长文章分页程序（根据设定标记）_vue 长文章分页-优快云博客

本文介绍了一种在ASP.NET中实现文章内容分页显示的方法，通过检查内容中是否存在特定分页标记来决定是否进行分页，并展示了如何计算总页数、当前页以及生成页面导航元素。

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//分页类
public static string PageInfo(int count, string pageInfo, int pageList, int nowPage, string pageStr, string unit)
{
 int pageCount = 1;
 string temp = "" + pageInfo + "共有" + count + unit + " " + "每页" + pageList + unit + pageInfo;
 if (count > 0)
 {
 string firstPage = "";//首页
 string lastPage = "";//上一页
 string nextPage = "";//下一页
 string endPage = "";//未页
 pageCount = count / pageList;
 string selectStr = "跳转：<select name='PageSelect' οnchange='window.location.href=value' id='PageSelect'>";//下拉单
 if ((count % pageList) > 0)
 {
 pageCount++;
 }
 for (int i = 1; i <= pageCount; i++)
 {
 if (i == nowPage)
 {
 selectStr += "<option selected='selected' value='" + pageStr + "page=" + i + "'>" + i + "</option>";
 }
 else
 {
 selectStr += "<option value='" + pageStr + "page=" + i + "'>" + i + "</option>";
 }
 }
 selectStr += "</select>";
 if (pageCount == 1)
 {
 firstPage = "首页";
 lastPage = "上一页";
 nextPage = "下一页";
 endPage = "尾页";
 }
 else
 {
 if (nowPage == 1)
 {
 firstPage = "首页";
 lastPage = "上一页";
 nextPage = "<a href='" + pageStr + "page=" + (nowPage + 1) + "'>下一页</a>";
 endPage = "<a href='" + pageStr + "page=" + pageCount + "'>尾页</a>";
 }
 else if (nowPage == pageCount)
 {
 firstPage = "<a href='" + pageStr + "page=1'>首页</a>";
 lastPage = "<a href='" + pageStr + "page=" + (pageCount - 1) + "'>上一页</a>";
 nextPage = "下一页";
 endPage = "尾页";
 }
 else
 {
 nextPage = "<a href='" + pageStr + "page=" + (nowPage + 1) + "'>下一页</a>";
 lastPage = "<a href='" + pageStr + "page=" + (nowPage - 1) + "'>上一页</a>";
 firstPage = "<a href='" + pageStr + "page=1'>首页</a>";
 endPage = "<a href='" + pageStr + "page=" + pageCount + "'>尾页</a>";
 }
 }
 temp += "  " + firstPage + "  " + lastPage + "  " + nextPage + "  " + endPage + "  " + selectStr;
 }
 else
 {
 temp = "";
 }
 return temp;
}

//实现代码

int page = 1;
if (Request.QueryString["page"] != null)
{
page = Convert.ToInt32(Request.QueryString["page"].Trim());
}

int ArticleID = Convert.ToInt16(Request["ID"]);
dr = MyclassDA.Index_Article_Show(ArticleID); //SqlDataReader Index_Article_Show(int ID) 创建对象
dr.Read();

show1.InnerHtml = dr["Title"].ToString();
string content = dr["Content"].ToString();
ArrayList body = new ArrayList();

string PageStr = "a_read.aspx?id=" + ArticleID + "&";

if (content.IndexOf("{#NextPage#}") > -1)//存在分页符号则分页
{
 //string[] tempList = content.Split(new string[] { "{@Next@}" }, StringSplitOptions.RemoveEmptyEntries);//String.Split 2.0新增特性
 //string[] tempList = SplitPage(content,"{@Next@}");//内容分页
 string[] tempList = Regex.Split(content, "{#NextPage#}", RegexOptions.IgnoreCase);
 for (int i = 0; i < tempList.Length; i++)
 {
 body.Add(tempList[i]);
 }

}
else
{
body.Add(content);//直接输出内容
}

if (page < 1 || page > body.Count)
{
page = 1;
}

if (body.Count == 1)
{
 l_content.InnerHtml = (string) body[0];
}
else
{
 if (page <= body.Count)
 {
 l_content.InnerHtml = (string) body[page - 1];
 }
 else
 {
 l_content.InnerHtml = (string) body[0];
 }
}

MyCutePage.InnerHtml = CommonClass.PageInfo(body.Count, "新闻", 1, page, PageStr, "篇");

dr.Close();

作者：阿良.net
转自：http://www.chenjiliang.com/Article/View.aspx?ArticleID=2652&TypeID=84