简单例子:{if $info=="common"}
需求1
{elseif $info=="discount"}
需求2
{elseif $info=="free"}
需求3
{elseif $info=="limited"}
需求4
{else}
.......
{/if}//$info是PHP传过来的变量
需求1
{elseif $info=="discount"}
需求2
{elseif $info=="free"}
需求3
{elseif $info=="limited"}
需求4
{else}
.......
{/if}//$info是PHP传过来的变量
而不用执行if里边的代码了,你那样的话,第一个if若不能执行则执行esleif这是有差别的!!!1
就是说我要在something中再加控制语句但前提是{if}被执行,如果{if}不被执行的话,将执行{else}的部分,而不再执行{if}里边的控制语句了!
something others
{if $smt_variable2 eq something2}
something 2
{/if}
{if $smt_variable3 eq something3}
something 3
{/if}
something others{else}
something xxxxx
{/if}
{if}
{if}abc{elseif}{/if}
{elseif}
{/if}
{if}
{if}abc{else}{/if}
{else}
{/if}
{if}abc{else}{/if}
{if}abc{else}{/if}
{if}abc{else}{/if}
。。
{else}
{/if}
例 7-11. 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}
怎么会不行呢
如:
{if $name eq "lawyu" or $name eq "carol"}
...
{/if}这些东西都支持:
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、==、!=、>、<、<=、>=