PHP新手问题：首次进页面select全部数据，点击条件后按条件select数据库数据-PHP Tutorial-php.cn

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PHP新手问题：首次进页面select全部数据，点击条件后按条件select数据库数据

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Jun 23, 2016 pm 01:38 PM

各位新人请教个问题，我想做个页面，进去第一次的时候加载的是所有的数据库，然后点下菜单，重新加载原来的页面，但是传个条件给原来的查询语句，加载显示按条件筛选的数据，怎么做啊。

回复讨论(解决方案)

两次查询
第一次总的查询
第二次条件查询

中间再加一个select不同的选，不同的跳

问题是，我第一次查的话语句没条件限制的，然后进入页面把所有的数据都查出来了，然后我想点击下右侧的导航栏，点击一个栏目，我也获取了一个栏目对应的ID，然后在加载页面的时候，如何把这个SQL 的条件加进去查询啊？？

<?php$where="where 1=1";if(isset($_POST['seach'])){	if(!empty($_POST['name'])) $where.=" and name='$_POST[name]'";	if(!empty($_POST['age'])) $where.=" and age='$_POST[age]'";}$sql="select * from table {$where}";echo $sql;?><form action="" method="post"><input type="text" name="name" value="" /><input type="text" name="age" value="" /><input type="submit" name="seach" value="seach" /></form>

问下，如果是用超链接的话能够在本页面自己给自己传值吗？？？

<?php$where="where 1=1";if(isset($_GET['seach'])){    if(!empty($_GET['name'])) $where.=" and name='$_GET[name]'";    if(!empty($_GET['age'])) $where.=" and age='$_GET[age]'";}$sql="select * from table {$where}";echo $sql;?><a href="?seach=1&name=asd&age=22">asdad</a>

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