[研究]ASP.NET,WebForm,用 OdsReaderWriter + DotNetZip (Ionic.Zip) 1.16.0 匯出 .ods
2024-03-29
環境：Visual Studio 2022 + ASP.NET + WebForm + Web Application + C# + SQL Server 2019 + SQL Server Management Studio (SSMS) 19
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注意
- OdsReaderWriter.cs 和 template.ods 從下面文章取得
How to Read and Write ODF/ODS Files (OpenDocument Spreadsheets) - CodeProject
https://www.codeproject.com/Articles/38425/How-to-Read-and-Write-ODF-ODS-Files-OpenDocument-2
下載得到 odsreadwrite.zip，包含 OdsReaderWriter.cs
- OdsReaderWriter.cs 中
//ZipFile templateFile = this.GetZipFile(Assembly.GetExecutingAssembly().GetManifestResourceStream("OdsReadWrite.template.ods"));
改成
ZipFile templateFile = this.GetZipFile(File.OpenRead(HttpContext.Current.Server.MapPath("/template.ods")));
- NuGet 要安裝 DotNetZip，要 using
using Ionic.Zip; // Ionic.Zip 被 DotNetZip 取代，NuGet 安裝 DotNetZip，但是 using 還是用舊名稱 Ionic.Zip
- Web.Config 中暫時存放路徑，要手動建立好。
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Web.Config
<?xml version="1.0" encoding="utf-8"?> <!-- 如需如何設定 ASP.NET 應用程式的詳細資訊，請前往 https://go.microsoft.com/fwlink/?LinkId=169433 --> <configuration> <connectionStrings> <add name="MyDBConnectionString" connectionString="Data Source=127.0.0.1;Initial Catalog=MyDB;User ID=sa;Password=P@ssw0rd" providerName="System.Data.SqlClient" /> </connectionStrings> <system.web> <compilation debug="true" targetFramework="4.8" /> <httpRuntime targetFramework="4.8" /> </system.web> <system.codedom> <compilers> <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:default /nowarn:1659;1699;1701" /> <compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:default /nowarn:41008 /define:_MYTYPE=\"Web\" /optionInfer+" /> </compilers> </system.codedom> <appSettings> <add key="TempFolder" value="D:\Production\TempImageFiles\" /> </appSettings> </configuration> |
Default.aspx
<%@ Page Language="C#" AutoEventWireup="true"
CodeBehind="Default.aspx.cs" Inherits="WebApplication2.Default" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
</head>
<body>
<form id="form1" runat="server">
<asp:SqlDataSource ID="SqlDataSource_Field2" runat="server"
ConnectionString="<%$ ConnectionStrings:MyDBConnectionString %>"
SelectCommand="SELECT N'全部' AS [Field2], 0 AS Priority
UNION
SELECT DISTINCT [Field2], 1 AS Priority FROM [MyTable] ORDER BY Priority, [Field2]"></asp:SqlDataSource>
<asp:DropDownList ID="DropDownList_Field2" runat="server"
AutoPostBack="True" DataSourceID="SqlDataSource_Field2"
DataTextField="Field2" DataValueField="Field2">
</asp:DropDownList>
<br />
<asp:Button ID="Button_Export_ODS_by_OdsReaderWriter_DotNetZip_IonicZip" runat="server" Text="匯出(.ods)"
OnClick="Button_Export_ODS_by_OdsReaderWriter_DotNetZip_IonicZip_Click" /><br />
<asp:Label ID="Label_MSG1" runat="server" Text="Label"></asp:Label>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:MyDBConnectionString %>"
SelectCommand="--TSQL--
SELECT * FROM [MyTable]
WHERE ([Field2]=@Field2 OR @Field2=N'全部');">
<SelectParameters>
<asp:ControlParameter ControlID="DropDownList_Field2" Name="Field2" PropertyName="SelectedValue" />
</SelectParameters>
</asp:SqlDataSource>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="SN" DataSourceID="SqlDataSource1">
<Columns>
<asp:BoundField DataField="SN" HeaderText="SN" InsertVisible="False" ReadOnly="True" SortExpression="SN" />
<asp:BoundField DataField="Field1" HeaderText="Field1" SortExpression="Field1" />
<asp:BoundField DataField="Field2" HeaderText="Field2" SortExpression="Field2" />
</Columns>
</asp:GridView>
</form>
</body>
</html>
|
Default.aspx.cs
using OdsReadWrite; // 需要 OdsReaderWriter.cs 檔案
using System;
using System.Data;
using System.Data.SqlClient;
using System.IO;
using System.Web;
using System.Web.Configuration;
using System.Web.UI;
namespace WebApplication2
{
public partial class Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
//【匯出(.ods)】
#region === protected void Button_Export_ODS_by_OdsReaderWriter_DotNetZip_IonicZip_Click(object sender, EventArgs e) ===
protected void Button_Export_ODS_by_OdsReaderWriter_DotNetZip_IonicZip_Click(object sender, EventArgs e)
{
// Import
// https://docs.microsoft.com/en-us/office/open-xml/how-to-parse-and-read-a-large-spreadsheet
