出现Notice: Undefined index:该如何处理

WBOY
Release: 2016-06-13 13:42:37
Original
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出现Notice: Undefined index:
我在searchroom.php中将值提交给selectroom.php进行处理,总是出现Notice: Undefined index:
searchroom.php
 


  Room Type:
 
 
  Room Price:
 
 
 
 

selectroom.php
 

  $roomtype=$_POST["selecttype"];
$roomprice= $_POST["pricerange"];
  echo $roomtype;

红色部分是出错的地方,我想知道为什么得不到$_POST["selecttype"]和$_POST["pricerange"]呢?
  echo $roomprice;
  ?>
 


------解决方案--------------------

------解决方案--------------------
必须的。
http://www.w3school.com.cn/tags/att_input_name.asp
------解决方案--------------------
在置顶的常见问题里有提到这是一个提示.

加上
if (isset($_POST['selecttype']))
$roomtype=$_POST["selecttype"];

另外如t5500所述修改.否则你取不到值
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