protected void btnDataOut_Click(object sender,EventArgs e)

{

DataToExcel dte = new DataToExcel();

DataTable dt = null;

if (sid > 0)

{

dt = Users.GetAuthUserListByGroupidList("8",sid.ToString());

}

else

{ dt = Users.GetAuthUserListByGroupid(8); }

UserInfo userInfo = new UserInfo();

if (dt.Rows.Count > 0)

{

dt = ChangeSchema(dt);

foreach (DataRow dr in dt.Rows)

{

userInfo = AdminUsers.GetUserInfo(Convert.ToInt32(dr["uid"].ToString().Trim()));

dr["realname"] = userInfo.Realname.ToString().Trim();

dr["mobile"] = userInfo.Mobile.ToString().Trim();

dr["organization"] = filterIds(dr["organization"].ToString().Trim());

dr["email"] = dr["email"].ToString().Trim();

dr["username"] = dr["username"].ToString().Trim();

if (dr["gender"].ToString() == "0") dr["gender"] = "男";

if (dr["gender"].ToString() == "1") dr["gender"] = "女";

}

}

for (int i = 0; i < dt.Columns.Count; )

{

if (dt.Columns[i].ColumnName.Contains("username") || dt.Columns[i].ColumnName.Contains("realname") || dt.Columns[i].ColumnName.Contains("mobile") || dt.Columns[i].ColumnName.Contains("gender") || dt.Columns[i].ColumnName == "email" || dt.Columns[i].ColumnName.Contains("organization"))

{ i++; }

else

{

dt.Columns.Remove(dt.Columns[i].ColumnName);

dt.AcceptChanges();

}

}

DataTable dtAuth = new DataTable();

dtAuth.Columns.Add("真实姓名",typeof(string));

dtAuth.Columns.Add("性别",typeof(string));

dtAuth.Columns.Add("用户名",typeof(string));

dtAuth.Columns.Add("手机号码",typeof(string));

dtAuth.Columns.Add("所属企业",typeof(string));

dtAuth.Columns.Add("E_mail",typeof(string));

foreach (DataRow dr in dt.Rows)

{

dtAuth.Rows.Add(new Object[] { dr["realname"],dr["gender"],dr["username"],dr["mobile"],dr["organization"],dr["email"] });

}

DataTable2Excel(dtAuth,"userinfo");

}

//dtData是要导出为Excel的DataTable,FileName是要导出的Excel文件名(不加.xls)

private void DataTable2Excel(System.Data.DataTable dtData,String FileName)

{

System.Web.UI.WebControls.GridView dgExport = null;

//当前对话

System.Web.HttpContext curContext = System.Web.HttpContext.Current;

//IO用于导出并返回excel文件

System.IO.StringWriter strWriter = null;

System.Web.UI.HtmlTextWriter htmlWriter = null;

if (dtData != null)

{

//设置编码和附件格式

//System.Web.HttpUtility.UrlEncode(FileName,System.Text.Encoding.UTF8)作用是方式中文文件名乱码

curContext.Response.Charset = "GB2312";

curContext.Response.ContentEncoding = System.Text.Encoding.UTF8;

curContext.Response.AddHeader("content-disposition","attachment;filename=" + System.Web.HttpUtility.UrlEncode(FileName,System.Text.Encoding.UTF8) + ".xls");

curContext.Response.ContentType = "application nd.ms-excel";

//导出Excel文件

strWriter = new System.IO.StringWriter();

htmlWriter = new System.Web.UI.HtmlTextWriter(strWriter);

dgExport = new System.Web.UI.WebControls.GridView();

dgExport.DataSource = dtData.DefaultView;

dgExport.AllowPaging = false;

dgExport.DataBind();

//下载到客户端

dgExport.RenderControl(htmlWriter);

curContext.Response.Write(strWriter.ToString());

curContext.Response.End();

}

}