Jquery+Ajax+Json+存儲進程完成高效分頁。本站提示廣大學習愛好者:(Jquery+Ajax+Json+存儲進程完成高效分頁)文章只能為提供參考,不一定能成為您想要的結果。以下是Jquery+Ajax+Json+存儲進程完成高效分頁正文
之前在做分頁時,許多同伙都是用Jquery分頁插件,之前我就用的jquery.paper,有須要的同伙可以接洽我,接上去小編給年夜家分享用Jquery+Ajax+Json+存儲進程完成高效分頁。
完成此功效用分頁存儲進程,pagination,js款式,空話不多了,詳細請看上面代碼
分頁存儲進程:PAGINATION
CREATE PROCEDURE [dbo].[PAGINATION]
@FEILDS VARCHAR(),--要顯示的字段
@PAGE_INDEX INT,--以後頁碼
@PAGE_SIZE INT,--頁面年夜小
@ORDERTYPE BIT,--當為時 則為 desc 當為 時 asc
@ANDWHERE VARCHAR()='',--where語句 不消加where
@ORDERFEILD VARCHAR(), --排序的字段
@TABLENAME VARCHAR() --查詢的注解
as
DECLARE @EXECSQL VARCHAR()
DECLARE @ORDERSTR VARCHAR()
DECLARE @ORDERBY VARCHAR()
BEGIN
set NOCOUNT on
IF @ORDERTYPE =
BEGIN
SET @ORDERSTR = ' > ( SELECT MAX(['+@ORDERFEILD+'])'
SET @ORDERBY = 'ORDER BY '+@ORDERFEILD+' ASC'
END
ELSE
BEGIN
SET @ORDERSTR = ' < ( SELECT MIN(['+@ORDERFEILD+'])'
SET @ORDERBY = 'ORDER BY '+@ORDERFEILD+' DESC'
END
IF @PAGE_INDEX = --當頁碼是第一頁時直接運轉,進步速度
BEGIN
IF @ANDWHERE=''
SET @EXECSQL = 'SELECT TOP '+STR(@PAGE_SIZE)+' '+@FEILDS+' FROM '+@TABLENAME+' '+@ORDERBY
ELSE
SET @EXECSQL = 'SELECT TOP '+STR(@PAGE_SIZE)+' '+@FEILDS+' FROM '+@TABLENAME+' WHERE '+@ANDWHERE+' '+ @ORDERBY
END
ELSE
BEGIN
IF @ANDWHERE=''
BEGIN --以子查詢成果當作新表時 要給表名別號能力用
SET @EXECSQL = 'SELECT TOP'+STR(@PAGE_SIZE)+' '+@FEILDS+' FROM '+@TABLENAME+' WHERE '+@ORDERFEILD+
@ORDERSTR+' FROM (SELECT TOP '+STR(@PAGE_SIZE*(@PAGE_INDEX-))+' '+@ORDERFEILD+
' FROM '+@TABLENAME+' '+@ORDERBY+') AS TEMP) '+ @ORDERBY
END
ELSE
BEGIN
SET @EXECSQL = 'SELECT TOP'+STR(@PAGE_SIZE)+' '+@FEILDS+' FROM '+@TABLENAME+' WHERE '+@ORDERFEILD+
@ORDERSTR+' FROM (SELECT TOP '+ STR(@PAGE_SIZE*(@PAGE_INDEX-))+' '+@ORDERFEILD+
' FROM '+@TABLENAME+' WHERE '+@ANDWHERE+' '+@ORDERBY+') AS TEMP) AND '+@ANDWHERE+' '+ @ORDERBY
END
END
EXEC (@EXECSQL)--這裡要加括號
END
分頁款式:
<style type="text/css">
a,area { -moz-outline-style: none; blr:expression(this.onFocus=this.blur()); text-decoration:none}
div.badoo { padding:px; text-align:center; }
div.badoo a { border:px solid #ededed; padding:px px; color:#; border-radius:px; margin-right:px;}
div.badoo a:hover {border:px solid #ffa; color: #ffa; }
div.badoo a:active {border:px solid #ffa; margin-right:px;}
div.badoo span { border:px solid #EDEDED; padding:px px; color:#f;font-weight:bold; background:#FAFAFA; border-radius:px; margin-right:px;}
div.badoo span.disabled { border:px solid #EDEDED; padding:px px; color:#; margin-right:px; font-weight:;}
</style>
起首創立普通處置法式,讀取數據庫中內容,獲得前往值.
