Smarty中常用变量操作符汇总

本文汇总了Smarty中常用变量操作符，分享给大家供大家参考。具体如下：

PHP模板引擎smarty的变量操作符可用于操作变量,自定义函数和字符。 语法中使用"|"应用变量操作符，多个参数用":"??指簟?/DIV>

capitalize[首字母大写] count_characters[计算字符数] cat[连接字符串] count_paragraphs[计算段落数] count_sentences[计算句数] count_words[计算词数] date_format[时间格式] default[默认] escape[转码] indent[缩进] lower[小写 ] nl2br[换行符替换成
] regex_replace[正则替换] replace[替换] spacify[插空] string_format[字符串格式化] strip[去除(多余空格)] strip_tags[去除html标签] truncate[截取] upper[大写] wordwrap[行宽约束] 组合使用多个操作符

实例如下：

代码如下:

标题大写 *}

{$title|upper}

{* 取其前40个字符 *} Topic: {$topic|truncate:40:"..."} {* 格式化文字串 *} {"Now"|date_format:"%Y/%m/%d"} {* 在自定义函数里应用调节器 *} {mailto|upper address="[e-mail]"} capitalize(首字母大写)

index.PHP页面如下:

代码如下:

assign('articleTitle','Police begin campaign to rundown jaywalkers.'); $smarty->display('index.tpl');

index.tpl页面如下:

代码如下:

OUTPUT输出如下:

代码如下:

count_characters(计算变量里的字符数)

index.PHP如下:

代码如下:

assign('articleTitle','Cold Wave Linked to Temperatures.'); $smarty->display('index.tpl');

index.tpl页面如下:

代码如下:

aracters}

OUTPUT输出如下:

Cold Wave Linked to Temperatures.

cat(连接字符串) 将cat里的值连接到给定的变量后面 index.PHP如下:

代码如下:

assign('articleTitle','Psychics predict world didn't end'); $smarty->display('index.tpl');

index.tpl页面如下:

代码如下:

OUTPUT输出如下:

代码如下:

count_paragraphs(计算段数) 计算变量里的段落数量 index.PHP如下:

代码如下:

assign('articleTitle','War Dims Hope for Peace. Child's Death Ruins Couple's Holiday.'); $smarty->display('index.tpl');

index.tpl模板页面如下:

代码如下:

aragraphs}

OUTPUT输出如下:

代码如下:

ims Hope for Peace. Child's Death Ruins Couple's Holiday.

Man is Fatally Slain. Death Causes Loneliness,Feeling of Isolation. 2

count_sentences(计算句数) 计算变量里句子的数量 index.PHP如下:

代码如下:

assign('articleTitle','Two Soviet Ships Collide - One Dies. Enraged Cow Injures Farmer with Axe.'); $smarty->display('index.tpl');

index.tpl模板如下:

代码如下:

OUTPUT输出如下:

代码如下:

count_words(计算词数) 计算变量里的词数 index.PHP如下:

代码如下:

assign('articleTitle','Dealers Will Hear Car Talk at Noon.'); $smarty->display('index.tpl');

index.tpl模板如下:

代码如下:

OUTPUT输出如下:

代码如下:

date_format(日期格式) Parameter Position 参数位置 Type required Default Description 1 string No %b %e,%Y This is the format for the outputted date. 输出字串的格式 2 string No n/a This is the default date if the input is empty. 输入为空时的默认设置 在给定的函数serftime();里格式日期和时间. Unix或者MysqL等的时间戳(parsable by strtotime)都可以传递到smarty. 设计者可以使用date_format完全控制日期格式. 如果传给date_format的数据是空的,将使用第二个参数作为时间格式 index.PHP如下:

代码如下:

assign('yesterday',strtotime('-1 day')); $smarty->display('index.tpl');

index.tpl:

代码如下:

Now|date_format} {$smarty.Now|date_format:"%A,%B %e,%Y"} {$smarty.Now|date_format:"%H:%M:%s"} {$yesterday|date_format} {$yesterday|date_format:"%A,%Y"} {$yesterday|date_format:"%H:%M:%s"}

OUTPUT输出如下:

代码如下:

默认) Parameter Position Type required Default Description 1 string No empty This is the default value to output if the variable is empty.

