新增接口

Mall.Common/Plugin/JsonHelper.cs

@@ -37,6 +37,18 @@ namespace Mall.Common.Plugin
             return result;
         }
 
+        /// <summary>
+        /// 获取日期时间
+        /// </summary>
+        /// <param name="jObject"></param>
+        /// <param name="key"></param>
+        /// <returns></returns>
+        public static DateTime GetDateTime(this JObject jObject, string key)
+        {
+            DateTime.TryParse(jObject[key] == null ? "" : jObject[key].ToString(), out DateTime result);
+            return result;
+        }
+
         /// <summary>
         /// 获取Int
         /// </summary>