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interface Tdao{ @Select({"select * from t","select * from b"}) public void select();}class mybatis{ public void getMapper(){// SqlSessionFactory factory = null;// SqlSession sqlSession = factory.openSession(); Td.

<if test="qo.startTime !='' and qo.startTime !=null"> and update_time <![CDATA[ >= ]]> #{qo.startTime,jdbcType=VARCHAR} </if> <if test="qo.endTime !='' and qo.endTime !=null"> and update_tim.