ZhouliProject/Zhouli.FileService/Controllers/FileController.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Options;
using Qiniu.Http;
using Qiniu.IO;
using Qiniu.Util;
using Zhouli.Common;
using Zhouli.FileService.Models;

namespace Zhouli.FileService.Controllers
{
    /// <summary>
    /// 文件下载
    /// </summary>
    [Route("[controller]")]
    [ApiController]
    public class FileController : ControllerBase
    {
        private IOptionsSnapshot<CustomConfiguration> _configuration;
        /// <summary>
        /// FileController
        /// </summary>
        /// <param name="configuration"></param>
        public FileController(IOptionsSnapshot<CustomConfiguration> configuration)
        {
            _configuration = configuration;
        }
        /// <summary>
        /// 测试
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public IActionResult Get()
        {
            return Ok("哈哈");
        }
        /// <summary>
        /// 文件访问,返回文件流
        /// </summary>
        /// <param name="fileKey"></param>
        /// <param name="environment"></param>
        /// <returns></returns>
        [HttpGet("{fileKey}")]
        public async Task<FileResult> Download([FromServices]IHostingEnvironment environment, string fileKey)
        {
            byte[] byteData = null;
            //解析fileKey
            Mac mac = new Mac(_configuration.Value.AccessKey, _configuration.Value.SecretKey);
            string rawUrl = $"{_configuration.Value.Bucket.@private.Split(',')[0]}";
            // 设置下载链接有效期3600秒
            int expireInSeconds = 3600;
            string accUrl = DownloadManager.CreateSignedUrl(mac, rawUrl, expireInSeconds);