之前自己一直用Aspnetpager控件來顯示項(xiàng)目中的分頁，但是每次都要拖一個(gè)aspnetpager的控件進(jìn)去，感覺很不舒服，因?yàn)楝F(xiàn)在自己寫的webform都不用服務(wù)器控件了，所以自己仿照aspnetpager寫了一個(gè)精簡(jiǎn)實(shí)用的返回分頁顯示的html方法，其他話不說了，直接上代碼。
分頁顯示信息的實(shí)體類：
復(fù)制代碼 代碼如下:
public class Pager
{
private string _firstPageText;
/// summary>
/// 最前一頁文字顯示 默認(rèn)顯示為"首頁"
/// /summary>
public string FirstPageText
{
get {
return string.IsNullOrEmpty(_firstPageText)? "首頁" : _firstPageText;
}
set {
_firstPageText = value;
}
}
private string _prePageText;
/// summary>
/// 上一頁文字顯示 默認(rèn)顯示為"上一頁"
/// /summary>
public string PrePageText
{
get
{
return string.IsNullOrEmpty(_prePageText) ? "上一頁" : _prePageText;
}
set
{
_prePageText = value;
}
}
private string _nextPageText;
/// summary>
/// 下一頁文字顯示 默認(rèn)顯示為"下一頁"
/// /summary>
public string NextPageText
{
get
{
return string.IsNullOrEmpty(_nextPageText) ? "下一頁" : _nextPageText;
}
set
{
_nextPageText = value;
}
}
private string _lastPageText;
/// summary>
/// 末頁文字顯示 默認(rèn)顯示為"末頁"
/// /summary>
public string LastPageText
{
get
{
return string.IsNullOrEmpty(_lastPageText) ? "末頁" : _lastPageText;
}
set
{
_lastPageText = value;
}
}
/// summary>
/// 總記錄數(shù)
/// /summary>
public int RecordCount { get; set; }
private int _pagesize=15;
/// summary>
/// 每頁分頁尺寸 默認(rèn)為15
/// /summary>
public int PageSize {
get {
return _pagesize == 0 ? 15 : _pagesize;
}set{
_pagesize = value;
}
}
private int _pageIndex=1;
/// summary>
/// 當(dāng)前頁碼
/// /summary>
public int PageIndex {
get {
return _pageIndex == 0 ? 1 : _pageIndex;
}
set {
_pageIndex = value;
}
}
private int _maxShowPageSize = 10;
/// summary>
/// 顯示頁碼列表的最大個(gè)數(shù) 默認(rèn)為10
/// /summary>
public int MaxShowPageSize {
get {
return _maxShowPageSize;
}
set {
_maxShowPageSize = value;
}
}
private string _queryStringName;
/// summary>
/// 頁碼在瀏覽器中傳值的名稱 默認(rèn)為page
/// /summary>
public string QueryStringName {
get {
return string.IsNullOrEmpty(_queryStringName)? "page" : _queryStringName;
}
set {
_queryStringName = value;
}
}
/// summary>
/// 頁面的URL
/// /summary>
public string URL {
get {
string url = HttpContext.Current.Request.Url.AbsoluteUri;//當(dāng)前頁面絕對(duì)路徑
if (EnableUrlRewriting)//使用url重寫
{
url=url.Substring(0, url.LastIndexOf("/") + 1);//獲取當(dāng)前頁面的目錄路徑
url += UrlRewritePattern;
}
else {//普通帶問號(hào)的頁面?zhèn)髦?BR> //demo.aspx
//demo.aspx?a=1
//demo.aspx?page=1
//demo.aspx?a=2page=1
if (url.Contains("aspx?"))
