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数学计算

变量值内可以直接进行数学计算。

Example 3.7. 数学计算例子


{$foo+1}

{$foo*$bar}

{* 更复杂的例子 *}

{$foo->bar-$bar[1]*$baz->foo->bar()-3*7}

{if ($foo+$bar.test%$baz*134232+10+$b+10)}

{$foo|truncate:"`$fooTruncCount/$barTruncFactor-1`"}

{assign var="foo" value="`$foo+$bar`"}

  

Note

虽然Smarty可以处理一些非常复杂的表达式和运算, 但最好还是保存模板的语法简洁,把焦点放在显示上。 如果你发现某部分模板代码过于复杂,一个好的方法是将这部分的代码放到插件或者修饰器内使用。

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