html>
head>
title>/title>
style type="text/css">
table{ border:solid 1px #444; background-color:Aqua;}
table td{border:solid 1px #444;}
/style>
script src="js/Jquery1.7.js" type="text/javascript">/script>
script type="text/javascript">
$(function () {
var pageindex = 1;
var pagesize = 10;
/*如果将代码封装成一个函数，那么除非显示调用(loaddata())，否则函数中的代码不会执行
根据传递的页码和每页显示的记录数量获取数据
*/
function loaddata() {
$.ajax({
type: "post",
contentType: "application/json",
url: "WebService1.asmx/GetListAjax",
data: "{pagesize:" + pagesize + ",pageindex:" + pageindex + "}",
success: function (result) {
//处理返回来的数据
var strtable = 'table>';
strtable += 'tr>td>编号/td>td>标题/td>td>内容/td>td>创建时间/td>/tr>';
for (var i = 0; i result.d.length; i++) {
strtable += 'tr>';
strtable += 'td>' + result.d[i].Id + '/td>';
strtable += 'td>' + result.d[i].NewsTitle + '/td>';
strtable += 'td>' + result.d[i].NewsContent + '/td>'
strtable += 'td>' + result.d[i].CreateTime + '/td>';
strtable += '/tr>';
}
strtable += '/table>';
$('#mydiv').html(strtable);
}
})
}
//根据传递到后台的每页显示的记录数量来获取最大的页码(就是一共有多少页)
$.ajax({
type: "post",
contentType: "application/json",
url: "WebService1.asmx/GetLastPageindex",
data: "{pagesize:" + pagesize + "}",
success: function (result) {
lastpageindex = result.d;
}
})
//显式调用函数，在页面初次加载时加载第一页数据
loaddata();
//下一页
$('a:eq(2)').click(function () {
if (pageindex lastpageindex) {
pageindex++;
loaddata();
}
})
//上一页
$('a:eq(1)').click(function () {
if (pageindex > 1) {
pageindex--;
loaddata();
}
})
//第一页
$('a:first').click(function () {
pageindex = 1;
loaddata();
})
//最后一页
$('a:eq(3)').click(function () {
pageindex = lastpageindex;
loaddata();
})
$('a:last').click(function () {
pageindex = $('#txtPageindex').val();
loaddata();
})
})
/script>
/head>
body>
div id="mydiv">
/div>
div>a href="#">第一页/a>a href="#">上一页/a>a href="#">下一页/a>a href="#">最后一页/a>input
id="txtPageindex" type="text" />a href="#">Go/a>/div>
/body>
/html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Data;
namespace 分页
{
/// summary>
/// WebService1 的摘要说明
/// /summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
// 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消对下行的注释。
[System.Web.Script.Services.ScriptService]
public class WebService1 : System.Web.Services.WebService
{
[WebMethod]
public string HelloWorld()
{
return "Hello World";
}
[WebMethod]
public ListModel.T_News1> GetListAjax(int pagesize,int pageindex)
{
BLL.T_News1 bnews = new BLL.T_News1();
DataTable dt = bnews.GetListDataTable(pagesize,pageindex);
ListModel.T_News1> list = new ListModel.T_News1>();
int Id;
string newstitle = "";
string newscontent = "";
DateTime createtime;
for (int i = 0; i dt.Rows.Count; i++)
{
Id = Convert.ToInt32(dt.Rows[i]["Id"]);
newstitle = dt.Rows[i]["NewsTitle"].ToString();
newscontent = dt.Rows[i]["NewsContent"].ToString();
createtime = Convert.ToDateTime(dt.Rows[i]["CreateTime"]);
Model.T_News1 news = new Model.T_News1()
{
Id = Id,
NewsTitle = newstitle,
NewsContent = newscontent,
CreateTime = createtime
};
list.Add(news);
}
return list;
}
[WebMethod]
public int GetLastPageindex(int pagesize)
{
BLL.T_News1 bnews = new BLL.T_News1();
int totalcount = bnews.GetRecordCount("");
if (totalcount % pagesize == 0)
{
return totalcount / pagesize;
}
else
{
return totalcount / pagesize + 1;
}
}
}
}
