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