<form method="post" id="upfrm" action="UPDATE_ACTION">
<input id="oldPwd" type="text" />
<input id="newPwd" type="text" />
<input type="button" value="提交" onclick="update();"/>
</form>
.js--------------------------------------
function update(){
var options = {
dataType: 'json',
iframe:
false,
success: function(data) {
if(data.success){
alert("修改成功！");
}else{
alert(data.errors.errmsg);
}
}
};
$.ajaxSetup({contentType:'application/x-www-form-urlencoded;charset=utf-8'});
$('#upfrm').ajaxSubmit(options);
}