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本文实例讲述了PHP模版引擎原理、定义与用法。分享给大家供大家参考,具体如下:
template存放模版源文件
模版编译工具类
Compline.class.php
<"/<\";
$this->T_R[] = "<";
}
//{$var}
$this->T_P[] = "/\{\\$([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\}/";
//{foreach $b}或者{loop $b}
$this->T_P[] = "/\{(loop|foreach) \\$([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\}/i";
//{[K|V]}
$this->T_P[] = "/\{([K|V])\}/";
//{/foreach}或者{\loop}或者{\if}
$this->T_P[] = "/\{\/(loop|foreach|if)}/i";
//{if (condition)}
$this->T_P[] = "/\{if (.* ";
//{(else if | elseif)}
$this->T_P[] = "/\{(else if|elseif) (.* ";
//{else}
$this->T_P[] = "/\{else\}/i";
//{#...# 或者 *...#,注释}
$this->T_P[] = "/\{(\#|\*)(.* ";
$this->T_R[] = "<";
$this->T_R[] = "<";
$this->T_R[] = "<";
$this->T_R[] = "<";
$this->T_R[] = "<";
$this->T_R[] = "<";
$this->T_R[] = "<";
$this->T_R[] = "";
}
public function compile()
{
$this->c_all();
$this->c_staticFile();
file_put_contents($this->comfile, $this->content);
}
public function c_all()
{
$this->content = preg_replace($this->T_P, $this->T_R, $this->content);
}
/**
* 加入对JavaScript文件的解析
* @return [type] [description]
*/
public function c_staticFile()
{
$this->content = preg_replace('/\{\!(.* "htmlcode">
<"template dir isn't found!");
}
if(!is_dir($this->arrayConfig['compileDir']))
{
if(strtoupper(substr(PHP_OS,0,3)) === 'WIN')
{
mkdir($this->arrayConfig['compileDir']);
}
else
{
mkdir($this->arrayConfig['compileDir'], 0770, true);
}
}
include('Compile.class.php');
}
public function getPath()
{
$this->arrayConfig['templateDir'] = strstr(realpath($this->arrayConfig['templateDir']), '\\', '/').'/';
$this->arrayConfig['compileDir'] = strstr(realpath($this->arrayConfig['compileDir'])), '\\', '/').'/';
}
/**
* 取得模板引擎的实例
*/
public static function getInstance()
{
if(is_null(self::$instance))
{
self::$instance = new Template();
}
return self::$instance;
}
/**
* 单独设置引擎参数
* 也支持一次性设置多个参数
*/
public function setConfig($key, $value = null)
{
if(is_array($key))
{
$this->arrayConfig = $key + $this->arrayConfig;
}
else
{
$this->arrayConfig[$key] = $value;
}
}
/**
* 获取当前模板引擎配置,仅供调试使用
*/
public function getConfig($key = null)
{
if($key && array_key_exists($key, $this->arrayConfig))
{
return $this->arrayConfig[$key];
}
else
{
return $this->arrayConfig;
}
}
/**
* 注入单个变量
*/
public function assign($key, $value)
{
$this->value[$key] = $value;
}
/**
* 注入数组变量
*/
public function assignArray($array)
{
if(is_array($array))
{
foreach ($array as $k => $v) {
$this->value[$k] = $v;
}
}
}
/**
* 获取模板的位置
* @return [type] [description]
*/
public function path()
{
return $this->arrayConfig['templateDir'].$this->file.$this->arrayConfig['suffix'];
}
/**
* 判断配置文件是否要求缓存
*/
public function needCache()
{
return $this->arrayConfig['cache_html'];
}
/**
* 判断是否需要缓存
*/
public function reCache($file)
{
$flag = false;
$cacheFile = $this->arrayConfig['compileDir'].md5($file).$this->arrayConfig['suffix_cache'];
if($this->arrayConfig['cache_html'] === true)
{
//需要缓存
$timeFlag = (time() - @filemtime($cacheFile)) < $this->arrayConfig['cache_time'] "<br/>", '-------------------- debug_info--------------', "<br/>";
echo '程序运行日期:', date("Y-m-d h:i:s"), "<br/>";
echo '模板解析耗时:', $this->debug['spend'], '秒', "<br/>";
echo '模板包含标签数目:', $this->debug['count'], "<br/>";
echo '是否使用静态缓存:', $this->debug['cached'], "<br/>";
echo '模板引擎实例参数:', var_dump($this->getConfig());
}
}
/**
* 清楚缓存的html文件
* @return [type] [description]
*/
public function clean()
{
if($path === null)
{
$path = $this->arrayConfig['compileDir'];
$path = glob($path.'* '.$this->arrayConfig['suffix_cache']);
}
else
{
$path = $this->arrayConfig['compileDir'].md5($path).$this->arrayConfig['suffix_cache'];
}
foreach ((array)$path as $v) {
unlink($v);
}
}
}
test.php
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希望本文所述对大家PHP程序设计有所帮助。
标签:
PHP,模版引擎
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