www.gusucode.com > XbPhp开发框架 v1.4.5PHP源码程序 > XbPhp开发框架 v1.4.5/xbphp/xbphp/XbPhp/view/view.php
<?php
/**
* 视图
* @author wave
*/
class view
{
//左边界符号
public $left_delimiter = LDELIMITER;
//右边界符号
public $right_delimiter = RDELIMITER;
//定义模版的后缀
public $suffix = SUFFIX;
//用来保存变量
public $_value = array();
//获取编译消耗时间
public $compile_time = null;
//要替换的符号
protected $replaced = array(
'sign'=>array('[',']','.',"'",'"'),
'foreach'=>array('as','=>')
);
public function __construct() {
//定义根目录
$this->root = ROOT.DS.APP_PATH.DS;
//判断是否开启smarty
if(SMARTY == 1) {
$this->_get_smarty();
}
}
/**
* 设置键值
* @param string $key 键
* @param string $value 值
*/
public function __set($key,$value) {
$this->{$key} = $value;
}
/**
* 毁消变量
* @param string $key 键
* @author wave
*/
public function __unset($key) {
unset($this->{$key});
}
/**
* 赋值变量
* @param String $key 定义模版变量
* @param String $value 要赋值给模版的变量
* @author wave
*/
public function assign($key,$val) {
if(isset($key) && !empty($key) && !empty($val)) {
$this->_value[$key] = $val;
}
}
/**
* 渲染模版
* @param Array $array 自定义模版变量
* @param string $templateFile 模版路径
* @author wave
*/
public function render($array = array(),$templateFile = null) {
$tmpfile = !empty($templateFile) ? $templateFile : $this->_get_action();
//模版文件路径
$file_path = $this->root.ROOT_VIEW.DS.$tmpfile.$this->suffix;
if(strpos($tmpfile, '.') !== false) {
$file_path = $this->root.ROOT_VIEW.DS.$tmpfile;
}
if(!file_exists($file_path)) {
load('404.tpl',ROOT_PATH.DS.ROOT_ERROR.DS.'tpl');
exit;
}
extract($array);
require $file_path;
}
/**
* layout渲染模版
* @param Array $array 自定义模版变量
* @param string $templateFile 模版路径
* @author wave
*/
public function renderLayout($array = array(),$templateFile = null) {
extract($array);
$file_path = $this->root.DS.'layout'.DS."index.php";
require $file_path;
}
/**
* 引入模版返回代碼
* @param Array $array 自定义模版变量
* @param string $templateFile 模版路径
* @return HTML
* @author wave
*/
public function renderHtml($array = array(),$templateFile = null) {
ob_start();
$this->render($array,$templateFile);
$content = ob_get_contents();
ob_clean();
return $content;
}
/**
* 引入模版
* @param String $templateFile 定义模版路径
* @author wave
*/
public function display($templateFile = null) {
$start_time = microtime(true); //获取开始时间
$path = $this->_compresFile($templateFile);
require $path;
$end_time = microtime(true); //获取结束时间
$this->compile_time = ' (display方法消耗了'.sprintf('%0.4f',($end_time - $start_time)).'秒)';
}
/**
* 编译文件
* @param string $templateFile 文件名
* @return string
* @author wave
*/
private function _compresFile($templateFile = null) {
$tmpfile = !empty($templateFile) ? $templateFile : $this->_get_action();
//编译文件路径
$tmp_path = $this->root.CACHE.DS.TEMPLATES;
$file_path = $this->root.ROOT_VIEW.DS.$tmpfile.$this->suffix;
//定义了文件路径
if(strpos($templateFile, '.') !== false) {
//模版文件路径
$file_path = $this->root.ROOT_VIEW.DS.$tmpfile;
}
if(file_exists($templateFile)) {
$file_path = $templateFile;
}
$tmp_name = 'xb_'.md5($tmpfile).'.php';
if(!file_exists($file_path)) {
load('404.tpl',ROOT_PATH.DS.ROOT_ERROR.DS.'tpl');
exit;
}
if(!file_exists($tmp_path)) {
mkdirs(DS.CACHE.DS.TEMPLATES);
}
$file_path_time = filemtime($file_path);
$tmp_path_time = 0;
//判断缓存文件是否存在
if(file_exists($tmp_path.DS.$tmp_name)) {
$tmp_path_time = filemtime($tmp_path.DS.$tmp_name);
}
//判断编译文件是否存在，或者模版文件修改时间小于编译文件修改的时间
if(!is_file($tmp_path.DS.$tmp_name) || ($file_path_time > $tmp_path_time))
{
