springboot @Select @Insert @Update @Delete@Options

@RequestMapping("/select") @ResponseBody public void select() { System.out.println(userMapper.findByName("Michael").toString()); } @RequestMapping("/select2") @ResponseBody public void select2() { System.out.println(userMapper.findByName2("Michael").toString()); } @RequestMapping("/select3") @ResponseBody public void select3() { System.out.println(userMapper.findByName…