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Customized min version of smarty template engine MinSmarty.class.php file and usage, smarty template engine_PHP tutorial
Customized min version of smarty template engine MinSmarty.class.php file and usage, smarty template engine_PHP tutorial
Jul 12, 2016 am 08:50 AM
自定義min版smarty模板引擎MinSmarty.class.php文件及用法，smarty模板引擎
本文實(shí)例講述了自定義的min版smarty模板引擎MinSmarty.class.php文件。分享給大家供大家參考，具體如下：
一、smarty的優(yōu)點(diǎn)
smarty是一個(gè)使用PHP寫出來(lái)的模板引擎，是目前業(yè)界最著名的PHP模板引擎之一。它分離了邏輯代碼和外在的內(nèi)容，提供了一種易于管理和使用的方法，用來(lái)將原本與HTML代碼混雜在一起PHP代碼邏輯分離。簡(jiǎn)單的講，目的就是要使PHP程序員同前端人員分離，使程序員改變程序的邏輯內(nèi)容不會(huì)影響到前端人員的頁(yè)面設(shè)計(jì)，前端人員重新修改頁(yè)面不會(huì)影響到程序的程序邏輯，這在多人合作的項(xiàng)目中顯的尤為重要。
二、寫一個(gè)簡(jiǎn)單的smarty模版類
具體代碼如下：
<?php
class MinSmarty{
// 模版文件的路徑
var $template_dir = "./templates/";
// 模版文件被替換后的文件 命名格式為com_對(duì)應(yīng)的tpl.php
var $complie_dir = "./templates_c/";
// 存放變量值
var $tpl_vars = array();
// 這里使用兩個(gè)方法實(shí)現(xiàn)assign 和 display
function assign($tpl_var,$var=NULL){
if($tpl_var!=NULL){
$this->tpl_vars[$tpl_var]=$var;
}
}
// 這里編寫display方法的實(shí)現(xiàn)
function display($tpl_file){
// 讀取這個(gè)模版文件->替換可以運(yùn)行的php文件(編譯后文件)
$tpl_file_path=$this->template_dir.$tpl_file; // 模版文件的路徑
$complie_file_path=$this->complie_dir."com_".$tpl_file.".php"; //編譯后的文件路徑
// 判斷文件是否存在
if(!file_exists($tpl_file_path)){
return false;
}
// 不讓每次執(zhí)行都生成編譯文件
if(!file_exists($complie_file_path) || filemtime($tpl_file_path)>filemtime($complie_file_path)){
$fp1_file_con=file_get_contents($tpl_file_path); // 獲取模版文件的全部?jī)?nèi)容
// 這里進(jìn)行正則替換把 模版文件中的代碼 {$title} 替換成 <?php echo $this->tpl_vars['title'];? >
$pattern=array(
'/\{\s*\$([a-zA-Z_][a-zA-Z0-9_]*)\s*\}/i'
);
$replace=array(
'<?php echo $this->tpl_vars["${1}"];?>'
);
$new_str=preg_replace($pattern,$replace,$fp1_file_con); // 替換后的內(nèi)容
file_put_contents($complie_file_path,$new_str); // 替換后的內(nèi)容生成一個(gè)php文件
}
// 引入編譯后的文件
include_once("$complie_file_path");
}
}
?>
下面的代碼是對(duì)該類的測(cè)試
intro.php代碼如下：
<?php
include_once("MySmarty.class.php");
$title="這里是標(biāo)題";
$content="這里是內(nèi)容111111";
$MySmarty=new MySmarty();
$MySmarty->assign("title",$title);
$MySmarty->assign("content",$content);
$MySmarty->display("intro.tpl");
?>
模版如下：
intro.tpl：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>{$title}</title>
</head>
<body>
{$content}
</body>
</html>
PS：這里推薦幾款本站的格式化/美化/轉(zhuǎn)換工具可以幫助你整理雜亂無(wú)章的代碼，相信大家在以后的開發(fā)中能夠用得上：
php代碼在線格式化美化工具：
http://tools.jb51.net/code/phpformat
JavaScript代碼美化/壓縮/格式化/加密工具：
http://tools.jb51.net/code/jscompress
在線XML格式化/壓縮工具：
http://tools.jb51.net/code/xmlformat
JSON代碼格式化美化工具：
http://tools.jb51.net/code/json
在線XML/JSON互相轉(zhuǎn)換工具：
http://tools.jb51.net/code/xmljson
json代碼在線格式化/美化/壓縮/編輯/轉(zhuǎn)換工具：
http://tools.jb51.net/code/jsoncodeformat
sql代碼在線格式化美化工具：
http://tools.jb51.net/code/sqlcodeformat
更多關(guān)于Smarty相關(guān)內(nèi)容感興趣的讀者可查看本站專題：《smarty模板入門基礎(chǔ)教程》、《PHP模板技術(shù)總結(jié)》、《PHP基于pdo操作數(shù)據(jù)庫(kù)技巧總結(jié)》、《PHP運(yùn)算與運(yùn)算符用法總結(jié)》、《PHP網(wǎng)絡(luò)編程技巧總結(jié)》、《PHP基本語(yǔ)法入門教程》、《php面向?qū)ο蟪绦蛟O(shè)計(jì)入門教程》、《php字符串(string)用法總結(jié)》、《php+mysql數(shù)據(jù)庫(kù)操作入門教程》及《php常見數(shù)據(jù)庫(kù)操作技巧匯總》
希望本文所述對(duì)大家基于smarty模板的PHP程序設(shè)計(jì)有所幫助。
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