117 lines
4.4 KiB
C#
117 lines
4.4 KiB
C#
using System.Web;
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using JNPF.Common.Configuration;
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using JNPF.Common.Core.Manager.Files;
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using JNPF.Common.Enums;
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using JNPF.Common.Extension;
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using JNPF.Common.Filter;
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using JNPF.Common.Options;
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using JNPF.DependencyInjection;
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using JNPF.DynamicApiController;
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using JNPF.Extend.Entitys.Dto.DocumentPreview;
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using JNPF.FriendlyException;
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using JNPF.Logging.Attributes;
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using Mapster;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.Options;
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namespace JNPF.Extend;
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/// <summary>
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/// 文件预览
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/// 版 本：V3.2
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/// 版 权：拓通智联科技有限公司（http://www.tuotong-tech.com）
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/// 日 期：2021-06-01 .
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/// </summary>
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[ApiDescriptionSettings(Tag = "Extend", Name = "DocumentPreview", Order = 600)]
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[Route("api/extend/[controller]")]
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public class DocumentPreview : IDynamicApiController, ITransient
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{
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private readonly IFileManager _fileManager;
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public DocumentPreview(IFileManager fileManager)
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{
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_fileManager = fileManager;
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}
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#region Get
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/// <summary>
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/// 获取文档列表.
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/// </summary>
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/// <param name="input">请求参数.</param>
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/// <returns></returns>
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[HttpGet("")]
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public async Task<dynamic> GetList_Api([FromQuery] KeywordInput input)
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{
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var filePath = FileVariable.DocumentPreviewFilePath;
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var list = await _fileManager.GetObjList(filePath);
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list = list.FindAll(x => "xlsx".Equals(x.FileType) || "xls".Equals(x.FileType) || "docx".Equals(x.FileType) || "doc".Equals(x.FileType) || "pptx".Equals(x.FileType) || "ppt".Equals(x.FileType));
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if (input.keyword.IsNotEmptyOrNull())
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list = list.FindAll(x => x.FileName.Contains(input.keyword));
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return list.OrderByDescending(x => x.FileTime).Adapt<List<DocumentPreviewListOutput>>();
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}
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/// <summary>
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/// 文件在线预览.
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/// </summary>
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/// <param name="fileId"></param>
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/// <param name="input"></param>
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/// <returns></returns>
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[HttpGet("{fileId}/Preview")]
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public async Task<dynamic> DocumentPreview_Api(string fileId, [FromQuery] DocumentPreviewPreviewInput input)
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{
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var filePath = FileVariable.DocumentPreviewFilePath;
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var files = await _fileManager.GetObjList(filePath);
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var file = files.Find(x => x.FileId == fileId);
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if (file.IsNotEmptyOrNull())
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{
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string domain = App.GetConfig<AppOptions>("JNPF_App", true).Domain;
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string yozoUrl = App.GetConfig<AppOptions>("JNPF_App", true).YOZO.Domain;
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string yozoKey = App.GetConfig<AppOptions>("JNPF_App", true).YOZO.domainKey;
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var url = string.Format("{0}/api/Extend/DocumentPreview/down/{1}", domain, file.FileName);
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if (!input.previewType.Equals("localPreview"))
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{
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url = string.Format("{0}?k={1}&url={2}", yozoUrl,
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yozoKey, url, input.noCache, input.watermark, input.isCopy, input.pageStart, input.pageEnd, input.type);
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}
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return url;
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}
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else
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{
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throw Oops.Oh(ErrorCode.D8000);
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}
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}
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/// <summary>
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/// 下载.
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/// </summary>
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/// <param name="fileName"></param>
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[HttpGet("down/{fileName}")]
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[IgnoreLog]
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[AllowAnonymous]
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public async Task FileDown(string fileName)
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{
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var filePath = Path.Combine(FileVariable.DocumentPreviewFilePath, fileName);
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var systemFilePath = Path.Combine(FileVariable.SystemFilePath, fileName);
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FileStreamResult fileStreamResult = null;
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if (await _fileManager.ExistsFile(filePath))
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fileStreamResult = await _fileManager.DownloadFileByType(filePath, fileName);
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else
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fileStreamResult = await _fileManager.DownloadFileByType(systemFilePath, fileName);
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byte[] bytes = new byte[fileStreamResult.FileStream.Length];
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fileStreamResult.FileStream.Read(bytes, 0, bytes.Length);
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fileStreamResult.FileStream.Close();
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var httpContext = App.HttpContext;
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httpContext.Response.ContentType = "application/octet-stream";
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httpContext.Response.Headers.Add("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
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httpContext.Response.Headers.Add("Content-Length", bytes.Length.ToString());
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httpContext.Response.Body.WriteAsync(bytes);
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httpContext.Response.Body.Flush();
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httpContext.Response.Body.Close();
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}
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#endregion
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} |