| （基于V2.6.20） |
| 1,Smarty.class.php |
| //构造函数 |
| function Smarty() |
| { |
| $this->assign('SCRIPT_NAME', ...); |
| } |
| //assign函数 |
| function assign($tpl_var, $value = null) |
| { |
| if (is_array($tpl_var)){ //可以直接传递数组 |
| foreach ($tpl_var as $key => $val) { |
| if ($key != '') { |
| $this->_tpl_vars[$key] = $val; |
| } |
| } |
| } else { |
| if ($tpl_var != '') |
| $this->_tpl_vars[$tpl_var] = $value; |
| } |
| } |
| 重要：$this->_tpl_vars是保存模板变量的 |
| //display方法 |
| function display($resource_name, $cache_id = null, $compile_id = null) |
| { |
| $this->fetch($resource_name, $cache_id, $compile_id, true); |
| } |
| //这个方法的逻辑还没有完全梳理清楚 |
| function fetch($resource_name, $cache_id = null, $compile_id = null, $display = false) |
| { |
| //debug.... |
| //cache.... |
| //调用方法_compile_resource来编译 |
| } |
| // |
| function _compile_resource($resource_name, $compile_path) |
| { |
| //调用方法_compile_source |
| } |
| /** |
| * 编译给出的模板文件 |
| * |
| * @param string $resource_name |
| * @param string $source_content |
| * @param string $compiled_content |
| * @return boolean |
| */ |
| function _compile_source($resource_name, &$source_content, &$compiled_content, $cache_include_path=null) |
| { |
| if (file_exists(SMARTY_DIR . $this->compiler_file)) { |
| require_once(SMARTY_DIR . $this->compiler_file); |
| } else { |
| // use include_path |
| require_once($this->compiler_file); |
| } |
| //实例化编译对象 |
| $smarty_compiler = new $this->compiler_class; //Smarty_Compiler |
| //初始化编译对象（传递相关的变量，包括上面的模板变量） |
| $smarty_compiler->template_dir = $this->template_dir; |
| $smarty_compiler->compile_dir = $this->compile_dir; |
| $smarty_compiler->plugins_dir = $this->plugins_dir; |
| $smarty_compiler->config_dir = $this->config_dir; |
| $smarty_compiler->force_compile = $this->force_compile; |
| $smarty_compiler->caching = $this->caching; |
| $smarty_compiler->php_handling = $this->php_handling; |
| $smarty_compiler->left_delimiter = $this->left_delimiter; |
| $smarty_compiler->right_delimiter = $this->right_delimiter; |
| $smarty_compiler->_version = $this->_version; |
| $smarty_compiler->security = $this->security; |
| $smarty_compiler->secure_dir = $this->secure_dir; |
| $smarty_compiler->security_settings = $this->security_settings; |
| $smarty_compiler->trusted_dir = $this->trusted_dir; |
| $smarty_compiler->use_sub_dirs = $this->use_sub_dirs; |
| $smarty_compiler->_reg_objects = &$this->_reg_objects; |
| $smarty_compiler->_plugins = &$this->_plugins; |
| $smarty_compiler->_tpl_vars = &$this->_tpl_vars; //模板变量 |
| $smarty_compiler->default_modifiers = $this->default_modifiers; |
| $smarty_compiler->compile_id = $this->_compile_id; |
| $smarty_compiler->_config = $this->_config; |
| $smarty_compiler->request_use_auto_globals = $this->request_use_auto_globals; |
| if (isset($cache_include_path) && isset($this->_cache_serials[$cache_include_path])) { |
| $smarty_compiler->_cache_serial = $this->_cache_serials[$cache_include_path]; |
| } |
| $smarty_compiler->_cache_include = $cache_include_path; |
| //编译 |
| $_results = $smarty_compiler->_compile_file($resource_name, $source_content, $compiled_content); |
| if ($smarty_compiler->_cache_serial) { |
| $this->_cache_include_info = array( |
| 'cache_serial'=>$smarty_compiler->_cache_serial |
| ,'plugins_code'=>$smarty_compiler->_plugins_code |
| ,'include_file_path' => $cache_include_path); |
| } else { |
| $this->_cache_include_info = null; |
| } |
| return $_results; |
| } |
| 2,Smarty_Compiler.class.php |
| //构造函数 |
| function Smarty_Compiler(){ |
| //初始化各种匹配用的正则表达式，例如匹配函数的：$this->_func_regexp = '[a-zA-Z_]\w*'; |
| } |
| //编译，使用$compiled_content返回编译好的php代码 |
| /* |
| 返回的代码包括两部分： |
| 1，头部，如下： |
| <?php //Smarty version 2.6.20, created on 2009-12-21 10:38:57 compiled from index.tpl |
| ?> |
| <?php |
| require_once(SMARTY_CORE_DIR . 'core.load_plugins.php'); |
| //加载自定义插件，如load_data |
| smarty_core_load_plugins(array('plugins' => array(array('function', 'load_data', 'index.tpl', 20, false),)), $this); ?> |
| <?php $_smarty_tpl_vars = $this->_tpl_vars; //模板变量赋值 |
| //加载头部模板 |
| $this->_smarty_include(array('smarty_include_tpl_file' => 'header.tpl', 'smarty_include_vars' => array())); |
| $this->_tpl_vars = $_smarty_tpl_vars; |
| unset($_smarty_tpl_vars); |
| ?> |
| 2，模板主体 |
| */ |
| function _compile_file($resource_name, $source_content, &$compiled_content){ |
| //处理文本块 |
| //编译所有标签，调用_compile_tag方法（重要） |
| } |
| 注： |
| 1，literal标签内的数据smarty不会去分析（可用于显示有可能包含大括号等字符信息的 javascript脚本） |
| 2，可以使用php标签来嵌套php代码 |
参考：http://code.google.com/p/cyy0523xc/source/browse/trunk/php/Smarty%E7%BC%96%E8%AF%91%E8%BF%87%E7%A8%8B.txt