表单问题 真心弄懵了
就是寻常的表单提交 如下两个文件
form.php 中的表单:
<code><form method="post" action="echo.php"> <input type="text" name="username"><br> <input type="submit" value="提交"> </form></code>
echo.php 中输出:
echo $_POST['username'];
<code>为何报一直报这个提示: Notice: Undefined index: username in /Applications/XAMPP/xamppfiles/htdocs/form/echo.php on line 8</code>
难道表单不是这么写的么 这么简单 实在是想不通。。。。。???
还用我使用的是XAMMP 加PhpStorm 难道跟工具有关??
百度了很多 都是加个判断
<code>if(isset($_POST['username'])){ echo $_POST['username']; }</code>
这样肯定没Notice 但输出数据一样没有的。。
回复内容:
就是寻常的表单提交 如下两个文件
form.php 中的表单:
<code><form method="post" action="echo.php"> <input type="text" name="username"><br> <input type="submit" value="提交"> </form></code>
echo.php 中输出:
echo $_POST['username'];
<code>为何报一直报这个提示: Notice: Undefined index: username in /Applications/XAMPP/xamppfiles/htdocs/form/echo.php on line 8</code>
难道表单不是这么写的么 这么简单 实在是想不通。。。。。???
还用我使用的是XAMMP 加PhpStorm 难道跟工具有关??
百度了很多 都是加个判断
<code>if(isset($_POST['username'])){ echo $_POST['username']; }</code>
这样肯定没Notice 但输出数据一样没有的。。
设置一下 FORM 的 enctype 属性
http://www.w3school.com.cn/tags/att_form_enctype.asp
把username
换成其他的单词试试
你确定接受的php脚本是echo.php?
代码没问题,我跑了一遍,是可以的,初步猜测,可能的原因就是php的配置问题,你多塞几个input,在接收页面打印$_POST,估计post都接收不到,再改用get试下
直接先打印$_POST,看看接收的变量有哪些
感谢大家的回答,问题已经解决了 是我访问路径的问题 我访问到了localhost:63342/ 这个端口 访问了phpStorm中的web server 所有没用获取到数据 而我自己也开了Apache WebServer
只要把路径改成http://localhost/form/form.php即可。可能kumfo已经发现了问题所在 但我不知道怎么发文件结构 所有给他带来了困扰 。

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