///<summary>
///功能：壓縮文件（暫時只壓縮文件夾下一級目錄中的文件，文件夾及其子級被忽略）
///</summary>
///<paramname="dirPath">被壓縮的文件夾夾路徑</param>
///<paramname="zipFilePath">生成壓縮文件的路徑，爲空則默認與被壓縮文件夾同一級目錄，名稱爲：文件夾名+.zip</param>
///<paramname="err">出錯信息</param>
///<returns>是否壓縮成功</returns>
publicboolZipFile(string dirPath,stringzipFilePath,outstringerr)
{
err = "";
if(dirPath == string.Empty)
{
err = "要壓縮的文件夾不能爲空！";
return false;
}
if(!Directory.Exists(dirPath))
{
err = "要壓縮的文件夾不存在！";
return false;
}
//壓縮文件名爲空時使用文件夾名＋.zip
if(zipFilePath == string.Empty)
{
if (dirPath.EndsWith("\\"))
{
dirPath = dirPath.Substring(0, dirPath.Length - 1);
}
zipFilePath = dirPath + ".zip";
}
try
{
string[] filenames =Directory.GetFiles(dirPath);
using (ZipOutputStreams =newZipOutputStream(File.Create(zipFilePath)))
{
s.SetLevel(9);
byte[] buffer =newbyte[4096];
foreach (stringfilein filenames)
{
ZipEntry entry =newZipEntry(Path.GetFileName(file));
entry.DateTime = DateTime.Now;
s.PutNextEntry(entry);
using(FileStream fs =File.OpenRead(file))
{
intsourceBytes;
do
{
sourceBytes =fs.Read(buffer, 0, buffer.Length);
s.Write(buffer,0, sourceBytes);
} while(sourceBytes > 0);
}
}
s.Finish();
s.Close();
}
}
catch(Exception ex)
{
err = ex.Message;
return false;
}
returntrue;
}
