@Test
    /*通过下标的方式指定参数*/
    public void t01Parameterbyunderid(){
        /*模拟前台输入参数*/
        Teacher teacher=new Teacher("a",400.00);


        /*hql语句*/
        String hql="from Teacher where address=? and sal>?";
        Query query = session.createQuery(hql);
        /*赋值*/
        query.setParameter(0,teacher.getAddress());
        query.setParameter(1,teacher.getSal());
        /*查询*/
        List list = query.list();
        /*遍历*/
        for (Object t:list) {
            System.out.println(t);
        }

    }

    @Test
    /*通过自定义参数名的方式指定参数*/
    public void t02Parameterbymyselfkey(){
        /*模拟前台输入参数*/
        Teacher teacher=new Teacher("a",400.00);


        /*hql语句*/
        String hql="from Teacher where address=:teaAdd and sal>:teasal";
        Query query = session.createQuery(hql);
        /*赋值*/
        query.setParameter("teaAdd",teacher.getAddress());
        query.setParameter("teasal",teacher.getSal());
        /*查询*/
        List list = query.list();
        /*遍历*/
        for (Object t:list) {
            System.out.println(t);
        }

    }

    @Test
    /*通过自定义对象的方式指定参数*/
    /*适合单表操作*/
    public void t03ParameterbymyselfObject(){
        /*模拟前台输入参数*/
        Teacher teacher=new Teacher("a",400.00);


        /*hql语句*/
        String hql="from Teacher where address=:address and sal>:sal";
        Query query = session.createQuery(hql);
        /*赋值*/
        query.setProperties(teacher);
        /*查询*/
        List list = query.list();
        /*遍历*/
        for (Object t:list) {
            System.out.println(t);
        }

    }

    @Test
    /*通过自定义参数名的方式指定动态参数*/
    /*适合多表操作*/
    public void t04ParameterbyDongtai(){
        /*模拟前台输入参数*/
        Teacher teacher=new Teacher("a",400.00);


        /*hql语句*/
        StringBuffer hql=new StringBuffer("from Teacher where 1=1 ");

        if(teacher.getAddress()!=null){
            hql.append("and address=:teaAdd ");
        }
        if(teacher.getSal()>0){
            hql.append("and sal>:teasal ");
        }

        Query query = session.createQuery(hql.toString());
        /*赋值*/
        query.setParameter("teaAdd",teacher.getAddress());
        query.setParameter("teasal",teacher.getSal());
        /*查询*/
        List list = query.list();
        /*遍历*/
        for (Object t:list) {
            System.out.println(t);
        }

    }