AJAX相关 -- 我的记录

<div id ="loading" style ="position: absolute;top: 30%;left: 50%;z-index: 1; display :none ">
   <img src ="../res/img/loading.gif" />
</div>


    function delSheetUser() {
        if (confirm('确定删除?')) {
            $("#loading").show();
            return true;
        }
        else {
            return false;
        }
    }

 

HandelPage.cs
----------------------------------------------------------------------
    protected void Page_Load(object sender, EventArgs e)
    {
        string cmd = Request.QueryString["cmd"];
        string userName = Request.QueryString["user"];
        string result = string.Empty;

        switch (cmd)
        {
            case "add":
                ConcernUser(userName);
                break;
            case "del":
                DeleteConcernUser(userName);
                break;
            default:
                result = GetConcernEvents(userName);
                break;
        }

        Response.Clear();
        Response.Write(result);
        Response.End();
    }


DemoPage.cs  需定时刷新的页面
-------------------------------------------------------------
    //系统设置的刷新时间间隔
    protected int RefreshInterval
    {
        get
        {
            if (string.IsNullOrEmpty(ConfigurationManager.AppSettings["Botwave.EasyIT.Concern.RefreshInterval"]))
                return 1000 * 60;
            else
                return int.Parse(ConfigurationManager.AppSettings["Botwave.EasyIT.Concern.RefreshInterval"]) * 1000;
        }
    }

DeomPage.aspx
--------------------------------------------------------------
    //获取信息
    function getConcernEvent()
    {
        var url = '<%=this.ResolveUrl("HandelPage.aspx?") %>';
        $.get(url, {cmd:"get",user:"<%= CurrentUserName %>",t:new Date().getTime()}, changeConcernEvent);
    }
    
    //页面重加载
    function changeConcernEvent(data)
    {
        $("#ul_concern").empty();
        $("#ul_concern").append(data);
    }

    //定时刷新
    var interval = parseInt("<%=this.RefreshInterval %>");
    setInterval(getConcernEvent, interval);

    //初次加载
    getConcernEvent();

 

AjaxHandler.aspx
-------------------------------------------------------------
protected void Page_Load(object sender, EventArgs e)
{
    string cmd = Request.Form["cmd"];
    string result = "";
    switch (cmd)
    {
        case "getAppList":
            {
                string username = Request.Form["username"];
                result = GetAppList(username);
                break;
            }
    }

    Response.Clear();
    Response.Write(result);
    Response.End();
}

private string GetAppList(string UserName)
{
    StringBuilder builder = new StringBuilder();
    builder.append("*****")
    return builder.ToString();
}


js 控制
-------------------------------------------------------------------
function refreshAppList() {
    var currentUserName = 'parameter';
    $(".div1").html('<div class="nodata">Loading...</div>'); //提示加载
    $.post(
       'AjaxHandler.aspx',
       {
           cmd: 'getAppList',
           username: currentUserName
       },
       function(data) {
           $(".div1").html(data);   //Dom元素重新加载内容
       }
    );
}