/// <summary>
 /// 默认构造函数
 /// </summary>
 public SystemDepartmentPostRoleRelationEntity()
 {
     _id           = 0;
     _departmentID = null;
     _postID       = null;
     _roleID       = null;
     _description  = null;
 }
 /// <summary>
 /// 全构造函数
 /// </summary>
 public SystemDepartmentPostRoleRelationEntity(int id, SystemDepartmentEntity departmentID, SystemPostEntity postID, SystemRoleEntity roleID, string description)
 {
     _id           = id;
     _departmentID = departmentID;
     _postID       = postID;
     _roleID       = roleID;
     _description  = description;
 }