Simple implementation of MVC framework in PHP, phpmvc framework_PHP tutorial

Simple implementation of MVC framework in PHP, phpmvc framework

1. Overview

The full name of MVC is Model View Controller, which is the abbreviation of model-view-controller. It is a software design model organized by a method of separating business logic, data and interface display. Code, which gathers business logic into a component, improves and personalizes the interface and user interaction without rewriting the business logic. MVC was uniquely developed to map traditional input, processing, and output functionality into a logical graphical user interface structure.

2. Code structure

3. Code implementation

<?php
        //function.php  
	//控制器调用函数
	function C($name, $method){
		require_once('libs/Controller/'.$name.'Controller.class.php');
		//$testController = new testController();
		//$testController->show();
		eval('$obj = new '.$name.'Controller(); $obj->'.$method.'();');
	}

	//模型调用函数
	function M($name){
		require_once('libs/Model/'.$name.'Model.class.php');
		eval('$obj = new '.$name.'Model();');
		return $obj;
	}

	//视图调用函数
	function V($name){
		require_once('libs/View/'.$name.'View.class.php');
		eval('$obj = new '.$name.'View();');
		return $obj;
	}

	//过滤非法值
	function daddslashes($str){
		return (!get_magic_quotes_gpc())?addslashes($str):$str;
	}
?>

<?php
//test.php
/*
第一步 浏览者 -> 调用控制器,对它发出指令
第二步 控制器 -> 按指令选取一个合适的模型
第三步 模型 -> 按控制器指令取相应数据
第四步 控制器 -> 按指令选取相应视图
第五步 视图 -> 把第三步取到的数据按用户想要的样子显示出来
*/

require_once('View/testView.class.php');
require_once('Model/testModel.class.php');
require_once('Controller/testController.class.php');

$testController = new testController();
$testController->show();
?>

<?php
//testController.class.php
/*
控制器的作用是调用模型,并调用视图,将模型产生的数据传递给视图,并让相关视图去显示
*/
	class testController{
		function show(){
			/*$testModel = new testModel();
			$data = $testModel->get();
			$testView = new testView();
			$testView->display($data);*/
			$testModel = M('test');
			$data = $testModel->get();
			$testView = V('test');
			$testView->display($data);
		}
	}
?>

<?php
//testModel.class.php
/*
模型的作用是获取数据并处理,返回数据
*/
	class testModel{
		function get(){
			return "hello world";
		}
	}
?>

<?php
//testView.class.php
/*
视图的作用是将获得的数据进行组织,美化等,并最终向用户终端输出
*/
	class testView{
		function display($data){
			echo $data;
		}
	}
?>

Running results:

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