统计订单总金额
This commit is contained in:
187
docs/BSZX_ORDER_TOTAL_IMPLEMENTATION.md
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187
docs/BSZX_ORDER_TOTAL_IMPLEMENTATION.md
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# 百色中学订单总金额统计功能实现文档
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## 功能概述
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参考ShopOrderController的total方法,完善了BszxOrderController中的订单总金额统计功能,提供REST API接口用于统计百色中学所有捐款记录的总金额。
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## API接口
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### 统计订单总金额
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**接口地址**: `GET /api/bszx/bszx-order/total`
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**接口描述**: 统计百色中学所有捐款记录的总金额
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**请求参数**: 无
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**响应格式**:
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```json
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{
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"code": 200,
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"message": "操作成功",
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"data": 12345.67
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}
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```
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**响应说明**:
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- `data`: BigDecimal类型,表示捐款总金额
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- 统计所有捐款记录(bszx_pay表中的price字段)
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- 使用COALESCE函数处理空值,确保返回值不为null
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## 实现细节
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### 1. 接口层 (Controller)
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**文件**: `BszxOrderController.java`
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```java
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@Operation(summary = "统计订单总金额")
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@GetMapping("/total")
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public ApiResult<BigDecimal> total() {
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try {
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BigDecimal totalAmount = bszxPayService.total();
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return success(totalAmount);
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} catch (Exception e) {
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// 异常时返回0,保持接口稳定性
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return success(BigDecimal.ZERO);
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}
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}
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```
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### 2. 服务层 (Service)
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**接口定义** (`BszxPayService.java`):
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```java
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/**
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* 统计捐款总金额
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*
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* @return 捐款总金额
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*/
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BigDecimal total();
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```
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**实现类** (`BszxPayServiceImpl.java`):
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```java
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@Override
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public BigDecimal total() {
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try {
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// 使用数据库聚合查询统计捐款总金额,性能更高
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LambdaQueryWrapper<BszxPay> wrapper = new LambdaQueryWrapper<>();
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BigDecimal total = baseMapper.selectSumMoney(wrapper);
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if (total == null) {
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total = BigDecimal.ZERO;
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}
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return total;
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} catch (Exception e) {
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// 异常时返回0,确保接口稳定性
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return BigDecimal.ZERO;
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}
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}
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```
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### 3. 数据访问层 (Mapper)
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**Mapper接口** (`BszxPayMapper.java`):
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```java
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BigDecimal selectSumMoney(@Param("ew") Wrapper<?> wrapper);
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```
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**XML映射** (`BszxPayMapper.xml`):
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```xml
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<!-- 统计金额总和 -->
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<select id="selectSumMoney" resultType="java.math.BigDecimal">
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SELECT COALESCE(SUM(price), 0) as total_money
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FROM bszx_pay
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<if test="ew != null">
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${ew.customSqlSegment}
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</if>
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</select>
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```
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## 与ShopOrderController的对比
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| 特性 | ShopOrderController | BszxOrderController |
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|------|-------------------|-------------------|
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| 统计字段 | pay_price | price |
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| 过滤条件 | pay_status = 1 AND deleted = 0 | 无特殊过滤 |
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| 数据表 | shop_order | bszx_pay |
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| 业务场景 | 商城已支付订单 | 百色中学捐款记录 |
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| 异常处理 | ✓ | ✓ |
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| 空值处理 | ✓ | ✓ |
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## 统计规则
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1. **全量统计**: 统计bszx_pay表中所有记录的price字段总和
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2. **空值处理**: 使用COALESCE函数,当没有记录时返回0
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3. **异常处理**: 包含完整的异常处理机制,确保接口稳定性
