jquery ajax实例之ajax json数据的无刷新异步传输

$('p.editInfo>a').bind('click',function(){
$('#edit_uid').val($(this).attr("uid"));
//alert($(this).attr("uid"));
var uid= $(this).attr("uid");
//alert(vote_content);
$.ajax({
type: 'get',
dataType: 'json',
url: 'user_edit.php',
data: 'uid='+ uid,
success:function(json){
$('#username').val(json.username); ////赋值给相对应的josn值
$('#mid_1').val(json.mid);
$('#new_password').val(json.password);
$('#uid_edit').val(json.uid);
},
error:function(){}
});
});
});

$uid = $_GET['uid'];
$query_admin_1 = $db->find("表 where uid= '$uid' ");
$row_admin_1 = $db->fetch_array($query_admin_1);
$userinfo = json_encode($row_admin_1);
echo $userinfo;