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- <?php
- // +----------------------------------------------------------------------
- // | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
- // +----------------------------------------------------------------------
- // | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
- // +----------------------------------------------------------------------
- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
- // +----------------------------------------------------------------------
- // | Author: liu21st <liu21st@gmail.com>
- // +----------------------------------------------------------------------
- namespace Think;
- /**
- * ThinkPHP 视图类
- */
- class View
- {
- /**
- * 模板输出变量
- * @var tVar
- * @access protected
- */
- protected $tVar = array();
- /**
- * 模板主题
- * @var theme
- * @access protected
- */
- protected $theme = '';
- /**
- * 模板变量赋值
- * @access public
- * @param mixed $name
- * @param mixed $value
- */
- public function assign($name, $value = '')
- {
- if (is_array($name)) {
- $this->tVar = array_merge($this->tVar, $name);
- } else {
- $this->tVar[$name] = $value;
- }
- }
- /**
- * 取得模板变量的值
- * @access public
- * @param string $name
- * @return mixed
- */
- public function get($name = '')
- {
- if ('' === $name) {
- return $this->tVar;
- }
- return isset($this->tVar[$name]) ? $this->tVar[$name] : false;
- }
- /**
- * 加载模板和页面输出 可以返回输出内容
- * @access public
- * @param string $templateFile 模板文件名
- * @param string $charset 模板输出字符集
- * @param string $contentType 输出类型
- * @param string $content 模板输出内容
- * @param string $prefix 模板缓存前缀
- * @return mixed
- */
- public function display($templateFile = '', $charset = '', $contentType = '', $content = '', $prefix = '')
- {
- G('viewStartTime');
- // 视图开始标签
- Hook::listen('view_begin', $templateFile);
- // 解析并获取模板内容
- $content = $this->fetch($templateFile, $content, $prefix);
- // 输出模板内容
- $this->render($content, $charset, $contentType);
- // 视图结束标签
- Hook::listen('view_end');
- }
- /**
- * 输出内容文本可以包括Html
- * @access private
- * @param string $content 输出内容
- * @param string $charset 模板输出字符集
- * @param string $contentType 输出类型
- * @return mixed
- */
- private function render($content, $charset = '', $contentType = '')
- {
- if (empty($charset)) {
- $charset = C('DEFAULT_CHARSET');
- }
- if (empty($contentType)) {
- $contentType = C('TMPL_CONTENT_TYPE');
- }
- // 网页字符编码
- header('Content-Type:' . $contentType . '; charset=' . $charset);
- header('Cache-control: ' . C('HTTP_CACHE_CONTROL')); // 页面缓存控制
- header('X-Powered-By:OpenCMF');
- // 输出模板文件
- echo $content;
- }
- /**
- * 解析和获取模板内容 用于输出
- * @access public
- * @param string $templateFile 模板文件名
- * @param string $content 模板输出内容
- * @param string $prefix 模板缓存前缀
- * @return string
- */
- public function fetch($templateFile = '', $content = '', $prefix = '')
- {
- if (empty($content)) {
- $templateFile = $this->parseTemplate($templateFile);
- // 模板文件不存在直接返回
- if (!is_file($templateFile)) {
- E(L('_TEMPLATE_NOT_EXIST_') . ':' . $templateFile);
- }
- } else {
- defined('THEME_PATH') or define('THEME_PATH', $this->getThemePath());
- }
- // 页面缓存
- ob_start();
- ob_implicit_flush(0);
- if ('php' == strtolower(C('TMPL_ENGINE_TYPE'))) {
- // 使用PHP原生模板
- if (empty($content)) {
- if (isset($this->tVar['templateFile'])) {
- $__template__ = $templateFile;
