zengzhengyou的专栏

private string savefile(string content) { try { #region 保存文章内容为html文件 DateTime dt = DateTime.Now; //设置文件夹路径 string directory = @"D:\"; //文件名称 以时间命名 避免重名 string filename = dt.Year.ToString() + dt.Month.ToString() + dt.Day.ToString() + dt.Hour.ToString() + dt.Minute.ToString() + dt.Second.ToString() + dt.Millisecond.ToString(); //文件扩展名 可根据具体需要修改 string othername = @".html"; //文件保存完整路径 string path = directory + filename + othername; //验证文件夹是否存在 不存在则创建 if (!Directory.Exists(directory)) { Directory.CreateDirectory(directory); } //以创建文件的方式写入内容 FileStream fs = new FileStream(path, FileMode.CreateNew, FileAccess.Write); StreamWriter sw = new StreamWriter(fs, System.Text.Encoding.Default); sw.WriteLine(content); sw.Close(); fs.Close(); return @"D:/" + filename + othername;//返回文件存储路径 #endregion } catch (Exception ex) { //错误处理 return ""; } }

protected void Button1_Click(object sender, EventArgs e) { System.Web.HttpContext curContext = System.Web.HttpContext.Current; if (dt != null) { string filename = "档案全宗"; string name1 = filename; filename = HttpUtility.UrlEncode(filename, System.Text.Encoding.UTF8); HttpResponse resp = System.Web.HttpContext.Current.Response; resp.Charset = "utf-8"; resp.Clear(); resp.AppendHeader("Content-Disposition", "attachment;filename=" + filename + ".xls"); resp.ContentEncoding = System.Text.Encoding.UTF8; resp.ContentType = "application/ms-excel"; string style ="<meta http-equiv=\"content-type\" content=\"application/ms-excel; charset=utf-8\"/>"+ "<style> .table{ font: 9pt Tahoma, Verdana; color: #000000; text-align:center; background-color:#8ECBE8; }.table td{text-align:center;height:21px;background-color:#EFF6FF;}.table th{ font: 9pt Tahoma, Verdana; color: #000000; font-weight: bold; background-color: #8ECBEA; height:25px; text-align:center; padding-left:10px;}</style>"; resp.Write(style); //resp.Write(ExportTable(list)); resp.Write("<table class='table'><tr><th>" +"文件标题"+ "</th><th>" + "档案类别" + "</th><th>" +"发文日期" + "</th><th>" +"文件链接" + "</th><th>" +"备注" + "</th></tr>"); //VideoList = (List<subShiyongModel>)Session["dbVideoList"]; for(int i=0;i<dt.Rows.Count;i++) { resp.Write("<tr><td>" + dt.Rows[i]["FileName"]+ "</td>"); resp.Write("<td>" +dt.Rows[i]["type"]+ "</td>"); resp.Write("<td>" + dt.Rows[i]["fromtime"].ToString()+ "</td>"); resp.Write("<td>" + dt.Rows[i]["url"]+ "</td>"); resp.Write("<td>" + dt.Rows[i]["beizhu"]+ "</td>"); resp.Write("</tr>"); } resp.Write("<table>"); resp.Flush(); resp.End(); }

string json = ""; string newfilename = ""; string path = ""; try { if (context.Request.Files["file_upload"] != null && context.Request.Files["file_upload"].FileName != "") { string hzm = System.IO.Path.GetExtension(context.Request.Files["file_upload"].FileName);//后缀名 如 .doc string[] a = { ".txt", ".jpg", ".jpeg", ".gif", ".png", ".docx", ".doc", ".xlsx", ".xls", ".rar", ".zip",".pdf" };//设定好了的格式 if (!a.Contains(hzm)) { json = "{\"statusCode\":\"300\",\"message\":\"文件格式不正确\",\"navTabId\":\"nav6\",\"rel\":\"\",\"callbackType\":\"\",\"forwardUrl\":\"\"}"; return json; } else { int defaulsize = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["filesize"]);//取得设置的默认文件的大小 int filesize = (context.Request.Files["file_upload"].ContentLength) / 1024; //取得上传的文件的大小，单位为bytes if (filesize < defaulsize) { #region 对文件进行操作 newfilename = DateTime.Now.ToString("yyyyMMddHHmmssfff") + hzm;//文件的新名字 如20120711105734222.doc path = System.Web.HttpContext.Current.Server.MapPath("~/UploadFile//");//文件保存的路径 if (!Directory.Exists(path)) { Directory.CreateDirectory(path); } #endregion } else { //超过了文件的大小 json = "{\"statusCode\":\"300\",\"message\":\"上传的文件超过了3000M,请重新选择\",\"navTabId\":\"nav6\",\"rel\":\"\",\"callbackType\":\"\",\"forwardUrl\":\"\"}"; return json; } } } } catch (Exception) { json = "{\"statusCode\":\"300\",\"message\":\"文件格式不正确\",\"navTabId\":\"nav6\",\"rel\":\"\",\"callbackType\":\"\",\"forwardUrl\":\"\"}"; return json; } if (newfilename != "") { context.Request.Files["file_upload"].SaveAs(path + newfilename); //保存文件 }

