<form action="someform.php" method="post"> 
<table width="541" border="0"> 
 <tr> 
 <td width="26%">姓名:</td> 
 <td width="74%"><input type="text" name="username" value="raymond" id="username"/></td> 
 </tr> 
 <tr> 
 <td>密碼:</td> 
 <td><input type="password" name="password" maxlength="10" id="password"/></td> 
 </tr> 
 <tr> 
 <td>年齡:</td> 
 <td> 
  <select name="age"> 
  <option value=">16">小于16</option> 
  <option value="16-30" selected>16-30</option> 
  <option value="31-50">31-50</option> 
  <option value="51-80">51-80</option> 
  </select> 
 </td> 
 </tr> 
 <tr> 
 <td valign="top">自我介紹:</td> 
 <td><textarea name="intro" rows="3" cols="50" id="intro">請(qǐng)輸入您的自我介紹</textarea></td> 
 </tr> 
 <tr> 
 <td><br /> 
體育愛(ài)好: </td> 
 <td><input type="radio" name="fave_sport" value="tennis" checked> 
網(wǎng)球 
 <input type="radio" name="fave_sport" value="football"> 
足球 
<input type="radio" name="fave_sport" value="baseball"> 
籃球 
<input type="radio" name="fave_sport" value="polo"> 
保齡球 </td> 
 </tr> 
 <tr> 
 <td> 開(kāi)發(fā)語(yǔ)言:</td> 
 <td><input name="from" type="hidden" id="from" value="注冊(cè)表單"> 
  <input type="checkbox" name="languages[]" value="php" checked id="languages[]"> 
php 
<input type="checkbox" name="languages[]" value="java" id="languages[]"> 
java 
<input type="checkbox" name="languages[]" value="perl" id="languages[]"> 
perl 
<input type="checkbox" name="languages[]" value="cpp" id="languages[]"> 
c++ 
<input type="checkbox" name="languages[]" value=".net" id="languages[]"> 
.NET 
<input type="checkbox" name="languages[]" value="delphi" id="languages[]"> 
delphi </td> 
 </tr> 
 <tr> 
 <td valign="top"><br> 
  <label> 開(kāi)發(fā)工具:</label></td> 
 <td><select name="develop_ide[]" size="5" multiple id="develop_ide[]"> 
  <option value="ZDE" selected>Zend Studio</option> 
  <option value="Eclipse">Eclipse</option> 
  <option value="Editplus">Editplus</option> 
  <option value="Ultraedit">Ultraedit</option> 
  <option value="Other">Other</option> 
  </select></td> 
 </tr> 
 <tr> 
 <td valign="top">&nbsp;</td> 
 <td><input type="submit" name="btn_submit" value="提交"/></td> 
 </tr> 
</table> 
</form> 

//通過(guò)判斷按鈕的變量名是否在$_POST中定義，如果有表示該表單已提交 
if(isset($_POST["btn_submit"])){ 
if (emptyempty($_POST['username'])){ 
echo "您沒(méi)有輸入用戶(hù)名"; 
exit(0); 
} 
if (emptyempty($_POST['password'])){ 
echo "您沒(méi)有輸入密碼: "; 
exit(0); 
} 
echo "您的用戶(hù)名： ".$_POST['user_name']." 
"; 
echo "您的密碼(明文)： ".$_POST['password']." 
"; 
echo "您的年齡： ".$_POST['age']." 
"; 
if (!emptyempty($_POST['languages'])){ 
echo "您選擇的語(yǔ)言為："; 
//處理用戶(hù)選擇興趣的checkbox按鈕產(chǎn)生的數(shù)組 
foreach ($_POST['languages'] as $lang){ 
echo $lang. " "; 
} 
} else { 
echo "您沒(méi)有輸入任何興趣愛(ài)好"; 
} 
if (!emptyempty($_POST['develop_ide'])){ 
echo "您使用的開(kāi)發(fā)工具為："; 
//處理用戶(hù)多選開(kāi)發(fā)工具菜單產(chǎn)生的數(shù)組 
foreach ($_POST['develop_ide'] as $ide){ 
echo $ide. " "; 
} 
} else { 
echo "您沒(méi)有選擇開(kāi)發(fā)工具"; 
} 
echo "您的自我介紹： ".nl2br($_POST['intro'])."<br />";//nl2br()，在字符串中的每個(gè)新行 (n) 之前插入 HTML 換行符 (<br />) 
"; 
echo "網(wǎng)頁(yè)隱藏值(通過(guò)hidden標(biāo)簽值傳遞)： ".$_POST['from']." 
"; 
} 
?>