- extract($this->tVar, EXTR_OVERWRITE);
- include $__template__;
- } else {
- extract($this->tVar, EXTR_OVERWRITE);
- include $templateFile;
- }
- } elseif (isset($this->tVar['content'])) {
- $__content__ = $content;
- extract($this->tVar, EXTR_OVERWRITE);
- eval('?>' . $__content__);
- } else {
- extract($this->tVar, EXTR_OVERWRITE);
- eval('?>' . $content);
- }
- } else {
- // 视图解析标签
- $params = array('var' => $this->tVar, 'file' => $templateFile, 'content' => $content, 'prefix' => $prefix);
- Hook::listen('view_parse', $params);
- }
- // 获取并清空缓存
- $content = ob_get_clean();
- // 内容过滤标签
- Hook::listen('view_filter', $content);
- if (APP_DEBUG && C('PARSE_VAR')) {
- // debug模式时,将后台分配变量输出到浏览器控制台
- $parseVar = empty($this->tVar) ? json_encode(array()) : json_encode($this->tVar);
- $content = $content . '<script type="text/javascript">var PARSE_VAR = ' . $parseVar . ';</script>';
- }
- // 输出模板文件
- return $content;
- }
- /**
- * 自动定位模板文件
- * @access protected
- * @param string $template 模板文件规则
- * @return string
- */
- public function parseTemplate($template = '')
- {
- if (is_file($template)) {
- return $template;
- }
- $depr = C('TMPL_FILE_DEPR');
- $template = str_replace(':', $depr, $template);
- // 获取当前模块
- $module = MODULE_NAME;
- if (strpos($template, '@')) {
- // 跨模块调用模版文件
- list($module, $template) = explode('@', $template);
- }
- // 获取当前主题的模版路径
- defined('THEME_PATH') or define('THEME_PATH', $this->getThemePath($module));
- // 分析模板文件规则
- if ('' == $template) {
- // 如果模板文件名为空 按照默认规则定位
- $template = CONTROLLER_NAME . $depr . ACTION_NAME;
- } elseif (false === strpos($template, $depr)) {
- $template = CONTROLLER_NAME . $depr . $template;
- }
- $file = THEME_PATH . $template . C('TMPL_TEMPLATE_SUFFIX');
- if (C('TMPL_LOAD_DEFAULTTHEME') && THEME_NAME != C('DEFAULT_THEME') && !is_file($file)) {
- // 找不到当前主题模板的时候定位默认主题中的模板
- $file = dirname(THEME_PATH) . '/' . C('DEFAULT_THEME') . '/' . $template . C('TMPL_TEMPLATE_SUFFIX');
- }
- return $file;
- }
- /**
- * 获取当前的模板路径
- * @access protected
- * @param string $module 模块名
- * @return string
- */
- protected function getThemePath($module = MODULE_NAME)
- {
- // 获取当前主题名称
- $theme = $this->getTemplateTheme();
- // 获取当前主题的模版路径
- $tmplPath = C('VIEW_PATH'); // 模块设置独立的视图目录
- if (!$tmplPath) {
- // 定义TMPL_PATH 则改变全局的视图目录到模块之外
- $tmplPath = defined('TMPL_PATH') ? TMPL_PATH . $module . '/' : APP_PATH . $module . '/' . C('DEFAULT_V_LAYER') . '/';
- }
- return $tmplPath . $theme;
- }
- /**
- * 设置当前输出的模板主题
- * @access public
- * @param mixed $theme 主题名称
- * @return View
- */
- public function theme($theme)
- {
- $this->theme = $theme;
- return $this;
- }
- /**
- * 获取当前的模板主题
- * @access private
- * @return string
- */
- private function getTemplateTheme()
- {
- if ($this->theme) {
- // 指定模板主题
- $theme = $this->theme;
- } else {
- /* 获取模板主题名称 */
- $theme = C('DEFAULT_THEME');
- if (C('TMPL_DETECT_THEME')) {
- // 自动侦测模板主题
- $t = C('VAR_TEMPLATE');
- if (isset($_GET[$t])) {
- $theme = $_GET[$t];
- } elseif (cookie('think_template')) {
- $theme = cookie('think_template');
- }
- if (!in_array($theme, explode(',', C('THEME_LIST')))) {
- $theme = C('DEFAULT_THEME');
- }
- cookie('think_template', $theme, 864000);
- }
- }
- defined('THEME_NAME') || define('THEME_NAME', $theme); // 当前模板主题名称
- return $theme ? $theme . '/' : '';
- }
- }
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