C#使用SharpZipLib解压多文件的zip压缩文件数据流,保存到本地

2023-03-11,,

代码:

public async Task<ReturnModel<List<string>>> UploadModel()
{
var task = new Task<ReturnModel<List<string>>>(() =>
{
var rData = new ReturnModel<List<string>>() { code=101};
var uploadDir = HttpContext.Current.Server.MapPath("/Content/Resource/ObjModel/");
var newFileName = "";
var sp = new MultipartMemoryStreamProvider();
Task.Run(async () => await Request.Content.ReadAsMultipartAsync(sp)).Wait();
foreach (var item in sp.Contents)
{
if (item.Headers.ContentDisposition.FileName != null)
{
var filename = item.Headers.ContentDisposition.FileName.Replace("\"", "");
newFileName = uploadDir + "\\" + filename;
var fStream = item.ReadAsStreamAsync().Result;//File.OpenRead(zipFilePath)打开本地压缩文件解压
using (var s = new ZipInputStream(fStream))
{
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
string directoryName = Path.GetDirectoryName(theEntry.Name);
string fileName = Path.GetFileName(theEntry.Name);
if (!string.IsNullOrEmpty(directoryName))
{
Directory.CreateDirectory(uploadDir + directoryName);
} if (fileName != String.Empty)
{
using (System.IO.FileStream streamWriter = File.Create(uploadDir + theEntry.Name))
{ int size;
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 rData;
});
task.Start();
return await task.ContinueWith(t => t.Result);
}

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