利用ASP.NET MVC+Bootstrap搭建個(gè)人博客之打造清新分頁(yè)Helper（三）

div class="pagination">
ul>
//************分頁(yè)HTML*********
/ul>
/div>

namespace ZYN.BLOG.WebHelper
{
public class PagerHelper
{
/// summary>
/// 生成分頁(yè)Html數(shù)據(jù)
/// /summary>
/// param name="currentPage">當(dāng)前頁(yè)/param>
/// param name="pageSize">頁(yè)容量/param>
/// param name="totalCount">數(shù)據(jù)總條數(shù)/param>
/// returns>pagerHtmlString/returns>
public static string GeneratePagerString(int currentPage, int pageSize, int totalCount)
{
var redirectToUrl = HttpContext.Current.Request.Url.AbsolutePath;
pageSize = pageSize = 0 ? 4 : pageSize;
//1.0 總頁(yè)數(shù)
int totalPages = Math.Max((totalCount + pageSize - 1) / pageSize, 1);
//2.0 分頁(yè)條的容量
int pageBarSize = 6;//默認(rèn)一個(gè)分頁(yè)條顯示6個(gè)頁(yè)碼。分頁(yè)條容量 
//3.0 分頁(yè)條的個(gè)數(shù) totalPages個(gè)頁(yè)數(shù)按 pageBarSize = 6 可以 分為多少個(gè)分頁(yè)條
int pageBarNum = (totalPages + pageBarSize - 1) / pageBarSize; // totalPages=13時(shí)，也就是把13個(gè)頁(yè)碼分成3個(gè)分頁(yè)條
//判斷當(dāng)前頁(yè)currentPage坐落在第幾個(gè)分頁(yè)條內(nèi)
int position = (currentPage - 1) / pageBarSize; 
//根據(jù)分頁(yè)條的序號(hào)，計(jì)算出該分頁(yè)條的第一個(gè)頁(yè)碼start和最后一個(gè)頁(yè)碼end
int start = position * pageBarSize + 1;
//如果是最后一個(gè)分頁(yè)條，則需判斷它實(shí)際的頁(yè)條容量；否則頁(yè)條容量就是pageBarSize
int curBarCapacity = pageBarSize;
if (position == pageBarNum - 1)
{
curBarCapacity = totalPages - (pageBarNum - 1) * pageBarSize;
}
StringBuilder pagerHtmlString = new StringBuilder();
StringBuilder endHtmlString = new StringBuilder();
//處理首頁(yè)
pagerHtmlString.AppendFormat("li id='start-page'>a href='{0}?pageIndex={1}pageSize={2}'>首頁(yè)/a>/li> ", redirectToUrl, 1, pageSize);
//處理上一頁(yè):如果當(dāng)前頁(yè)不是第一頁(yè),就加上上一頁(yè)
if (currentPage > 1)
{
pagerHtmlString.AppendFormat("li class='prev-page'>a href='{0}?pageIndex={1}pageSize={2}'>上一頁(yè)/a>/li> ", redirectToUrl, currentPage - 1, pageSize);
}
//假如起始位置start為1 7 13
for (int i = 0; i  curBarCapacity; i++) //curBarCapacity=3 i=0 1 2
{
int j = start + i; //要顯示的頁(yè)碼當(dāng)量值
if (j == currentPage)
{
//對(duì)當(dāng)前頁(yè)的處理:class=active
pagerHtmlString.AppendFormat("li class='active show-page'>span>{0}/span>/li> ", currentPage);
if (curBarCapacity == pageBarSize)
{
//不處理最后一個(gè)分頁(yè)條頁(yè)
if (currentPage == start + pageBarSize - 1)
{
if (currentPage + 1  totalPages)
{
endHtmlString.AppendFormat("li class='show-page'>a href='{0}?pageIndex={1}pageSize={2}'>{3}/a>/li>", redirectToUrl, currentPage + 1, pageSize, currentPage + 1);
}
endHtmlString.Append("li class='show-page'>span>.../span>/li>");
endHtmlString.AppendFormat("li class='show-page'>a href='{0}?pageIndex={1}pageSize={2}'>{3}/a>/li>", redirectToUrl, totalPages, pageSize, totalPages);
}
}
}
else
{
pagerHtmlString.AppendFormat("li class='show-page'>a href='{0}?pageIndex={1}pageSize={2}'>{3}/a>/li> ", redirectToUrl, j, pageSize, j);
}
}
//省略號(hào)的處理
pagerHtmlString.Append(endHtmlString.ToString());
//處理下一頁(yè)：如果當(dāng)前頁(yè)不是最后一頁(yè)，則加上下一頁(yè)。也即中間的所有分頁(yè)條都顯示下一頁(yè)
if (currentPage != totalPages)
{
pagerHtmlString.AppendFormat("li class='next-page'>a href='{0}?pageIndex={1}pageSize={2}'>下一頁(yè)/a>/li> ", redirectToUrl, currentPage + 1, pageSize);
}
//處理末頁(yè)
pagerHtmlString.AppendFormat("li id='end-page'>a href='{0}?pageIndex={1}pageSize={2}'>末頁(yè)/a>/li> ", redirectToUrl, totalPages, pageSize);
pagerHtmlString.AppendFormat("li id='total-page'>span>共-{0}-頁(yè)/span>/li>", totalPages);
pagerHtmlString.Append(" ");
return pagerHtmlString.ToString();
}
}
} 

