添加项目文件。
This commit is contained in:
fuenmao
@@ -0,0 +1,273 @@
|
||||
// Copyright (c) 2022-Now 少林寺驻北固山办事处大神父王喇嘛
|
||||
//
|
||||
// SimpleAdmin 基于 Apache License Version 2.0 协议发布，可用于商业项目，但必须遵守以下补充条款:
|
||||
// 1.请不要删除和修改根目录下的LICENSE文件。
|
||||
// 2.请不要删除和修改SimpleAdmin源码头部的版权声明。
|
||||
// 3.分发源码时候，请注明软件出处 https://gitee.com/dotnetmoyu/SimpleAdmin
|
||||
// 4.基于本软件的作品，只能使用 SimpleAdmin 作为后台服务，除外情况不可商用且不允许二次分发或开源。
|
||||
// 5.请不得将本软件应用于危害国家安全、荣誉和利益的行为，不能以任何形式用于非法为目的的行为。
|
||||
// 6.任何基于本软件而产生的一切法律纠纷和责任，均于我司无关。
|
||||
|
||||
namespace SimpleAdmin.System;
|
||||
|
||||
/// <summary>
|
||||
/// <inheritdoc cref="IFileService"/>
|
||||
/// </summary>
|
||||
public class FileService : DbRepository<SysFile>, IFileService
|
||||
{
|
||||
private readonly IConfigService _configService;
|
||||
|
||||
public FileService(IConfigService configService)
|
||||
{
|
||||
_configService = configService;
|
||||
}
|
||||
|
||||
/// <inheritdoc/>
|
||||
public async Task<SqlSugarPagedList<SysFile>> Page(FilePageInput input)
|
||||
{
|
||||
var query = Context.Queryable<SysFile>().WhereIF(!string.IsNullOrEmpty(input.Engine), it => it.Engine == input.Engine)//根据关键字查询
|
||||
.WhereIF(!string.IsNullOrEmpty(input.SearchKey), it => it.Name.Contains(input.SearchKey))//根据关键字查询
|
||||
.OrderByIF(!string.IsNullOrEmpty(input.SortField), $"{input.SortField} {input.SortOrder}")//排序
|
||||
.OrderBy(it => it.Id);
|
||||
var pageInfo = await query.ToPagedListAsync(input.PageNum, input.PageSize);//分页
|
||||
return pageInfo;
|
||||
}
|
||||
|
||||
/// <inheritdoc/>
|
||||
public async Task<long> UploadFile(string engine, IFormFile file)
|
||||
{
|
||||
return await StorageFile(engine, file);
|
||||
}
|
||||
|
||||
/// <inheritdoc/>
|
||||
public async Task Delete(BaseIdListInput input)
|
||||
{
|
||||
var ids = input.Ids;//获取ID
|
||||
await DeleteByIdsAsync(ids.Cast<object>().ToArray());//根据ID删除数据库
|
||||
}
|
||||
|
||||
/// <inheritdoc/>
|
||||
public FileStreamResult GetFileStreamResult(string path, string fileName, bool isPathFolder = false)
|
||||
{
|
||||
if (isPathFolder) path = path.CombinePath(fileName);
|
||||
fileName = HttpUtility.UrlEncode(fileName, Encoding.GetEncoding("UTF-8"));//文件名转utf8不然前端下载会乱码
|
||||
//文件转流
|
||||
var result = new FileStreamResult(new FileStream(path, FileMode.Open), "application/octet-stream")
|
||||
{
|
||||
FileDownloadName = fileName
|
||||
};
|
||||
return result;
|
||||
}
|
||||
|
||||
public async Task<FileStreamResult> GetFileStreamResultFromMinio(string objectName, string fileName)
|
||||
{
|
||||
var minioService = App.GetService<MinioUtils>();
|
||||
var stream = await minioService.DownloadFileAsync(objectName);
|
||||
|
||||
fileName = HttpUtility.UrlEncode(fileName, Encoding.GetEncoding("UTF-8"));//文件名转utf8不然前端下载会乱码
|
||||
//文件转流
|
||||
var result = new FileStreamResult(stream, "application/octet-stream")
|
||||
{
|
||||
FileDownloadName = fileName
|
||||
};
|
||||
return result;
|
||||
}
|
||||
|
||||
/// <inheritdoc/>
|
||||
public FileStreamResult GetFileStreamResult(byte[] byteArray, string fileName)
|
||||
{
|
||||
fileName = HttpUtility.UrlEncode(fileName, Encoding.GetEncoding("UTF-8"));//文件名转utf8不然前端下载会乱码