控件UpdloadFile文件上传eg: string newfilename = file_uploadid.FileName; string size = file_uploadid.PostedFile.ContentLength.ToString(); string type = file_uploadid.PostedFile.ContentType; string type2 = newfilename.Substring(newfilename.LastIndexOf(".") + 1); string path = ""; try { if (file_uploadid.PostedFile != null && file_uploadid.PostedFile.FileName != "") { string hzm = System.IO.Path.GetExtension(file_uploadid.PostedFile.FileName);//后缀名 如 .doc string[] a = { ".txt", ".jpg", ".jpeg", ".gif", ".png", ".docx", ".doc", ".xlsx", ".xls", ".rar", ".zip", ".pdf" };//设定好了的格式 if (!a.Contains(hzm)) { Response.Write("文件格式不正确"); } else { int defaulsize = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["filesize"]);//取得设置的默认文件的大小 int filesize = (file_uploadid.PostedFile.ContentLength) / 1024; //取得上传的文件的大小，单位为bytes if (filesize < defaulsize) { #region 对文件进行操作 newfilename = DateTime.Now.ToString("yyyyMMddHHmmssfff") + hzm;//文件的新名字 如20120711105734222.doc path = System.Web.HttpContext.Current.Server.MapPath("~/UploadFile//");//文件保存的路径 if (!Directory.Exists(path)) { Directory.CreateDirectory(path); } #endregion } else { //超过了文件的大小 Response.Write("上传的文件超过了3000M,请重新选择 "); } } } } catch (Exception) { Response.Write("文件格式不正确"); } #endregion if (newfilename != "") { file_uploadid.SaveAs(path + newfilename); //保存文件 }

HTML控件分页： LoadRankUnitPrice() { int PageNow = Convert.ToInt32(currentpage.Text);//当前页 PagedDataSource pds = new PagedDataSource(); pds.DataSource = dtcol.DefaultView; pds.AllowPaging = true;//允许分页 pds.PageSize = 20;//每页显示20条数据 pds.CurrentPageIndex = PageNow - 1;//取得当前页的页码 First.Enabled = true; Front.Enabled = true; Next.Enabled = true; Last.Enabled = true; if (PageNow == 1) { First.Enabled = false; Front.Enabled = false; } if (PageNow == pds.PageCount) { Next.Enabled = false; Last.Enabled = false; } this.allpage.Text = Convert.ToString(pds.PageCount);//共多少页 this.alldata.Text = Convert.ToString(dt.Rows.Count); this.docment.DataSource = pds; docment.DataBind(); } protected void First_Click(object sender, EventArgs e) { this.currentpage.Text = "1"; this.LoadRankUnitPrice(); } /// <summary> 上一页</summary> protected void Front_Click(object sender, EventArgs e) { this.currentpage.Text = Convert.ToString(Convert.ToInt32(currentpage.Text) - 1); this.LoadRankUnitPrice(); } /// <summary> 下一页</summary> protected void Next_Click(object sender, EventArgs e) { this.currentpage.Text = Convert.ToString(Convert.ToInt32(currentpage.Text) + 1); this.LoadRankUnitPrice(); } /// <summary> 尾页</summary> protected void Last_Click(object sender, EventArgs e) { this.currentpage.Text = this.allpage.Text; this.LoadRankUnitPrice(); }

js 是否为数字 function MustNumber() { if (((event.keyCode >= 48) && (event.keyCode <= 57)) || (event.keyCode == 46)) { event.returnValue = true; } else { event.returnValue = false; } }

c++ 课程实践。。通讯录 ，用c++写的可实现添加、删除、修改、查找、显示输入的或者存入磁盘的电话号码

ACM 超大数的动态数组 10进制转换为2进制。

用jsp简单的获取系统时间，年月日，其他的可以自己添加

用c写的万年历，菜鸟写的。

用c语言写的简单的实现九宫格