{
if (Regex.IsMatch(url,@"page=[0-9]*$",RegexOptions.IgnoreCase))//如果存在page=*的字符串
{
url = Regex.Replace(url, @"page=[0-9]*$", "", RegexOptions.IgnoreCase);//替換掉page=*的字符串
}
url += QueryStringName + "={0}";
}
else {
url += "?" + QueryStringName + "={0}";
}
}
return url;
}
}
private bool _enableUrlRewriting;
/// summary>
/// URL是否重寫 默認(rèn)為flase
/// /summary>
public bool EnableUrlRewriting {
get {
return (object)_enableUrlRewriting == null ? false : _enableUrlRewriting;
}
set {
_enableUrlRewriting = value;
}
}
/// summary>
/// 頁面URL重寫規(guī)則，將頁碼傳值用{0}來代替 比如list-1-{0}.html,啟用該功能需要將EnableUrlRewriting屬性設(shè)為true
/// /summary>
public string UrlRewritePattern { get; set; }
private string _className;
/// summary>
/// 分頁容器的css名稱
/// /summary>
public string ClassName {
get {
return string.IsNullOrEmpty(_className) ? "paginator" : _className;
}set{
_className = value;
}
}
private string _currentPageCss;
/// summary>
/// 當(dāng)前頁面按鈕css
/// /summary>
public string CurrentPageButtonCss {
get {
return string.IsNullOrEmpty(_currentPageCss) ? "cpb" : _currentPageCss;
}set{
_currentPageCss = value;
}
}
private bool _showSpanText;
/// summary>
/// Span 標(biāo)簽中文字信息是否顯示 默認(rèn)為false不顯示
/// /summary>
public bool ShowSpanText {
get {
return (object)_showSpanText == null ? false : _showSpanText;
}
set {
_showSpanText = value;
}
}
private string _spanTextClass;
/// summary>
/// 分頁文字描述span標(biāo)簽css
/// /summary>
public string SpanTextClass {
get {
return string.IsNullOrEmpty(_spanTextClass) ? "stc" : _spanTextClass;
}
set {
_spanTextClass = value;
}
}
private string _submitButtonText;
/// summary>
/// 確定按鈕文字顯示 默認(rèn)顯示"確定"
/// /summary>
public string SubmitButtonText {
get {
return string.IsNullOrEmpty(_submitButtonText) ? "確定" : _submitButtonText;
}
set {
_submitButtonText = value;
}
}
}
分頁顯示html代碼的拼接方法：
復(fù)制代碼 代碼如下:
public class SplitManager
{
public static string AspNetPagers(Pager pager)
{
StringBuilder sb = new StringBuilder();
string attr="";
int pagecount = 0;//當(dāng)前頁面的總層數(shù)
int floorcount = 0;//分頁的總層數(shù)
int currentLastPage = 0;//當(dāng)前最后一頁的頁碼
int pageNum = pager.RecordCount / pager.PageSize + 1;//總頁數(shù) 1~24
sb.AppendFormat("div class=\"{0}\">\n", pager.ClassName);
attr=pager.PageIndex==1?"disabled=disabled":"";//標(biāo)志當(dāng)前頁第一頁是否相等 來控制前倆個(gè)按鈕的有效性
sb.AppendFormat(GetAHtml(attr,string.Format(pager.URL,1),pager.FirstPageText));//添加最前一頁的代碼
sb.AppendFormat(GetAHtml(attr, string.Format(pager.URL, pager.PageIndex-1), pager.PrePageText));//添加上一頁的代碼
pagecount = pager.PageIndex/pager.MaxShowPageSize;//當(dāng)前頁數(shù) 0~1~2
pagecount = pager.PageIndex % pager.MaxShowPageSize == 0 ? pagecount - 1 : pagecount;//清除當(dāng) 當(dāng)前頁數(shù)為分頁頁碼數(shù)的整數(shù)倍頁時(shí)除數(shù)多一的狀況
floorcount = pageNum / pager.MaxShowPageSize;//頁面層數(shù) 0~1~2
currentLastPage=pageNumpager.MaxShowPageSize * (pagecount + 1)?pageNum:pager.MaxShowPageSize * (pagecount + 1);
if (pager.PageIndex > pager.MaxShowPageSize)//當(dāng)當(dāng)前序號(hào)大于每頁頁碼個(gè)數(shù)時(shí)顯示再前端...
{
sb.AppendFormat(GetAHtml("", string.Format(pager.URL, pager.MaxShowPageSize * pagecount), "..."));
}
for (int i = pager.MaxShowPageSize * pagecount + 1; i = currentLastPage; i++)
{
if (i == pager.PageIndex)//判斷循環(huán)頁面是否為當(dāng)前頁
{
sb.AppendFormat(GetSpanHtml(i, pager.CurrentPageButtonCss));
}
else {
sb.AppendFormat(GetAHtml("", string.Format(pager.URL, i),i.ToString()));
}
}
if (pager.PageIndex = pager.MaxShowPageSize * floorcount)//當(dāng)當(dāng)前序號(hào)小于倒數(shù)第二頁頁碼時(shí)顯示在后端...