|
||||
//文件转流
|
||||
var result = new FileStreamResult(new MemoryStream(byteArray), "application/octet-stream")
|
||||
{
|
||||
FileDownloadName = fileName
|
||||
};
|
||||
return result;
|
||||
}
|
||||
|
||||
/// <inheritdoc/>
|
||||
public async Task<FileStreamResult> Download(BaseIdInput input)
|
||||
{
|
||||
var devFile = await GetByIdAsync(input.Id);
|
||||
if (devFile != null)
|
||||
{
|
||||
if (devFile.Engine == SysDictConst.FILE_ENGINE_LOCAL)
|
||||
return GetFileStreamResult(devFile.StoragePath, devFile.Name);
|
||||
if (devFile.Engine == SysDictConst.FILE_ENGINE_MINIO)
|
||||
return await GetFileStreamResultFromMinio(devFile.ObjName, devFile.Name);
|
||||
return null;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
#region 方法
|
||||
|
||||
/// <summary>
|
||||
/// 存储文件
|
||||
/// </summary>
|
||||
/// <param name="engine"></param>
|
||||
/// <param name="file"></param>
|
||||
private async Task<long> StorageFile(string engine, IFormFile file)
|
||||
{
|
||||
var bucketName = string.Empty;// 存储桶名称
|
||||
var storageUrl = string.Empty;// 定义存储的url，本地文件返回文件实际路径，其他引擎返回网络地址
|
||||
var objName = string.Empty;// 定义存储的url，本地文件返回文件实际路径，其他引擎返回网络地址
|
||||
|
||||
var objectId = CommonUtils.GetSingleId();//生成id
|
||||
|
||||
switch (engine)
|
||||
{
|
||||
//存储本地
|
||||
case SysDictConst.FILE_ENGINE_LOCAL:
|
||||
bucketName = "defaultBucketName";// 存储桶名称
|
||||
storageUrl = await StorageLocal(objectId, file);
|
||||
break;
|
||||
//存储本地
|
||||
case SysDictConst.FILE_ENGINE_MINIO:
|
||||
var config = await _configService.GetByConfigKey(CateGoryConst.CONFIG_FILE_MINIO, SysConfigConst.FILE_MINIO_DEFAULT_BUCKET_NAME);
|
||||
if (config != null)
|
||||
{
|
||||
bucketName = config.ConfigValue;// 存储桶名称
|
||||
(objName, storageUrl) = await StorageMinio(objectId, file);
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
|
||||
throw Oops.Bah("不支持的文件引擎");
|
||||
}
|
||||
var fileSizeKb = (long)(file.Length / 1024.0);// 文件大小KB
|
||||
var fileSuffix = Path.GetExtension(file.FileName).ToLower();// 文件后缀
|
||||
var devFile = new SysFile
|
||||
{
|
||||
Id = objectId,
|
||||
Engine = engine,
|
||||
Bucket = bucketName,
|
||||
Name = file.FileName,
|
||||
Suffix = fileSuffix.Split(".")[1],
|
||||
ObjName = objName,
|
||||
SizeKb = fileSizeKb,
|
||||
SizeInfo = GetSizeInfo(fileSizeKb),
|
||||
StoragePath = storageUrl
|
||||
};
|
||||
if (engine != CateGoryConst.CONFIG_FILE_LOCAL)//如果不是本地，设置下载地址
|
||||
{
|
||||
devFile.DownloadPath = storageUrl;
|
||||
}
|
||||
//如果是图片,生成缩略图
|
||||
if (IsPic(fileSuffix))
|
||||
{
|
||||
//$"data:image/png;base64," + imgByte;
|
||||
await using var fileStream = file.OpenReadStream();//获取文件流
|
||||
var image = SKImage.FromEncodedData(fileStream);//获取图片
|
||||
var bmp = SKBitmap.FromImage(image);
|
||||
var thubnail = bmp.GetPicThumbnail(100, 100);//压缩图片
|
||||
var thubnailBase64 = ImageUtil.ImgToBase64String(thubnail);//转base64
|
||||
devFile.Thumbnail = "data:image/png;base64," + thubnailBase64;
|
||||
}
|
||||
await InsertAsync(devFile);
|
||||
return objectId;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 存储本地文件
|
||||
/// </summary>
|
||||
