php开发之表单的插入和获取

1,表单的插入
表单的插入操作步骤如下:
a,在html的<body>…</body>标记中添加一个表单
b,在表单中添加表单元素
具体示例代码如下:

<form name ="form1" method = "post" enctype ="multipart/form-data" action ="index.php">
 <table width ="405" border ="1" cellpading ="1" cellspacing ="1" bordercolor ="#FFFFFF" bgcolor ="#999999">
  <tr bgcolor ="FFCC33">
   <td width ="103" height ="25" align ="right"> 姓名:</td>
   <td width ="144" height ="25">
    <input name ="user" type ="text" id ="user" size ="20" maxlength ="100">
   </td>
  </tr>
  <tr bgcolor ="#FFCC33">
   <td width ="103" height ="25" align ="right">性别:</td>
   <td height ="25" colspan ="2" align ="left">
    <input name ="sex" type ="radio" value ="男" checked><input name ="sex" type ="radio" value ="女"></td>
  </tr>
  <tr bgcolor ="#FFCC33">
   <td width ="103" height ="25" align ="right">密码:</td>
   <td width ="289" height ="25" colspan ="2" align ="left">
    <input name ="pwd" type ="password" id ="pwd" size ="20" maxlength ="100">
   </td>
  </tr>
  <tr bgcolor ="#FFCC33">
   <td height = "25" align ="right">爱好:</td>
   <td height ="25" colspan ="2" align ="left">
    <input name ="fond[]" type ="checkbox" id = "fond[]" value ="音乐">音乐
    <input name ="fond[]" type ="checkbox" id ="fond[]" value ="其他">其他
   </td>
  </tr>
  <tr bgcolor ="#FFCC33">
   <td height ="25" align ="right">写真</td>
   <td height ="25" colspan ="2">
    <input name ="phpto" type ="file" size ="20" maxlength ="1000" id ="photo">
   </td>
  </tr>
  <tr bgcolor ="#FFCC33">
   <td height ="25" align ="right">个人简介:</td>
   <td height ="25" colspan ="2">
   <textarea name ="intro" cols ="28" rows ="4" id ="intro"></textarea>
   </td>
  </tr>
  <tr bgcolor ="#FFCC33">
   <td height ="25" colspan ="3">
   <input name ="submit" type ="submit" value ="提交">
   <input name ="submit2" type ="reset" value ="重置">
   </td>
  </tr>
 </table>
</form>

运行结果如下:
技术分享

2,表单的获取

(1) 使用POST方法提交表单
应用POST方法时,只需要将<form>中表单的method属性设置为POST即可。
示例代码如下:
user.html文件代码如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
       "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" lang="en_US" xml:lang="en_US">
<!--
 * Created on 2015年3月24日
 *
 * To change the template for this generated file go to
 * Window - Preferences - PHPeclipse - PHP - Code Templates
-->
 <head>
  <title> </title>
 </head>
 <body>
 <form name ="form1" method ="post" enctype ="multipart/form-data" action ="index.php">
 <table width ="300" border ="0" cellpading ="0" cellspacing ="0">
  <tr>
  <td height ="30" align ="right">姓名:</td>
  <td height ="30">
  <input name ="userName" type ="text" size ="20">
  <input name ="submit" type ="submit" value ="提交">
  </td>
  </tr>
 </table>
</form>
 </body>
</html>

index.php的代码如下:

<?php
include("user.html");
$userName =$_POST["userName"];
echo $userName;
?>

运行结果如下:

技术分享
技术分享

可以看到表单上的数据已经通过post方法传递给了服务器。

(2)使用GET方法提交表单
GET方法是提交表单方法的默认方法,使用GET提交的参数会附加到url地址的后面,具体格式如下:
技术分享
在这里user.html文件还是用上面的,把form的method属性改为get就好了。
index.php的代码如下:

<?php
include("user.html");
$userName =$_GET["userName"];
echo $userName;
?>

运行结果如下:

技术分享
可以看到参数已经被附加到url的后面了。

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