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How to implement backend login interface in thinkphp5
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- 2020-05-15 09:15:498500browse
1. Unzip the "tp5" compressed package to "thinkphp_5.0.24_with_extend\"(E);
2. Put the unzipped "tp5 folder"— >Rename "demo (you can give other names)"->Copy the demo folder to the WWW directory;
3. Enter "http://127.0.0.1/demo/public" in the browser "—> Check whether tp5 can be used;
4. Create or import a database (I imported it);
5. In the application folder—> Create the admin folder —>In the admin folder—>Create controller,
model, and view folders respectively—>In the controller folder—>Create Login.php;
D: \phpStudy\WWW\demo\application\admin\controller\Login.php
Content
<?php
namespace app\admin\controller;
use think\Controller;
use app\admin\model\Login as Log;
class Login extends Controller
{
public function index()
{
// $linkres= \think\Db::name('link')->paginate(3);
// $this->assign('linkres',$linkres);
if(request()->isPost()){
$login=new Log;
$status=$login->login(input('username'),input('password'));
if($status==1){
return $this->success('登录成功，正在跳转！','Index/index');
}elseif($status==2){
return $this->error('账号或者密码错误!');
}else{
return $this->error('用户不存在!');
}
}
return $this->fetch('login');
}
public function logout(){
session(null);
return $this->success('退出成功！',url('index'));
}
}6. In the model folder—>Create the Login.php file
D:\phpStudy\WWW\demo\application\admin\model\Login.php
Content:
<?php
namespace app\admin\model;
use think\Model;
class Login extends Model
{
public function login($username,$password){
$admin= \think\Db::name('admin')->where('username','=',$username)->find();
if($admin){
if($admin['password']==md5($password)){
\think\Session::set('id',$admin['id']);
\think\Session::set('username',$admin['username']);
return 1;
}else{
return 2;
}
}else{
return 3;
}
}
}7. In the view folder—>Create the Login folder—> ;In the Login folder—>Create the login.html file
D:\phpStudy\WWW\demo\application\admin\view\Login\login.html
Content:
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>后台登录</title>
<link href="__PUBLIC__/static/admin/css/admin_login.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div class="admin_login_wrap">
<h1>后台管理</h1>
<div class="adming_login_border">
<div class="admin_input">
<form action="" method="post">
<ul class="admin_items">
<li>
<label for="user">用户名：</label>
<input type="text" name="username" value="admin" id="user" size="35" class="admin_input_style" />
</li>
<li>
<label for="pwd">密码：</label>
<input type="password" name="password" value="admin" id="pwd" size="35" class="admin_input_style" />
</li>
<li>
<input type="submit" tabindex="3" value="提交" class="btn btn-primary" />
</li>
</ul>
</form>
</div>
</div>
</div>
</body>
</html>8.D:\phpStudy\WWW\demo\application\config.php
// 应用调试模式 'app_debug' => false,
Modify it to:
'app_debug' => true,
and you will see the bug!
The template file does not exist: D:\phpStudy\WWW\demo\public/../application/admin\view\login\login.html
The login file name under view is wrong! ! ! *Use uppercase Login in Login.php under controller and model, and lowercase Login in login.html under view!
SQLSTATE[HY000] [1045] Access denied for user 'root'@'localhost' (using password: NO) The bug appears because there is no connection to the database
D:\phpStudy\WWW\ demo\application\database.php
Fill in the content
return [
// 数据库类型
'type' => 'mysql',
// 服务器地址
'hostname' => '127.0.0.1',
// 数据库名
'database' => 'youme', //你创建或导入的数据库名
// 用户名
'username' => 'root',
// 密码
'password' => '****',
// 端口
'hostport' => '',
// 连接dsn
'dsn' => '',
// 数据库连接参数
'params' => [],
// 数据库编码默认采用utf8
'charset' => 'utf8',
// 数据库表前缀
'prefix' => 'ym_', // 你创建或导入数据库表名的前缀
*****************************************************************************************
SQLSTATE[42S02]: Base table or view not found: 1146 Table 'youhe.admin' doesn't exist（Bug）D:\phpStudy\WWW\demo\application\admin\model\Login.php
<?php
namespace app\admin\model;
use think\Model;
class Login extends Model
{
public function login($username,$password){
// $admin= \think\Db::name('admin')->where('username','=',$username)->find();
$user= \think\Db::name('user')->where('username','=',$username)->find();
// if($admin){
if($user){
// if($admin['password']==md5($password)){
if($user['password']==$password){
// \think\Session::set('id',$admin['id']);
\think\Session::set('id',$user['id']);
// \think\Session::set('username',$admin['username']);
\think\Session::set('username',$user['username']);
return 1;
}else{
return 2;
}
}else{
return 3;
}
}
}Recommended tutorial: 《
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