/// <param name="fileId"></param>
|
||||
/// <param name="file"></param>
|
||||
private async Task<string> StorageLocal(long fileId, IFormFile file)
|
||||
{
|
||||
string uploadFileFolder;
|
||||
var configKey = string.Empty;
|
||||
//判断是windows还是linux
|
||||
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
|
||||
{
|
||||
configKey = SysConfigConst.FILE_LOCAL_FOLDER_FOR_UNIX;//Linux
|
||||
}
|
||||
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
|
||||
{
|
||||
configKey = SysConfigConst.FILE_LOCAL_FOLDER_FOR_WINDOWS;//Windows
|
||||
}
|
||||
//获取路径配置
|
||||
var config = await _configService.GetByConfigKey(CateGoryConst.CONFIG_FILE_LOCAL, configKey);
|
||||
if (config != null)
|
||||
{
|
||||
uploadFileFolder = config.ConfigValue;//赋值路径
|
||||
var now = DateTime.Now.ToString("d");
|
||||
var filePath = Path.Combine(uploadFileFolder, now);
|
||||
if (!Directory.Exists(filePath))//如果不存在就创建文件夹
|
||||
Directory.CreateDirectory(filePath);
|
||||
var fileSuffix = Path.GetExtension(file.FileName).ToLower();// 文件后缀
|
||||
var fileObjectName = $"{fileId}{fileSuffix}";//存储后的文件名
|
||||
var fileName = Path.Combine(filePath, fileObjectName);//获取文件全路局
|
||||
fileName = fileName.Replace("\\", "/");//格式化一系
|
||||
//存储文件
|
||||
using (var stream = File.Create(Path.Combine(filePath, fileObjectName)))
|
||||
{
|
||||
await file.CopyToAsync(stream);
|
||||
}
|
||||
return fileName;
|
||||
}
|
||||
throw Oops.Oh("文件存储路径未配置");
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 存储到minio
|
||||
/// </summary>
|
||||
/// <param name="fileId"></param>
|
||||
/// <param name="file"></param>
|
||||
/// <returns></returns>
|
||||
private async Task<(string objName, string downloadUrl)> StorageMinio(long fileId, IFormFile file)
|
||||
{
|
||||
var minioService = App.GetService<MinioUtils>();
|
||||
var now = DateTime.Now.ToString("d");
|
||||
var fileSuffix = Path.GetExtension(file.FileName).ToLower();// 文件后缀
|
||||
var fileObjectName = $"{now}/{fileId}{fileSuffix}";//存储后的文件名
|
||||
var downloadUrl = await minioService.PutObjectAsync(fileObjectName, file);
|
||||
return (fileObjectName, downloadUrl);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 获取文件大小
|
||||
/// </summary>
|
||||
/// <param name="fileSizeKb"></param>
|
||||
/// <returns></returns>
|
||||
private string GetSizeInfo(long fileSizeKb)
|
||||
{
|
||||
var b = fileSizeKb * 1024;
|
||||
const int mb = 1024 * 1024;
|
||||
const int kb = 1024;
|
||||
if (b / mb >= 1)
|
||||
{
|
||||
return Math.Round(b / (float)mb, 2) + "MB";
|
||||
}
|
||||
|
||||
if (b / kb >= 1)
|
||||
{
|
||||
return Math.Round(b / (float)kb, 2) + "KB";
|
||||
}
|
||||
if (b == 0)
|
||||
{
|
||||
return "0B";
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 判断是否是图片
|
||||
/// </summary>
|
||||
/// <param name="suffix">后缀名</param>
|
||||
/// <returns></returns>
|
||||
private bool IsPic(string suffix)
|
||||
{
|
||||
//图片后缀名列表
|
||||
var pics = new[]
|
||||
{
|
||||
".png", ".bmp", ".gif", ".jpg", ".jpeg", ".psd"
|
||||
};
|
||||
if (pics.Contains(suffix))
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
#endregion 方法
|
||||
}
|
||||
Reference in New Issue
Block a user