// Export
// https://docs.microsoft.com/en-us/office/open-xml/how-to-create-a-spreadsheet-document-by-providing-a-file-name
//Insert text into a cell in a spreadsheet document(Open XML SDK)
//https://docs.microsoft.com/zh-tw/office/open-xml/how-to-insert-text-into-a-cell-in-a-spreadsheet
string mainFileName = "匯出檔案名稱";
// 若檔案名稱有中文字或特殊符號，Response.AddHeader() 輸出檔案名稱要編碼
string outFileName = HttpUtility.UrlEncode(mainFileName, System.Text.Encoding.UTF8) + "-" +
DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss-fff") + ".ods";
// XLWorkbook.SaveAs() 輸出檔案名稱不要用 HttpUtility.UrlEncode 編碼
// Response.TransmitFile() 輸出檔案名稱不要用 HttpUtility.UrlEncode 編碼
string dirFileName = @"D:\Production\TempImageFiles\" + mainFileName + "-" +
DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss-fff") + ".ods";
try
{
Response.Clear();
Response.Buffer = true;
Response.Charset = "";
#region === Export ODS ===
// [EXCEL] Excel打開是亂碼？快速找回資料的最好方法！
// http://blog.e-happy.com.tw/excel-excel%E6%89%93%E9%96%8B%E6%98%AF%E4%BA%82%E7%A2%BC%EF%BC%9F%E5%BF%AB%E9%80%9F%E6%89%BE%E5%9B%9E%E8%B3%87%E6%96%99%E7%9A%84%E6%9C%80%E5%A5%BD%E6%96%B9%E6%B3%95%EF%BC%81/
// Excel開啟CSV時的中文編碼問題補遺
//https://blog.darkthread.net/blog/csv-encoding-again/
//Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
Response.ContentType = "application/vnd.oasis.opendocument.spreadsheet"; // ODF/.ods
Response.AddHeader("content-disposition", "attachment;filename=" + outFileName);
using (MemoryStream MyMemoryStream = new MemoryStream())
{
StreamWriter odsFileStreamWriter = new StreamWriter(MyMemoryStream);
StreamReader odsFileStreamReader = new StreamReader(new MemoryStream());
string dataText = "";
DataSet ds = new DataSet("DS1");
//DataTable dt = new DataTable();
DataTable dt = ds.Tables.Add("工作表1");
string[] columnNameArray = {
"流水號"
,"欄位1"
,"欄位2"
};
foreach (string columnName in columnNameArray)
{
DataColumn dataColumnName = new DataColumn
{
DataType = System.Type.GetType("System.String"),
ColumnName = columnName
};
dt.Columns.Add(dataColumnName);
}
DataRow dataColumnNameRow = dt.NewRow();
int ii = 0;
foreach (string columnName in columnNameArray)
{
dataColumnNameRow[ii] = columnName;
ii++;
}
dt.Rows.Add(dataColumnNameRow);
string queryString = SqlDataSource1.SelectCommand;
using (SqlConnection connection = new SqlConnection(WebConfigurationManager.ConnectionStrings["MyDBConnectionString"].ConnectionString))
{
SqlCommand command = new SqlCommand(queryString, connection);
command.Parameters.Clear();
command.Parameters.AddWithValue("@Field2", DropDownList_Field2.SelectedValue);
connection.Open();
//Get All column
//var columnNames = Enumerable.Range(0, reader.FieldCount)
// .Select(reader.GetName)
// .ToList();
////Create headers
//sb.Append(string.Join(",", columnNames));
////Append Line
//sb.AppendLine();
try
{
using (SqlDataReader reader = command.ExecuteReader())
{
while (reader.Read())
{
//Console.WriteLine(String.Format("{0}", reader[0]));
DataRow datarow = dt.NewRow();
for (int i = 0; i < reader.FieldCount; i++)
{
dataText = reader[i].ToString();
// 換掉影響 CSV 顯示效果的字元
dataText = dataText.Replace("\r", "").Replace("\n", "").Replace("\t", "").Replace(",", "，").Replace("'", "′").Replace(@"""", "”");
//if (i > 0)
//{
// datarow[i - 1] = dataText;
//}
datarow[i] = dataText;
//if (i == 1)
//{
// //if (csvContent=="")
// // csvContent = dataText;
// //else
// //csvContent = csvContent + "\r\n" + dataText;
// csvContent.Append("\r\n" + dataText);
//}
//else
//{
// //csvContent = csvContent + "," + dataText;
// csvContent.Append("," + dataText);
//}
}
dt.Rows.Add(datarow);
}
}
OdsReaderWriter odsFile = new OdsReaderWriter();
//odsFile.WriteOdsFile(ds, @"C:\TEMP\1.ods");
odsFile.WriteOdsFile(ds, dirFileName);
Label_MSG1.ForeColor = System.Drawing.Color.Green;
string msg = DateTime.Now.ToString() + "匯出成功。";
Label_MSG1.Text = msg;
Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('" + msg + "');</script>");
}
catch (Exception)
{
throw;
}
}
Response.TransmitFile(dirFileName);
Response.End();
}
#endregion Export ODS
}
catch (Exception)
{
throw;
}
Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('匯出成功。');</script>");
}
#endregion
}
}
|
實際測試可以成功匯入。
(完)
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