/// <summary>
///下载WebService所在服务器上的文件的方法 (生成临时文件)
/// </summary>
/// <param name="FileId">文件ID</param>
/// <returns></returns>
public string DownFileByScratch(string FileId)
{
using (FileCenterDbContext dbContext = new FileCenterDbContext())
{
int Id = 0;
int.TryParse(FileId, out Id);
var systemFiles = dbContext.SystemFiles.FirstOrDefault(s => s.Id == Id);
if (systemFiles != null)
{
if (systemFiles.FilePath.Length == 0 && systemFiles.FileData.Length > 0)
{
var FolderName = ConfigurationManager.AppSettings["ScratchFile"];
string filePath = Server.MapPath(FolderName);
if (Directory.Exists(filePath) == false)//如果不存在就创建file文件夹
{
Directory.CreateDirectory(filePath);
}
string SaveFileName = Guid.NewGuid().ToString() + systemFiles.FileExtension; // 保存文件名称
FileStream fs = File.Create(filePath + "/" + SaveFileName);
byte[] Data = systemFiles.FileData;
fs.Write(Data, 0, Data.Length);
fs.Close();
systemFiles.FilePath = FolderName + "/" + SaveFileName;
}
return(Newtonsoft.Json.JsonConvert.SerializeObject(systemFiles));
}
else
{
return("");
}
}
}
private List <Operate> GetOperateList()
{
// 预先将当前计划中的月份新增到数据库
var dayOperationList = new List <Operate>();
var startDate = GetCompressStartDate().Date;
var endDate = startDate.AddDays(1).Date;
using (var context = new FileCenterDbContext())
{
context.Operates.Add(new Operate
{
CreationTime = DateTime.Now,
OperateResult = EnumOperateResult.Failure,
OperateType = EnumOperateType.ImageCompress,
StartDate = startDate,
EndDate = endDate
});
context.SaveChanges();
}
using (FileCenterDbContext fileCenterDbContext = new FileCenterDbContext())
{
dayOperationList = fileCenterDbContext.Operates.AsNoTracking().Where(s => s.OperateType == EnumOperateType.ImageCompress && s.OperateResult == EnumOperateResult.Failure).ToList();
}
return(dayOperationList);
}
public FileResult DownloadSingleFileById(string FileId, bool IsConvertStream = false)
{
FileResult Result = new FileResult();
try
{
using (FileCenterDbContext dbContext = new FileCenterDbContext())
{
SystemFiles systemFiles = null;
int Id = 0;
int.TryParse(FileId, out Id);
systemFiles = dbContext.SystemFiles.FirstOrDefault(s => s.Id == Id);
var filePath = this.GetFilePath(systemFiles);
if (IsConvertStream)
{
systemFiles.FileData = File.ReadAllBytes(filePath);
}
Result.Status = "1";
Result.Message = "SUCCESS";
Result.Result = Newtonsoft.Json.JsonConvert.SerializeObject(systemFiles);
return(Result);
}
}
catch (Exception er)
{
Result.Status = "0";
Result.Message = er.Message;
Result.Result = null;
return(Result);
}
}
/// <summary>
/// 删除文件
/// </summary>
/// <param name="FileId"></param>
/// <returns></returns>
public FileResult DeleteFile(string FileId)
{
FileResult Result = new FileResult();
try
{
using (FileCenterDbContext dbContext = new FileCenterDbContext())
{
SystemFiles systemFiles = null;
int Id = 0;
int.TryParse(FileId, out Id);
systemFiles = dbContext.SystemFiles.Find(Id);
if (systemFiles != null)
{
systemFiles.IsDelete = 1;
}
Result.Status = "1";
Result.Message = "SUCCESS";
Result.Result = Newtonsoft.Json.JsonConvert.SerializeObject(systemFiles);
return(Result);
}
}
catch (Exception er)
{
Result.Status = "0";
Result.Message = er.Message;
Result.Result = null;
return(Result);
}
}
public FileResult DeleteMoreFile(List <string> ids)
{
FileResult Result = new FileResult();
try
{
