EmpMan/Areas/_Admin/ApiControllers/FileApiController.cs

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// WTM默认页面 Wtm buidin page
using System;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.StaticFiles;
using WalkingTec.Mvvm.Core;
using WalkingTec.Mvvm.Core.Support.FileHandlers;
using WalkingTec.Mvvm.Mvc;

namespace WalkingTec.Mvvm.Admin.Api
{
    [AuthorizeJwtWithCookie]
    [ApiController]
    [Route("api/_file")]
    [AllRights]
    [ActionDescription("_Admin.FileApi")]
    public class FileApiController : BaseApiController
    {
        [HttpPost("[action]")]
        [ActionDescription("UploadFile")]
        public IActionResult Upload([FromServices] WtmFileProvider fp, string sm = null, string groupName = null, string subdir=null,string extra = null,string csName= null)
        {
            var FileData = Request.Form.Files[0];
            var file = fp.Upload(FileData.FileName, FileData.Length, FileData.OpenReadStream(),groupName,subdir,extra,sm,Wtm.CreateDC(cskey:csName));
            return Ok(new { Id = file.GetID(), Name = file.FileName });
        }

        [HttpPost("[action]")]
        [ActionDescription("UploadPic")]
        public IActionResult UploadImage([FromServices] WtmFileProvider fp,int? width = null, int? height = null, string sm = null, string groupName = null, string subdir = null, string extra = null, string csName = null)
        {
            if (width == null && height == null)
            {
                return Upload(fp,sm,groupName,csName);
            }
            var FileData = Request.Form.Files[0];

            Image oimage = Image.FromStream(FileData.OpenReadStream());
            if (oimage == null)
            {
                return BadRequest(Localizer["Sys.UploadFailed"]);
            }
            if (width == null)
            {
                width = height * oimage.Width / oimage.Height;
            }
            if (height == null)
            {
                height = width * oimage.Height / oimage.Width;
            }
            MemoryStream ms = new MemoryStream();
            oimage.GetThumbnailImage(width.Value, height.Value, null, IntPtr.Zero).Save(ms, System.Drawing.Imaging.ImageFormat.Png);
            ms.Position = 0;
            var file = fp.Upload(FileData.FileName, FileData.Length, ms, groupName,subdir, extra, sm, Wtm.CreateDC(cskey: csName));
            oimage.Dispose();
            ms.Dispose();