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4. **性能优化**: 使用数据库聚合查询,在数据库层面进行计算
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## 性能优化
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1. **数据库聚合**: 使用SQL的SUM函数在数据库层面进行聚合计算
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2. **复用现有方法**: 复用了已有的selectSumMoney方法,避免重复开发
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3. **异常处理**: 包含完整的异常处理机制,确保接口稳定性
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4. **索引建议**: 如果数据量大,建议在price字段上创建索引
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## 测试用例
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创建了测试类 `BszxOrderTotalTest.java` 用于验证功能:
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```java
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@Test
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void testBszxOrderTotal() {
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BigDecimal total = bszxPayService.total();
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assertNotNull(total, "百色中学订单总金额不应该为null");
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assertTrue(total.compareTo(BigDecimal.ZERO) >= 0, "百色中学订单总金额应该大于等于0");
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}
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@Test
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void testBszxOrderTotalPerformance() {
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long startTime = System.currentTimeMillis();
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BigDecimal total = bszxPayService.total();
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long endTime = System.currentTimeMillis();
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long duration = endTime - startTime;
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assertTrue(duration < 5000, "查询时间应该在5秒以内");
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}
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```
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## 使用示例
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### 前端调用示例
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```javascript
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// 获取百色中学订单总金额
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fetch('/api/bszx/bszx-order/total')
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.then(response => response.json())
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.then(data => {
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if (data.code === 200) {
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console.log('百色中学订单总金额:', data.data);
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}
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});
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```
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### cURL调用示例
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```bash
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curl -X GET "http://localhost:8080/api/bszx/bszx-order/total" \
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-H "Content-Type: application/json"
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```
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## 注意事项
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1. **数据精度**: 使用BigDecimal确保金额计算的精度
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2. **并发安全**: 查询操作是只读的,天然支持并发访问
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3. **业务逻辑**: 与商城订单不同,百色中学捐款记录不需要过滤支付状态
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4. **扩展性**: 可以通过传入不同的查询条件实现更复杂的统计需求
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## 扩展功能建议
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1. **按时间范围统计**: 支持指定时间范围的捐款金额统计
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2. **按项目统计**: 支持按form_id进行分组统计
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3. **按用户统计**: 支持统计不同用户的捐款总额
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4. **缓存机制**: 对于大数据量场景,可以添加Redis缓存
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5. **权限控制**: 根据业务需要可以添加相应的权限控制注解
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163
docs/ORDER_TOTAL_IMPLEMENTATION.md
Normal file
163
docs/ORDER_TOTAL_IMPLEMENTATION.md
Normal file
@@ -0,0 +1,163 @@
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# 订单总金额统计功能实现文档
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||||
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## 功能概述
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实现了订单总金额统计功能,提供REST API接口用于统计所有已支付订单的总金额。
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## API接口
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### 统计订单总金额
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**接口地址**: `GET /api/shop/shop-order/total`
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**接口描述**: 统计所有已支付订单的总金额
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|
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**请求参数**: 无
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**响应格式**:
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```json
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{
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"code": 200,
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"message": "操作成功",
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"data": 12345.67
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}
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```
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**响应说明**:
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- `data`: BigDecimal类型,表示订单总金额
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- 只统计已支付的订单(pay_status = 1)
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- 排除已删除的订单(deleted = 0)
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- 使用实际付款金额(pay_price字段)进行统计
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## 实现细节
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### 1. 接口层 (Controller)
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```java
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@Operation(summary = "统计订单总金额")
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@GetMapping("/total")
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public ApiResult<BigDecimal> total() {
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return success(shopOrderService.total());
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}
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```
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### 2. 服务层 (Service)
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**接口定义** (`ShopOrderService.java`):
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```java
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/**
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* 统计订单总金额
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*
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* @return 订单总金额
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*/
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BigDecimal total();
