# 如何设置搜索框的限制字数

**URL:** <https://www.isharkfly.com/t/topic/5544>\
**Category:** PHP\
**Created:** [August 7, 2012, 2:20am UTC](https://www.isharkfly.com/t/topic/5544 "2012-08-07T02:20:59Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![honeymoose](https://www.isharkfly.com/user_avatar/www.isharkfly.com/honeymoose/32/20796_2.png) [@honeymoose](https://www.isharkfly.com/u/honeymoose)\
**Post date:** [August 7, 2012, 2:20am UTC](https://www.isharkfly.com/t/topic/5544/1 "2012-08-07T02:20:59Z")

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这个后台没有设置，直接在代码里面加入就可以了，找到搜索框的文件位置includes\templates\模板\sideboxes\tpl\_search.php 找到zen\_draw\_input\_field(‘keyword’, ‘’, 'maxlength=“18” 。修改size的值就可以了