午夜伧理A级日韩1片

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使用MVC实现的hello world! 分享鏈接 /book/zentaophphelp/mvc-1228.html

作者：王春生最后编辑：先知于 2015-01-09 14:41:46 浏覽量：67594

摘要：在上一章中，我们实现了hello world的输出，在这一章里面，我们将向你展示如何利用mvc结构

本篇目錄

在上一章中，我们实现了简单的Hello world输出，在这一章里面，我们将向你展示如何利用mvc的结构来实现Hello world.

一、仅有control.php的hello world.

在上一个章节中，我们所实现的代码，实际上是在control里面直接输出了Hello world.

<?php
class hello extends control
{
    public function world()
    {
        echo 'Hello world';
    }
}

二、有model层的hello world.

現在稍微複雜一點，引入model。我們來創建model文件：model.php。

<?php
class helloModel extends model
{
    public function world()
    {
        return 'Hello world!';
    }
}

现在control需要做一些改动：

public function world()
{
    echo $this->hello->world();
}

框架會自動加載當前模塊所對應的model類，並生成model對象，然後在control就可以通過$this->hello(也就是模塊名)這樣的形式來引用model中的各個方法了。

现在再来访问下http://localhost/zentaophp/hello-world，是不是同样可以显示出hello world!？

三、带有view层的hello world.

zentaoPHP框架對模板的命名約定如下：

1. 视图文件都存放在各个模块的view目錄下面。
2. 视图文件的命名规则是方法名+模板名+.php。比如我們要訪問的index.html，那麽對應的模板文件是index.html.php。

首先我們來修改下control文件。

public function world()
{
    $this->view->helloworld = $this->hello->world();
    $this->display();
}

然後我們來創建view/world.html.php，內容如下

<?php
echo $helloworld;
?>

control將model返回的變量賦值到視圖文件。然後調用display方法展示模板文件就可以了。

ok，這時再重新刷新訪問，是不是可以呢？

走到這一步，恭喜你，你已經接觸到了ZenTaoPHP框架基礎，核心的東西了。

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