前面的我就不翻譯了。老外操作的是Excel 2000。所有Excel的程序操作都來(lái)源于Excel的對(duì)象庫(kù)Excel9.olb.本例也只是對(duì)這個(gè)東東做一個(gè)簡(jiǎn)單的操作了解。有告誡待于朋友們的具體了解:)也算是為我們站點(diǎn)上天天為Excel煩的兄弟們,指一條“明路”吧:) 首先的一步就是使用Tlbimp這個(gè)工具將Excel9.0的對(duì)象庫(kù)文件Excel8.olb轉(zhuǎn)換成為dll,這樣才能做為.Net平臺(tái)Assembly來(lái)使用:)操作如下: TlbImp Excel9.olb Excel.dll 只要有了這個(gè)Excel.dll,現(xiàn)在我們就能使用Excel的各種操作函數(shù)了。 下面就讓我們具體看看C#是如何使用這些東東吧。 1. 創(chuàng)建一個(gè)新Excel的Application: Application exc = new Application(); if (exc == null) { Console.WriteLine("ERROR: EXCEL couldn't be started"); return 0; }
2. 讓這個(gè)工程可見(jiàn):
exc.set_Visible(0, true); 3. 獲取WorkBooks集合: Workbooks workbooks = exc.Workbooks; 4. 加入新的WorkBook: _Workbook workbook = workbooks.Add(XlWBATemplate.xlWBATWorksheet, 0); 5. 獲取WorkSheets集合: _Worksheet worksheet = (_Worksheet) sheets.get_Item(1); if (worksheet == null) { Console.WriteLine ("ERROR in worksheet == null"); }
6. 給單元格設(shè)置變量: Range range1 = worksheet.get_Range("C1", Missing.Value); if (range1 == null) { Console.WriteLine ("ERROR: range == null"); } const int nCells = 1; Object[] args1 = new Object[1]; args1[0] = nCells; range1.GetType().InvokeMember("Value", BindingFlags.SetProperty, null, range1, args1);
例程:
using System; using System.Reflection; using System.Runtime.InteropServices; using Excel;
class Excel { public static int Main() { Application exc = new Application(); if (exc == null) { Console.WriteLine("ERROR: EXCEL couldn't be started!"); return 0; } exc.set_Visible(0, true); Workbooks workbooks = exc.Workbooks; _Workbook workbook = workbooks.Add(XlWBATemplate.xlWBATWorksheet, 0); Sheets sheets = workbook.Worksheets; _Worksheet worksheet = (_Worksheet) sheets.get_Item(1); if (worksheet == null) { Console.WriteLine ("ERROR: worksheet == null"); } Range range1 = worksheet.get_Range("C1", Missing.Value); if (range1 == null) { Console.WriteLine ("ERROR: range == null"); } const int nCells = 1; Object[] args1 = new Object[1]; args1[0] = nCells; range1.GetType().InvokeMember("Value", BindingFlags.SetProperty, null,range1, args1); return 100; } } 現(xiàn)在我們來(lái)看看如何使用數(shù)組,他有些類似于設(shè)置單元格。僅僅需要的改變只是args2[0] = array2; const int nCell = 5; Range range2 = worksheet.get_Range("A1", "E1"); int[] array2 = new int [nCell]; for (int i=0; i < array2.GetLength(0); i++) { array2[i] = i+1; } Object[] args2 = new Object[1]; args2[0] = array2; range2.GetType().InvokeMember("Value", BindingFlags.SetProperty, null, range2, args2); 大家需要了解Tlbimp這個(gè)工具的使用啊:)這個(gè)東東很有用,可以將普通Win32程序移植到.Net下面來(lái):)
|