模板 -- 变量
Smarty有几种不同类型的变量.
变量 的类型取决于它的前缀是什么符号(或者被什么符号包围)
Smarty的变量可以直接被输出或者作为函数属性和修饰符（modifiers）的参数,或者用于内部的条件表达式等等.
如果要输出一个变量,只要用定界符将它括起来就可以.例如:
{$Name}
{$Contacts[row].Phone}
<body bgcolor="{#bgcolor#}">
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从PHP分配的变量
- Table of Contents[内容列表]
- Associative arrays[关联数组]
- Array indexes[数组下标]
- Objects[对象]
Variables that are assigned from PHP are referenced by preceding them with a dollar sign $.
Variables assigned from within the template with the assign function are also displayed this way.
调用从PHP分配的变量需在前加"$"符号.（译注：同php一样）
调用模板内的assign函数分配的变量也是这样.（译注：也是用$加变量名来调用）
Smarty手册范例 4-1.分配的变量
index.php:
$smarty = new Smarty;
$smarty->assign('firstname', 'Doug');
$smarty->assign('lastLoginDate', 'January 11th, 2001');
$smarty->display('index.tpl');
index.tpl:
Hello {$firstname}, glad to see you could make it.
<p>
Your last login was on {$lastLoginDate}.
输出结果：
Hello Doug, glad to see you could make it.
<p>
Your last login was on January 11th, 2001.
保留变量
- Table of Contents
- Request variables[页面请求变量](译注：就是get,post,server,session等变量)
- {$smarty.now}
- {$smarty.const}
- {$smarty.capture}
- {$smarty.config}
- {$smarty.section}, {$smarty.foreach}
- {$smarty.template}
The reserved {$smarty} variable can be used to access several special template variables. The full list of them follows.
{$smarty}保留变量可以被用于访问一些特殊的模板变量.
以下是全部列表:
Request variables
The request variables such as get, post, cookies, server, environment, and session variables can be accessed as demonstrated in the examples below:
Example 4-6. displaying request variables
{* display value of page from URL (GET) http://www.domain.com/index.php?page=foo *}
{$smarty.get.page}
{* display the variable "page" from a form (POST) *}
{$smarty.post.page}
{* display the value of the cookie "username" *}
{$smarty.cookies.username}
{* display the server variable "SERVER_NAME" *}
{$smarty.server.SERVER_NAME}
{* display the system environment variable "PATH" *}
{$smarty.env.PATH}
{* display the php session variable "id" *}
{$smarty.session.id}
{* display the variable "username" from merged get/post/cookies/server/env *}
{$smarty.request.username}
{$smarty.now}
The current timestamp can be accessed with {$smarty.now}. The number reflects the number of seconds passed since the so-called Epoch (January 1, 1970) and can be passed directly to date_format modifier for display purposes.
{$smarty.const}
You can access PHP constant values directly.
{$smarty.capture}
The output captured via {capture}..{/capture} construct can be accessed using {$smarty} variable. See section on capture for an example.
{$smarty.config}
{$smarty} variable can be used to refer to loaded config variables. {$smarty.config.foo} is a synonym for {#foo#}. See the section on config_load for an example.
{$smarty.section}, {$smarty.foreach}
{$smarty} variable can be used to refer to 'section' and 'foreach' loop properties. See docs for section and foreach.
{$smarty.template}
This variable contains the name of the current template being processed.
