新增加上传文件到阿里云

ZR.Service/System/IService/ISysFileService.cs

@@ -1,9 +1,24 @@
 using Infrastructure.Attribute;
-using ZR.Model.System;
+using Microsoft.AspNetCore.Http;
 
 namespace ZR.Service.System.IService
 {
     public interface ISysFileService
     {
+        (bool, string) SaveFile(string picdir, IFormFile formFile);
+
+        /// <summary>
+        /// 按时间来创建文件夹
+        /// </summary>
+        /// <param name="path"></param>
+        /// <returns>eg: 2020/11/3</returns>
+        string GetdirPath(string path = "");
+
+        /// <summary>
+        /// 取文件名的MD5值(16位)
+        /// </summary>
+        /// <param name="name">文件名，不包括扩展名</param>
+        /// <returns></returns>
+        string HashFileName(string str = null);
     }
 }

ZR.Service/System/SysFileService.cs

@@ -1,6 +1,13 @@
 using Infrastructure.Attribute;
-using ZR.Model.System;
+using Microsoft.AspNetCore.Http;
+using System.IO;
 using ZR.Service.System.IService;
+using ZR.Common;
+using Infrastructure;
+using System;
+using System.Text;
+using System.Security.Cryptography;
+using System.Net;
 
 namespace ZR.Service.System
 {
@@ -10,6 +17,57 @@ namespace ZR.Service.System
     [AppService(ServiceType = typeof(ISysFileService), ServiceLifetime = LifeTime.Transient)]
     public class SysFileService : ISysFileService
     {
+        private string domainUrl = ConfigUtils.Instance.GetConfig("ALIYUN_OSS:domainUrl");
+
+        /// <summary>
+        /// 上传文件到阿里云
+        /// </summary>
+        /// <param name="picdir"></param>
+        /// <param name="formFile"></param>
+        /// <returns></returns>
+        public (bool, string) SaveFile(string picdir, IFormFile formFile)
+        {
+            // eg: idcard/2020/08/18
+            string dir = GetdirPath(picdir.ToString());
+            string tempName = HashFileName();
+            string fileExt = Path.GetExtension(formFile.FileName);
+            string fileName = $"{tempName}{fileExt}";
+            string webUrl = $"{domainUrl}/{dir}/{fileName}";
+
+            HttpStatusCode statusCode = AliyunOssHelper.PutObjectFromFile(formFile.OpenReadStream(), Path.Combine(dir, fileName));
+
+            if (statusCode == HttpStatusCode.OK)
+            {
+                return (true, webUrl);
+            }
+            return (false, "");
+        }
+
+        public string GetdirPath(string path = "")
+        {
+            DateTime date = DateTime.Now;
+            int year = date.Year;
+            int month = date.Month;
+            int day = date.Day;
+            //int hour = date.Hour;
+
+            string timeDir = $"{year}/{month}/{day}";// date.ToString("yyyyMM/dd/HH/");
+            if (!string.IsNullOrEmpty(path))
+            {
+                timeDir = path + "/" + timeDir;
+            }
+            return timeDir;
+        }
+
+        public string HashFileName(string str = null)
+        {
+            if (string.IsNullOrEmpty(str))
+            {
+                str = Guid.NewGuid().ToString();
+            }
+            MD5CryptoServiceProvider md5 = new();
+            return BitConverter.ToString(md5.ComputeHash(Encoding.Default.GetBytes(str)), 4, 8).Replace("-", "");
+        }
 
     }
 }