創立文件,GetData.ashx.
我這裡是用的存儲進程,存儲進程會再上面粘出來,至於數據只是實例,你們可依據需求自行讀取數據
using System;
using System.Web;
using System.Data.SqlClient;
using System.Data;
using System.Collections.Generic;
using System.Web.Script.Serialization;
using Model;
context.Response.ContentType = "text/plain";
var pageIndex = context.Request["PageIndex"];
//斷定以後索引存不存在,假如不存在則獲得記載的總數。
if (string.IsNullOrEmpty(pageIndex))
{
//獲得查詢記載總數的sql語句
int count = ;
int.TryParse(new BLL.t_profit().SelectAllNum(), out count);
context.Response.Write(count);
context.Response.End();
}
//當依據索引獲得數據
else
{
int currentPageIndex = ;
int.TryParse(pageIndex, out currentPageIndex);
SqlParameter[] parms = new SqlParameter[] {
new SqlParameter("@FEILDS",SqlDbType.NVarChar,),
new SqlParameter("@PAGE_INDEX",SqlDbType.Int,),
new SqlParameter("@PAGE_SIZE",SqlDbType.Int,),
new SqlParameter("@ORDERTYPE",SqlDbType.Int,),
new SqlParameter("@ANDWHERE",SqlDbType.VarChar,),
new SqlParameter("@ORDERFEILD",SqlDbType.VarChar,)
};
parms[].Value = "id,name,sex,tel";//獲得一切的字段
parms[].Value = pageIndex;//以後頁面索引
parms[].Value = ;//頁面年夜小
parms[].Value = ;//升序分列
parms[].Value = "";//前提語句
parms[].Value = "id";//排序字段
List<Book> list = new List<Book>();
using (SqlDataReader sdr = Yoodor.DAL.SqlHelper.ExecuteReader(CommandType.StoredProcedure, "PAGINATION", parms))
{
while (sdr.Read())
{
list.Add(new Book { id = sdr[].ToString(), name = sdr[].ToString(), sex = sdr[].ToString(), tel = sdr[].ToString() });
}
}
context.Response.Write(new JavaScriptSerializer().Serialize(list).ToString());//轉為Json格局
}
public string id { get; set; }
public string name { get; set; }
public string sex { get; set; }
public string tel { get; set; }
款式代碼:
<style type="text/css">
a,area { -moz-outline-style: none; blr:expression(this.onFocus=this.blur()); text-decoration:none}
div.badoo { padding:px; text-align:center; }
div.badoo a { border:px solid #ededed; padding:px px; color:#; border-radius:px; margin-right:px;}
div.badoo a:hover {border:px solid #ffa; color: #ffa; }
div.badoo a:active {border:px solid #ffa; margin-right:px;}
div.badoo span { border:px solid #EDEDED; padding:px px; color:#f;font-weight:bold; background:#FAFAFA; border-radius:px; margin-right:px;}
div.badoo span.disabled { border:px solid #EDEDED; padding:px px; color:#; margin-right:px; font-weight:;}
</style>
js代碼
<script type="text/javascript">
$(function () {
$.post("GetData.ashx", null, function (data) {
var total = data;
PageClick(, total, );
});
PageClick = function (pageIndex, total, spanInterval) {
$.ajax({
url: "GetData.ashx",
data: { "PageIndex": pageIndex },
type: "post",
dataType: "json",
success: function (data) {
//索引從開端
//將以後頁索引轉為int類型
var intPageIndex = parseInt(pageIndex);
//獲得顯示數據的表格
var table = $("#content");
//清晰表格中內容
$("#content tr").remove();
//向表格中添加內容
for (var i = ; i < data.length; i++) {
table.append(
$("<tr><td>" +
data[i].id
+ "</td><td>" +
data[i].name
+ "</td><td>" +
data[i].sex
+ "</td><td>" +
data[i].tel
+ "</td></tr>")
);
} //for
//創立分頁
//將總記載數成果 獲得 總頁碼數
var pageS = total
if (pageS % == ) pageS = pageS / ;
else pageS = parseInt(total / ) + ;
var $pager = $("#pager");
//清晰分頁div中的內容
$("#pager span").remove();
$("#pager a").remove();
//添加第一頁
if (intPageIndex == ) {
