/// <summary>
 /// 通过职位名返回职位对象
 /// </summary>
 /// <param name="strPostName">职位名</param>
 /// <returns></returns>
 public static Position GetPosition(string strPostName)
 {
     ViewPost vwPost = new ViewPost(true);
     vwPost.BaseCondition = "a.Name='" + strPostName + "'";
     return vwPost.Count > 0 ? vwPost.GetItem(0) as Position : null;
 }
 /// <summary>
 /// 获取默认职位ID
 /// </summary>
 /// <returns></returns>
 public static int GetDefaultPost()
 {
     ViewPost vbPost = new ViewPost();
     vbPost.BaseCondition = "a.Name = '员工'";
     return vbPost.Count > 0 ? vbPost.GetItem(0).ID : -1;
 }
 /// <summary>
 /// 通过职位id返回职位对象
 /// </summary>
 /// <param name="iPostID">职位id</param>
 /// <returns></returns>
 public static Position GetPosition(int iPostID)
 {
     ViewPost vwPost = new ViewPost(true);
     vwPost.BaseCondition = "a.ID='" + iPostID + "'";
     return vwPost.Count > 0 ? vwPost.GetItem(0) as Position : null;
 }