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fix: 商品货品库存增加和减少采用手写MySQL语句。

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This commit is contained in:
Junling Bu
2018-11-22 16:05:05 +08:00
parent 42e686ab98
commit 45b0da77eb
7 changed files with 84 additions and 34 deletions
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15
litemall-admin-api/src/main/java/org/linlinjava/litemall/admin/web/AdminOrderController.java
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@@ -142,11 +142,9 @@ public class AdminOrderController {
List<LitemallOrderGoods> orderGoodsList = orderGoodsService.queryByOid(orderId);
for (LitemallOrderGoods orderGoods : orderGoodsList) {
Integer productId = orderGoods.getProductId();
LitemallGoodsProduct product = productService.findById(productId);
Integer number = product.getNumber() + orderGoods.getNumber();
product.setNumber(number);
if (productService.updateById(product) == 0) {
throw new Exception("跟新数据失败");
Short number = orderGoods.getNumber();
if (productService.addStock(productId, number) == 0) {
throw new Exception("商品货品库存增加失败");
}
}
} catch (Exception ex) {
@@ -303,10 +301,9 @@ public class AdminOrderController {
for (LitemallOrderGoods orderGoods : orderGoodsList) {
Integer productId = orderGoods.getProductId();
LitemallGoodsProduct product = productService.findById(productId);
Integer number = product.getNumber() + orderGoods.getNumber();
product.setNumber(number);
if (productService.updateById(product) == 0) {
throw new Exception("跟新数据失败");
Short number = orderGoods.getNumber();
if (productService.addStock(productId, number) == 0) {
throw new Exception("商品货品库存增加失败");
}
}
} catch (Exception ex) {

8
litemall-db/src/main/java/org/linlinjava/litemall/db/dao/GoodsProductMapper.java Normal file
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@@ -0,0 +1,8 @@
package org.linlinjava.litemall.db.dao;
import org.apache.ibatis.annotations.Param;
public interface GoodsProductMapper {
int addStock(@Param("id") Integer id, @Param("num") Short num);
int reduceStock(@Param("id") Integer id, @Param("num") Short num);
}

31
litemall-db/src/main/java/org/linlinjava/litemall/db/service/LitemallGoodsProductService.java
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@@ -1,5 +1,7 @@
package org.linlinjava.litemall.db.service;
import org.apache.ibatis.annotations.Param;
import org.linlinjava.litemall.db.dao.GoodsProductMapper;
import org.linlinjava.litemall.db.dao.LitemallGoodsProductMapper;
import org.linlinjava.litemall.db.domain.LitemallGoodsProduct;
import org.linlinjava.litemall.db.domain.LitemallGoodsProductExample;
@@ -12,42 +14,47 @@ import java.util.List;
@Service
public class LitemallGoodsProductService {
@Resource
private LitemallGoodsProductMapper goodsProductMapper;
private LitemallGoodsProductMapper litemallGoodsProductMapper;
@Resource
private GoodsProductMapper goodsProductMapper;
public List<LitemallGoodsProduct> queryByGid(Integer gid) {
LitemallGoodsProductExample example = new LitemallGoodsProductExample();
example.or().andGoodsIdEqualTo(gid).andDeletedEqualTo(false);
return goodsProductMapper.selectByExample(example);
return litemallGoodsProductMapper.selectByExample(example);
}
public LitemallGoodsProduct findById(Integer id) {
return goodsProductMapper.selectByPrimaryKey(id);
}
public int updateById(LitemallGoodsProduct goodsProduct) {
goodsProduct.setUpdateTime(LocalDateTime.now());
return goodsProductMapper.updateByPrimaryKeySelective(goodsProduct);
return litemallGoodsProductMapper.selectByPrimaryKey(id);
}
public void deleteById(Integer id) {
goodsProductMapper.logicalDeleteByPrimaryKey(id);
litemallGoodsProductMapper.logicalDeleteByPrimaryKey(id);
}
public void add(LitemallGoodsProduct goodsProduct) {
goodsProduct.setAddTime(LocalDateTime.now());
goodsProduct.setUpdateTime(LocalDateTime.now());
goodsProductMapper.insertSelective(goodsProduct);
litemallGoodsProductMapper.insertSelective(goodsProduct);
}
public int count() {
LitemallGoodsProductExample example = new LitemallGoodsProductExample();
example.or().andDeletedEqualTo(false);
return (int) goodsProductMapper.countByExample(example);
return (int) litemallGoodsProductMapper.countByExample(example);
}
public void deleteByGid(Integer gid) {
LitemallGoodsProductExample example = new LitemallGoodsProductExample();
example.or().andGoodsIdEqualTo(gid);
goodsProductMapper.logicalDeleteByExample(example);
litemallGoodsProductMapper.logicalDeleteByExample(example);
}
public int addStock(Integer id, Short num){
return goodsProductMapper.addStock(id, num);
}
public int reduceStock(Integer id, Short num){
return goodsProductMapper.reduceStock(id, num);
}
}

