ThinkPHP user login registration related code cases

1. Modify the module configuration, Application/current module name/Conf/config.php

<?phpreturn array(    
//数据库配置信息
&#39;DB_TYPE&#39;   => &#39;mysql&#39;, 
// 数据库类型
&#39;DB_HOST&#39;   => &#39;localhost&#39;, 
// 服务器地址
&#39;DB_NAME&#39;   => &#39;thinkphp&#39;, 
// 数据库名
&#39;DB_USER&#39;   => &#39;root&#39;, 
// 用户名
&#39;DB_PWD&#39;    => &#39;&#39;, 
// 密码
&#39;DB_PORT&#39;   => &#39;&#39;, 
// 端口
&#39;DB_PREFIX&#39; => &#39;think_&#39;, 
// 数据库表前缀 
&#39;DB_CHARSET&#39;=> &#39;utf8&#39;, 
// 字符集
&#39;DB_DEBUG&#39;  =>  TRUE, 
// 数据库调试模式 开启后可以记录SQL日志 3.2.3新增);

2. Open Home/Controller/IndexController.class.php and modify the index function.

public function index(){    
$this->display();
}

3. Open /Home/View/index/index.html, define the login url, and add Form.

<?php
$actUrl="\"".U(&#39;index/Login&#39;,"")."\""; 
//ThinkPHP内置的U方法，用于URL的动态生成
?>

<form action=<?php echo $actUrl?> method="post">
  <p>UserName: <input type="text" name="username" /></p>
  <p>Password: <input type="text" name="password" /></p>
  <input type="submit" value="Submit" />
</form>

4. Open Home/Controller/IndexController.class.php and add the login function.

public function Login()
{    $inputname=I('post.username'); //获取Form数据
    $inputpwd=I('post.password');  //I方法是ThinkPHP用于更加方便和安全的获取系统输入变量
    
    $User = M('User');   //使用M方法实例化的话，由于不需要加载具体的模型类，所以性能会更高
    $condition['username'] = $inputname;    
    $userinfo=$User->where($condition)->select(); //使用数组作为查询条件
    if(0==count($userinfo[0]))      
    echo "登陆失败，不存在此用户名";    
    else{        
    if($inputpwd!=$userinfo[0]['password'])            
    echo "登陆失败，密码错误！".$userinfo[0]['password'];        
    else
          {        
        echo "用户名：".I('post.username')."密码：".$userinfo[0]['password'];
        }
    }        
}

5. Registering a user means getting the data submitted by the form and adding it to the database table.

public function RegisterInfo()
{    
$username=I('post.username');    
$password=I('post.password');    
$User = M('User');    
$data['username'] = $username;    
$data['password'] = $password;    
$User->add($data);   
//ThinkPHP的数据写入操作使用add方法
    echo "注册成功";        
}

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