using (FileCenterDbContext dbContext = new FileCenterDbContext())
{
var deleteFileList = (from file in dbContext.SystemFiles
where file.IsDelete == null && ids.Any(s => s == file.FileId.ToString())
select new SystemFilesView
{
Id = file.Id,
FileName = file.FileName,
FileLongName = file.FileLongName,
FileExtension = file.FileExtension,
FileSize = file.FileSize,
FileId = file.FileId,
FilePath = file.FilePath,
ProjectName = file.ProjectName
}).ToList();
if (deleteFileList.Any())
{
foreach (var item in deleteFileList)
{
item.IsDelete = 1;
var filepath = Server.MapPath(".") + "/" + item.FilePath;
if (File.Exists(filepath))
{
try
{
File.Delete(filepath);
}
catch
{
}
}
dbContext.SaveChanges();
}
}
Result.Status = "1";
Result.Message = "SUCCESS";
return(Result);
}
}
catch (Exception er)
{
Result.Status = "0";
Result.Message = er.Message;
Result.Result = null;
return(Result);
}
}
public FileResult GetFileTokenList(string jsonParameter)
{
LogHelper.Info($"GetFileTokenList Start At:{DateTime.Now}");
var Result = new FileResult();
var fileTokenList = new List <FileToken>();
var systemFiles = new SystemFiles();
try
{
using (FileCenterDbContext dbContext = new FileCenterDbContext())
{
var passedParamList = Newtonsoft.Json.JsonConvert.DeserializeObject <List <FileToken> >(jsonParameter);
foreach (var item in passedParamList)
{
// 解密获取真正的FileId
item.FileId = rsaManager.RSADecrypt(File.ReadAllText(AppConfig.PrivateKeyFilePath), item.FileId);
item.Token = this.GenerateToken(item);
item.Url = $"{AppConfig.FileCenterDomain}/file/GetFile?token={HttpUtility.UrlEncode(item.Token)}";
int Id = 0;
if (int.TryParse(item.FileId, out Id))
{
// 传入的id是int类型，说明是Id字段
systemFiles = dbContext.SystemFiles.FirstOrDefault(s => s.Id == Id);
}
else
{
// 传入的id不是int类型，说明是FileId字段
systemFiles = dbContext.SystemFiles.FirstOrDefault(s => s.FileId == new Guid(item.FileId));
}
item.FileName = systemFiles.FileName;
cacheManager.Set(item.Token, item.FileId);
}
Result.Status = "1";
Result.Message = "SUCCESS";
Result.Result = Newtonsoft.Json.JsonConvert.SerializeObject(passedParamList);
return(Result);
}
}
catch (Exception er)
{
Result.Status = "0";
Result.Message = er.Message;
return(Result);
}
finally
{
LogHelper.Info($"GetFileTokenList End At:{DateTime.Now}");
}
}
public FileResult UploadFileSwitch(byte[] FileData, string FileName, string FileExtension, string ProjectNo, string SaveType, int IsPdf)
{
if (!string.IsNullOrEmpty(FileExtension))
{
FileExtension = Path.GetExtension(FileName);
}
var Result = UpLoadFile(FileData, FileName, FileExtension, ProjectNo, SaveType);
if (IsPdf == 0) // 图片不需要再转成pdf文件
{
return(Result);
}
else
{
#region 转成PDF文件
var file = Newtonsoft.Json.JsonConvert.DeserializeObject <SystemFiles>(Result.Result);
string savePath = file.FilePath;
string fileName = file.FileName;
var pdfPath = AttachmentFile2PDF(ref savePath, ref fileName, Path.Combine(AppConfig.FileUploadRootDirectory, savePath));
var systemFiles = new SystemFiles()
{
FileId = Guid.NewGuid(),
FileData = null,
FilePath = pdfPath,
FileExtension = ".pdf",
FileName = FileName + ".pdf",
FileLongName = pdfPath,
FileSize = FileData.Length,
ProjectName = ProjectNo,
CreateDate = DateTime.Now
};
using (FileCenterDbContext dbContext = new FileCenterDbContext())
{
dbContext.SystemFiles.Add(systemFiles);
dbContext.SaveChanges();
}
