ecshop中smarty比较操作符(eq,ne,neq)含义

词	义	说明
eq	等于	equal
ne,neq	不等于	not equal
gt	大于	greater than
lt	小于	less than
get,ge	大于等于	great than or equal
lte,le	小于等于	less than or equal
not	非
mod	取余
is [not] div	是否能被整除	$a is [not] div by $b即$a%$b==0
is [not] even	是否是偶数	$a is [not] even by $b即($a/$b)%2==0
is [not] odd	是否是奇数	$a is not odd by $b即($a / $b) % 2 != 0

Smarty 中的 if 语句和 php 中的 if 语句一样灵活易用，并增加了几个特性以适宜模板引擎，{if} 必须与 {/if} 成对出现，可以使用 else 和 elseif 子句， 可以使用以下条件修饰词：

eq、ne、neq、gt、lt、lte、le、gte、ge、is even、is odd、is not even、is not odd、not、mod、div by、even by、odd by、==、!=、>、<、<=、>=。

使用这些修饰词时必须和变量或常量用空格格开。

 

例. if 语句演示

 

{if $name eq "Fred"}

Welcome Sir.

{elseif $name eq "Wilma"}

Welcome Ma'am.

{else}

Welcome, whatever you are.

{/if}

 

{* an example with "or" logic *}

{if $name eq "Fred" or $name eq "Wilma"}

...

{/if}

 

{* same as above *}

{if $name == "Fred" || $name == "Wilma"}

...

{/if}

 

{* the following syntax will NOT work, conditional qualifiers

must be separated from surrounding elements by spaces *}

{if $name=="Fred" || $name=="Wilma"}

...

{/if}

 

 

{* parenthesis are allowed *}

{if ( $amount < 0 or $amount > 1000 ) and $volume >= #minVolAmt#}

...

{/if}

 

{* you can also embed php function calls *}

{if count($var) gt 0}

...

{/if}

 

{* test if values are even or odd *}

{if $var is even}

...

{/if}

{if $var is odd}

...

{/if}

{if $var is not odd}

...

{/if}

 

{* test if var is divisible by 4 *}

{if $var is div by 4}

...

{/if}

 

{* test if var is even, grouped by two. i.e.,

0=even, 1=even, 2=odd, 3=odd, 4=even, 5=even, etc. *}

{if $var is even by 2}

...

{/if}

 

{* 0=even, 1=even, 2=even, 3=odd, 4=odd, 5=odd, etc. *}

{if $var is even by 3}

...

{/if}