How to set up the arclist loop of Dedecms to determine the first li, then add fixed css, otherwise not add it?

How to set up the arclist loop of dedecms to determine the first li, then add fixed css, otherwise not add it?

This article mainly introduces the arclist loop of Dedecms. If it is judged to be the first li, then add fixed css, otherwise do not add it. It has certain reference value. If you are interested, Friends, you can refer to

Recommended learning:梦Weavercms

In the arclist loop of dedecms, determine if it is the first li, then add fixed css, Otherwise,

is not added. After testing, the same applies to the channel tag.

Writing is as follows:

The code is as follows:

{dede:arclist row=4 flag='p'} 
[field:global.autoindex/]
{/dede:arclist} [field:global name=autoindex runphp="yes"](@me==1)? @me="class=on":@me="";[/field:global]

The meaning of this sentence is that if the loop is the first one, add class=on, otherwise it is empty .

Note: There are two equal signs in the red part.

Attached channel judgment case

{dede:channel type='son' typeid='3'} 
[field:typename/]
 {/dede:channel}

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