Aspnet中带进度条的批量静态页生成

namespace WDFROG.BLL { public delegate void CreateHtmlHandler(string fileName,string msg,int percent ); public class News { private const string C_ERR_MSG = "You have no rights!"; private const string C_CHK_NAME = "NewsManage"; private static string C_DIR = ConfigurationManager.AppSettings["NewsHtml"]; public event CreateHtmlHandler CompleteAFile; public static int Create(string AdminName,NewsInfo news) { IPermissionChecker chk = PermissionCheckerFactory.GetChecker(AdminName, C_CHK_NAME); chk.Check(C_ERR_MSG); news.HtmlFile =FileOperator.GetRandFileName(".html"); int ret= NewsDAL.Create(news); CreateHtmlFile(news); return ret; } public static int DeleteByIdList(string AdminName,string IdList) { IPermissionChecker chk = PermissionCheckerFactory.GetChecker(AdminName, C_CHK_NAME); chk.Check(C_ERR_MSG); DataTable dt = SelectHtmlFileByIdList(IdList).Tables[0]; string fileName = ""; foreach (DataRow dr in dt.Rows) { if (!(dr[0] is DBNull)) { fileName = dr[0].ToString(); if(string.IsNullOrEmpty(fileName)) { fileName = FileOperator.MapPath(C_DIR + fileName); File.Delete(fileName); } } } return NewsDAL.DeleteByIdList(IdList); } public static int DeleteByNewsID(string AdminName, int NewsID) { IPermissionChecker chk = PermissionCheckerFactory.GetChecker(AdminName, C_CHK_NAME); chk.Check(C_ERR_MSG); string fileName = SelectHtmlFile(NewsID); if (!string.IsNullOrEmpty(fileName)) File.Delete(HttpContext.Current.Server.MapPath(C_DIR + fileName)); return NewsDAL.DeleteByNewsID(NewsID); } public static DataSet QueryPage(int ClassID, string Title, int PageSize, int PageIndex) { return NewsDAL.QueryPage(ClassID,Title,PageSize,PageIndex); } public static int QueryPageCount(int ClassID, string Title) { return NewsDAL.QueryPageCount( ClassID, Title); } public static DataSet QueryTopNews(int ClassID, int Num, bool OrderType) { return NewsDAL.QueryTopNews(ClassID, Num, OrderType); } public static string SelectHtmlFile(int NewsID) { return NewsDAL.SelectHtmlFile(NewsID); } public static DataSet SelectHtmlFileByIdList(string IdList) { return NewsDAL.SelectHtmlFileByIdList(IdList); } public static int Update(string AdminName,NewsInfo news) { IPermissionChecker chk = PermissionCheckerFactory.GetChecker(AdminName, C_CHK_NAME); chk.Check(C_ERR_MSG); int ret= NewsDAL.Update(news); CreateHtmlFile(news); return ret; } public static DataSet QueryPageWithContent(int ClassID, string Title, int PageSize, int PageIndex) { return NewsDAL.QueryPageWithContent( ClassID, Title, PageSize, PageIndex); } //这里 public void CreateHtmlFile(int startPage, int endPage,int pageSize,int ClassID) { int total = QueryPageCount(ClassID, string.Empty); total=(total % pageSize)==0 ? total / pageSize : (total /pageSize) +1; if (total < endPage) endPage = total; string fileName = ""; string HtmlFile = ""; int rTotal = (endPage - startPage + 1) * pageSize; //总记录数 for (int i = startPage; i <= endPage; i++) { DataTable dt = QueryPageWithContent(ClassID, string.Empty, pageSize, i).Tables[0]; int curR = (i-startPage) * pageSize; foreach (DataRow dr in dt.Rows) { if (!(dr["HtmlFile"] is DBNull)) { HtmlFile = dr["HtmlFile"].ToString(); if (string.IsNullOrEmpty(HtmlFile)) { HtmlFile = FileOperator.GetRandFileName(".html"); } fileName = XMLData.GetFileNameByID(TemplateNode.News, (int)dr["TemplateID"]); string tempContent = FileOperator.LoadFileWithCache(fileName); tempContent = tempContent.Replace("{$NewsTitle$}", dr["title"].ToString()); tempContent = tempContent.Replace("{$NewsContent$}", dr["content"].ToString()); tempContent = tempContent.Replace("{$NewsAddTime$}", ((DateTime)dr["AddTime"]).ToString("yyyy-MM-dd")); curR++; FileOperator.SaveFile(FileOperator.MapPath(C_DIR + HtmlFile), tempContent); if (CompleteAFile != null) CompleteAFile(HtmlFile, string.Empty,(curR * 100)/rTotal); } } } } private static void CreateHtmlFile(NewsInfo news) { string fileName = XMLData.GetFileNameByID(TemplateNode.News, news.TemplateID); string tempContent = FileOperator.LoadFileWithCache(fileName); tempContent = tempContent.Replace("{$NewsTitle$}", news.Title); tempContent = tempContent.Replace("{$NewsContent$}", news.Content); tempContent=tempContent.Replace("{$NewsAddTime$}",news.AddTime.ToString("yyyy-MM-dd")); FileOperator.SaveFile(HttpContext.Current.Server.MapPath(C_DIR + news.HtmlFile),tempContent); } } } public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void NavigateButton1_Click(object sender, EventArgs e) { WDFROG.BLL.News.DeleteByIdList(Admin.AdminName, "1,2,3,4,5,6"); } protected void Button1_Click(object sender, EventArgs e) { WDFROG.BLL.News objNews = new News(); objNews.CompleteAFile += new CreateHtmlHandler(CreateAFile); Response.Buffer = false; Response.Write("<div style="width: 100px; height: 25px;background-color:yellow;" Id="cp">_</div>" + Environment.NewLine); objNews.CreateHtmlFile(1, 100, 30, -1); Response.Write("<script>cp.style.visibility='hidden'</script>"); } protected void CreateAFile(string fileName, string msg, int percent) { this.Response.Write(string.Format("<script> cp.innerHTML='Complete {0}%'; </script>", percent )); Response.Flush(); } }