delete from t_student
where student_no = #{studentNo,jdbcType=INTEGER}
insert into t_student (student_no,student_name, student_sex, stu_pass
)
values (#{studentNo,jdbcType=INTEGER},#{studentName,jdbcType=VARCHAR}, #{studentSex,jdbcType=VARCHAR}, #{stuPass,jdbcType=VARCHAR}
)
update t_student
set student_name = #{studentName,jdbcType=VARCHAR},
student_sex = #{studentSex,jdbcType=VARCHAR},
stu_pass = #{stuPass,jdbcType=VARCHAR}
where student_no = #{studentNo,jdbcType=INTEGER}