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iMES.WebApi/Helper/Appsettings.cs

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+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Configuration.Json;
+using System;
+
+namespace iMES.Bi
+{
+    /// <summary>
+    /// appsettings.json操作类
+    /// </summary>
+    public class Appsettings
+    {
+        static IConfiguration Configuration { get; set; }
+        static Appsettings()
+        {
+            //ReloadOnChange = true 当appsettings.json被修改时重新加载
+            Configuration = new ConfigurationBuilder()
+            .Add(new JsonConfigurationSource { Path = "appsettings.json", ReloadOnChange = true })//请注意要把当前appsetting.json 文件->右键->属性->复制到输出目录->始终复制
+            .Build();
+        }
+        /// <summary>
+        /// 封装要操作的字符
+        /// </summary>
+        /// <param name="sections"></param>
+        /// <returns></returns>
+        public static string app(params string[] sections)
+        {
+            try
+            {
+                var val = string.Empty;
+                for (int i = 0; i < sections.Length; i++)
+                {
+                    val += sections[i] + ":";
+                }
+
+                return Configuration[val.TrimEnd(':')];
+            }
+            catch (Exception)
+            {
+                return "";
+            }
+
+        }
+    }
+}

iMES.WebApi/Helper/BackService.cs

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+using iMES.Bi.API;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using System;
+using System.IO;
+using System.Net;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace iMES.Bi
+{
+
+    public class BackService : BackgroundService
+    {
+        public ILogger _logger;
+        public BackService(ILogger<BackService> logger)
+        {
+            this._logger = logger;
+        }
+
+        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+        {
+            try
+            {
+                while (!stoppingToken.IsCancellationRequested)
+                {
+                    Random rd = new Random();
+                    string strUrl = Appsettings.app("APITX");
+                    HttpWebResponse ResponseDataXS = CommonHelp.CreateHttpResponse(strUrl, null, 0, "", null, "GET");
+                    string Returndata = new StreamReader(ResponseDataXS.GetResponseStream(), Encoding.UTF8).ReadToEnd();
+                    await Task.Delay(5000, stoppingToken); //启动后5秒执行一次 (用于测试)
+                }
+            }
+            catch (Exception ex)
+            {
+                CommonHelp.WriteLOG(ex.Message.ToString());
+
+            }
+        }
+    }
+}

iMES.WebApi/Helper/ControHelp.cs

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+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using iMES.Bi.API;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace iMES.Bi
+{
+    public class ControHelp
+    {
+        public static string CovJson(Msg_Result Model)
+        {
+            IsoDateTimeConverter timeConverter = new IsoDateTimeConverter();
+            timeConverter.DateTimeFormat = "yyyy-MM-dd HH:mm:ss";
+            string Result = JsonConvert.SerializeObject(Model, Formatting.Indented, timeConverter).Replace("null", "\"\"");
+            return Result;
+        }
+    }
+    public class NPOIMemoryStream : MemoryStream
+    {
+        /// <summary>
+        /// 获取流是否关闭
+        /// </summary>
+        public bool IsColse
+        {
+            get;
+            private set;
+        }
+
+        public NPOIMemoryStream(bool colse = false)
+        {
+            IsColse = colse;
+        }
+
+        public override void Close()
+        {
+            if (IsColse)
+            {
+                base.Close();
+            }
+
+        }
+    }
+}

iMES.WebApi/Helper/HttpHelp.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace iMES.Bi
+{
+    public class HttpHelp
+    {
+
+        public static string getIP()
+        {
+
+            return "";
+        }
+    }
+}

iMES.WebApi/Helper/UploadHelp.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace iMES.Bi
+{
+    public class UploadHelp
+    {
+
+        public static string GetFileType(string extname)
+        {
+            switch (extname.ToLower())
+            {
+                case "gif":
+                case "jpg":
+                case "bmp":
+                case "jpeg":
+                case "tiff":
+                case "png":
+                    return "pic";
+                default:
+                    return extname.ToLower().TrimStart('.');
+            }
+        }
+
+
+        /// <summary>
+        /// 生成指定长度的随机码。
+        /// </summary>
+        public static string CreateRandomCode(int length)
+        {
+            string[] codes = new string[36] { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z" };
+            StringBuilder randomCode = new StringBuilder();
+            Random rand = new Random();
+            for (int i = 0; i < length; i++)
+            {
+                randomCode.Append(codes[rand.Next(codes.Length)]);
+            }
+            return randomCode.ToString();
+        }
+
+        /// <summary>
+        /// 表示图片的上传结果。
+        /// </summary>
+      
+    }
+
+
+}