orm添加构造函数自动保存列名

App/Controllers/Home.php

@@ -5,7 +5,6 @@ namespace App\Controllers;
 use Core\Model;
 use \Core\View;
 use App\Models;
-
 /**
  * Home controller
  *
@@ -34,4 +33,9 @@ class Home extends \Core\Controller
     public function renderAction() {
 
     }
+    public function docsAction(){
+        $docs = new Models\Doc();
+        //$this->JsonResp(200,$docs,"OK");
+    }
 }
+

App/Models/Doc.php

@@ -8,15 +8,19 @@ use PDO;
 
 class Doc extends  Model
 {
+    public $tableName = 'doc';
+    public  function __construct() {
+        parent::__construct();
+    }
     /**
      * Get all the users as an associative array
      *
      * @return array
      */
-    public static function getAll()
+    public  function getAll()
     {
         $db = static::getDB();
-        $stmt = $db->query('SELECT * FROM users');
-        return $stmt->fetchAll(PDO::FETCH_ASSOC);
+        $stmt = $db->query('SELECT * FROM doc');
+        return $stmt->fectchAll;
     }
 }

App/Models/User.php

@@ -20,6 +20,7 @@ class User extends \Core\Model
     public static function getAll() {
         $db = static::getDB();
         $stmt = $db->query('SELECT * FROM users');
+
         return $stmt->fetchAll(PDO::FETCH_ASSOC);
     }
     public  static  function Insert($user){
@@ -44,4 +45,5 @@ class User extends \Core\Model
         );
         return $stmt->fetchAll(PDO::FETCH_ASSOC);
     }
+
 }

Core/Model.php

@@ -12,7 +12,28 @@ use App\Config;
  */
 abstract class Model
 {
+    public $tableName;
+    public $columns = array();
+    //获得一个表的所有列名
+    function __construct(){
+        $this->getColumns($this->tableName);
+    }
+    public function getColumns($tableName) {
+        $db = static::getDB();
 
+        $sql = "show columns from ".$tableName;
+        $stmt = $db->query($sql);
+        $res = $stmt->fetchAll();
+        if(static::getDB()!=null){
+            try{
+                foreach ($res as $key => $value){
+                    array_push($res,$value[0]);
+                }
+            }catch (\PDOException $e){
+                echo $e->getMessage();
+            }
+        }
+    }
     /**
      * Get the PDO database connection
      *
@@ -40,7 +61,6 @@ abstract class Model
             // Throw an Exception when an error occurs
             $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
         }
-
         return $db;
     }
 }

public/index.php

@@ -29,7 +29,6 @@ $router->add('', ['controller' => 'Home', 'action' => 'index']);
 $router->add('{controller}/{action}');
 $router->AddPrefix(\App\Config::ROUTE_PREFIX);
 try{
-    //echo $_SERVER['REQUEST_URI'];
     $router->dispatch($_SERVER['REQUEST_URI']);
 }catch (Exception $exception){
     echo $exception;