/// <summary>
/// 解压
/// </summary>
/// <param name="zipFilePath"></param>
private static string UnZipFile(string zipFilePath, out bool hasError)
{
hasError = false;
if (File.Exists(zipFilePath))
{
try
{
using (ZipInputStream s = new ZipInputStream(File.OpenRead(zipFilePath)))
{
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
Console.WriteLine(theEntry.Name);
string directoryName = Path.GetDirectoryName(theEntry.Name);
string fileName = Path.GetFileName(theEntry.Name);
// create directory
if (directoryName.Length > 0)
{
Directory.CreateDirectory(directoryName);
}
if (fileName != String.Empty)
{
using (FileStream streamWriter = File.Create(theEntry.Name))
{
int size = 2048;
byte[] data = new byte[2048];
while (true)
{
size = s.Read(data, 0, data.Length);
if (size > 0)
{
streamWriter.Write(data, 0, size);
}
else
{
break;
}
}
}
}
}
return("");
}
}
catch (Exception ex)
{
hasError = true;
LogManager.DefaultLogger.Error(LogConvert.ParseWebEx(ex), "UnZipFile 发生异常！");
return(ex.Message);
}
}
hasError = true;
return(string.Format("Cannot find file '{0}'", zipFilePath));
}
/// <summary>
/// 将一组文件打包成一个ZIP文件，并返回相对地址
/// </summary>
/// <param name="lstFileZipInfo"></param>
/// <returns></returns>
public static string CreateZipFile(List <FileZipInfo> lstFileZipInfo, out bool hasError)
{
hasError = false;
if (lstFileZipInfo != null && lstFileZipInfo.Count > 0)
{
string zipFilePath = ConfigHelper.LocalZipSavePath + Guid.NewGuid().ToString() + ".zip"; //ZIP文件保存路径
string zipFileDownloadUrl = "http://" + ConfigHelper.MainDomain + zipFilePath; //ZIP文件下载地址
zipFileDownloadUrl = zipFileDownloadUrl.Replace("\\", "/");
zipFilePath = HttpContext.Current.Server.MapPath(zipFilePath);//将保存地址转换为绝对路径
try
{
using (ZipOutputStream s = new ZipOutputStream(File.Create(zipFilePath)))
{
s.SetLevel(0); // 压缩级别 0-9 // 0 - store only to 9 - means best compression
//s.Password = "******"; //Zip压缩文件密码
byte[] buffer = new byte[4096]; //缓冲区大小
foreach (FileZipInfo fileZipInfo in lstFileZipInfo)
{
ZipEntry entry = new ZipEntry(Path.GetFileName(fileZipInfo.FileName));
entry.DateTime = DateTime.Now;
s.PutNextEntry(entry);
using (FileStream fs = File.OpenRead(fileZipInfo.FilePath))
{
int sourceBytes;
do
{
sourceBytes = fs.Read(buffer, 0, buffer.Length);
s.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
}
s.Finish();
s.Close();
}
return(zipFileDownloadUrl);
}
catch (Exception ex)
{
hasError = true;
LogManager.DefaultLogger.Error(LogConvert.ParseWebEx(ex), "CreateZipFile 发生异常！");
return(ex.Message);
}
}
hasError = true;
return("");
}
