update 种子文件转为XML格式

Api/Ewide.Core/Entity/SysEmp.cs

@@ -4,6 +4,7 @@ using Microsoft.EntityFrameworkCore.Metadata.Builders;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations.Schema;
+using System.Xml.Serialization;
 
 namespace Ewide.Core
 {
@@ -44,11 +45,13 @@ namespace Ewide.Core
         /// <summary>
         /// 多对多（职位）
         /// </summary>
+        [XmlIgnore]
         public ICollection<SysPos> SysPos { get; set; }
 
         /// <summary>
         /// 多对多中间表（员工-职位）
         /// </summary>
+        [XmlIgnore]
         public List<SysEmpPos> SysEmpPos { get; set; }
 
         /// <summary>