提交示例代码

邮件系统课程完整代码/Server/Hotfix/Mail/Helper/MailFactory.cs

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+using Fantasy.Entitas;
+using Fantasy.Serialize;
+#pragma warning disable CS8625 // Cannot convert null literal to non-nullable reference type.
+
+namespace Fantasy;
+
+public static class MailFactory
+{
+    public static readonly ISerialize Serializer = SerializerManager.GetSerializer(FantasySerializerType.Bson);
+
+    /// <summary>
+    /// 创建一个基础的邮件
+    /// </summary>
+    /// <param name="scene"></param>
+    /// <param name="title"></param>
+    /// <param name="content"></param>
+    /// <param name="money"></param>
+    /// <param name="items"></param>
+    /// <param name="mailType"></param>
+    /// <returns></returns>
+    public static Mail Create(Scene scene, MailType mailType, string title, string content, int money = 0, List<Item> items = null)
+    {
+        var mail = Entity.Create<Mail>(scene, true, true);
+        mail.Title = title;
+        mail.Content = content;
+        mail.Money = money;
+        mail.MailType = mailType;
+        mail.MailState = MailState.Unread;
+
+        // if (items is not { Count: > 0 })
+        // {
+        //     
+        // }
+        if (items != null && items.Count > 0)
+        {
+            foreach (var item in items)
+            {
+                // 最好的是要个这个Item给克隆出一份来。
+                // 这样就可以保证，无论外面怎么改变也不会影响这个邮件的东西了。
+                var cloneItem = Serializer.Clone(item);
+                mail.Items.Add(cloneItem);
+            }
+        }
+        
+        return mail;
+    }
+}