我要评论#region 上传execl文件
protected void button1_click(object sender, eventargs e)
{
if (fileupload1.hasfile)
{
string newfilename = string.empty;
string errormess = uploadfile(fileupload1, ".xls|.xlsx", 1024 * 5, server.mappath("/report/socialapply/"), 1, out newfilename);
if (string.isnullorempty(errormess))
{
label1.text = "√文件上传成功";
viewstate["uploadfile"] = "/report/socialapply/" + newfilename;
try
{
filestream file = new filestream
(server.mappath(viewstate["uploadfile"] as string),
filemode.open, fileaccess.read,
fileshare.readwrite);
datatable dt1 = fairhr.util.xmlexcelreport.readexceltodatatable(file, 0, 0);
viewstate.add("viewdt", dt1);
gridview1.datasource = viewstate["viewdt"] as datatable;
gridview1.databind();
file.close();
//maticsoft.common.messagebox.responsescript(page, "$.messager.alert('系统提示', '操作成功！', 'info');");
}
catch
{
maticsoft.common.messagebox.responsescript(page, "$.messager.alert('系统提示', '请重新上传execl文件再操作', 'warning');");
}
}
else
{
label1.text = "×文件上传失败";
}
}
else
{
label1.text = "×请先选择上传文件";
}
scriptmanager.registerclientscriptblock(page, this.gettype(), "idalert1", "closeload();", true);
}
#endregion
#region 上传文件
/// <summary>
/// 上传文件
/// </summary>
/// <param name="fu">上传文件</param>
/// <param name="type">上传文件类型,例如.jpg|.gif|.bmp</param>
/// <param name="size">限制上传文件大小，单位为k</param>
/// <param name="path">上传路径，需使用server.mappath</param>
/// <param name="nametype">1为自动命名,0用原名</param>
/// <returns></returns>
public static string uploadfile(fileupload fu, string type, int size, string path, int nametype, out string newfilename)
{
newfilename = null;
string erorr = null;
int size = fu.postedfile.contentlength / 1024;
if (size > size)
{
erorr = "上传文件太大！";
return erorr;
}
string type = fu.filename;
if (type.indexof(".") == -1) { erorr = "上传文件类型有误！"; return erorr; }
type = type.substring(type.lastindexof(".")).toupper();
type = type.toupper();
if (type.indexof(type) == -1) { erorr = "上传文件类型有误！"; return erorr; }
string filename = "";
if (nametype == 1)
{
string nowdate = datetime.now.tostring();
nowdate = nowdate.replace(":", "").replace(" ", "").replace("-", "").trim();
random r = new random();
int a = r.next(1000);
filename = nowdate + a.tostring() + type;
newfilename = filename;
}
else
{
filename = fu.filename;
if (system.io.file.exists(path + filename)) { erorr = "此文件名已经存在！"; return erorr; }
}
fu.saveas(path + filename);
return erorr;//返回有错的错误信息，没有错误返回null
}
#endregion
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