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Home Backend Development PHP Tutorial 11行php+js 求改错

11行php+js 求改错

Jun 23, 2016 pm 01:54 PM

<script> <br /> function del(){ <br /> if (!confirm("您确定要删除这些记录吗?已提交记录将不能删除!")){ <br /> return; <br /> } <br /> document.location = "delete1.php?lmbs =<?php echo urlencode("主题管理"); ?>&id =<?php echo $array['id']; ?>"; <br /> } <br /> </script>




如果在document.location后加入百度网址,可以正常实现功能。
或许是js里套php哪里错了?


回复讨论(解决方案)

document.location = "delete1.php?lmbs= &id=";

amp什么意思不太懂,不过像一楼说的去掉以后,依然无法实现

1

<BODY><input type="button" value="删除" onclick="del()"></BODY><script>function del(){  if (!confirm("您确定要删除这些记录吗?已提交记录将不能删除!")){ return;  }  document.location = "http://baidu.com/"; }</script>

Copy after login
要这样 看到你想起了我以前 加油
建议你装个火狐 firebug js报错一下就看到了

首先确定页面跳转到delete1.php页面了吗

还有你说的“无法实现”是指什么?

按3楼说法,我把script部分放到了后,现在页面跳转到了delete1.php,但是delete1.php页面没有收到id

$array['id']有值? 输出一下。。

amp什么意思不太懂,不过像一楼说的去掉以后,依然无法实现



amp 是 & 这个符号的转义

location 只能跳转 不能传值
用 action

location 只能跳转 不能传值
用 action


function del(){
if (!confirm("您确定要删除这些记录吗?")){
return;
}
document.action = "delete1.php?lmbs=& id=";
}是这样么?
但是,点击删除。弹出对话框,按了“确定”之后就什么反应都没有了。

$array['id']有值? 输出一下。。


之前我有用过$select=mysql_query("select * from tb_content",$conn);
$array=mysql_fetch_array($selects);
刚才加了个echo输出了一下,每个帖子后都有id显示。

什么反应都没有指的是帖子没被删,应该没有转到delete1.php

什么反应都没有指的是帖子没被删,应该没有转到delete1.php


你在 delete1.php 中 print_r($_GET);
看看都有什么

print_r的结果:失败Array ( [lmbs] => 主题管理 [id] => )


发现lmbs的值传过来了,id没有

我先去考微生物了..我们选修课考试,真的谢谢大家,晚上我再回来研究

那就查看页面“源代码”在 document.location = "delete1.php?lmbs=&id="; 对应的部分都有些什么

那就查看页面“源代码”在 document.location = "delete1.php?lmbs=&id="; 对应的部分都有些什么


我在delete1.php里加了个if($_GET['id'])
显示的结果是没有id被get到

我先去考微生物了..我们选修课考试,真的谢谢大家,晚上我再回来研究



"微生物"....好牛~~ 能不能搞几个作宠物?

1

function del(){  if (!confirm("您确定要删除这些记录吗?已提交记录将不能删除!")){ return;  }  document.location = "delete1.php?lmbs=<?php echo urlencode("主题管理");?>&id=<?php echo $array['id'];?>";  }

Copy after login


逻辑问题,你的document.location最后得到字符串中的ID没有任何值。。。。

PHP 是服务器端的,JS是客户端的,你的id=明显的没有值。这里的id只能通过JS来获取

1

function del(){  if (!confirm("您确定要删除这些记录吗?已提交记录将不能删除!")){ return;  }else{//这里写点代码用JS来获取选中的ID,然后用","合并,作为字符串返回// document.location = "delete1.php?lmbs=<?=urlencode("主题管理")?>&id="+id;  } }

Copy after login






alert('delete1.php?lmbs=&id=";');
看对不对。

JS里的值只能通过JS来获取,你这些代码应该是通过ID要删除某条记录,你可以用jquery来写!
<script></script>
<script> <br /> $(document).ready(function(){ <br /> $("#delUserById").click(function del(){ <br /> var id = $(this).parent().find('#userId').val(); <br /> if (!confirm("您确定要删除这些记录吗?已提交记录将不能删除!")){ <br /> return; <br /> } <br /> document.location = "delete1.php?lmbs=<?php echo urlencode("主题管理");?>&id="+id; <br /> }); <br /> }); <br /> </script>




" />



注意导入jquery.js

上面发的还有些问题!
<script></script>
<script> <br /> $(document).ready(function(){ <br /> $("#delUserById").click(function(){ <br /> var id = $(this).parent().find('.userId').val(); <br /> alert(id); <br /> if (!confirm("您确定要删除这些记录吗?已提交记录将不能删除!")){ <br /> return; <br /> } <br /> document.location = "delete1.php?lmbs=<?php echo urlencode("主题管理");?>&id="+id; <br /> }); <br /> }); <br /> </script>




" />



只要你的$array['id']有值,应该可以获取了

[Quote=引用 14 楼 evan2916 的回复:]

我先去考微生物了..我们选修课考试,真的谢谢大家,晚上我再回来研究



"微生物"....好牛~~ 能不能搞几个作宠物?
哈哈,应该伴随我们很久了,而且数量可观。
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