表单元素值获取方式js及java方式的简单实例

<form action="input.do" name="formkk"> 
  <table> 
<tbody> 
  <tr> 
 
<td>text:</td> 
<td> 
  <input type="text" name="text"> 
</td> 
  </tr> 
  <tr> 
 
<td>password:</td> 
<td> 
  <input type="password" name="pass"> 
</td> 
  </tr> 
  <tr> 
 
<td>radio:</td> 
<td> 
  <input type="radio" name="xingbie" value="1"> 
  男 
  <input type="radio" name="xingbie" value="2"> 
  女 
</td> 
  </tr> 
  <tr> 
<td>checkbox:</td> 
<td> 
  足球:<input type="checkbox" name="hobby" value="1" /> 
  篮球:<input type="checkbox" name="hobby" value="2" /> 
  拍球:<input type="checkbox" name="hobby" value="3" /> 
  斗球:<input type="checkbox" name="hobby" value="4" /> 
</td> 
  </tr> 
  <tr> 
<td>hidden:</td> 
<td> 
  <input type="hidden" value="123" name="hidden"/> 
</td> 
  </tr> 
  <tr> 
<td>option:</td> 
<td> 
  <select name="opt" id="opt"> 
  <option>1</option> 
  <option>2</option> 
  <option>3</option> 
  <option>4</option> 
  </select> 
   
</td> 
</tbody> 
  </table> 
  <input type="button" value="提交" onclick="javascript:check()"/> 
</form> 

function check(){ 
   
  var radio = document.getElementsByName("xingbie"); 
  var checkbox = document.getElementsByName("hobby"); 
  var select = document.getElementById("opt"); 
 
  //获取select标签 
  var index = select.selectedIndex; 
  var text = select.options[index].text; 
  var value = select.options[index].value; 
   
  //获取radio标签 
  for(var i=0;i<xingbie.length;i++){ 
if(xingbie.item(i).checked){ 
  var val = xingbie.item(i).getAttribute("value"); 
  break; 
} 
continue; 
  } 
  //获取checkbox标签 
  for(var i=0;i<hobbys.length;i++){ 
if(hobbys[i].checked){ 
  alert(hobbys[i].value); 
} 
continue; 
  } 
   
  //提交form表单 
  document.formkk.submit(); 
   
   
} 

String[] hobbys = request.getParameterValues("hobby"); //checkbox 
String text = request.getParameter("text"); //text 
String password = request.getParameter("password"); //password 
String xingbie = request.getParameter("xingbie");  //radio 
request.getParameter("hidden"); 
request.getParameter("opt");//select