14
litemall-db/src/main/resources/org/linlinjava/litemall/db/dao/GoodsProductMapper.xml Normal file
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@@ -0,0 +1,14 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="org.linlinjava.litemall.db.dao.GoodsProductMapper">
<update id="addStock" parameterType="map">
update litemall_goods_product
set number = number + #{num,jdbcType=INTEGER}, update_time = now()
where id = #{id,jdbcType=INTEGER}
</update>
<update id="reduceStock" parameterType="map">
update litemall_goods_product
set number = number - #{num,jdbcType=INTEGER}, update_time = now()
where id = #{id,jdbcType=INTEGER} and number >= #{num,jdbcType=INTEGER}
</update>
</mapper>

4
litemall-db/src/main/resources/org/linlinjava/litemall/db/dao/OrderMapper.xml
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@@ -2,10 +2,6 @@
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="org.linlinjava.litemall.db.dao.OrderMapper">
<update id="updateWithOptimisticLocker" parameterType="map">
<!--
WARNING - @mbg.generated
This element is automatically generated by MyBatis Generator, do not modify.
-->
update litemall_order
<set>
<if test="order.id != null">

31
litemall-db/src/test/java/org/linlinjava/litemall/db/StockTest.java Normal file
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@@ -0,0 +1,31 @@
package org.linlinjava.litemall.db;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.linlinjava.litemall.db.dao.GoodsProductMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
@WebAppConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest
public class StockTest {
@Autowired
private GoodsProductMapper goodsProductMapper;
@Test
public void testReduceStock() {
Integer id = 1;
Short num = 10;
goodsProductMapper.reduceStock(id, num);
}
@Test
public void testAddStock() {
Integer id = 1;
Short num = 10;
goodsProductMapper.addStock(id, num);
}
}

15
litemall-wx-api/src/main/java/org/linlinjava/litemall/wx/web/WxOrderController.java
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@@ -336,7 +336,7 @@ public class WxOrderController {
}
}
// 根据订单商品总价计算运费，满88则免运费，否则8元；
// 根据订单商品总价计算运费，满足条件（例如88元）则免运费，否则需要支付运费（例如8元）；
BigDecimal freightPrice = new BigDecimal(0.00);
if (checkedGoodsPrice.compareTo(SystemConfig.getFreightLimit()) < 0) {
freightPrice = SystemConfig.getFreight();
@@ -414,9 +414,8 @@ public class WxOrderController {
if (remainNumber < 0) {
throw new RuntimeException("下单的商品货品数量大于库存量");
}
product.setNumber(remainNumber);
if (productService.updateById(product) == 0) {
throw new Exception("更新数据失败");
if (productService.reduceStock(productId, checkGoods.getNumber()) == 0) {
throw new Exception("商品货品库存减少失败");
}
}
@@ -508,11 +507,9 @@ public class WxOrderController {
List<LitemallOrderGoods> orderGoodsList = orderGoodsService.queryByOid(orderId);
for (LitemallOrderGoods orderGoods : orderGoodsList) {
Integer productId = orderGoods.getProductId();
LitemallGoodsProduct product = productService.findById(productId);
Integer number = product.getNumber() + orderGoods.getNumber();
product.setNumber(number);
if (productService.updateById(product) == 0) {
throw new Exception("更新数据失败");
Short number = orderGoods.getNumber();
if (productService.addStock(productId, number) == 0) {
throw new Exception("商品货品库存增加失败");
}
}
} catch (Exception ex) {