<form id='addForm' action='UserAdd.action' type='post'>
   <label for='uname'>用戶名</label>：<input type='text' name='uname' id='uname'><br>
   <label for='mobileIpt'>手機(jī)號：</label><input type='text' name='mobileIpt' id='mobileIpt'><br>
   <label for='birthday'>生日：</label><input type='text' name='birthday'><br>
   <input type='button' value='提交' onclick='addUser()'>
</form>

function addUser(){
    var user = {
      uname:$("#uname").val(),
      mobileIpt:$("#mobileIpt").val(),
      birthday:$("#birthday").val()
    };
    $.ajax({
      url:'UserAdd.action',
      data:user,
      type:'post',
      dataType:'text',
      success:function(msg){
        if(msg=='1'){
          console.log('添加成功');
        }else{
          console.log('添加失敗')
        }
      }
       
    })
  } 

$('#addForm').serializeArray();
//返回數(shù)據(jù)結(jié)構(gòu)，是json數(shù)組，每個對像分別name和value為key，代表這個表單元素的name和value
[
  {"name":"uname","value":""},
  {"name":"mobileIpt","value":""},  
  {"name":"birthday","value":""}
]

var arr = $('#addForm').serializeArray();
$.param(arr);
"uname=alice&mobileIpt=110&birthday=1983-05-12"

$.param({uanme:'vic',mobileIpt:'110',birthday:'2013-11-11'});
"uanme=vic&mobileIpt=110&birthday=2013-11-11"

$.param([{uanme:'vic'},{mobileIpt:'110'},{birthday:'2013-11-11'}]);
"undefined=&undefined=&undefined="

//在ajax()方法中，對json類型的數(shù)據(jù)進(jìn)行了$.param()處理
if ( s.data && s.processData && typeof s.data !== "string" ) {
  s.data = jQuery.param( s.data, s.traditional );
}
//param方法中
if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
    // Serialize the form elements
    jQuery.each( a, function() {
      add( this.name, this.value );
    });
  } else {
    // If traditional, encode the "old" way (the way 1.3.2 or older
    // did it), otherwise encode params recursively.
    for ( prefix in a ) {
      buildParams( prefix, a[ prefix ], traditional, add );
    }
  }

"uname=alice&mobileIpt=110&birthday=1983-05-12"

{uanme:'vic',mobileIpt:'110',birthday:'2013-11-11'}

[
  {"name":"uname","value":"alice"},
  {"name":"mobileIpt","value":"110"},  
  {"name":"birthday","value":"2012-11-11"}
]