{ /// <summary>
/// 判断用户访问某个页面的权限
/// </summary>
/// <param name="memberID">会员ID</param>
/// <returns></returns>
public static bool ValidateMemberPagePermission(tb_Mem_Member member, tb_Pages page)
{
if (member == null || page == null)
{
return(false);
}
//先判断用户是否有权访问该页面
tb_Permissions permission = DataContext.tb_Permissions.Where(t => t.MemberID == member.MemberID && t.PageID == page.PageID).SingleOrDefault();
if (permission != null)
{
return(true);
}
//若用户没有权限，判断他所属的角色是否有权访问该页面
else
{
foreach (tb_MemberInRoles role in member.tb_MemberInRoles)
{
permission = DataContext.tb_Permissions.Where(t => t.RoleID == role.RoleID && t.PageID == page.PageID).SingleOrDefault();
if (permission != null)
{
return(true);
}
}
}
return(false);
}
/// <summary>
/// 授予一个或多个用户访问该页面的权限
/// </summary>
/// <param name="pageID"></param>
/// <returns></returns>
public static void AddMemberPages(long pageID, List <long> memberIDList)
{
try
{
tb_Pages page = GetPageByID(pageID);
foreach (long id in memberIDList)
{
tb_Permissions p = new tb_Permissions();
p.MemberID = id;
page.tb_Permissions.Add(p);
}
DataContext.SaveChanges();
}
catch (Exception ex)
{
LogHelper.g_Logger.ErrorFormat("授予用户权限失败！错误信息：{0}", ex.Message);
throw ex;
}
}
/// <summary>
/// 删除一个或多个用户访问该页面的权限
/// </summary>
/// <param name="pageID"></param>
/// <param name="roleIDList"></param>
public static void RemovePageMembers(long pageID, List <long> memberIDList)
{
try
{
tb_Pages page = GetPageByID(pageID);
foreach (long id in memberIDList)
{
tb_Permissions p = page.tb_Permissions.Where(t => t.MemberID == id).First();
page.tb_Permissions.Remove(p);
DataContext.tb_Permissions.DeleteObject(p);
}
DataContext.SaveChanges();
}
catch (Exception ex)
{
LogHelper.g_Logger.ErrorFormat("删除用户权限失败！错误信息：{0}", ex.Message);
throw ex;
}
}
/// <summary>
/// 授予某个角色访问一个或多个页面的权限
/// </summary>
/// <param name="roleID"></param>
/// <param name="pageIDList"></param>
public static void AddRolePages(long roleID, List <long> pageIDList)
{
try
{
tb_Roles role = BizRole.GetRoleByID(roleID);
foreach (long id in pageIDList)
{
tb_Permissions p = new tb_Permissions();
p.PageID = id;
role.tb_Permissions.Add(p);
}
DataContext.SaveChanges();
}
catch (Exception ex)
{
LogHelper.g_Logger.ErrorFormat("授予角色权限失败！错误信息：{0}", ex.Message);
throw ex;
}
}
/// <summary>
/// 解除某个角色访问一个或多个页面的权限
/// </summary>
/// <param name="roleID"></param>
/// <param name="pageIDList"></param>
public static void RemoveRolePages(long roleID, List <long> pageIDList)
{
try
{
tb_Roles role = BizRole.GetRoleByID(roleID);
foreach (long id in pageIDList)
{
tb_Permissions p = role.tb_Permissions.Where(t => t.PageID == id).First();
role.tb_Permissions.Remove(p);
DataContext.tb_Permissions.DeleteObject(p);
}
DataContext.SaveChanges();
}
catch (Exception ex)
{
LogHelper.g_Logger.ErrorFormat("删除角色权限失败！错误信息：{0}", ex.Message);
throw ex;
}
}
/// <summary>
/// 授予会员访问一个或多个页面的权限
/// </summary>
/// <param name="memberID"></param>
/// <param name="pageIDList"></param>
public static void AddMemberPages(long memberID, List <long> pageIDList)
{
try
{
tb_Mem_Member member = BizMember.GetMemberByID(memberID);
foreach (long id in pageIDList)
{
tb_Permissions p = new tb_Permissions();
p.PageID = id;
member.tb_Permissions.Add(p);
}
DataContext.SaveChanges();
}
catch (Exception ex)
{
LogHelper.g_Logger.ErrorFormat("授予会员权限失败！错误信息：{0}", ex.Message);
throw ex;
}
}
/// <summary>
/// 解除会员访问某些页面的权限
/// </summary>
/// <param name="memberID"></param>
/// <param name="pageIDList"></param>
public static void RemoveMemberPages(long memberID, List <long> pageIDList)
{
try
{
tb_Mem_Member member = BizMember.GetMemberByID(memberID);
foreach (long id in pageIDList)
{
tb_Permissions p = member.tb_Permissions.Where(t => t.PageID == id).First();
member.tb_Permissions.Remove(p);
DataContext.tb_Permissions.DeleteObject(p);
}
DataContext.SaveChanges();
}
catch (Exception ex)
{
LogHelper.g_Logger.ErrorFormat("解除会员权限失败！错误信息：{0}", ex.Message);
throw ex;
}
}
