/// <summary>
/// ds2012
/// 循环遍历DataTable数据，导出Excel
/// </summary>
/// <param name="dt"></param>
/// <param name="title"></param>
/// <param name="colsName"></param>
public static void OutToExcel(System.Data.DataTable dt, string title, string[] colsName)
{
System.Web.UI.Page page = new System.Web.UI.Page();
System.Data.DataTable ddt = new System.Data.DataTable();
for (int i = 0; i < colsName.Length; i++)
{
DataColumn dc = new DataColumn(colsName[i].Split('=')[1]);
ddt.Columns.Add(dc);
}
for (int k = 0; k < dt.Rows.Count; k++)
{
DataRow dr = ddt.NewRow();
for (int i = 0; i < colsName.Length; i++)
{
dr[colsName[i].Split('=')[1]] = dt.Rows[k][colsName[i].Split('=')[0]];
}
ddt.Rows.Add(dr);
}
System.Web.UI.WebControls.DataGrid dataGrid = new System.Web.UI.WebControls.DataGrid();
dataGrid.DataSource = ddt.DefaultView;
dataGrid.AllowPaging = false;
dataGrid.HeaderStyle.BackColor = System.Drawing.Color.Gray;
dataGrid.HeaderStyle.HorizontalAlign = HorizontalAlign.Center;
dataGrid.HeaderStyle.Font.Bold = true;
dataGrid.ItemStyle.HorizontalAlign = HorizontalAlign.Left;
dataGrid.DataBind();
System.IO.StringWriter tw = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter(tw);
dataGrid.RenderControl(hw);
if (!Directory.Exists(page.Server.MapPath("../UserExcel/")))
{
Directory.CreateDirectory(page.Server.MapPath("../UserExcel/"));
}
string fullpath = page.Server.MapPath("../UserExcel/FileName.xls");
System.IO.StreamWriter sw = System.IO.File.CreateText(fullpath);
sw.Write(tw.ToString());
sw.Close();
string where = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString();
//压缩后的目标文件
string zipPath = page.Server.MapPath("../UserExcel/") + where + ".rar";
ZipClass Zc = new ZipClass();
string err = "";
Zc.ZipFile(fullpath, zipPath, out err);
//删除压缩前的文件
System.IO.File.Delete(fullpath);
System.IO.FileInfo file = new System.IO.FileInfo(zipPath);
System.Web.HttpContext.Current.Response.Clear();
System.Web.HttpContext.Current.Response.ClearContent();
System.Web.HttpContext.Current.Response.ClearHeaders();
System.Web.HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(file.Name).Replace('+', ' '));
System.Web.HttpContext.Current.Response.AddHeader("Content-Length", file.Length.ToString());
System.Web.HttpContext.Current.Response.AddHeader("Content-Transfer-Encoding", "binary");
System.Web.HttpContext.Current.Response.ContentType = "application/zip";
System.Web.HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("utf-8");
System.Web.HttpContext.Current.Response.WriteFile(file.FullName);
System.Web.HttpContext.Current.Response.Flush();
System.Web.HttpContext.Current.Response.End();
}
protected void btnUpLoad_Click(object sender, EventArgs e)
{
ResourcesBLL resources = new ResourcesBLL();
string mfileName = "";
if (this.txtjianjie.Text.Trim().Length > 50)
{
ClientScript.RegisterStartupScript(this.GetType(), "", "alert('" + GetTran("001502", "输入的简介超过50个字符") + "')");
return;
}
if (this.txtResName.Text.Trim() == "")
{
ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('" + GetTran("006938", "资料名称和资料简介不能为空！") + "')</script>");
return;
}
if (!System.IO.Directory.Exists(Server.MapPath("~/Company/upLoadRes/")))
{
System.IO.Directory.CreateDirectory(Server.MapPath("~/Company/upLoadRes/") + "\\");
}
if (Request.QueryString["action"] != "edit")
{
string filepath = upFile.PostedFile.FileName;//获取要上传的文件的说有字符，包括文件的路径，文件的名称文件的扩展名称
//验证上传文件后缀名
string s = filepath.Substring(filepath.LastIndexOf(".") + 1);
s = s.ToLower();
if (s != "rar" && s != "zip")
{
ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('您上传的文件格式不正确，请重新上传！')</script>");
return;
}
try
{
string mPath = Server.MapPath("~/Company/upLoadRes/");
mfileName = filepath.Substring(filepath.LastIndexOf("\\") + 1);
if (mfileName.Length > 30)
{
ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('资料文件名不得大于30个字符！')</script>");
}
else
{
int sizeLength = upFile.PostedFile.ContentLength;
if (sizeLength > 4 * 1024 * 1024)
{
ClientScript.RegisterStartupScript(this.GetType(), "", "alert('上传文件不能超过4MB')", true);
return;
}
string ressize;//文件大小
if (sizeLength <= 1203)
{
ressize = upFile.PostedFile.ContentLength.ToString() + "B";
}
else
{
ressize = Convert.ToString(upFile.PostedFile.ContentLength / 1204) + "K";
}
string resname = this.txtResName.Text.Trim();
string filename = filepath.Substring(filepath.LastIndexOf("\\") + 1);
string resdes = this.txtjianjie.Text.Trim();
string realName = DateTime.Now.Millisecond.ToString() + mfileName;
upFile.PostedFile.SaveAs(mPath + "\\" + realName);
if (CheckFileForm(mPath + "\\" + realName) <= 0)
{
File.Delete(mPath + "\\" + realName);
ClientScript.RegisterStartupScript(this.GetType(), "", "alert('" + GetTran("000823", "上传文件格式不正确！") + "');", true);
return;
}//图片文件上传后进行压缩再删除原有图片
else if (CheckFileForm(mPath + "\\" + realName) == 2)
{
ZipClass zc = new ZipClass();
string err = "";
string zipPath1 = mPath + realName;
string zipPath = zipPath1.Replace(zipPath1.Substring(zipPath1.LastIndexOf(".") + 1), "rar");
realName = realName.Replace(realName.Substring(realName.LastIndexOf(".") + 1), "rar");
bool res = zc.ZipFile(zipPath1, zipPath, out err);
if (res)
{
File.Delete(zipPath1);
}
else
{
labUpInfo.Text = err;
return;
}
}
RecordResInfo(resname, realName, resdes, ressize, DateTime.UtcNow.ToLongDateString());
this.txtjianjie.Text = "";
this.txtResName.Text = "";
}
}
catch (Exception)
{
//throw;
labUpInfo.Text = "上传失败！该资料的操作权限不够，请设置权限再进行上传！";
}
}
else
{
string resname = this.txtResName.Text.Trim();
string resdes = this.txtjianjie.Text.Trim();
UpdateResInfo(resname, "", resdes, "");
this.labUpInfo.Text = GetTran("001505", "资料修改成功") + "！";
}
}
