1.首先导包
import static org.jooq.impl.DSL.using;
2.
protected ConsumerCartDaoImpl(Configuration configuration) { super(ConsumerCart.CONSUMER_CART,ConsumerCartPojo.class, configuration); } @Override protected Long getId(ConsumerCartPojo consumerCartPojo) { return consumerCartPojo.getId(); }
3.为要查询的表起别名
Shop _s = Shop.SHOP.as("_s"); ShopType _st = ShopType.SHOP_TYPE.as("_st");
4.1基本查询
public ShopDetilVo findShopDetilByShopId(long shopId) { //select s.*,st.typeName from shop s,shop_type st //where s.shopTypeId = st.id and shopId = ? return using(configuration()) .select(_s.BRANDS,_s.SCOPES,_s.CONTACT,_s.SHOPNAME,_st.TYPENAME)//select不填参数默认全查找 .from(_s,_st) .where(_s.SHOPTYPEID.eq(_st.ID).and(_s.ID.eq(shopId))) .fetchOneInto(ShopDetilVo.class);//FetchOneInto把一条结果映射到一个类,fetchInto把一个结果集映射到一个类 }
4.2基本更新
public void updateCommondityAmount(long consumerId, AddCartReq req) { ConsumerCart _c = ConsumerCart.CONSUMER_CART.as("_c"); using(configuration()) .update(_c) .set(_c.QUANTITY,req.getQuantity())
.set(_c.QUANTITY2,req.getQuantity());
}
4.3基本添加
直接调用继承的insert方法
4.4基本删除
public void delCartByConsumerIdAndCommodityId(long consumerId, DelCartReq req) { //DELETE FROM consumer_cart //WHERE consumerId=123456 AND commodityId=123456789 AND shopId=11 ConsumerCart _c = ConsumerCart.CONSUMER_CART.as("_c"); using(configuration()) .deleteFrom(_c) .where(_c.CONSUMERID.eq(consumerId).and(_c.COMMODITYID.eq(req.getCommodityId())).and(_c.SHOPID.eq(req.getShopId()))) .execute(); }