{
sb.AppendFormat(GetAHtml("", string.Format(pager.URL, pager.MaxShowPageSize * (pagecount + 1) + 1), "..."));
}
attr = pager.PageIndex == pageNum ? "disabled=disabled" : "";//標(biāo)志當(dāng)前頁最后一頁是否相等 來控制后倆個(gè)按鈕的有效性
sb.AppendFormat(GetAHtml(attr, string.Format(pager.URL, pager.PageIndex+1), pager.NextPageText));//添加后一頁的代碼
sb.AppendFormat(GetAHtml(attr, string.Format(pager.URL, pageNum), pager.LastPageText));//添加最后一頁的代碼
if (pager.ShowSpanText)//是否顯示分頁文字span標(biāo)簽顯示
{
sb.AppendFormat("span class=\"" + pager.SpanTextClass + "\">共{0}頁,每頁{1}條記錄 \n", pageNum, pager.PageSize);
sb.AppendFormat("到第input type=\"input\" id=\"jumpNum\" style=\"width:20px;\" name=\"jump\" value=\"{0}\" />頁", pager.PageIndex == pageNum ? pageNum : pager.PageIndex + 1);
sb.AppendFormat("a href=\"#\" style=\"float:none;\" onclick=\"javascript:jump();\">" + pager.SubmitButtonText + "/a>/span>\n");
sb.Append(GetJumpScript(pager.URL));//添加按鈕跳轉(zhuǎn)的javascript代碼
}
sb.AppendFormat("/div>");//
return sb.ToString();
}
/// summary>
/// get the html of a label
/// /summary>
/// param name="title">a's title/param>
/// param name="url">the url of a/param>
/// param name="attr">the attribute/param>
/// returns>return html string/returns>
private static string GetAHtml(string attr,string url,string title)
{
return "a " + attr + " href=\""+url+"\" style=\"margin-right:5px;\">"+title+"/a>\n";
}
/// summary>
/// get the html of a label
/// /summary>
/// param name="num">the content of span/param>
/// param name="className">Class style Name/param>
/// returns>return html string /returns>
private static string GetSpanHtml(int num, string className)
{
return "span class=\"" + className + "\">" + num + "/span>\n";
}
/// summary>
/// 獲取跳轉(zhuǎn)的javascript代碼
/// /summary>
/// param name="url">當(dāng)前分頁的url規(guī)則/param>
/// returns>返回一個(gè)javascript代碼/returns>
private static string GetJumpScript(string url)
{
string scriptstr = "script type=\"text/javascript\">\n" +
"function jump(){\n" +
"var jnum=document.getElementById(\"jumpNum\").value;\n" +
"if(isNaN(jnum)){\n"+
"alert(\"在跳轉(zhuǎn)框中請(qǐng)輸入數(shù)字！\");\n" +
"}\n"+
"else{\n"+
//"alert(jnum);\n" +
"location.href=String.format(\"" + url + "\",jnum);\n" +
"}\n"+
"}\n"+
"String.format = function() {\n"+
"if( arguments.length == 0 )\n"+
"return null; \n"+
"var str = arguments[0]; \n"+
"for(var i=1;iarguments.length;i++) {\n"+
"var re = new RegExp('\\\\{' + (i-1) + '\\\\}','gm');\n"+
"str = str.replace(re, arguments[i]);\n"+
"}\n"+
"return str;\n"+
"}\n"+
"/script>\n";
return scriptstr;
}
}
最精簡(jiǎn)必要的幾個(gè)參數(shù)傳進(jìn)去就能顯示分頁效果了：
復(fù)制代碼 代碼如下:
protected string str = "";
protected void Page_Load(object sender, EventArgs e)
{
Pager pager = new Pager() { RecordCount = 350,
PageSize = 15,
MaxShowPageSize=10,
PageIndex = Convert.ToInt32(Request.QueryString["page"]),
ShowSpanText=true};
str = SplitManager.AspNetPagers(pager);
}
仿csdn的分頁的效果圖
供測(cè)試的css：
復(fù)制代碼 代碼如下:
View Code
style type="text/css">
/*分頁樣式控制的開始*/
.paginator { font: 12px Arial, Helvetica, sans-serif;
padding:10px 20px 10px 0;
margin: 0px;}
.paginator a {border:solid 1px #ccc;
color:#0063dc;
cursor:pointer;
text-decoration:none;}
.paginator a:visited {padding: 1px 6px;