// $pager.append("<span class='disabled'>第一頁</span>");
}
else {
// var first = $("<a href='javascript:void()' first='" + + "'>第一頁</a>").click(function () {
// PageClick($(this).attr('first'), total, spanInterval);
// return false;
// });
// $pager.append(first);
}
//添加上一頁
if (intPageIndex == )
$pager.append("<span class='disabled'>上一頁</span>");
else {
var pre = $("<a href='javascript:void()' pre='" + (intPageIndex - ) + "'>上一頁</a>").click(function () {
PageClick($(this).attr('pre'), total, spanInterval);
return false;
});
$pager.append(pre);
}
//設置分頁的格局 這裡可以依據需求完成本身想要的成果
var interval = parseInt(spanInterval); //設置距離
var start = Math.max(, intPageIndex - interval); //設置肇端頁
var end = Math.min(intPageIndex + interval, pageS)//設置末頁
if (intPageIndex < interval + ) {
end = ( * interval + ) > pageS ? pageS : ( * interval + );
}
if ((intPageIndex + interval) > pageS) {
start = (pageS - * interval) < ? : (pageS - * interval);
}
//生成頁碼
for (var j = start; j < end + ; j++) {
if (j == intPageIndex) {
var spanSelectd = $("<span class='current'>" + j + "</span>");
$pager.append(spanSelectd);
} //if
else {
var a = $("<a href='javascript:void()'>" + j + "</a>").click(function () {
PageClick($(this).text(), total, spanInterval);
return false;
});
$pager.append(a);
} //else
} //for
//上一頁
if (intPageIndex == Math.ceil(total / )) {
$pager.append("<span class='disabled'>下一頁</span>");
}
else {
var next = $("<a href='javascript:void()' next='" + (intPageIndex + ) + "'>下一頁</a>").click(function () {
PageClick($(this).attr("next"), total, spanInterval);
return false;
});
$pager.append(next);
}
//最初一頁
if (intPageIndex == pageS) {
// $pager.append("<span class='disabled'>最初一頁</span>");
}
else {
// var last = $("<a href='javascript:void()' last='" + pageS + "'>最初一頁</a>").click(function () {
// PageClick($(this).attr("last"), total, spanInterval);
// return false;
// });
// $pager.append(last);
}
} //sucess
}); //ajax
}; //function
}); //ready
</script>
<table id="content">
</table>
<div id="pager" class="badoo"></div>
/// <summary>
/// Execute a SqlCommand that returns a resultset against the database specified in the connection string
/// using the provided parameters.
/// </summary>
/// <param name="connectionString">一個有用的數據庫銜接字符串</param>
/// <param name="cmdType">SqlCommand敕令類型 (存儲進程, T-SQL語句, 等等。)</param>
/// <param name="cmdText">存儲進程的名字或許 T-SQL 語句</param>
/// <param name="commandParameters">以數組情勢供給SqlCommand敕令頂用到的參數列表</param>
/// <returns>A SqlDataReader containing the results</returns>
public static SqlDataReader ExecuteReader( CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
{
SqlCommand cmd = new SqlCommand();
SqlConnection conn = new SqlConnection(connectionString);
// we use a try/catch here because if the method throws an exception we want to
// close the connection throw code, because no datareader will exist, hence the
// commandBehaviour.CloseConnection will not work
try
{
PrepareCommand(cmd, conn, null, cmdType, cmdText, commandParameters);
SqlDataReader rdr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
cmd.Parameters.Clear();
return rdr;
}
catch (Exception ex)
{
conn.Close();
throw new Exception(ex.Message);
}
}
以上就是本文應用Jquery+Ajax+Json+存儲進程完成高效分頁的全體內容,願望年夜家愛好。