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Smarty模板编译引擎序 I.开始第一章. 什么是Smarty?第二章. 安装要求基本安装扩展设置 II.模板设计者篇第三章.基本语法注释函数属性第四章.变量从PHP分配的变量 Associative arrays Array indexes Objects 从配置文件读取的变量 {$smarty}保留变量 Request variables {$smarty.now}{$smarty.const}{$smarty.capture}{$smarty.config}{$smarty.section}{$smarty.template}第五章.变量调节器 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.组合修改器第七章.内建函数 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.自定义函数 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.调试控制台 III.模板程序员篇第十一章常量 SMARTY_DIR 第十二章变量 $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.缓存 Setting Up Caching Multiple Caches Per Page Cache Groups Controlling Cacheability of Plugins' Output 第十五章.高级特点 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.以插件扩展Smarty How Plugins Work Naming Conventions Writing Plugins Template Functions Modifiers Block Functions Compiler Functions Prefilters/Postfilters Output Filters Resources Inserts Ⅳ.高级特点第十七章.疑难解答 Smarty/PHP errors 第18章.使用技巧和经验 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. 相关资源第二十章. 漏洞

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Passing variable title to header template

传递变量标题给头模板

When the majority of your templates use the same headers and footers, it is common to split those out into their own templates and include them. But what if the header needs to have a different title, depending on what page you are coming from? You can pass the title to the header when it is included.

当你的大多数模板文件用到了一些相同的头模板文件和脚模板文件，通常是把这些模板分开并且包含他们。但是如果头模板需要什么来使得显示一些不同的标题，取决于你用到的那些页面？你可以传递这些标题给头模板---当它们被包含的时候。

Example 18-3. Passing the title variable to the header template

例 18-3.传递变量标题给头模板

mainpage.tpl
------------

{include file="header.tpl" title="Main Page"}
{* template body goes here *}
{include file="footer.tpl"}


archives.tpl
------------

{config_load file="archive_page.conf"}
{include file="header.tpl" title=#archivePageTitle#}
{* template body goes here *}
{include file="footer.tpl"}


header.tpl
----------
<HTML>
<HEAD>
<TITLE>{$title|default:"BC News"}</TITLE>
</HEAD>
<BODY>


footer.tpl
----------
</BODY>
</HTML>

When the main page is drawn, the title of "Main Page" is passed to the header.tpl, and will subsequently be used as the title. When the archives page is drawn, the title will be "Archives". Notice in the archive example, we are using a variable from the archives_page.conf file instead of a hard coded variable. Also notice that "BC News" is printed if the $title variable is not set, using the default variable modifier.

当这个主页[main page]被浏览的时候，‘Main Page'这个标题就会传递给头模板文件[header.tpl]，并且结果会被用成为标题。当这个档案页[archives page]被浏览的时候，文件标题将会是‘Archives'。注意在这个档案页例子中，我们用了一个来自这个文件[archives_page.conf]的变量来代替一个硬性的代码变量。当然，要是变量[$title]没有初始化，我们会发现‘BC News'被输出----用那种使用默认值的变量的方法。

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