public TestBll(ITestDal dal)
{
_dal = dal;//构造注入方式实例化dal层对象
}
public TestManager(ITestDal testDal)
{
_testDal = testDal;
}
public ExamController(IExamDal examDal, IUserDal userDal, ITestDal testDal)
{
_examDal = examDal;
_userDal = userDal;
_testDal = testDal;
}
public TestController(ITestDal testDal, IQuestionDal questionDal, ITestWithQuestionsDal testsWithQuestionsDal)
{
_testDal = testDal;
_questionDal = questionDal;
_testsWithQuestionsDal = testsWithQuestionsDal;
}