div class="pagination">
ul>　　　
　li id="start-page">a href="/Home/WrapArtList/0?pageIndex=1pageSize=6">首頁(yè)/a>/li> 　　　　
li class="active show-page">span>1/span>/li> 　　　　
li class="show-page">a href="/Home/WrapArtList/0?pageIndex=2pageSize=6">2/a>/li> 　　　
　li class="show-page">a href="/Home/WrapArtList/0?pageIndex=3pageSize=6">3/a>/li>　　　 
li class="show-page">a href="/Home/WrapArtList/0?pageIndex=4pageSize=6">4/a>/li> 　　　
　li class="show-page">a href="/Home/WrapArtList/0?pageIndex=5pageSize=6">5/a>/li>　　　
li class="next-page">a href="/Home/WrapArtList/0?pageIndex=2pageSize=6">下一頁(yè)/a>/li>　　　
　li id="end-page">a href="/Home/WrapArtList/0?pageIndex=5pageSize=6">末頁(yè)/a>/li> 　　　　
li id="total-page">span>共-5-頁(yè)/span>/li> /ul>
/div> 

/* 分頁(yè)樣式pagination ====== */
.pagination { /* div pagination*/
margin: 0;
padding: 20px;
text-align: center;
font-size: 12px;
display: block;
}
.pagination ul {
display: inline-block;
*display: inline;
*zoom: 1;
margin-left: 0;
margin-bottom: 0;
padding: 0;
}
.pagination ul > li {
display: inline;
}
.pagination ul > li > a,
.pagination ul > li > span {
margin: 0 2px;
float: left;
padding: 5px 12px;
background-color: #ddd;
color: #666;
border-radius: 2px;
opacity: .88;
}
.pagination ul > li > a:hover,
.pagination ul > li > a:focus {
background-color: #bce8f1;
}
.pagination ul > .active > a,
.pagination ul > .active > span {
background-color: #45B6F7;
color: #fff;
}
.pagination ul > .active > a,
.pagination ul > .active > span {
cursor: default;
}
.pagination ul > li > span,
.pagination ul > .disabled > span,
.pagination ul > .disabled > a,
.pagination ul > .disabled > a:hover,
.pagination ul > .disabled > a:focus {
color: #999999;
background-color: transparent;
cursor: default;
}
/* 自定義的分頁(yè)pagination 結(jié)束====== */