hutool-all 包把实体Bean转化成字符串，以及把字符串转化成Bean对象

GxyJobEntity gxyJobEntity1  = new GxyJobEntity();
        gxyJobEntity1.setUserId("user001");
        gxyJobEntity1.setPlanId("plan001");
        gxyJobEntity1.setStudentId("stu001");
        
        System.out.println(gxyJobEntity1);
        
        String str = JSONUtil.toJsonStr(gxyJobEntity1);
        System.out.println(str);
        
        GxyJobEntity studentEntity= JSONUtil.toBean(str,GxyJobEntity.class);
        System.out.println(studentEntity);
        
        System.out.println(gxyJobEntity1.equals(studentEntity));