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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
Figuren

html_image

Attribute Name Type Required Default Description
file string Yes n/a name/path to image
border string No 0 size of border around image
height string No actual image height height to display image
width string No actual image width width to display image
basedir string no web server doc root directory to base relative paths from
alt string no "" alternative description of the image
href string no n/a href value to link the image to

屬性 類型 是否必須 缺省值 描述
file string Yes n/a 圖象文件的名稱或路徑
border string No 0 圖象邊框大小
height string No actual image height 顯示圖象高度
width string No actual image width 顯示圖象寬度
basedir string no web server doc root 圖象文件位置的相對路徑
alt string no "" 可選圖象描述(鼠標(biāo)指向圖象或圖象文件不存在時(shí)顯示的字符串信息)
href string no n/a 圖象鏈接到的地址

html_image is a custom function that generates an HTML tag for an image. The height and width are automatically calculated from the image file if none are supplied.

自定義函數(shù) html_image 產(chǎn)生一個(gè)圖象的 HTML 標(biāo)簽. 如果沒有提供高度和寬度值，將根據(jù)圖象的實(shí)際大小自動(dòng)取得.

basedir is the base directory that relative image paths are based from. If not given, the web server document root (env variable DOCUMENT_ROOT) is used as the base. If security is enabled, the path to the image must be within a secure directory.

basedir 是相對圖象路徑的基路徑. 如果沒有給出該屬性，將依據(jù)WEB服務(wù)器的根路徑(環(huán)境變量 DOCUMENT_ROOT)為準(zhǔn). 如果模板的安全設(shè)置打開了，圖象的位置必須位于為安全文件夾下.

href is the href value to link the image to. If link is supplied, an <a href="LINKVALUE"><a> tag is put around the image tag.

href 是圖象鏈接指向的位置. 如果設(shè)置了該屬性，圖象兩側(cè)將被加上超級鏈接標(biāo)簽，形成一個(gè)圖象鏈接.

Technical Note: html_image requires a hit to the disk to read the image and calculate the height and width. If you don't use template caching, it is generally better to avoid html_image and leave image tags static for optimal performance.

技術(shù)要點(diǎn): html_image 需要訪問磁盤以獲取圖象的尺寸. 如果不使用緩沖，為了優(yōu)化性能，一般情況下建議使用靜態(tài)圖象標(biāo)簽而避免使用 html_iamge.

Example 8-7. html_image
例 8-7. html_image 函數(shù)演示 

index.php:

require('Smarty.class.php');
$smarty = new Smarty;
$smarty->display('index.tpl');

index.tpl:

{html_image file="pumpkin.jpg"}
{html_image file="/path/from/docroot/pumpkin.jpg"}
{html_image file="../path/relative/to/currdir/pumpkin.jpg"}

OUTPUT: (possible)

<img src="pumpkin.jpg" alt="" border="0" width="44" height="68" />
<img src="/path/from/docroot/pumpkin.jpg" alt="" border="0" width="44" height="68" />
<img src="../path/relative/to/currdir/pumpkin.jpg" alt="" border="0" width="44" height="68" />
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