添加项目文件。

Common/JsonHelper.cs

@@ -0,0 +1,78 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+namespace Epost.Common
+{
+    #region Json
+    /// <summary>
+    /// Json
+    /// </summary>
+    public class JsonHelper
+    {
+        #region 序列化对象
+        /// <summary>
+        /// 序列化对象
+        /// </summary>
+        /// <param name="obj"></param>
+        /// <returns></returns>
+        public static string SerializeObject(object obj)
+        {
+            try
+            {
+                return JsonConvert.SerializeObject(obj);
+            }
+            catch (Exception ex)
+            {
+
+                return string.Empty;
+            }
+        }
+        #endregion
+
+        #region 反序列化对象
+        /// <summary>
+        /// 反序列化对象
+        /// </summary>
+        /// <param name="str"></param>
+        /// <returns></returns>
+        public static T DeserializeObject<T>(string str) where T : new()
+        {
+            try
+            {
+                return JsonConvert.DeserializeObject<T>(str);
+            }
+            catch (Exception ex)
+            {
+
+                return new T();
+            }
+        }
+
+        /// <summary>
+        /// 反序列化对象
+        /// </summary>
+        /// <param name="str"></param>
+        /// <returns></returns>
+        public static object DeserializeObject(string str)
+        {
+            try
+            {
+                return JsonConvert.DeserializeObject(str);
+            }
+            catch (Exception ex)
+            {
+
+                return new object();
+            }
+        }
+        #endregion
+        public static T GetObjectFromJson<T>(string json)
+        {
+            return JsonConvert.DeserializeObject<T>(json, new JsonSerializerSettings() { NullValueHandling = NullValueHandling.Ignore });
+        }
+    }
+    #endregion
+}