ExceL转PDF

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Excel = Microsoft.Office.Interop.Excel;
namespace ExcelToPdfDemo
{
class Program
{
static void Main(string[] args)
{
try
{
string path = @"C:\aa.xls";
string path2 = @"C:\cc.pdf";
XLSConvertToPDF(path,path2);
Console.WriteLine("转换成功！");
Console.ReadKey();
}
catch (Exception)
{

throw;
}

}
///<summary>
/// 把Excel文件转换成PDF格式文件
///</summary>
///<param name="sourcePath">源文件路径</param>
///<param name="targetPath">目标文件路径</param> 
///<returns>true=转换成功</returns>
private static bool XLSConvertToPDF(string sourcePath, string targetPath)
{
bool result = false;
Excel.XlFixedFormatType targetType = Excel.XlFixedFormatType.xlTypePDF;
object missing = Type.Missing;
Excel.Application application = null;
Excel.Workbook workBook = null;
try
{
application = new Excel.Application();
object target = targetPath;
object type = targetType;
workBook = application.Workbooks.Open(sourcePath, missing, missing, missing, missing, missing,
missing, missing, missing, missing, missing, missing, missing, missing, missing);

workBook.ExportAsFixedFormat(targetType, target, Excel.XlFixedFormatQuality.xlQualityStandard, true, false, missing, missing, missing, missing);
result = true;
}
catch
{
result = false;
}
finally
{
if (workBook != null)
{
workBook.Close(true, missing, missing);
workBook = null;
}
if (application != null)
{
application.Quit();
application = null;
}
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
GC.WaitForPendingFinalizers();
}
return result;
}


}
}