MongoDB +JSON+JQuery.Pagination+Linq 实现无刷新分页
MongoDB 下载:http://www.mongodb.org/
本实例中MongoDB的C#驱动，支持linq：https://github.com/samus/mongodb-csharp
MongoDB的基本配置可以参考：http://www.cnblogs.com/lipan/archive/2011/03/08/1966463.html
本实例中使用的MongoDB 版本是：mongodb-win32-i386-2.0.2-rc1.zip
samus 驱动版本:samus-mongodb-csharp-0.90.0.1-93-g6397a0f.zip
web前端：
View Code
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="JsonList.aspx.cs" Inherits="MongoDB_JsonList" %>
<!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 runat="server">
<title></title>
</head>
<link href="../css/pagination.css" rel="stylesheet" type="text/css" />
<body>
<form id="form1" runat="server">
<div>
<table id="tblData" width="80%" cellpadding="1" cellspacing="1" bgcolor="gray" style="text-align: center">
<tr>
<td>
NewsID
</td>
<td>
Title
</td>
<td>
SmallClassName
</td>
<td>
Author
</td>
<td>
UpdateTime
</td>
</tr>
</table>
<div id="Pagination">
</div>
</div>
</form>
</body>
</html>
<script src="../js/jquery-1.4.2.min.js" type="text/javascript"></script>
<script src="../js/jquery.pagination.js" type="text/javascript"></script>
<script language="javascript" type="text/javascript">
var pageIndex =0; //页索引
var pageSize =20; //每页显示的条数
$(function() {
Init(0);
$("#Pagination").pagination(<%=pageCount %>, {
callback: PageCallback,
prev_text: '上一页',
next_text: '下一页',
items_per_page: pageSize,
num_display_entries: 5,
current_page: pageIndex,
num_edge_entries: 1
});
function PageCallback(index, jq) {
Init(index);
}
});
function Init(pageIndex) {
$.ajax({
type: "POST",
dataType: "text",
url: 'JsonList.aspx',
data: "pageIndex=" + (pageIndex + 1) + "&pageSize=" + pageSize,
success: function(data) {
if(data!=""){
$("#tblData tr:gt(0)").remove();//移除所有的数据行
data=$.parseJSON(data);
$.each(data,function(index,news){
$("#tblData").append("<tr bgcolor='white'><td>"+news.NewsID+"</td><td algin='left'>"+news.Title+"</td><td>"+news.SmallClassName+"</td><td>"+news.Author+"</td><td>"+news.Updatetime+"</td></tr>"); //将返回的数据追加到表格
});
}
}
});
}
</script>
cs 页面：
View Code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using MongoDB;
public partial class MongoDB_JsonList : System.Web.UI.Page
{
public int pageCount = 0;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
pageCount = GetTotalPage();
if (Request["pageIndex"] != null && Request["pageSize"] != null)
{
int pageSize = Convert.ToInt32(Request["pageSize"]) == 0 ? 1 : Convert.ToInt32(Request["pageSize"]);
int pageIndex = Convert.ToInt32(Request["pageIndex"]) == 0 ? 1 : Convert.ToInt32(Request["pageIndex"]);
Response.Write(GetOnePage(pageSize, pageIndex));
Response.End();
}
}
}
public int GetTotalPage()
{
using (MongoDBHelper db = new MongoDBHelper())
{
var collection = db.GetCollection<News>();
var query = from v in collection.Linq()
select v;
return query.Count(); ;
}
}
public string GetOnePage(int pageSize, int pageIndex)
{
using (MongoDBHelper db = new MongoDBHelper())
{
var collection = db.GetCollection<News>();
var query = from v in collection.Linq()
select v;
return query.ToList<News>().Skip(pageSize * (pageIndex - 1)).Take(pageSize).ToJson();
}
}
}
本实例使用的MongoDB数据库文件 https://files.cnblogs.com/xffy1028/NewsDB.rar,解压到配置以后的MongoDB data文件夹
