表单的序列化ajax

 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <html>
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <title>Insert title here</title>
     <script type="text/javascript" src="../js/jquery-1.4.2.js"></script>
     <script type="text/javascript">
         $(document).ready(function(){
             $("#ajaxbutton").click(function(){
                 //表单序列化 他返回的是字符串
                 //var data = $("#form1").serialize();
                 //序列化成三个数据对象
                 var data = $("#form1").serializeArray();
                 alert(data);//alert:只能打印字符串，数字，并不能打印很全面信息
                 console.info(data);
                 //输出数组
                 for(var i=0;i<data.length;i++){
                     alert(data[i].name+" : "+data[i].value);
                 }
                 var option ={
                     "url" :"/jquery_day02/FormServlet",
                     "data":data,
                     "type":"POST",
                     "success":function(data){
                         //用于接受服务器响应的数据
                     }

                 };

                 $.ajax(option);
             });
         }); 

     </script>

 </head>
 <body>
     <h3>表单</h3>
     <form id="form1">
         <table border="1" >
             <tr id="tr1">
                 <td class=""><label>姓名</label></td>
                 <td><input type="text" name="username"  value="jack" /></td>
             </tr>
             <tr>
                 <td class=""><span>密码</span></td>
                 <td><input type="password" name="password" value="1234" /></td>
             </tr>
             <tr>
                 <td><input type="button"  value= "异步提交表单"  id="ajaxbutton"/></td>
             </tr>

         </table>
     </form>

     <h3>公告信息</h3>
     <div>
         未满18慎进
     </div>

 </body>
 </html>