file.PdfFileId = systemFiles.FileId;
var result1 = new FileResult();
result1.Status = "1";
result1.Message = "SUCCESS";
result1.Result = Newtonsoft.Json.JsonConvert.SerializeObject(file);
return(result1);
#endregion
}
}
/// <summary>
/// 记录完成的月份,存在的更新操作成功，新增的记录操作成功
/// </summary>
/// <param name="monthOperationList"></param>
private void RecordOperatedDayToSuccess(Operate operate)
{
using (var context = new FileCenterDbContext())
{
var entity = context.Operates.FirstOrDefault(s => s.Id == operate.Id);
if (entity != null)
{
entity.OperateResult = EnumOperateResult.Success;
}
context.SaveChanges();
}
}
public FileResult DownloadMultiFileById(List <int> ids)
{
FileResult Result = new FileResult();
List <SystemFilesView> list;
try
{
using (FileCenterDbContext dbContext = new FileCenterDbContext())
{
list = (from file in dbContext.SystemFiles
where file.IsDelete == null && ids.Any(s => s == file.Id)
select new SystemFilesView
{
Id = file.Id,
FileName = file.FileName,
FileLongName = file.FileLongName,
FileExtension = file.FileExtension,
FileSize = file.FileSize,
FileId = file.FileId,
FilePath = file.FilePath,
ProjectName = file.ProjectName
}).ToList();
foreach (var item in list)
{
var filePath = this.GetFilePath(item);
byte[] fileData = File.ReadAllBytes(filePath);
item.FileData = fileData;
}
Result.Status = "1";
Result.Message = "SUCCESS";
Result.Result = Newtonsoft.Json.JsonConvert.SerializeObject(list);
return(Result);
}
}
catch (Exception er)
{
Result.Status = "0";
Result.Message = er.Message;
Result.Result = null;
return(Result);
}
}
/// <summary>
///
/// </summary>
/// <param name="projectNo"></param>
/// <param name="localImagePath"></param>
/// <param name="thumbnailImagePath"></param>
/// <returns></returns>
private SystemFiles GetThumbnail(string projectNo, string folder, string localImagePath, string thumbnailImagePath)
{
try
{
var systemFiles = new SystemFiles();
var OldPath = this.GetFilePath(new SystemFiles()
{
FilePath = folder + "/" + localImagePath
}); //Server.MapPath(folder) + "/" + localImagePath;
var covertPath = Path.Combine(AppConfig.FileUploadRootDirectory, folder, thumbnailImagePath); // Server.MapPath(folder) + "/" + thumbnailImagePath;
var success = GetThumbnail(OldPath, covertPath, 180, 140);
if (success)
{
var path = folder + "/" + thumbnailImagePath;
systemFiles = new SystemFiles()
{
FileId = Guid.NewGuid(),
FileData = null,
FilePath = path,
FileExtension = Path.GetExtension(path),
FileName = Path.GetFileName(path),
FileLongName = Path.GetFileName(path),
FileSize = 0,
ProjectName = projectNo,
CreateDate = DateTime.Now
};
using (FileCenterDbContext dbContext = new FileCenterDbContext())
{
dbContext.SystemFiles.Add(systemFiles);
dbContext.SaveChanges();
}
}
return(systemFiles);
}
catch (Exception ex)
{
return(new SystemFiles());
}
}
/// <summary>
/// 解压文件(By Id)
/// </summary>
private void DepressFile(List <int> ids)
{
using (var _dbContext = new FileCenterDbContext())
{
var list = _dbContext.SystemFiles.Where(s => ids.Contains(s.Id)).ToList();
foreach (var item in list)
{
var fullPath = $"{AppConfig.FileUploadRootDirectory.Replace("\\", "/")}/{item.FilePath}";
if (!File.Exists(fullPath))
{
ZipFileManager.DepressFile(Path.Combine(AppConfig.FileArchiveRootDirectory, item.ArchiveFileName), item.FileLongName, fullPath);
item.FileCompressStatus = EnumFileCompressStatus.Uncompressed;
