脚本代码  function checkForm(form) {  if(form.username.value == "") {  alert("用户名不能为空!");  form.username.focus();  return false;  }  if(form.password.value == "") {  alert("密码不能为空!");  form.password.focus();  return false;  }  return true;  }</script></body></html>
login.php
<?php    session_start();  header("content-type:text/html;charset=utf-8");  //连接数据库  $link = mysqli_connect("localhost","QQ1617184046","QQ1617184046","QQ1617184046");  if (!$link) {    die("连接失败: " . mysqli_connect_error());  }  //接收$_POST用户名和密码  $username = $_POST['username'];  $password = $_POST['password'];  //查看表user用户名与密码和传输值是否相等  $sql = "SELECT * FROM user WHERE username = '$username' AND password = '$password'";  //result必需规定由 mysqli_query()、mysqli_store_result() 或 mysqli_use_result() 返回的结果集标识符。  $result = mysqli_query($link,$sql);  $num = mysqli_num_rows($result);//函数返回结果集中行的数量  //判断是否登录后显示或跳转  if($num){    echo '登录成功';  }else{    echo'登录失败';  }  mysqli_close($link);//关闭数据库 ?>
register.php
<?php  header("content-type:text/html;charset=utf-8");  //连接数据库  $link = mysqli_connect("localhost","QQ1617184046","QQ1617184046","QQ1617184046");  if (!$link) {    die("连接失败: " . mysqli_connect_error());  }  //接收$_POST用户名和密码  $username=$_POST['username'];  $password=$_POST['password'];  //查看表user用户名是否存在或为空  $sql_select = "SELECT * FROM user WHERE username = '$username'";  //result必需规定由 mysqli_query()、mysqli_store_result() 或 mysqli_use_result() 返回的结果集标识符。  $select = mysqli_query($link,$sql_select);  $num = mysqli_num_rows($select);//函数返回结果集中行的数量  if($username == "" || $password == "")  {    echo "请确认信息完整性";  }else if($num){    echo "已存在用户名";//已存在账户名输出错误  }else{      $sql="insert into user(username,password) values('$username','$password')";      $result=mysqli_query($link,$sql);      //判断是否注册后显示内容      if(!$result)      {        echo "注册不成功!"."<br>";//输出错误        echo "<a href='index.php'>返回</a>";//超链接到首页      }      else      {        echo "注册成功!"."<br/>";//输出成功        echo "<a href='index.hphp'>立刻登录</a>";//超链接到首页      }    }  ?>

最后附上本文用到的mysql表



以上就是一个简单的PHP注册登录页面了~ 如有错误请多包涵!

拿起你发财的小手右下角点赞一下可好,感谢!!!

相关推荐