implementation 'cn.vonce:vonce-sqlbean-android:1.2.0-beta11'
annotationProcessor 'cn.vonce:vonce-sqlbean-android:1.2.0-beta11'

@SqlTable("d_user")
public class User {
    @SqlId(type = IdType.SNOWFLAKE_ID_16)
    private Long id;
    private String name;
    private Integer age;
    private Integer stature;
    private Integer gender;
    private String phone;
    private Date createTime;
    /**省略get set方法*/
}

public class MainActivity extends AppCompatActivity {

    private SqlBeanHelper<Essay, String> essaySqlBeanHelper;
    //private SqlBeanHelper<User, String> userSqlBeanHelper;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        //方式一，单库模式
        SQLiteHelper.init(this, "testdb", 1);//建议放在MainActivity或继承的Application
        essaySqlBeanHelper = SQLiteHelper.db().get(Essay.class);

        //方式二，多库模式
        //essaySqlBeanHelper = SQLiteHelper.db(this, "testdb1", 1).get(Essay.class);
        //userSqlBeanHelper = SQLiteHelper.db(this, "testdb2", 1).get(User.class);

    }
}

public class MainActivity extends AppCompatActivity {

    private SqlBeanHelper<Essay, String> sqlBeanHelper;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        SQLiteHelper.init(this, "testdb", 1);
        sqlBeanHelper = SQLiteHelper.db().get(Essay.class);

    }

    //查询
    public void select() {
        //查询列表
        List<User> list = userService.select();
        list = sqlBeanHelper.selectBy(Wrapper.where(Cond.gt(User::getId, 10)).and(Cond.lt(User::getId, 20)));
        //指定查询
        list = sqlBeanHelper.select(new Select().column(User::getId, User::getName, User::getPhone).where().gt(User::getId, 10));

        //查询一条
        User user = userService.selectById(1);
        user = sqlBeanHelper.selectOneBy(Wrapper.where(eq(User::getId, 1001)));

        //sql语义化查询《20岁且是女性的用户根据创建时间倒序，获取前10条》
        list = sqlBeanHelper.select(new Select().column(User::getId, User::getName, User::getPhone).where().eq(User::getAge, 22).and().eq(User::getGender, 0).back().orderByDesc(User::getCreateTime).page(0, 10));

        //联表查询《20岁且是女性的用户根据创建时间倒序，查询前10条用户的信息和地址》
        Select select = new Select();
        select.column(User::getId, User::getName, User::getPhone, UserAddress::getProvince, UserAddress::getCity, UserAddress::getArea, UserAddress::getDetails);
        select.innerJoin(UserAddress.class).on().eq(UserAddress::getId, User::getId);
        select.where().gt(User::getAge, 22).and().eq(User::getGender, 0);
        select.orderByDesc(User::getCreateTime);
        select.page(0, 10);

        //查询Map
        Map<String, Object> map = sqlBeanHelper.selectMap(select);
        List<Map<String, Object>> mapList = sqlBeanHelper.selectMapList(select);
    }

    //分页
    public void getPageList() {
        // 查询对象
        Select select = new Select();
        PageHelper<User> pageHelper = new PageHelper<>(0, 10);
        pageHelper.paging(select, sqlBeanHelper);
        ResultData<List<Essay>> data = pageHelper.getResultData();
    }

    //更新
    public void update(Essay essay) {
        //根据bean内部id更新
        long i = sqlBeanHelper.updateByBeanId(essay);
        //根据外部id更新
        //i = sqlBeanHelper.updateById(essay, 20);
        //根据条件更新
        //i = sqlBeanHelper.update(new Update<User>().set(User::getGender, 1).set(User::getName, "Jovi").setAdd(User::getAge, User::getAge, 1).where().eq(User::getId, 111).back());
    }

    //删除
    public void deleteById(String[] id) {
        //根据id删除
        long i = sqlBeanHelper.deleteById(id);
        //根据条件删除
        //i = sqlBeanHelper.deleteBy(Wrapper.where(gt(User::getAge, 22)).and(eq(User::getGender, 1)));
    }

    //插入
    public void add() {
        List<Essay> essayList = new ArrayList<>();
        for (int i = 0; i < 100; i++) {
            Essay essay = new Essay(i, "name" + i);
            essayList.add(essay);
        }
        sqlBeanHelper.insert(essayList);
    }

}