ThinkPHP template replacement and system constants and application examples

This article mainly introduces ThinkPHP template replacement and system constants and applications. It is a very important concept. Friends who need it can refer to it.

This article describes ThinkPHP template replacement, system constants and applications. It is ThinkPHP It is necessary to have a firm grasp of the basic knowledge of project development. The details are as follows:

Default template replacement rules:

../Public: will be replaced by the public template directory of the current project, usually /project directory/Tpl/ default/Public/
__PUBLIC__: will be replaced by the public directory of the current website, usually /Public/
__TMPL__: will be replaced by the project's template directory, usually /project directory/Tpl/default/
__ROOT__: Will be replaced with the address of the current website (excluding domain name)
__APP__: Will be replaced with the URL address of the current project (excluding domain name)
__URL__: Will be replaced with the URL address of the current module (excluding domain name)
__ACTION__: Will be replaced by the URL address of the current operation (excluding domain name)
__SELF__: Will be replaced by the current page URL

You can also customize the replacement rules by configuring the value of TMPL_PARSE_STRING in the project configuration file , such as:

TMPL_PARSE_STRING => array(
   '__PUBLIC__' => '/Common' ,  // 更改默认的 __PUBLIC__ 替换规则
   '__UPLOAD__' => '/Public/Uploads/' ,  // 增加新的上传路径替换规则
)

Example:

File path:/Home/Tpl/default/User/index.html, code As follows:

 <p>__ROOT__代表当前网站的网址</p>
 <p>__URL__代表当前模块的URL地址/index.php/User</p>
 <p>../Public代表/aoli/Tpl/default/Public</p>
 <p>__PUBLIC__代表项目公共文件目录/Public</p>
 <p>__TMPL__代表当前项目的模板目录/aoli/Tpl/default/</p>
 <p>__APP__代表当前项目的入口文件地址/index.php</p>
 <p>__ACTION__代表当前的操作地址/index.php/User/index</p>
 <p>__SELF__代表当前URL地址/index.php/User/</p>
 <p>__UPLOAD__</p>
 <form action="__URL__/add" method="post">
  <input type="text" name="username" />
  <input type="submit" value="注册" />
 </form>

File path:/Home/Lib/Action/UserAction.class.php, the code is as follows:

<?php
 class UserAction extends Action {
    function index(){
      $this->display();     
    }
    function add(){
      dump($_POST);   
    }
 }
?>

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Methods for mutual calls between ThinkPHP controllers

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