first commit

FiddlerDecryption/Utils/Setting.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 Tomlyn;
+
+namespace FiddlerDecryption.Utils
+{
+    internal class Setting
+    {
+        public static string DEFAULT_API_HOST = "http://localhost:7788";
+        public string ApiHost { get; set; } = DEFAULT_API_HOST;
+        public static Setting Instance
+        {
+            get
+            {
+                Setting setting;
+                try
+                {
+                    setting = Toml.ToModel<Setting>(File.ReadAllText("emoney.toml"));
+                }
+                catch (Exception ex)
+                {
+                    setting = new Setting();
+                    setting.Save();
+                }
+                return setting;
+            }
+        }
+
+        public void Save()
+        {
+            string toml = Toml.FromModel(this);
+            File.WriteAllText("emoney.toml", toml);
+        }
+    }
+}