[研究]ASP.NET,WebForm,用 OdsReaderWriter + DotNetZip (Ionic.Zip) 1.16.0 共用匯出 .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
- 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> |
OdsCommon.cs
using Ionic.Zip; // Ionic.Zip 被 DotNetZip 取代,NuGet 安裝 DotNetZip,但是 using 還是用舊名稱 Ionic.Zip using OdsReadWrite; // 需要 修改過的 OfdReadWrite.cs 檔案 using System; using System.Collections.Generic; using System.Data; using System.Data.SqlClient; using System.Globalization; using System.IO; using System.Web; using System.Web.Configuration; using System.Web.UI; using System.Web.UI.WebControls; using System.Xml; namespace WebApplication2 { public class OdsCommon { //【匯出(.ods)】 #region === public void ExportODS(string odsFilename, string sqlDataSourceSelectCommand) === public static void ExportODS(string odsFilename, string[] columnNameArray, string sqlDataSourceSelectCommand, SqlParameter[] parameters) { // 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 = odsFilename; // 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 { System.Web.HttpContext.Current.Response.Clear(); System.Web.HttpContext.Current.Response.Buffer = true; System.Web.HttpContext.Current.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"; System.Web.HttpContext.Current.Response.ContentType = "application/vnd.oasis.opendocument.spreadsheet"; // ODF/.ods System.Web.HttpContext.Current.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 = SqlDataSource.SelectCommand; string queryString = sqlDataSourceSelectCommand; using (SqlConnection connection = new SqlConnection(WebConfigurationManager.ConnectionStrings["MyDBConnectionString"].ConnectionString)) { SqlCommand command = new SqlCommand(queryString, connection); //command.Parameters.Clear(); //command.Parameters.AddWithValue("@cname", cname); //command.Parameters.AddWithValue("@myemail", myemail); if (parameters != null) { foreach (SqlParameter parameter in parameters) { command.Parameters.Add(parameter); } } 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; } } System.Web.HttpContext.Current.Response.TransmitFile(dirFileName); System.Web.HttpContext.Current.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 //建立參數 #region === public static SqlParameter[] ConvertParameters(ParameterCollection parameters, Page page) === public static SqlParameter[] ConvertParameters(ParameterCollection parameters, Page page) { SqlParameter[] sqlParameters = new SqlParameter[parameters.Count]; for (int i = 0; i < parameters.Count; i++) { var parameter = parameters[i]; if (parameter is ControlParameter) { ControlParameter controlParameter = (ControlParameter)parameter; var control = page.FindControl(controlParameter.ControlID); // 確保找到控制元件 if (control != null) { string value = (control as ITextControl)?.Text ?? string.Empty; sqlParameters[i] = new SqlParameter(parameter.Name, value); } else { // 找不到控制元件時,應該提供預設值,而不是引發 NullReferenceException sqlParameters[i] = new SqlParameter(parameter.Name, DBNull.Value); } } else { // 如果參數不是控制參數,則使用 DBNull.Value sqlParameters[i] = new SqlParameter(parameter.Name, DBNull.Value); } } return sqlParameters; } #endregion === public static SqlParameter[] ConvertParameters(ParameterCollection parameters, Page page) === } } |
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" runat="server" Text="匯出(.ods)" OnClick="Button_Export_ODS_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]=@Filed2 OR @Filed2=N'全部');"> <SelectParameters> <asp:ControlParameter ControlID="DropDownList_Field2" Name="Filed2" 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 System; using System.Data.SqlClient; namespace WebApplication2 { public partial class Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void Button_Export_ODS_Click(object sender, EventArgs e) { string[] columnNameArray = { "流水號", "欄位1", "欄位2" }; SqlParameter[] sqlParameters = OdsCommon.ConvertParameters(SqlDataSource1.SelectParameters, this.Page); OdsCommon.ExportODS("匯出檔案名稱", columnNameArray, SqlDataSource1.SelectCommand, sqlParameters); } } } |
實際測試可以成功匯入。
(完)
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