using System;
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using System.IO;
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using System.Net;
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using System.Net.Http;
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using System.Web;
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using System.Web.Http;
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namespace HH.WCS.Mobox3.AnGang.api {
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public class ImageController : ApiController {
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private readonly string _baseStoragePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "StaticStorage");
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private readonly string[] _allowedExtensions = { ".jpg", ".jpeg", ".png", ".gif", ".bmp" };
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// 上传图片接口
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[HttpPost]
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[Route("UploadImage")]
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public HttpResponseMessage UploadImage() {
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try {
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if (!Request.Content.IsMimeMultipartContent()) {
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return Request.CreateErrorResponse(HttpStatusCode.UnsupportedMediaType, "请求必须包含多部分内容");
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}
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var provider = new MultipartFormDataStreamProvider(Path.GetTempPath());
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var result = Request.Content.ReadAsMultipartAsync(provider).Result;
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if (result.FileData.Count == 0) {
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return Request.CreateErrorResponse(HttpStatusCode.BadRequest, "未接收到文件");
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}
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var fileData = result.FileData[0];
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var fileName = fileData.Headers.ContentDisposition.FileName.Trim('"');
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var fileExt = Path.GetExtension(fileName).ToLower();
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if (Array.IndexOf(_allowedExtensions, fileExt) == -1) {
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return Request.CreateErrorResponse(HttpStatusCode.BadRequest, "不支持的文件类型");
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}
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// 生成日期路径
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var now = DateTime.Now;
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var year = now.ToString("yyyy");
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var month = now.ToString("MM");
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var day = now.ToString("dd");
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// 生成唯一文件名
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var newFileName = $"{now:yyyy-MM-dd-HHmmssfff}{fileExt}";
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// 目标路径
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var targetPath = Path.Combine(_baseStoragePath, "image", year, month, day);
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// 确保目录存在
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Directory.CreateDirectory(targetPath);
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// 完整文件路径
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var fullPath = Path.Combine(targetPath, newFileName);
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// 移动文件到目标位置
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File.Move(fileData.LocalFileName, fullPath);
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// 返回访问URL
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var url = $"{Request.RequestUri.Scheme}://{Request.RequestUri.Authority}/static/image/{year}/{month}/{day}/{newFileName}";
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return Request.CreateResponse(HttpStatusCode.OK, new { Url = url });
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}
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catch (Exception ex) {
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return Request.CreateErrorResponse(HttpStatusCode.InternalServerError, ex.Message);
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}
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}
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// 获取图片接口 - 实际由静态文件处理，这里只是示例
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[HttpGet]
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[Route("static/image/{year}/{month}/{day}/{filename}")]
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public HttpResponseMessage GetImage(string year, string month, string day, string filename) {
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try {
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var filePath = Path.Combine(_baseStoragePath, "image", year, month, day, filename);
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if (!File.Exists(filePath)) {
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return Request.CreateErrorResponse(HttpStatusCode.NotFound, "文件不存在");
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}
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var response = new HttpResponseMessage(HttpStatusCode.OK);
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var stream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
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response.Content = new StreamContent(stream);
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// 根据文件扩展名设置ContentType
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var ext = Path.GetExtension(filename).ToLower();
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switch (ext) {
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case ".jpg":
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case ".jpeg":
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response.Content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("image/jpeg");
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break;
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case ".png":
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response.Content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("image/png");
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break;
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case ".gif":
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response.Content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("image/gif");
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break;
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case ".bmp":
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response.Content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("image/bmp");
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break;
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default:
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response.Content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/octet-stream");
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break;
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}
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return response;
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}
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catch (Exception ex) {
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return Request.CreateErrorResponse(HttpStatusCode.InternalServerError, ex.Message);
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}
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}
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}
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}
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