<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>动态加载</title>
<style type="text/css">ul{ list-style:none;}li{border-bottom:1px dashed #79A7E2; margin-bottom:20px;} </style>
<script type="text/javascript" src="/js/jquery-1.7.1.min.js"></script>
<script type="text/javascript">
var _times;
var _loading;
var _pageindex;
$(function () {
_loading = $("#loading");
_times = setInterval("Comment()", 1000);
});
function load() {
_pageindex = $.trim(_loading.attr("pageindex"));
$.ajax({
type: "post",
dataType: "json",
async: false,
url: "/ajax/AjaxGroup.aspx",
data: { action: "getArea", "pageindex": _pageindex },
success: function (data) {
if (data == null) {
_loading.html("数据已读取完成");
clearInterval(_times);
} else {
var _l = data.length;
_loading.attr("pageindex", parseInt(_pageindex) + 1);
var _temp = "";
for (var i = 0; i < _l; i++) {
_temp += "<li>" + data[i]["name"] + "</li>";
}
if (_temp.length > 0) {
//$("#info").append(_temp);
$(_temp).insertBefore(_loading);
}
}
},
error: function (ee1, ee2, ee3) {
_loading.css("color", "red");
_loading.html("数据读取出错！");
}
});
}
function Comment() {
var top = document.documentElement.scrollTop + document.body.scrollTop;
var textheight = $(document).height();
if ((textheight - top - $(window).height()) < 100) { load(); }
}
</script>
</head>
<body>
<ul><li id="loading" style="color:Green;" pageindex="1"><img src="/images/loading.gif" alt="系统正在提取数据" />请稍后，系统正在提取数据。。。</li></ul>
<label>asdfasdfasfdasdf</label>
</body>
</html>
Util gjBll = new Util();
MySqlExecute mseBll = new MySqlExecute();
protected void Page_Load(object sender, EventArgs e)
{
string host = Request.UrlReferrer.Host;
if (string.Compare(host, Request.Url.Host) > 0)
{
return;
}
Response.Clear();
string action = gjBll.getFormString("action");
Type t = this.GetType();
MethodInfo m = t.GetMethod(action);
Response.Write(gjBll.getToString(m.Invoke(this, null)));
Response.End();
}
public string getArea()
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
int pageindex = gjBll.getFormInt("pageindex");
if (pageindex > 0)
{
DataTable dt = mseBll.GetList(150, pageindex, "", "", "select AreaName from TB_Area").Tables[2];
if (dt != null && dt.Rows.Count > 0)
{
foreach (DataRow dr in dt.Rows)
{
sb.Append(",{\"name\":\"" + dr["AreaName"] + "\"}");
}
if (sb.Length > 0)
{
return string.Format("[{0}]", sb.ToString().Substring(1));
}
}
}
return sb.ToString();
}
