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Smarty模板編譯引擎 序 I.開(kāi)始 第一章. 什么是Smarty? 第二章. 安裝 要求 基本安裝 擴(kuò)展設(shè)置 II.模板設(shè)計(jì)者篇 第三章.基本語(yǔ)法 注釋 函數(shù) 屬性 第四章.變量 從PHP分配的變量 Associative arrays Array indexes Objects 從配置文件讀取的變量 {$smarty}保留變量 Request variables {$smarty.now} {$smarty.const} {$smarty.capture} {$smarty.config} {$smarty.section} {$smarty.template} 第五章.變量調(diào)節(jié)器 capitalize count_characters cat count_paragraphs count_sentences count_words date_format default escape indent lower nl2br regex_replace replace spacify string_format strip strip_tags truncate upper wordwrap 第六章.組合修改器 第七章.內(nèi)建函數(shù) capture config_load foreach include include_php insert if ldelim literal php section index index_prev index_next iteration first last rownum loop show total strip 第八章.自定義函數(shù) assign counter cycle debug eval fetch html_checkboxes html_image html_options html_radios html_select_date html_select_time html_table math mailto popup_init popup textformat 第九章.配置文件 第十章.調(diào)試控制臺(tái) III.模板程序員篇 第十一章 常量 SMARTY_DIR 第十二章 變量 $template_dir $compile_dir $config_dir $plugins_dir $debugging $debug_tpl $debugging_ctrl $global_assign $undefined $autoload_filters $compile_check $force_compile $caching $cache_dir $cache_lifetime $cache_handler_func $cache_modified_check $config_overwrite $config_booleanize $config_read_hidden $config_fix_newlines $default_template_handler_func $php_handling $security $secure_dir $security_settings $trusted_dir $left_delimiter $right_delimiter $compiler_class $request_vars_order $compile_id $use_sub_dirs $default_modifiers $default_resource_type 第十三章.方法 append append_by_ref assign assign_by_ref clear_all_assign clear_all_cache clear_assign clear_cache clear_compiled_tpl clear_config config_load display fetch get_config_vars get_registered_object get_template_vars is_cached load_filter register_block register_compiler_function register_function register_modifier register_object register_outputfilter register_postfilter register_prefilter register_resource trigger_error template_exists unregister_block unregister_compiler_function unregister_function unregister_modifier unregister_object unregister_outputfilter unregister_postfilter unregister_prefilter unregister_resource 第十四章.緩存 Setting Up Caching Multiple Caches Per Page Cache Groups Controlling Cacheability of Plugins' Output 第十五章.高級(jí)特點(diǎn) Objects Prefilters Postfilters Output Filters Cache Handler Function Resources Templates from $template_dir Templates from any directory Templates from other sources Default template handler function 第十六章.以插件擴(kuò)展Smarty How Plugins Work Naming Conventions Writing Plugins Template Functions Modifiers Block Functions Compiler Functions Prefilters/Postfilters Output Filters Resources Inserts Ⅳ.高級(jí)特點(diǎn) 第十七章.疑難解答 Smarty/PHP errors 第18章.使用技巧和經(jīng)驗(yàn) Blank Variable Handling Default Variable Handling Passing variable title to header template Dates WAP/WML Componentized Templates Obfuscating E-mail Addresses 第十九章. 相關(guān)資源 第二十章. 漏洞
文字

Componentized Templates

組合的模板

This tip is a bit of a hack, but still a neat idea. Use at your own risk. ;-)

這項(xiàng)技巧有點(diǎn)普通，但是仍然是個(gè)不錯(cuò)的思想，如果要使用的話(huà)，自擔(dān)風(fēng)險(xiǎn)。;-)

Traditionally, programming templates into your applications goes as follows: First, you accumulate your variables within your PHP application, (maybe with database queries.) Then, you instantiate your Smarty object, assign the variables and display the template. So lets say for example we have a stock ticker on our template. We would collect the stock data in our application, then assign these variables in the template and display it. Now wouldn't it be nice if you could add this stock ticker to any application by merely including the template, and not worry about fetching the data up front?

傳統(tǒng)上，把模板編入你的應(yīng)用程序中步驟如下：首先，你累計(jì)一下你的PHP程序中的變量，（可能用到數(shù)據(jù)庫(kù)查詢(xún)。）然后，你實(shí)例化一個(gè)你的Smarty對(duì)象，給變量賦值并且輸出這個(gè)模板。因此，例如我們說(shuō)我們?cè)谖覀兊哪０謇镉幸粋€(gè)資源標(biāo)記。我們可以在我們的應(yīng)用程序中收集這些資源數(shù)據(jù)，然后給模板中的這些變量賦值并輸出?，F(xiàn)在如果你僅僅是通過(guò)包含這些模板就可以把資源標(biāo)記加入到任何一個(gè)應(yīng)用程序中不是很好嗎？

You can embed PHP into your templates with the {php}{/php} tags. With this, you can setup self contained templates with their own data structures for assigning their own variables. With the logic embedded like this, you can keep the template & logic together. This way no matter where the template source is coming from, it is always together as one component.

你可以通過(guò)使用{php}{/php}這兩個(gè)標(biāo)簽來(lái)在你的模板里嵌入PHP。這樣，你就能夠建立包含自身的使用自己的數(shù)據(jù)結(jié)構(gòu)的模板來(lái)給他們自身的變量賦值。通過(guò)像這樣邏輯的嵌入，你能夠把模板和邏輯性結(jié)合起來(lái)。這種方法使得模板不管源于何處總是像一個(gè)構(gòu)件一樣組合在一起。

Example 18-7. componentized template

例 18-7. 組合的模板 

{* Smarty *}

{php}

	// setup our function for fetching stock data
	function fetch_ticker($symbol,&$ticker_name,&$ticker_price) {
		// put logic here that fetches $ticker_name
		// and $ticker_price from some resource
	}

	// call the function
	fetch_ticker("YHOO",$ticker_name,$ticker_price);
	
	// assign template variables
 $this->assign("ticker_name",$ticker_name);
 $this->assign("ticker_price",$ticker_price);

{/php}

Stock Name: {$ticker_name} Stock Price: {$ticker_price}

As of Smarty 1.5.0, there is even a cleaner way. You can include php in your templates with the {include_php ...} tag. This way you can keep your PHP logic separated from the template logic. See the include_php function for more information.

就像Smarty 1.5.0，這里有一種更清晰的方法。你可以在你的模板里使用{include_php ...}這些標(biāo)簽來(lái)包含php。使用這種方法，你能夠保持PHP的邏輯性和模板的邏輯性分離。參照include_php 這個(gè)函數(shù)來(lái)獲得更多信息。

Example 18-8. componentized template with include_php

例 18-8. 使用include_php組合的模板 

load_ticker.php
---------------

<?php
	// setup our function for fetching stock data
	function fetch_ticker($symbol,&$ticker_name,&$ticker_price) {
		// put logic here that fetches $ticker_name
		// and $ticker_price from some resource
	}

	// call the function
	fetch_ticker("YHOO",$ticker_name,$ticker_price);
	
	// assign template variables
 $this->assign("ticker_name",$ticker_name);
 $this->assign("ticker_price",$ticker_price);
?>


index.tpl
---------

{* Smarty *}

{include_php file="load_ticker.php"}

Stock Name: {$ticker_name} Stock Price: {$ticker_price}
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