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How to install smarty into MVC architecture (code example)

藏色散人forward: 2020-01-27 13:30:412662browse

Smarty是一个使用PHP写出来的模板引擎，是业界最著名的PHP模板引擎之一。它分离了逻辑代码和外在的内容，提供了一种易于管理和使用的方法，用来将原本与HTML代码混杂在一起PHP代码逻辑分离。

如何将smarty安装到MVC架构中？

首先是composer.json

{
  "require": {
    "smarty/smarty": "^3.1"
  },
  // 自动加载
  // 可以在composer.json的autoload字段找那个添加自己的autoloader
  "autoload": {
    "psr-4": {
      "App\\Controllers\\": "Controllers/",
      "App\\Models\\": "Models/",
      "Tools\\": "Tools/"
    }
  }
}

Models/Users.php

<?php
// model层数据库操作演示
namespace App\Models;
class Users
{
    // 数据存入数据库演示
    public function store()
    {
        echo &#39;store into database&#39;;
    }
    // 查询数据库演示
    public function getUsername()
    {
        // 查询数据库
        return &#39;test-data&#39;;
    }
}

Controllers/UserController.php

<?php
namespace App\Controllers;
use App\Models\Users;
use Smarty;
class UserController extends Smarty
{
    public function create()
    {
        echo &#39;User create&#39;;
    }
    public function getUser()
    {
        // 通过Model查询数据
        $userModel = new Users;
        $username = $userModel->getUsername();
        echo &#39;username:&#39;.$username;exit;
        $this->setTemplateDir(dirname(__DIR__) . &#39;/Views/&#39;);
        $this->setCompileDir(dirname(__DIR__) . &#39;/runtime/Compile/&#39;);
        // 将$username显示在对应的一个HTML文件当中，并且显示出来
        // 表现层 user/user.html
        // 将变量发送给模板（html文件）
        $this->assign(&#39;username&#39;, $username);
        $this->assign(&#39;age&#39;, 20);
        // 显示模板
        $this->display(&#39;user/user.html&#39;);
    }
}

Views/user/user.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <h2>
        {$username}
    </h2>
    <h3>
        {$age}
    </h3>
</body>
</html>

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How to install smarty into MVC architecture (code example)

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