$html = file_get_contents($file_path);
$html = $this->_include($html);
$html = $this->_if($html);
$html = $this->_foreach($html);
$html = $this->_echo($html);
$html = (COMPRESS == 1) ? $this->compress_html($html) : $html;
file_put_contents($tmp_path.DS.$tmp_name,$html);
}
return $tmp_path.DS.$tmp_name;
}
/**
* 替换输出
* 例子<{$a}>
* @param string $html 要替换的HTML
* @return resource
* @author wave
*/
private function _echo($html) {
$replaced = '/'.$this->left_delimiter.'\$(.*?)'.$this->right_delimiter.'/is';
if(preg_match_all($replaced,$html,$garr,PREG_SET_ORDER)) {
foreach($garr as $key => $val) {
if(isset($val['1'])) {
$val['1'] = str_replace($this->replaced['sign'],' ', $val['1']);
$v_arr = array_values(array_filter(explode(' ', $val['1'])));
$_str = null;
foreach($v_arr as $k => $v) {
if($k == 0) {
$_str .= '$this->_value["'.$v.'"]';
}else{
$_str .= '["'.$v.'"]';
}
}
$_str = '<?php echo '.$_str.'; ?>';
$html = str_replace($val['0'],$_str,$html);
}
}
}
return $html;
}
/**
* 替换引入函数
* 例子<{include file="路径加文件"}> 注意：路径带有模版变量则不编译该文件
* @param String $html 要替换的HTML
* @return HTML
* @author wave
*/
private function _include($html) {
//正则替换include函数
$preg_include = '/'.$this->left_delimiter.'include\s+file=\"(.*?)\"'.$this->right_delimiter.'/is';
if(preg_match_all($preg_include,$html,$arr,PREG_SET_ORDER)) {
foreach($arr as $key => $val) {
$blooen = 0; //判断是否有加入模版变量
$_str = ''; //要保存的字符串
$val['1'] = $this->_replace_arr(
array($this->left_delimiter,$this->right_delimiter),
' ',
$val['1']
);
foreach($val['1'] as $v) {
$_val = '';
if(strpos($v,'$')!== false) {
$blooen = 1;
if(strpos($v,'[') !==false) {
$_val = substr($v,strpos($v,'$')+strlen('$'),strpos($v,'$')+strpos($v,'[')-strlen('['));
$_str .= '$this->_value["'.$_val.'"]';
$_val = substr($v,strpos($v,'$')+strpos($v,'['));
$_str .= $_val.".";
}else {
$_val = substr($v,strpos($v,'$')+strlen('$'));
$_str .= '$this->_value["'.$_val.'"].';
}
}else {
$_str .= '"'.$v.'".';
}
}
if(empty($blooen)) { //没有模版变量
$path_str = str_replace('\\','/',$this->_compresFile(str_replace(array('"',"'"),'',rtrim($_str,'.'))));
$_str = '<?php include "'.$path_str.'"; ?>';
$html = str_replace($val['0'],$_str,$html);
}else { //引入的模版变量
$_str = '<?php include '.rtrim($_str,'.').'; ?>';
$html = str_replace($val['0'],$_str,$html);
}
}
}
return $html;
}
/**
* 模版标签forach[支持嵌套,与smarty写法差多]
* <{foreach $list as $k=>$v}><{$k}>---<{$v}><{/foreach}>
* @param string $html 要替换的HTML的代码
* @return HTML
* @author wave
*/
private function _foreach($html) {
$preg = '/'.$this->left_delimiter.'foreach (.*?)'.$this->right_delimiter.'/is';
if(preg_match_all($preg,$html,$arr,PREG_SET_ORDER)) {
foreach($arr as $key => $val) {
$_str = '';
$val['1'] = $this->_replace_arr(array('as','=>'),' ',$val['1']);
if(is_array($val['1'])) {
foreach($val['1'] as $k => $v) {
$_val = '';
if($k == 0) {
if(strpos($v,'$')!== false) {
if(strpos($v,'[') !==false) {
$_val = substr($v,strpos($v,'$')+strlen('$'),strpos($v,'$')+strpos($v,'[')-strlen('['));
$_str .= '$this->_value["'.$_val.'"]';
$_val = substr($v,strpos($v,'$')+strpos($v,'['));
$_str .= $_val."";
}else {
$_val = substr($v,strpos($v,'$')+strlen('$'));
$_str .= '$this->_value["'.$_val.'"]';
}
$_str .= ' as ';
}
}else {
$_val = substr($v,strpos($v,'$')+strlen('$'));
$_str .= '$this->_value["'.$_val.'"]';
$_str .= ' => ';
}
}
$_str ='<?php foreach( '.rtrim($_str,' => ').' ) { ?>';
$html = str_replace($val['0'],$_str,$html);
