這篇文章將為大家詳細講解有關(guān)C#中怎么將Excel轉(zhuǎn)成PDF,文章內(nèi)容質(zhì)量較高,因此小編分享給大家做個參考,希望大家閱讀完這篇文章后對相關(guān)知識有一定的了解。

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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using Microsoft.Office.Interop.Excel;
//Office 命名空間
namespace OfficeToPdf
{
//excel 類
class ExcelConverter
{
//構(gòu)造函數(shù)
public ExcelConverter()
{ }
/// <summary>
/// 轉(zhuǎn)換excel 成PDF文檔
/// </summary>
/// <param name="_lstrInputFile">原文件路徑</param>
/// <param name="_lstrOutFile">pdf文件輸出路徑</param>
/// <returns>true 成功</returns>
public bool ConverterToPdf(string _lstrInputFile,string _lstrOutFile)
{
Microsoft.Office.Interop.Excel.Application lobjExcelApp = null;
Microsoft.Office.Interop.Excel.Workbooks lobjExcelWorkBooks = null;
Microsoft.Office.Interop.Excel.Workbook lobjExcelWorkBook = null;
string lstrTemp = string.Empty;
object lobjMissing = System.Reflection.Missing.Value;
try
{
lobjExcelApp = new Microsoft.Office.Interop.Excel.Application();
lobjExcelApp.Visible = true;
lobjExcelWorkBooks = lobjExcelApp.Workbooks;
lobjExcelWorkBook = lobjExcelWorkBooks.Open(_lstrInputFile, true, true, lobjMissing, lobjMissing, lobjMissing, true,
lobjMissing, lobjMissing, lobjMissing, lobjMissing, lobjMissing, false, lobjMissing, lobjMissing);
//Microsoft.Office.Interop.Excel 12.0.0.0之后才有這函數(shù)
lstrTemp = System.IO.Path.GetTempPath() + Guid.NewGuid().ToString() + ".xls" + (lobjExcelWorkBook.HasVBProject ? 'm' : 'x');
//lstrTemp = System.IO.Path.GetTempPath() + Guid.NewGuid().ToString() + ".xls";
lobjExcelWorkBook.SaveAs(lstrTemp, Microsoft.Office.Interop.Excel.XlFileFormat.xlExcel4Workbook, Type.Missing, Type.Missing, Type.Missing, false, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, Type.Missing,
false, Type.Missing, Type.Missing, Type.Missing);
//輸出為PDF 第一個選項指定轉(zhuǎn)出為PDF,還可以指定為XPS格式
lobjExcelWorkBook.ExportAsFixedFormat(Microsoft.Office.Interop.Excel.XlFixedFormatType.xlTypePDF, _lstrOutFile, Microsoft.Office.Interop.Excel.XlFixedFormatQuality.xlQualityStandard, Type.Missing, false, Type.Missing, Type.Missing, false, Type.Missing);
lobjExcelWorkBooks.Close();
lobjExcelApp.Quit();
}
catch (Exception ex)
{
//其他日志操作;
return false;
}
finally {
if (lobjExcelWorkBook != null)
{
lobjExcelWorkBook.Close(Type.Missing,Type.Missing,Type.Missing);
Marshal.ReleaseComObject(lobjExcelWorkBook);
lobjExcelWorkBook = null;
}
if(lobjExcelWorkBooks != null)
{
lobjExcelWorkBooks.Close();
Marshal.ReleaseComObject(lobjExcelWorkBooks);
lobjExcelWorkBooks = null;
}
if(lobjExcelApp != null)
{
lobjExcelApp.Quit();
Marshal.ReleaseComObject(lobjExcelApp);
lobjExcelApp = null;
}
//主動激活垃圾回收器,主要是避免超大批量轉(zhuǎn)文檔時,內(nèi)存占用過多,而垃圾回收器并不是時刻都在運行!
GC.Collect();
GC.WaitForPendingFinalizers();
}
return true;
}
}
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