JTemplate.class.php
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/**
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* @author Jiawei
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* @Completed in 2012-6-29 0:23
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*/
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class JTemplate{
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//通过assign函数传入的变量临时存放数组
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private $templateVar = array();
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//模板目录
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private $templateDir = '';
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//编译目录
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private $templateCompileDir = '';
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private $fileName = '';
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/**
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* 构造函数
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* @param string $templateDir 模板目录
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* @param string $templateComplieDir 模板编译目录
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*/
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public function __construct($templateDir,$templateComplieDir){
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$this->templateDir = $templateDir;
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$this->templateCompileDir = $templateComplieDir;
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}
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/**
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* 显示模板
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* @param string $fileName 模板文件名
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*/
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public function display($fileName){
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$this->fileName = $fileName;
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if(file_exists($this->templateDir.'/'.$this->fileName)){
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$compileFileName = $this->templateCompileDir.'/'.$this->file_safe_name().'.php';
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if(!file_exists($compileFileName) || filemtime($compileFileName)templateDir.'/'.$this->fileName)){
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$this->del_old_file();
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$this->compile();
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}
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extract($this->templateVar);
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include $compileFileName;
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}else{
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$this->error('Sorry,the template file '.$this->fileName.' does not exist!!');
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}
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}
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/**
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* 获取编译文件名
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*/
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private function get_compile_file(){
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$compileFile = explode('.',$this->fileName);
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unset($compileFile[count($compileFile)-1]);
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return implode('.',$compileFile);
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}
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/**
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* 编译
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*/
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private function compile(){
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$fileHandle = @fopen($this->templateDir.'/'.$this->fileName, 'r');
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while(!feof($fileHandle)){
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$fileContent = fread($fileHandle,1024);
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}
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fclose($fileHandle);
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$fileContent = $this->template_replace($fileContent);
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//$compileFile = $this->get_compile_file($fileName);
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$fileHandle = @fopen($this->templateCompileDir.'/'.$this->file_safe_name().'.php','w');
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if($fileHandle){
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fwrite($fileHandle, $fileContent);
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fclose($fileHandle);
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}else{
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$this->error('Sorry,Compile dir can not write!');
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}
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}
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/**
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* 模板传值
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* @param string $valueName 模板中使用的变量名
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* @param $value 变量值
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*/
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public function assign($valueName,$value){
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$this->templateVar[$valueName] = $value;
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}
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/**
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* 模板正则替换
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* @param string $content 替换内容
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* @return string 替换过后的内容
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*/
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private function template_replace($content){
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$orginArray = array(
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'//s',
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'//s',
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'/(.+?)/s',
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'//s',
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'//s',
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'//s',
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'//s',
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'//s',
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'/\{P:(.+?)\:}/s',
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'/\{C:(\w+)\}/s',
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'/\{I:(.+?)\}/s',
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'/\{F:(.+?)\}/s',
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'/\{EF:(.+?)\}/s',
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'/\{([a-zA-Z0-9_\[\]\'\"\$\.\x7f-\xff]+)\}/s',
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);
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$changeArray = array(
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'',
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'$$3){$countLoop++;?>',
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'$1',
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'',
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'',
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'',
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'',
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'',
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'',
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'',
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'templateDir.'/$1";?>',
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'',
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'',
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'',
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);
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return $repContent=preg_replace($orginArray,$changeArray,$content);
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}
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/**
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* 删除旧文件
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*/
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private function del_old_file(){
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$compileFile = $this->get_compile_file($this->fileName);
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$files = glob($this->templateCompileDir.'/'.$compileFile.'*.php');
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// print_r($files);
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if($files){
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@unlink($files[0]);
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}
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}
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/**
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* 编译文件名安全处理方法
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* @return string 返回编译文件名
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*/
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private function file_safe_name(){
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$compileFile = $this->get_compile_file($this->fileName);
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return $compileFile.filemtime($this->templateDir.'/'.$this->fileName);
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}
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/**
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* 错误输出函数
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* @param string $content 错误输出信息
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*/
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private function error($content){
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$stringHtml = '
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$stringHtml .= 'Error information:
';
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$stringHtml .= '';
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$stringHtml .= $content;
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$stringHtml .= '';
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$stringHtml .= '
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exit($stringHtml);
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}
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}
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?>
index.php
view sourceprint?
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/**
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* @author Jiawei
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*/
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include_once 'JTemplate/JTemplate.class.php';
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$template = new JTemplate('template','compile');
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$a = array('a','b','c','d');
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define('_CORE_','aaa');
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$template->assign('a', $a);
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$template->display('index.html');
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?>
作者:袁家伟

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