$html = str_replace('<{/foreach}>','<?php } ?>',$html);
}
}
}
return $html;
}
/**
* 替换IF语句[支持嵌套]
* 例子<{if $a == $b }>123<{else}>2323<{/if}>
* @param string $html 值
* @return HTML
* @return wave
*/
private function _if($html) {
$preg = '/'.$this->left_delimiter.'if\s+(.*?)\s*'.$this->right_delimiter.'(.*?)'.$this->left_delimiter.'\/if'.$this->right_delimiter.'/s';
if(preg_match_all($preg,$html,$garr,PREG_SET_ORDER)) {
$replace = array('=','>','<','!','|','&');
foreach($garr as $value) {
$rarr = $value['1'];
$value['1'] = $this->_replace_arr($replace,' ',$value['1'],' ');
foreach($value['1'] as $v) {
if(strpos($rarr,$v) !== false) {
$rarr = substr_replace($rarr,'',strpos($rarr,$v),strlen($v));
}
}
$rarr = $this->_replace_arr('','',$rarr,' ');
$conditions = null;
foreach($value['1'] as $key => $val) { //进行遍历拼接
$left_bracket = null; //左边括号
$right_bracket = null; //右边括号
if(strpos($val,'(') !== false) { //判断是否写了左边括号
$left_bracket = '(';
}
if(strpos($val,')') !== false) { //判断是否写了右边括号
$right_bracket = ')';
}
if(strpos($val,'$') !== false) {
$str = substr($val,1);
$v_arr = $this->_replace_arr($this->replaced['sign'],' ',$str,' ');
$_str = null;
foreach($v_arr as $k => $v) {
if($k == 0) {
$_str .= '$this->_value["'.$v.'"]';
}else{
$_str .= '["'.$v.'"]';
}
}
$val = str_replace($val,$left_bracket.$_str.$right_bracket,$val);
}
$conditions .= $val.' ';
if(isset($rarr[$key])) {
$conditions.= $rarr[$key].' ';
}
}
$value['2'] = str_replace($this->left_delimiter.'else'.$this->right_delimiter,'<?php }else { ?>',$value['2']);
$if = '<?php if('.$conditions.'){?>'.$value['2'].'<?php } ?>';
$html = str_replace($value['0'],$if,$html);
}
$html = $this->_if($html);
}
return $html;
}
/**
* 压缩html : 清除换行符,清除制表符,去掉注释标记
* @param $string
* @return 压缩后的$string
* */
protected function compress_html($string) {
$string = str_replace("\r\n", '', $string); //清除换行符
$string = str_replace("\n", '', $string); //清除换行符
$string = str_replace("\t", '', $string); //清除制表符
$pattern = array (
"/> *([^ ]*) *</", //去掉注释标记
"/[\s]+/",
"/<!--[^!]*-->/",
"/\" /",
"/ \"/",
"'/\*[^*]*\*/'"
);
$replace = array (
">\\1<",
" ",
"",
"\"",
"\"",
""
);
return preg_replace($pattern, $replace, $string);
}
/**
* 获取smarty模版引擎
* @author wave
*/
private function _get_smarty() {
load('Smarty.class.php','vendors/Smarty/libs');
$this->smarty = Xbphp::run_cache('Smarty');
$this->smarty->cache_dir = $this->root.CACHE.DS.TEMPLATES;
$this->smarty->template_dir = $this->root.ROOT_VIEW.DS;
$this->smarty->compile_dir = $this->root.CACHE.DS.TMP;
$this->smarty->left_delimiter = $this->left_delimiter;
$this->smarty->right_delimiter = $this->right_delimiter;
}
/**
* 替换截取字符
* @param Array or String $replaced 要替换的
* @param Array or String $replace 被替换的
* @param String $str 查找字符串
* @param String $explode 截取的字符串
* @return Array
* @author wave
*/
private function _replace_arr($replaced,$replace,$str,$explode =' ') {
if(!empty($replaced) && !empty($replace)) {
$str = str_replace($replaced, $replace, $str);
}
$arr = array_filter(explode($explode, $str));
$arr = array_values($arr);
return $arr;
}
/**
* 获取当前访问的方法
* @return String
* @author wave
*/
private function _get_action() {
$arr = Xbphp::getServerUrl();
if(!isset($arr['0'])) {
$arr['0'] = M_INDEX;
}
if(!isset($arr['1'])) {
$arr['1'] = A_INDEX;
}
if(isset($_GET[M]) && !empty($_GET[M])) {
$arr['0'] = $_GET[M];
}
if(isset($_GET[A]) && !empty($_GET[A])) {
$arr['1'] = $_GET[A];
}
return $arr['0'].DS.$arr['1'];
}
}