使用SSIS生成数据导出为Excel文件的模板

关键脚本（C#语言）

 1 /// <summary>
 2         /// This method is called when this script task executes in the control flow.
 3         /// Before returning from this method, set the value of Dts.TaskResult to indicate success or failure.
 4         /// To open Help, press F1.
 5         /// </summary>
 6         public void Main()
 7         {
 8             // TODO: Add your code here
 9             //string ssis_file_folder = @"d:\ssis_demo_workspace";
10             
11             string ddl_script = Dts.Variables["User::Var_ExcelDDL"].Value.ToString();//创建工作表的脚本
12             string excel_Folder = Dts.Variables["User::Var_ExcelFolder"].Value.ToString(); //Excel文件的存放目录
13             string excel_fileName_template = Dts.Variables["User::Var_ExcelFileName"].Value.ToString();//Excel文件名称模板
14             string ddl_script_file = Dts.Variables["User::Var_ExcelDDL_File"].Value.ToString();//创建工作表的脚本文件
15             string Param_ExcelDDL = Dts.Variables["$Package::Param_ExcelDDL"].Value.ToString();
16 
17             if (string.IsNullOrWhiteSpace(excel_Folder))
18             {
19                 Dts.TaskResult = (int)ScriptResults.Failure;
20                 return;
21             }
22 
23             if (string.IsNullOrWhiteSpace(excel_fileName_template))
24             {
25                 Dts.TaskResult = (int)ScriptResults.Failure;
26                 return;
27             }
28 
29             #region if excel folder not exists then create it
30             try
31             {
32                 if (!System.IO.Directory.Exists(excel_Folder))
33                     System.IO.Directory.CreateDirectory(excel_Folder);
34             }
35             catch (Exception ex)
36             {
37                 System.IO.File.WriteAllText(excel_Folder + "\\create_excel_log.txt", ex.Message, System.Text.Encoding.UTF8);
38                 Dts.TaskResult = (int)ScriptResults.Failure;
39             }
40             #endregion
41 
42             if (string.IsNullOrWhiteSpace(ddl_script))
43             {
44                 Dts.TaskResult = (int)ScriptResults.Failure;
45                 return;
46             }
47             else
48             {
49                 System.IO.File.WriteAllText(excel_Folder + "\\ddl_log.txt", ddl_script,System.Text.Encoding.UTF8);
50             }
51             //读取脚本文件中的脚本
52             if (System.IO.File.Exists(ddl_script_file))
53             {
54                 ddl_script = System.IO.File.ReadAllText(ddl_script_file, System.Text.Encoding.UTF8);
55             }
56 
57             string file_name = this.GetFileName(excel_Folder +"\\"+ excel_fileName_template);// 合成Excel文件的绝对路径
58             System.IO.File.WriteAllText(excel_Folder + "\\file_name.txt", file_name, System.Text.Encoding.UTF8);
59 
60             try
61             {
62                 // TODO: Add your code here
63                 if (System.IO.File.Exists(file_name))
64                     System.IO.File.Delete(file_name);
65 
66                 this.CreateExcelFile(file_name, ddl_script);
67                 Dts.TaskResult = (int)ScriptResults.Success;
68             }
69             catch (Exception ex)
70             {
71                 System.IO.File.WriteAllText(excel_Folder + "\\log.txt", ex.GetType() + Environment.NewLine + ex.Message + Environment.NewLine+ ex.StackTrace, System.Text.Encoding.UTF8);
72                 Dts.TaskResult = (int)ScriptResults.Failure;
73                 return;
74             }
75             Dts.TaskResult = (int)ScriptResults.Success;
76             System.IO.File.WriteAllText(excel_Folder + "\\Param_ExcelDDL.txt", Param_ExcelDDL, System.Text.Encoding.UTF8);
77 
78         }

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