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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
// $Id: Action.class.php 2702 2012-02-02 12:35:01Z liu21st $
/**
+------------------------------------------------------------------------------
* ThinkPHP Action控制器基类 精简模式
+------------------------------------------------------------------------------
* @category Think
* @package Think
* @subpackage Core
* @author liu21st <liu21st@gmail.com>
* @version $Id: Action.class.php 2702 2012-02-02 12:35:01Z liu21st $
+------------------------------------------------------------------------------
*/
abstract class Action {
// 当前Action名称
private $name = '';
protected $tVar = array(); // 模板输出变量
/**
+----------------------------------------------------------
* 架构函数 取得模板对象实例
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
*/
public function __construct() {
tag('action_begin');
//控制器初始化
if(method_exists($this,'_initialize'))
$this->_initialize();
}
/**
+----------------------------------------------------------
* 获取当前Action名称
+----------------------------------------------------------
* @access protected
+----------------------------------------------------------
*/
protected function getActionName() {
if(empty($this->name)) {
// 获取Action名称
$this->name = substr(get_class($this),0,-6);
}
return $this->name;
}
/**
+----------------------------------------------------------
* 是否AJAX请求
+----------------------------------------------------------
* @access protected
+----------------------------------------------------------
* @return bool
+----------------------------------------------------------
*/
protected function isAjax() {
if(isset($_SERVER['HTTP_X_REQUESTED_WITH']) ) {
if('xmlhttprequest' == strtolower($_SERVER['HTTP_X_REQUESTED_WITH']))
return true;
}
if(!empty($_POST[C('VAR_AJAX_SUBMIT')]) || !empty($_GET[C('VAR_AJAX_SUBMIT')]))
// 判断Ajax方式提交
return true;
return false;
}
/**
+----------------------------------------------------------
* 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,$name);
}elseif(is_object($name)){
foreach($name as $key =>$val)
$this->tVar[$key] = $val;
}else {
$this->tVar[$name] = $value;
}
}
public function __set($name,$value) {
$this->assign($name,$value);
}
/**
+----------------------------------------------------------
* 取得模板变量的值
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $name
+----------------------------------------------------------
* @return mixed
+----------------------------------------------------------
*/
public function get($name){
if(isset($this->tVar[$name]))
return $this->tVar[$name];
else
return false;
}
/**
+----------------------------------------------------------
* 魔术方法 有不存在的操作的时候执行
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $method 方法名
* @param array $args 参数
+----------------------------------------------------------
* @return mixed
+----------------------------------------------------------
*/
public function __call($method,$args) {
if( 0 === strcasecmp($method,ACTION_NAME)) {
if(method_exists($this,'_empty')) {
// 如果定义了_empty操作 则调用
$this->_empty($method,$args);
}elseif(file_exists_case(C('TEMPLATE_NAME'))){
// 检查是否存在默认模版 如果有直接输出模版
$this->display();
}else{
// 抛出异常
throw_exception(L('_ERROR_ACTION_').ACTION_NAME);
}
}else{
switch(strtolower($method)) {
// 判断提交方式
case 'ispost':
case 'isget':
case 'ishead':
case 'isdelete':
case 'isput':
return strtolower($_SERVER['REQUEST_METHOD']) == strtolower(substr($method,2));
// 获取变量 支持过滤和默认值 调用方式 $this->_post($key,$filter,$default);
case '_get': $input =& $_GET;break;
case '_post':$input =& $_POST;break;
case '_put': parse_str(file_get_contents('php://input'), $input);break;
case '_request': $input =& $_REQUEST;break;
case '_session': $input =& $_SESSION;break;
case '_cookie': $input =& $_COOKIE;break;
case '_server': $input =& $_SERVER;break;
case '_globals': $input =& $GLOBALS;break;
default:
throw_exception(__CLASS__.':'.$method.L('_METHOD_NOT_EXIST_'));
}
if(isset($input[$args[0]])) { // 取值操作
$data = $input[$args[0]];
$fun = $args[1]?$args[1]:C('DEFAULT_FILTER');
$data = $fun($data); // 参数过滤
}else{ // 变量默认值
$data = isset($args[2])?$args[2]:NULL;
}
return $data;
}
}
/**
+----------------------------------------------------------
* 操作错误跳转的快捷方法
+----------------------------------------------------------
* @access protected
+----------------------------------------------------------
* @param string $message 错误信息
* @param string $jumpUrl 页面跳转地址
* @param Boolean $ajax 是否为Ajax方式
+----------------------------------------------------------
* @return void
+----------------------------------------------------------
*/
protected function error($message,$jumpUrl='',$ajax=false) {
$this->dispatchJump($message,0,$jumpUrl,$ajax);
}
/**
+----------------------------------------------------------
* 操作成功跳转的快捷方法
+----------------------------------------------------------
* @access protected
+----------------------------------------------------------
* @param string $message 提示信息
* @param string $jumpUrl 页面跳转地址
* @param Boolean $ajax 是否为Ajax方式
+----------------------------------------------------------
* @return void
+----------------------------------------------------------
*/
protected function success($message,$jumpUrl='',$ajax=false) {
$this->dispatchJump($message,1,$jumpUrl,$ajax);
}
/**
+----------------------------------------------------------