这是变量为空的时候的默认输出 为空变量设置一个默认值. 当变量为空或者未分配的时候,将由给定的默认值替代输出. index.PHP如下:

代码如下:

assign('articleTitle','Dealers Will Hear Car Talk at Noon.'); $smarty->display('index.tpl');

index.tpl模板:

代码如下:

OUTPUT输出:

代码如下:

escape(转码) Parameter Position Type required Possible Values Default Description 1 string No html,htmlall,url,quotes,hex,hexentity,javascript html This is the escape format to use. 用于html转码,url转码,在没有转码的变量上转换单引号,十六进制转码,十六进制美化,或者javascript转码. 默认是html转码 index.PHP如下:

<div class="codetitle"><a style="CURSOR: pointer" data="18741" class="copybut" id="copybut18741" onclick="doCopy('code18741')"> 代码如下:

<div class="codebody" id="code18741">$smarty = new Smarty;
$smarty->assign('articleTitle',"'Stiff Opposition Expected to Casketless Funeral Plan'");
$smarty->display('index.tpl');

index.tpl模板:

<div class="codetitle"><a style="CURSOR: pointer" data="12996" class="copybut" id="copybut12996" onclick="doCopy('code12996')"> 代码如下:

<div class="codebody" id="code12996">{$articleTitle}
{$articleTitle|escape}
{$articleTitle|escape:"html"} { escapes & " ' < > }
{$articleTitle|escape:"htmlall"} { escapes ALL html entities }
{$articleTitle|escape:"url"}
{$articleTitle|escape:"quotes"}
<a
href="{$EmailAddress|escape:"hexentity"}mailto:{$EmailAddress|escape:"hex"}">{$EmailAddress|escape:"hexentity"}

OUTPUT输出:

<div class="codetitle"><a style="CURSOR: pointer" data="56790" class="copybut" id="copybut56790" onclick="doCopy('code56790')"> 代码如下:

<div class="codebody" id="code56790">'Stiff Opposition Expected to Casketless Funeral Plan'
'Stiff%20Opposition%20Expected%20to%20Casketless%20Funeral%20Plan'
'Stiff%20Opposition%20Expected%20to%20Casketless%20Funeral%20Plan'
'Stiff%20Opposition%20Expected%20to%20Casketless%20Funeral%20Plan'
'Stiff+Opposition+Expected+to+Casketless+Funeral+Plan'
'Stiff Opposition Expected to Casketless Funeral Plan'
<a
href="[e-mail]:%62%6f%62%40%6d%65%2e%6e%65%74">[e-mail]

indent(缩进)
Parameter Position Type Required Default Description
1 integer No 4 This determines how many characters to indent to.
2 string No (one space) This is the character used to indent with.
在每行缩进字符串,默认是4个字符(pear标准也是).
作为可选参数,你可以指定缩进字符数.
作为第二个可选参数,你可以指定缩进用什么字符代替
index.php如下:

<div class="codetitle"><a style="CURSOR: pointer" data="98851" class="copybut" id="copybut98851" onclick="doCopy('code98851')"> 代码如下:

<div class="codebody" id="code98851">$smarty = new Smarty;
$smarty->assign('articleTitle','NJ judge to rule on nude beach.');
$smarty->display('index.tpl');

index.tpl模板:

<div class="codetitle"><a style="CURSOR: pointer" data="46108" class="copybut" id="copybut46108" onclick="doCopy('code46108')"> 代码如下:

<div class="codebody" id="code46108">{$articleTitle}

{$articleTitle|indent}

{$articleTitle|indent:10}

{$articleTitle|indent:1:"t"}

OUTPUT输出:

<div class="codetitle"><a style="CURSOR: pointer" data="57453" class="copybut" id="copybut57453" onclick="doCopy('code57453')"> 代码如下: