有时候大数据量进行查询操作的时候，查询速度很大强度上可以影响用户体验，因此自己简单写了一个demo，简单总结记录一下：
技术：Mvc4+Dapper+Dapper扩展+Sqlserver
目前主要实现了两种分页：一种采用 PagedList.Mvc 实现的分页
两外一种采用 ajax异步加载分页 采用比较常用的jquery.pagination 分页插件。
功能相对比较简单仅供学习交流。
通用存储过程
1 USE [MvcProcPageDB] 2 GO 3 4 /****** Object: StoredProcedure [dbo].[ProcViewPager] Script Date: 2017/4/23 16:41:16 ******/ 5 SET ANSI_NULLS ON 6 GO 7 8 SET QUOTED_IDENTIFIER ON 9 GO 10 11 CREATE PROCEDURE [dbo].[ProcViewPager] ( 12 @recordTotal INT OUTPUT, --输出记录总数 13 @viewName VARCHAR(800), --表名 14 @fieldName VARCHAR(800) = ‘*‘, --查询字段 15 @keyName VARCHAR(200) = ‘Id‘, --索引字段 16 @pageSize INT = 20, --每页记录数 17 @pageNo INT =1, --当前页 18 @orderString VARCHAR(200), --排序条件 19 @whereString VARCHAR(800) = ‘1=1‘ --WHERE条件 20 ) 21 AS 22 BEGIN 23 DECLARE @beginRow INT 24 DECLARE @endRow INT 25 DECLARE @tempLimit VARCHAR(200) 26 DECLARE @tempCount NVARCHAR(1000) 27 DECLARE @tempMain VARCHAR(1000) 28 --declare @timediff datetime 29 30 set nocount on 31 --select @timediff=getdate() --记录时间 32 33 SET @beginRow = (@pageNo - 1) * @pageSize + 1 34 SET @endRow = @pageNo * @pageSize 35 SET @tempLimit = ‘rows BETWEEN ‘ + CAST(@beginRow AS VARCHAR) +‘ AND ‘+CAST(@endRow AS VARCHAR) 36 37 --输出参数为总记录数 38 SET @tempCount = ‘SELECT @recordTotal = COUNT(*) FROM (SELECT ‘+@keyName+‘ FROM ‘+@viewName+‘ WHERE ‘+@whereString+‘) AS my_temp‘ 39 EXECUTE sp_executesql @tempCount,N‘@recordTotal INT OUTPUT‘,@recordTotal OUTPUT 40 41 --主查询返回结果集 42 SET @tempMain = ‘SELECT * FROM (SELECT ROW_NUMBER() OVER (order by ‘+@orderString+‘) AS rows ,‘+@fieldName+‘ FROM ‘+@viewName+‘ WHERE ‘+@whereString+‘) AS main_temp WHERE ‘+@tempLimit 43 44 --PRINT @tempMain 45 EXECUTE (@tempMain) 46 --select datediff(ms,@timediff,getdate()) as 耗时 47 48 set nocount off 49 END 50 51 52 GO
Dapper
1 /// <summary>
2 /// 查询所有用户
3 /// </summary>
4 /// <returns></returns>
5 public List<UserInfo> GetAllList()
6 {
7 var list = new List<UserInfo>();
8 //string sql = @"select Id,UserName,Nation,TrueName,Birthday,LocalAddressGender from UserInfo";
9 using (SqlConnection conn = new SqlConnection(constr))
10 {
11 conn.Open();
12 //标准写法
13 //list = conn.Query<UserInfo>(sql,commandType: CommandType.Text).AsList();
14 //dapper扩展写法
15 list = conn.GetList<UserInfo>().AsList();
16 conn.Close();
17 }
18 return list;
19 }
Dapper分页
1 /// <summary>
2 /// 采用存储过程分页
3 /// </summary>
4 /// <param name="page"></param>
5 /// <param name="pageSize"></param>
6 /// <returns></returns>
7 public UserPage GetPageByProcList(int page=1,int pageSize=10)
8 {
9 UserPage model = new UserPage();
10 var list = new List<UserInfo>();
11 //string sql = @"select Id,UserName,Nation,TrueName,Birthday,LocalAddressGender from UserInfo";
12 using (SqlConnection conn = new SqlConnection(constr))
13 {
14 conn.Open();
15 DynamicParameters parm = new DynamicParameters();
16 parm.Add("viewName", "UserInfo");
17 parm.Add("fieldName", "*");
18 parm.Add("keyName", "Id");
19 parm.Add("pageSize", pageSize);
20 parm.Add("pageNo", page);
21 parm.Add("orderString", "Id");
22 parm.Add("recordTotal", 0, DbType.Int32, ParameterDirection.Output);
23 //参数名得和存储过程的变量名相同（参数可以跳跃传，键值对方式即可）
24 //强类型
25 //list = conn.Query<UserInfo>("P_GridViewPager", new { viewName = "Edu_StudentSelectedCourse", fieldName = "*", keyName = "Id", pageSize = 20, pageNo = 1, orderString = "id" }, commandType: CommandType.StoredProcedure).ToList();
