{if $smarty.section.outer.index is odd by 2}

test.tpl

 

1<table border=1>
2{section name=outer loop=$FirstName}
3{if $smarty.section.outer.index is odd by 3}
4 <tr bgcolor="#EFEFEF"><td>
5 {$smarty.section.outer.index}-{$smarty.section.outer.rownum} . {$FirstName[outer]} {$LastName[outer]}
6 </td></tr>
7{else}
8 <tr bgcolor="#FFFFFFF"><td>
9 {$smarty.section.outer.index}-{$smarty.section.outer.rownum} * {$FirstName[outer]} {$LastName[outer]}
10 </td></tr>
11{/if}
12{sectionelse}
13 none
14{/section}
15
16</table>

test.php

 

1<?php
2
3require 'lib/Smarty-2.6.11/libs/Smarty.class.php';
4
5$smarty = new Smarty;
6
7//$smarty->compile_check = true;
8//$smarty->debugging = true;
9
10//$smarty->assign("hello","byby");
11$smarty->assign("FirstName",array("John","Mary","James","Henry","Tom","Hello"));
12
13$smarty->display('test.tpl');
14
15?>

index
index用来显示当前循环的指针,从0开始.
index_prev
用来显示前一次循环的指针,从-1开始
index_next
用来显示后一次循环的指针.

{if $smarty.section.outer.index is odd by 1}

0 -1 * John

1 -2 . Mary

2 -3 * James

3 -4 . Henry

4 -5 * Tom

5 -6 . Hello

0/1=0  非奇非偶，执行else项

1/1=1  奇数，执行if项

2/1=2  偶数，执行else项

3/1=3  奇数，执行if项

4/1=4 偶数，执行else项

5/1=5 奇数，执行if项

{if $smarty.section.outer.index is odd by 2}

0 -1 * John

1 -2 * Mary

2 -3 . James

3 -4 . Henry

4 -5 * Tom

5 -6 * Hello

0/2=0 非奇非偶，执行else项

1/2=0 非奇非偶，执行else项

2/2=1 奇数，执行if项

3/2=1 奇数，执行if项

4/2=2 偶数，执行else项

5/2=2 奇数，执行else项

{if $smarty.section.outer.index is odd by 3}

0 -1 * John

1 -2 * Mary

2 -3 * James

3 -4 . Henry

4 -5 . Tom

5 -6 . Hello

 

0/3=0 非奇非偶，执行else项

1/3=0 非奇非偶，执行else项

2/3=0  非奇非偶，执行else项

3/3=1 奇数，执行if项

4/3=1 奇数，执行if项

5/3=1 奇数，执行else项