item.ArchiveFileName = string.Empty;
item.DecompressDateTime = DateTime.Now;
}
}
_dbContext.SaveChanges();
}
}
public FileResult UploadFile(byte[] FileData, string FileName, string FileExtension, string ProjectNo, string SaveType)
{
var Result = new FileResult();
try
{
SystemFiles systemFiles = new SystemFiles();
var FolderName = ConfigurationManager.AppSettings[ProjectNo];
if (FolderName == null)
{
FolderName = ProjectNo;
}
string day = DateTime.Now.ToString("yyyyMMdd");
string folder = FolderName + "/" + day;
string filePath = Server.MapPath(folder);
if (Directory.Exists(filePath) == false)// 如果不存在就创建file文件夹
{
Directory.CreateDirectory(filePath);
}
string longName = Guid.NewGuid().ToString();
string SaveFileName = longName + FileExtension; // 保存文件名称
using (FileStream fs = File.Create(filePath + "/" + SaveFileName))
{
fs.Write(FileData, 0, FileData.Length);
}
string smallPicPath = longName + "_100.100" + FileExtension;
systemFiles = new SystemFiles()
{
FileId = Guid.NewGuid(),
FileData = null,
FilePath = folder + "/" + SaveFileName,
FileExtension = FileExtension,
FileName = FileName,
FileLongName = SaveFileName,
FileSize = FileData.Length,
ProjectName = ProjectNo,
CreateDate = DateTime.Now,
FileCompressStatus = EnumFileCompressStatus.Uncompressed
};
if (AppConfig.ImageExtension.Contains(FileExtension.ToLower())) // 如果是图片，自动增加缩略图转换
{
var coverName = Guid.NewGuid().ToString() + FileExtension; // 保存文件名称;
var cover = GetThumbnail(ProjectNo, folder, SaveFileName, coverName);
if (cover.FileId.HasValue)
{
systemFiles.CoverSavePath = cover.FilePath;
systemFiles.CoverFileId = cover.FileId;
}
}
using (FileCenterDbContext dbContext = new FileCenterDbContext())
{
dbContext.SystemFiles.Add(systemFiles);
dbContext.SaveChanges();
}
//systemFiles.FileData = FileData;// 将二进制流返回
Result.Status = "1";
Result.Message = "SUCCESS";
Result.Result = Newtonsoft.Json.JsonConvert.SerializeObject(systemFiles);
return(Result);
}
catch (Exception er)
{
Result.Status = "0";
Result.Message = er.Message;
return(Result);
}
}
private void DownloadFile(HttpContext context)
{
var fileId = context.Request.QueryString["fileId"];
if (string.IsNullOrWhiteSpace(fileId))
{
context.Response.StatusCode = 404;
return;
}
var projectName = context.Request.QueryString["projectName"];
if (string.IsNullOrWhiteSpace(projectName))
{
projectName = context.Request.QueryString["project"];
}
if (string.IsNullOrWhiteSpace(projectName))
{
context.Response.StatusCode = 404;
return;
}
string key = GetKey(projectName);
if (string.IsNullOrWhiteSpace(key))
{
context.Response.StatusCode = 404;
return;
}
try
{
fileId = AESHelper.AESDecrypt(fileId, key);
}
catch
{
context.Response.StatusCode = 404;
return;
}
int id = 0;
if (!int.TryParse(fileId, out id))
{
context.Response.StatusCode = 404;
return;
}
//通过文件ID获取出文件
using (var _dbContext = new FileCenterDbContext())
{
var file = _dbContext.SystemFiles.FirstOrDefault(m => m.Id == id && m.ProjectName == projectName);
this.DepressFile(new List <int>(file.Id));
var fileName = file.FileName;
if (!string.IsNullOrWhiteSpace(context.Request.QueryString["rename"]))
{
fileName = Guid.NewGuid().ToString("N");
}
if (string.IsNullOrWhiteSpace(file.FilePath))
{
ResponseFile(context, fileName, file.FileData);
}
else
{
ResponseFile(context, fileName, file.FilePath);
}
}
}