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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 擴展設(shè)置 II.模板設(shè)計者篇 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 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 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 第十七章.疑難解答 Smarty/PHP errors 第18章.使用技巧和經(jīng)驗 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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foreach,foreachelse

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Attribute Name Type Required Default Description
from string Yes n/a The name of the array you are looping through
item string Yes n/a The name of the variable that is the current element
key string No n/a The name of the variable that is the current key
name string No n/a The name of the foreach loop for accessing foreach properties

屬性 類型 是否必須 缺省值 描述
from string Yes n/a 待循環(huán)數(shù)組的名稱
item string Yes n/a 當(dāng)前處理元素的變量名稱
key string No n/a

當(dāng)前處理元素的鍵名
name string No n/a 該循環(huán)的名稱，用于訪問該循環(huán)

foreach loops are an alternative to section loops. foreach is used to loop over a single associative array. The syntax for foreach is much easier than section , but as a tradeoff it can only be used for a single array. foreach tags must be paired with /foreach tags. Required parameters are from and item . The name of the foreach loop can be anything you like, made up of letters, numbers and underscores. foreach loops can be nested, and the nested foreach names must be unique from each other. The from variable (usually an array of values) determines the number of times foreach will loop. foreachelse is executed when there are no values in the from variable.

foreach 是除 section 之外處理循環(huán)的另一種方案(根據(jù)不同需要選擇不同的方案).
foreach 用于處理簡單數(shù)組(數(shù)組中的元素的類型一致)，它的格式比 section 簡單許多，缺點是只能處理簡單數(shù)組.
foreach 必須和 /foreach 成對使用，且必須指定 from 和 item 屬性.
name 屬性可以任意指定(字母、數(shù)字和下劃線的組合).
foreach 可以嵌套，但必須保證嵌套中的 foreach 名稱唯一.
from 屬性(通常是數(shù)組)決定循環(huán)的次數(shù).
foreachelse 語句在 from 變量沒有值的時候被執(zhí)行.

Example 7-4. foreach
例 7-4. foreach 演示 

{* this example will print out all the values of the $custid array *}
{* 該例將輸出數(shù)組 $custid 中的所有元素的值 *}
{foreach from=$custid item=curr_id}
	id: {$curr_id}<br>
{/foreach}

OUTPUT:

id: 1000<br>
id: 1001<br>
id: 1002<br>

Example 7-5. foreach key
例 7-5. foreach 鍵的演示 

{* The key contains the key for each looped value

assignment looks like this:

$smarty->assign("contacts", array(array("phone" => "1", "fax" => "2", "cell" => "3"),
 array("phone" => "555-4444", "fax" => "555-3333", "cell" => "760-1234")));
*}
{* 鍵就是數(shù)組的下標(biāo)，請參看關(guān)于數(shù)組的解釋 *}

{foreach name=outer item=contact from=$contacts}
 {foreach key=key item=item from=$contact}
 {$key}: {$item}<br>
 {/foreach}
{/foreach}

OUTPUT:

phone: 1<br>
fax: 2<br>
cell: 3<br>
phone: 555-4444<br>
fax: 555-3333<br>
cell: 760-1234<br>

Foreach-loops also have their own variables that handle foreach properties. These are indicated like so: {$smarty.foreach.foreachname.varname} with foreachname being the name specified as the name attribute of foreach

foreach 循環(huán)有自己的變量名，使用該變量名可以訪問該循環(huán). 使用方法為{$smarty.foreach.foreachname.varname}，其中 foreachname 即在 foreach 中指定的 name 屬性.

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