5.29模板的赋值、过滤、替换以及继承

实例

<?php
namespace app\index\controller;
use think\facade\View;
use think\Controller;

class Index extends Controller
{
    public function index()
    {
        return '<style type="text/css">*{ padding: 0; margin: 0; } div{ padding: 4px 48px;} a{color:#2E5CD5;cursor: pointer;text-decoration: none} a:hover{text-decoration:underline; } body{ background: #fff; font-family: "Century Gothic","Microsoft yahei"; color: #333;font-size:18px;} h1{ font-size: 100px; font-weight: normal; margin-bottom: 12px; } p{ line-height: 1.6em; font-size: 42px }</style><div style="padding: 24px 48px;"> <h1>:) </h1><p> ThinkPHP V5.1<br/><span style="font-size:30px">12载初心不改（2006-2018） - 你值得信赖的PHP框架</span></p></div><script type="text/javascript" src="https://tajs.qq.com/stats?sId=64890268" charset="UTF-8"></script><script type="text/javascript" src="https://e.topthink.com/Public/static/client.js"></script><think id="eab4b9f840753f8e7"></think>';
    }

    public function hello($name = 'ThinkPHP5')
    {
        return 'hello,' . $name;
    }

    public function example1()
    {
      $name='KimJin';
      //使用视图方法:display()不通过模板,直接渲染内容,支持HTML标签
      // return $name;
      // return view::display($name);
      // return view::display('我的英文名是：'.$name);
      // return view::display('我的英文名是：<span style="color:red">'.$name.'</span>');

      //fetch（模板表达式）
      //fetch('模板表达式',[模板变量数组],[模板配置数组])
      // return View::fetch('index@index/index1',['data'=>$data]);
      // return View::fetch('ep1',['name'=>'Kimjinx']);
      // return $this->view->fetch('ep1',['name'=>'Kimjinx2']);

      // return $this->fetch('ep1',['name'=>'Kimjinx3']);
    //助手函数view()
      return view('ep1',['name'=>'Kimjinx4']);
    }

    public function example2()
    {
         //模板赋值
         //1.assign

         $name='Jack-jonash';
         $this->view->assign('name',$name);
         // return $this->view->fetch('ep2');
         //2.直接传参
         // return $this->fetch('ep2',['name'=>'Kimjinx3']);
        //3对象方法
        $this->view->name='Tomas';

        return $this->view->fetch('ep2');
    }


    public function example3()
    {
       //模板的替换

       $this->view->name='KingKong';

       return $this->filter(function($content){
         return str_replace('KingKong', 'Dargon', $content);
       })->fetch('ep2');
    }
          //模板的布局
    public function example4()
    {
        $this->view->name='小明';
      return $this->view->fetch('ep4');
    }
        //模板的继承
    public function example5()
    {
      
      return $this->view->fetch('ep5');
    }
}

模板的布局

模板的继承