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Smarty模板編譯引擎 序 I.開始 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
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Chapter 9. Config Files

第九章.配置文件

Config files are handy for designers to manage global template variables from one file. One example is template colors. Normally if you wanted to change the color scheme of an application, you would have to go through each and every template file and change the colors. With a config file, the colors can be kept in one place, and only one file needs to be updated.

配置文件有利于設(shè)計(jì)者管理文件中的模板全局變量。最簡(jiǎn)單的例子就是模板色彩變量。一般情況下你如果想改變一個(gè)程序的外觀色彩，你就必須通過去更改每一個(gè)文件的顏色變量。如果有這個(gè)配置文件的話，色彩變量就可以保存在一個(gè)地方，只要改變這個(gè)配置文件就可以實(shí)現(xiàn)你色彩的更新。

Example 9-1. Example of config file syntax

例 9-1 配置文件語法例子 

# global variables
pageTitle = "Main Menu"
bodyBgColor = #000000
tableBgColor = #000000
rowBgColor = #00ff00

[Customer]
pageTitle = "Customer Info"

[Login]
pageTitle = "Login"
focus = "username"
Intro = """This is a value that spans more
 than one line. you must enclose
			it in triple quotes."""

# hidden section
[.Database]
host=my.domain.com
db=ADDRESSBOOK
user=php-user
pass=foobar

Values of config file variables can be in quotes, but not necessary. You can use either single or double quotes. If you have a value that spans more than one line, enclose the entire value with triple quotes ("""). You can put comments into config files by any syntax that is not a valid config file syntax. We recommend using a # (hash) at the beginning of the line.

配置文件變量值能夠在引號(hào)中使用，但是沒有必要。你可以用單引號(hào)或者雙引號(hào)。如果你有一個(gè)不只在一個(gè)區(qū)域內(nèi)使用的變量值，你可以使用三引號(hào)(""")將它完整的封狀起來，可以把它們放金配置文件，只要沒有語法錯(cuò)誤。我們建議在程序行前使用 “#”加一些注釋信息來標(biāo)示。

This config file example has two sections. Section names are enclosed in brackets []. Section names can be arbitrary strings not containing [ or ] symbols. The four variables at the top are global variables, or variables not within a section. These variables are always loaded from the config file. If a particular section is loaded, then the global variables and the variables from that section are also loaded. If a variable exists both as a global and in a section, the section variable is used. If you name two variables the same within a section, the last one will be used.

上面關(guān)于配置文件的例子共有兩個(gè)部分。每部分的名稱都是用一個(gè)“[]”給括起來。每部分的名稱命名規(guī)則就是任意的字符串，只要不包括有符號(hào)“[”或者“]”。例子開頭的四個(gè)變量都是全局變量，也就是說不僅僅是可以在一個(gè)區(qū)域內(nèi)使用。這些變量總是從配置文件中載入。如果某個(gè)特定的局部變量已經(jīng)載入，這樣全局變量和局部變量都還可以載入。如果當(dāng)某個(gè)變量名既是全局變量又是局部變量時(shí)，局部變量將被優(yōu)先賦予值來使用。如果在一個(gè)局部中兩個(gè)變量名相同的話，最后一個(gè)將被賦值使用。

Config files are loaded into templates with the built-in function {config_load} .

配置文件是通過內(nèi)建函數(shù)載入到模板 { config load }

You can hide variables or entire sections by prepending the variable name or section name with a period. This is useful if your application reads the config files and gets sensitive data from them that the template engine does not need. If you have third parties doing template editing, you can be certain that they cannot read sensitive data from the config file by loading it into the template.

你可以在某個(gè)段時(shí)期通過預(yù)先想好的變量名或者局部名隱藏變量或者完整的一個(gè)節(jié)。當(dāng)你的應(yīng)用程序讀取配置文件和取得有用數(shù)據(jù)而不用讀取模板時(shí)這個(gè)非常有用，如果你有第三方來做模板編輯的話，可以肯定的說它們不能通過載入配置文件到模板而讀取到任何有用的數(shù)據(jù)。

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