* Ajax方式返回数据到客户端
+----------------------------------------------------------
* @access protected
+----------------------------------------------------------
* @param mixed $data 要返回的数据
* @param String $info 提示信息
* @param boolean $status 返回状态
* @param String $status ajax返回类型 JSON XML
+----------------------------------------------------------
* @return void
+----------------------------------------------------------
*/
protected function ajaxReturn($data,$info='',$status=1,$type='') {
$result = array();
$result['status'] = $status;
$result['info'] = $info;
$result['data'] = $data;
//扩展ajax返回数据, 在Action中定义function ajaxAssign(&$result){} 方法 扩展ajax返回数据。
if(method_exists($this,"ajaxAssign"))
$this->ajaxAssign($result);
if(empty($type)) $type = C('DEFAULT_AJAX_RETURN');
if(strtoupper($type)=='JSON') {
// 返回JSON数据格式到客户端 包含状态信息
header("Content-Type:text/html; charset=utf-8");
exit(json_encode($result));
}elseif(strtoupper($type)=='XML'){
// 返回xml格式数据
header("Content-Type:text/xml; charset=utf-8");
exit(xml_encode($result));
}
}
/**
+----------------------------------------------------------
* Action跳转(URL重定向） 支持指定模块和延时跳转
+----------------------------------------------------------
* @access protected
+----------------------------------------------------------
* @param string $url 跳转的URL表达式
* @param array $params 其它URL参数
* @param integer $delay 延时跳转的时间 单位为秒
* @param string $msg 跳转提示信息
+----------------------------------------------------------
* @return void
+----------------------------------------------------------
*/
protected function redirect($url,$params=array(),$delay=0,$msg='') {
$url = U($url,$params);
redirect($url,$delay,$msg);
}
/**
+----------------------------------------------------------
* 默认跳转操作 支持错误导向和正确跳转
* 调用模板显示 默认为public目录下面的success页面
* 提示页面为可配置 支持模板标签
+----------------------------------------------------------
* @param string $message 提示信息
* @param Boolean $status 状态
* @param string $jumpUrl 页面跳转地址
* @param Boolean $ajax 是否为Ajax方式
+----------------------------------------------------------
* @access private
+----------------------------------------------------------
* @return void
+----------------------------------------------------------
*/
private function dispatchJump($message,$status=1,$jumpUrl='',$ajax=false) {
// 判断是否为AJAX返回
if($ajax || $this->isAjax()) $this->ajaxReturn($ajax,$message,$status);
if(!empty($jumpUrl)) $this->assign('jumpUrl',$jumpUrl);
// 提示标题
$this->assign('msgTitle',$status? L('_OPERATION_SUCCESS_') : L('_OPERATION_FAIL_'));
//如果设置了关闭窗口，则提示完毕后自动关闭窗口
if($this->get('closeWin')) $this->assign('jumpUrl','javascript:window.close();');
$this->assign('status',$status); // 状态
//保证输出不受静态缓存影响
C('HTML_CACHE_ON',false);
if($status) { //发送成功信息
$this->assign('message',$message);// 提示信息
// 成功操作后默认停留1秒
if(!$this->get('waitSecond')) $this->assign('waitSecond',"1");
// 默认操作成功自动返回操作前页面
if(!$this->get('jumpUrl')) $this->assign("jumpUrl",$_SERVER["HTTP_REFERER"]);
$this->display(C('TMPL_ACTION_SUCCESS'));
}else{
$this->assign('error',$message);// 提示信息
//发生错误时候默认停留3秒
if(!$this->get('waitSecond')) $this->assign('waitSecond',"3");
// 默认发生错误的话自动返回上页
if(!$this->get('jumpUrl')) $this->assign('jumpUrl',"javascript:history.back(-1);");
$this->display(C('TMPL_ACTION_ERROR'));
// 中止执行 避免出错后继续执行
exit ;
}
}
/**
+----------------------------------------------------------
* 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 $contentType 输出类型
+----------------------------------------------------------
* @return mixed
+----------------------------------------------------------
*/
public function display($templateFile='',$charset='',$contentType='') {
G('viewStartTime');
// 视图开始标签
tag('view_begin',$templateFile);
// 解析并获取模板内容
$content = $this->fetch($templateFile);
// 输出模板内容
$this->show($content,$charset,$contentType);
// 视图结束标签
tag('view_end');
}
/**
+----------------------------------------------------------
* 输出内容文本可以包括Html
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $content 输出内容
* @param string $charset 模板输出字符集
* @param string $contentType 输出类型
+----------------------------------------------------------
* @return mixed
+----------------------------------------------------------
*/
public function show($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: private"); //支持页面回跳
header("X-Powered-By:TOPThink/".THINK_VERSION);
// 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 $templateFile 模板文件名
+----------------------------------------------------------
* @return string
+----------------------------------------------------------
*/
public function fetch($templateFile='') {
// 模板文件解析标签
tag('view_template',$templateFile);
// 模板文件不存在直接返回
if(!is_file($templateFile)) return NULL;
// 页面缓存
ob_start();
ob_implicit_flush(0);
// 视图解析标签
$params = array('var'=>$this->tVar,'file'=>$templateFile);
$result = tag('view_parse',$params);
if(false === $result) { // 未定义行为 则采用PHP原生模板
// 模板阵列变量分解成为独立变量
extract($this->tVar, EXTR_OVERWRITE);
// 直接载入PHP模板
include $templateFile;
}
// 获取并清空缓存
$content = ob_get_clean();
// 内容过滤标签
tag('view_filter',$content);
// 输出模板文件
return $content;
}
/**
+----------------------------------------------------------
* 析构方法
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
*/
public function __destruct() {
// 保存日志
if(C('LOG_RECORD')) Log::save();
// 执行后续操作
tag('action_end');
}
}
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