获取图片的GPS信息

13693261870

2024-01-06 15eabfdabf30973c1e99b015060b7da2190ccdf1

 JiangSu/Controllers/ImgController.cs

@@ -2,15 +2,23 @@
using JiangSu.Models;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Threading.Tasks;
using System.Web.Http;
using System.Web;

namespace JiangSu.Controllers
{
    public class ImgController : ApiController
    {
        public static string uploadPath = "Images";

        public static List<string> extension = new List<string> { ".jpg", "png" };

        [HttpGet]
        public List<Img> SelectByPage(string name, int pageSize = 10, int pageIndex = 1)
        {
@@ -86,5 +94,55 @@
                return 0;
            }
        }

        [HttpPost]
        public Task<IEnumerable<FileDesc>> Post()
        {
            string root = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, uploadPath);
            if (!Directory.Exists(root)) Directory.CreateDirectory(root);

            if (!Request.Content.IsMimeMultipartContent()) throw new HttpResponseException(HttpStatusCode.UnsupportedMediaType);

            var provider = new CustomMultipartFormDataStreamProvider(root);
            var task = Request.Content.ReadAsMultipartAsync(provider).ContinueWith<IEnumerable<FileDesc>>(t =>
            {
                if (t.IsFaulted || t.IsCanceled) throw new HttpResponseException(HttpStatusCode.InternalServerError);

                List<FileDesc> infos = new List<FileDesc>();
                foreach (MultipartFileData f in provider.FileData)
                {
                    FileInfo info = new FileInfo(f.LocalFileName);
                    if (!extension.Contains(info.Extension.ToLower()))
                    {
                        File.Delete(f.LocalFileName);
                        continue;
                    }

                    string md5 = Tools.CalcFileMD5(f.LocalFileName);
                    string newName = md5 + info.Extension;
                    string newFile = Path.Combine(root, uploadPath, newName);

                    Img img = new Img();
                    img.name = info.Name;
                    img.path = uploadPath + "\\" + newName;
                    img.geom = Tools.GetImgGps(f.LocalFileName);

                    if (!File.Exists(newFile)) File.Move(f.LocalFileName, newFile);
                    int rows = ImgDAL.Insert(img);

                    infos.Add(new FileDesc(info.Name, info.Length));
                }

                return infos;
            });

            return task;
        }

        [HttpGet]
        public string GetGps()
        {
            return Tools.GetImgGps(@"D:\SEM\病害示例_pos\1.jpg");
        }
    }
}