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PHP视图控制器MVC基本认识
阿心
Original
678 people have browsed it

模型类：model.php

  1. <?php
  3. class Model
  4. {
  5.     public function getData()
  6.     {
  7.         require $_SERVER['DOCUMENT_ROOT'].'/config/connect.php';
  8.         $sql="SELECT * FROM `user` LIMIT 10";
  9.        $stmt = $pdo->prepare($sql);
  10.        $stmt->execute();
  11.         $user = $stmt->fetchAll(PDO::FETCH_ASSOC);
  12.         return $user;
  13. //        print_r($users);
  14.     }
  15. }
  18. ?>
  20. <html>
  21. <head>
  22.     <body>
  23. <style>
  24.     table {border-collapse: collapse; border: 1px solid;text-align: center; width: 500px;height: 150px;width: 600px;}
  25.     caption {font-size: 1.2rem; margin-bottom: 10px;}
  26.     tr:first-of-type { background-color:wheat;}
  27.     td,th {border: 1px solid; padding:5px}
  28. </style>
  29. </body>
  30. </head>
  31. </html>

视图类：View.php

  1. <?php
  3. class View
  4. {
  5.     public function fetch($data)
  6.     {
  7.         $table='<table>';
  8.         $table.='<caption>用户列表</caption>';
  9.         $table.='<tr><th>id</th><th>账户</th><th>姓名</th><th>tel</th><th>存款</th></tr>';
  10.         foreach($data as $user) {
  11.             $table .= '<tr>';
  12.             $table .= '<td>' . $user['id'] . '</td>';
  13.             $table .= '<td>' . $user['account'] . '</td>';
  14.             $table .= '<td>' . $user['username'] . '</td>';
  15.             $table .= '<td>' . $user['phone'] . '</td>';
  16.             $table .= '<td>' . $user['money'] . '</td>';
  17.             $table .= '</tr>';
  18.         }
  19.         $table.='</table>';
  20.         return $table;
  21.     }
  22. }

控制器一，demo.php

  1. <?php
  3. require 'Model.php';
  4. require 'View.php';
  6. //创建控制   方法一：
  7. class controller
  8. {
  9.     public function index()
  10.     {
  11.         $m=new Model;
  12.         //print_r($m->getData());
  13.         $data=$m->getData();
  15.         $v=new View;
  16.         $res=$v->fetch($data);
  17.         return $res;
  18.     }
  19. }
  21. $controller=new controller;
  23. echo $controller->index();

控制方法二，demo1.php

  1. <?php
  3. require 'model.php';
  4. require 'view.php';
  6. //创建控制   方法二：
  7. class controller1
  8. {
  9.     public function index($m,$v){
  10.         //获取数据
  11.         $data=$m->getData();
  12.         //渲染视图
  13.         return $v->fetch($data);
  14.     }
  15. }
  17. $m=new Model;
  18. $v=new View;
  20. $controller1=new controller1;
  21. $res=$controller1->index($m,$v);
  22. echo $res;

控制方法三,demo2.php

  1. <?php
  3. require 'model.php';
  4. require 'view.php';
  6. class controller2
  7. {
  8.     //依赖对象属性
  9.     private $m;
  10.     private $v;
  12.     public function __construct(Model $m, View $v)
  13.     {
  14.         $this->m = $m;
  15.         $this->v = $v;
  16.     }
  18.     public function index()
  19.     {
  21.         $data = $this->m->getData();
  23.         return $this->v->fetch($data);
  24.     }
  25. }
  28. $m = new Model;
  29. $v = new View;
  31. $controller2 = new controller2($m,$v);
  32. echo $controller2->index();

总结：MVC基本认识大概思路有了。还需要认真多抄几遍估计可以加深下认识。

Correcting teacher：天蓬老师天蓬老师

Correction status：qualified

Teacher's comments：思路有了就好办了
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