26 //标准写法
27 //list = conn.Query<UserInfo>(sql,commandType: CommandType.Text).AsList();
28 //dapper扩展写法
29 //list = conn.GetList<UserInfo>().AsList();
30 list = conn.Query<UserInfo>("ProcViewPager", parm, commandType: CommandType.StoredProcedure).AsList();
31 int totalCount = parm.Get<int>("@recordTotal");//返回总页数
32 model.user = list;
33 model.TotalCount = totalCount;
34 conn.Close();
35 }
36 return model;
37 }
1 public ActionResult Index(int page=1)
2 {
3
4 #region 插入10条数据
5
6 //for (int i = 1; i <= 100000; i++)
7 //{
8 // list.Add(
9 // new UserInfo
10 // {
11 // Id = Guid.NewGuid().ToString(),
12 // UserName = "xiaoming" + i,
13 // Birthday = Convert.ToDateTime("1987-12-11"),
14 // Gender = 1,
15 // LocalAddress = "河南省",
16 // TrueName = "小明" + i,
17 // Nation = "汉族"
18 // });
19 //}
20 //ss.InsertAll(list);
21 #endregion
22 var pagelist = service.GetAllList().ToPagedList(page,10);
23 return View(pagelist);
24 }
25 public ActionResult ProcPageIndex(int page=1)
26 {
27 var list = service.GetPageByProcList(page,5);
28 return View();
29 }
30 public JsonResult GetProList(int page=1,int pagesize=10)
31 {
32 var model = service.GetPageByProcList(page, pagesize);
33 return Json(model, JsonRequestBehavior.AllowGet);
34 }
View
1 @{
2 Layout = null;
3 }
4 <link href="~/Content/bootstrap.css" rel="stylesheet" />
5 <link href="~/Content/PagedList.css" rel="stylesheet" />
6 <link href="~/Scripts/pagination.css" rel="stylesheet" />
7 <div class="well">
8 <table class="table">
9 <thead>
10 <tr>
11 <th>用户名</th>
12 <th>真实姓名</th>
13 <th>出生日期</th>
14 <th>地址</th>
15 </tr>
16 </thead>
17 <tbody id="tbodylist"></tbody>
18
19 </table>
20
21 </div>
22 <div id="Pagination" class="pagination">
23
24 </div>
25 <script src="~/Scripts/jquery-1.9.1.min.js"></script>
26 <script src="~/Scripts/jquery.pagination.js"></script>
27 <script src="~/Scripts/bootstrap.js"></script>
28 <script type="text/javascript">
29 //分页查询开始
30 $(document).ready(function () {
31 getDataList(0, null);
32 });
33
34 var pagesize = 50;
35 var page = 1;
36 var initFlag = true;
37
38 function getDataList(currPage, jg) {
39
40 $.ajax({
41 url: "/Home/GetProList",
42 type: "get",
43 dataType: ‘json‘,
44 data: { pagesize: pagesize, page: currPage + 1 },
45 contentType: "application/x-www-form-urlencoded; charset=utf-8",
46 success: function (response) {
47 if (response.user != null && response.user != "" && response.TotalCount != undefined && response.TotalCount > 0) {
48 if (initFlag) {
49 $("#Pagination").pagination(
50 response.TotalCount,
51 {
52 items_per_page: pagesize,
53 num_edge_entries: 1,
54 num_display_entries: 8,
55 callback: getDataList//回调函数
56 });
57 initFlag = false;
58 }
59 $("#tbodylist").html("");
60 loadDataList(response.user);
61 } else {
62
63 }
64
65 }
66 });
67 }
68
69 function loadDataList(listdata) {71 var tbody = "";
72 $(listdata).each(function (i, n) {
73 //表格
74 tbody += "<tr>" +
75 "<td>" + n.UserName + "</td>" +
76 "<td>" + n.TrueName + "</td>" +
77 "<td>" + n.Birthday + "</td>" +
78 "<td>" + n.LocalAddress + "</td>" +
79 "</tr>";
80 });
81 $("#tbodylist").html(html);
82
83 } 84 //分页查询结束
85 </script>
截图
时间： 2024-10-19 23:11:51