mirror of
https://gitee.com/fastadminnet/framework.git
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121 lines
3.9 KiB
PHP
121 lines
3.9 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | TOPThink [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2011 http://topthink.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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// $Id$
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namespace Think;
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class View {
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protected $engine = null; // 模板引擎实例
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protected $data = []; // 模板变量
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protected $config = []; // 视图参数
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/**
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* 模板变量赋值
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* @access public
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* @param mixed $name
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* @param mixed $value
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*/
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public function assign($name,$value=''){
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if(is_array($name)) {
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$this->data = array_merge($this->data,$name);
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return $this;
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}else {
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$this->data[$name] = $value;
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}
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}
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/**
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* 视图参数设置
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* @access public
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* @param mixed $name
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* @param mixed $value
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*/
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public function __set($name,$value=''){
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$this->config[$name] = $value;
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}
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public function __construct($config=[]){
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$this->config = $config;
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if(!empty($this->config['template_engine'])) {
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$this->engine($this->config['template_engine'],$config['template_options']);
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}
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}
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public function engine($engine,$config=[]){
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$class = '\\Think\\View\\Driver\\'.ucwords($engine);
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$this->engine = new $class($config);
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return $this;
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}
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/**
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* 加载模板和页面输出 可以返回输出内容
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* @access public
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* @param string $template 模板文件名
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* @param array $vars 模板输出变量
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* @param string $cacheId 模板缓存标识
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* @param boolean $return 是否返回
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* @return mixed
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*/
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public function display($template='',$vars=[],$cacheId='',$return=false) {
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Tag::listen('view_begin',$template);
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// 解析并获取模板内容
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$content = $this->fetch($template,$vars,$cacheId);
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// 输出模板内容
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if($return) {
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return $content;
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}else{
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$this->render($content);
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}
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}
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/**
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* 解析和获取模板内容 用于输出
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* @access protected
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* @param string $template 模板文件名或者内容
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* @param array $vars 模板输出变量
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* @param string $cacheId 模板缓存标识
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* @return string
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*/
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protected function fetch($template,$vars=[],$cacheId='') {
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Tag::listen('view_template',$template);
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$vars = $vars?$vars:$this->data;
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// 页面缓存
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ob_start();
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ob_implicit_flush(0);
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if($this->engine) { // 指定模板引擎
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$this->engine->fetch($template,$vars,$cacheId);
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}else{ // 原生PHP解析
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extract($vars, EXTR_OVERWRITE);
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is_file($template)?include $template:eval('?>'.$template);
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}
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// 获取并清空缓存
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$content = ob_get_clean();
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Tag::listen('view_filter',$content);
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// 输出模板文件
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return $content;
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}
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/**
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* 输出内容文本可以包括Html
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* @access private
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* @param string $content 输出内容
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* @param string $charset 模板输出字符集
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* @param string $contentType 输出类型
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* @return mixed
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*/
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private function render($content){
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// 网页字符编码
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header('Content-Type:'.$this->config['http_content_type'].'; charset='.$this->config['http_charset']);
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header('Cache-control: '.$this->config['http_cache_control']); // 页面缓存控制
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header('X-Powered-By:ThinkPHP');
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// 输出模板文件
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echo $content;
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}
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} |