border: solid 1px #ddd;
background: #f0f1f1;
text-decoration: none;}
.paginator .cpb {border:1px solid #14316b;
font-weight:700;
color:#f0f1f1;
background-color:#1f3d76;}
.paginator a:hover {border:solid 1px #14316b;
color:#14316b;
text-decoration:none;}
.paginator a,.paginator a:visited,.paginator .cpb,.paginator a:hover{float:left;
height:16px;
line-height:16px;
min-width:10px;_width:10px;
margin-right:5px;
text-align:center;
white-space:nowrap;
font-size:12px;
font-family:
Arial,SimSun;
padding:0 3px;}
.paginator .stc{color:#999;margin-left:20px;}
.paginator .stc a{margin-left:10px;}
/*分頁樣式控制的結(jié)束*/
/style>
同時(shí)配合為了配合分頁，再給出一個(gè)DataTable轉(zhuǎn)泛型列表的一個(gè)方法和一個(gè)分頁存儲(chǔ)過程。
此轉(zhuǎn)換方法需配合相應(yīng)的實(shí)體類，并且實(shí)體類中需對(duì)象相應(yīng)表的字段名，不區(qū)分大小寫。
復(fù)制代碼 代碼如下:
#region DataTable To List/Model
/// summary>
/// DataTable To List
/// /summary>
/// typeparam name="TType">object type/typeparam>
/// param name="dt">DataTable/param>
/// returns>return a List Model type/returns>
public static ListT> DataTableToObjectListT>(DataTable dt) where T : new()
{
DataRowCollection drc = dt.Rows;
int columncount = drc.Count;
ListT> result = new ListT>(); //declare the generic type of return
Type type = typeof(T);
PropertyInfo[] propertys = type.GetProperties(BindingFlags.IgnoreCase|BindingFlags.Instance|BindingFlags.Public|BindingFlags.SetProperty); //get the collections of the model
foreach (DataRow r in drc)
{
result.Add(DataRowToObjectModelT>(r, propertys));
}
return result;
}
/// summary>
/// DataRow To a Model
/// /summary>
/// typeparam name="T">the type of Model/typeparam>
/// param name="r">DataRow/param>
/// param name="propertys">the object to Model/param>
/// returns>return a Model Type/returns>
private static T DataRowToObjectModelT>(DataRow r, PropertyInfo[] propertys) where T : new()
{
T t = new T();
for (int i = 0; i propertys.Length; i++)
{
object obj = r[propertys[i].Name];
if (obj != null)
{
if (propertys[i].PropertyType == typeof(int))
propertys[i].SetValue(t, PublicMethod.GetInt(obj), null);
if (propertys[i].PropertyType == typeof(string))
propertys[i].SetValue(t, obj.ToString(), null);
if (propertys[i].PropertyType == typeof(DateTime))
propertys[i].SetValue(t, PublicMethod.GetDateTime(obj), null);
}
}
return t;
}
#endregion
分頁存儲(chǔ)過程。
復(fù)制代碼 代碼如下:
CREATE PROCEDURE [dbo].[proc_SplitPage]
-- Add the parameters for the stored procedure here
@tblName varchar(255), -- 表名
@strFields varchar(1000) = '*', -- 需要返回的列，默認(rèn)*
@strOrder varchar(255)='', -- 排序的字段名，必填
@strOrderType varchar(10)='ASC', -- 排序的方式,默認(rèn)ASC
@PageSize int = 10, -- 頁尺寸,默認(rèn)10
@PageIndex int = 1, -- 頁碼,默認(rèn)1
@strWhere varchar(1500) = '' -- 查詢條件 (注意: 不要加 where)
AS
declare @strSQL varchar(5000)
if @strWhere !=''
set @strWhere=' where '+@strWhere
set @strSQL=
'SELECT '+@strFields+' FROM ('+
'SELECT ROW_NUMBER() OVER (ORDER BY '+@strOrder+' '+@strOrderType+') AS pos,'+@strFields+' '+
'FROM '+@tblName+' '+@strWhere+
') AS sp
WHERE pos BETWEEN '+str((@PageIndex-1)*@PageSize+1)+' AND '+str(@PageIndex*@PageSize)
exec (@strSQL)
以上是全部代碼，由于本人還是新手，請(qǐng)大家查找問題并指導(dǎo)，謝謝。
有些朋友需要源碼的再此下載，方便測(cè)試
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