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; }