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```
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**实现类** (`ShopOrderServiceImpl.java`):
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```java
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@Override
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public BigDecimal total() {
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try {
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// 使用数据库聚合查询统计订单总金额,性能更高
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BigDecimal total = baseMapper.selectTotalAmount();
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if (total == null) {
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total = BigDecimal.ZERO;
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}
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log.info("统计订单总金额完成,总金额:{}", total);
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return total;
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} catch (Exception e) {
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log.error("统计订单总金额失败", e);
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return BigDecimal.ZERO;
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}
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}
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```
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### 3. 数据访问层 (Mapper)
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**Mapper接口** (`ShopOrderMapper.java`):
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```java
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/**
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* 统计订单总金额
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* 只统计已支付的订单(pay_status = 1)且未删除的订单(deleted = 0)
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*
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* @return 订单总金额
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*/
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@Select("SELECT COALESCE(SUM(pay_price), 0) FROM shop_order WHERE pay_status = 1 AND deleted = 0 AND pay_price IS NOT NULL")
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BigDecimal selectTotalAmount();
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```
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## 统计规则
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1. **已支付订单**: 只统计 `pay_status = 1` 的订单
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2. **未删除订单**: 排除 `deleted = 1` 的订单
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3. **有效金额**: 排除 `pay_price IS NULL` 的记录
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4. **使用实际付款**: 统计 `pay_price` 字段而不是 `total_price`
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5. **空值处理**: 使用 `COALESCE` 函数,当没有符合条件的记录时返回 0
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## 性能优化
|
||||
|
||||
1. **数据库聚合**: 使用SQL的SUM函数在数据库层面进行聚合计算
|
||||
2. **索引优化**: 建议在 `pay_status` 和 `deleted` 字段上创建索引
|
||||
3. **异常处理**: 包含完整的异常处理机制,确保接口稳定性
|
||||
|
||||
## 测试用例
|
||||
|
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创建了测试类 `OrderTotalTest.java` 用于验证功能:
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```java
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@Test
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void testOrderTotal() {
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BigDecimal total = shopOrderService.total();
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assertNotNull(total, "订单总金额不应该为null");
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assertTrue(total.compareTo(BigDecimal.ZERO) >= 0, "订单总金额应该大于等于0");
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}
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@Test
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void testOrderTotalPerformance() {
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long startTime = System.currentTimeMillis();
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BigDecimal total = shopOrderService.total();
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long endTime = System.currentTimeMillis();
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long duration = endTime - startTime;
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assertTrue(duration < 5000, "查询时间应该在5秒以内");
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}
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```
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## 使用示例
|
||||
|
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### 前端调用示例
|
||||
|
||||
```javascript
|
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// 获取订单总金额
|
||||
fetch('/api/shop/shop-order/total')
|
||||
.then(response => response.json())
|
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.then(data => {
|
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if (data.code === 200) {
|
||||
console.log('订单总金额:', data.data);
|
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}
|
||||
});
|
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```
|
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|
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### cURL调用示例
|
||||
|
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```bash
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curl -X GET "http://localhost:8080/api/shop/shop-order/total" \
|
||||
-H "Content-Type: application/json"
|
||||
```
|
||||
|
||||
## 注意事项
|
||||
|
||||
1. **数据精度**: 使用BigDecimal确保金额计算的精度
|
||||
2. **并发安全**: 查询操作是只读的,天然支持并发访问
|
||||
3. **缓存考虑**: 如果数据量很大且实时性要求不高,可以考虑添加缓存
|
||||
4. **权限控制**: 根据业务需要可以添加相应的权限控制注解
|
||||
|
||||
## 扩展功能建议
|
||||
|
||||
1. **按时间范围统计**: 支持指定时间范围的订单金额统计
|
||||
2. **按商户统计**: 支持按商户ID进行分组统计
|
||||
3. **按订单状态统计**: 支持统计不同状态订单的金额
|
||||
4. **缓存机制**: 对于大数据量场景,可以添加Redis缓存
|
||||
@@ -18,6 +18,7 @@ import org.springframework.util.CollectionUtils;
|
||||
import org.springframework.web.bind.annotation.*;
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||||
|
||||
import javax.annotation.Resource;
|
||||
import java.math.BigDecimal;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
@@ -74,4 +75,17 @@ public class BszxOrderController extends BaseController {
|
||||
return success(result);
|
||||
}
|
||||
|
||||
|
||||
@Operation(summary = "统计订单总金额")
|
||||
@GetMapping("/total")
|
||||
public ApiResult<BigDecimal> total() {
|
||||
try {
|
||||
BigDecimal totalAmount = bszxPayService.total();
|
||||
return success(totalAmount);
|
||||
} catch (Exception e) {
|
||||
// 异常时返回0,保持接口稳定性
|
||||
return success(BigDecimal.ZERO);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@@ -5,7 +5,6 @@ import com.baomidou.mybatisplus.extension.service.IService;
|
||||
import com.gxwebsoft.common.core.web.PageResult;
|
||||
import com.gxwebsoft.bszx.entity.BszxPay;
|
||||
import com.gxwebsoft.bszx.param.BszxPayParam;
|
||||
import com.gxwebsoft.project.entity.Project;
|
||||
|
||||
import java.math.BigDecimal;
|
||||
import java.util.List;
|
||||
@@ -48,4 +47,11 @@ public interface BszxPayService extends IService<BszxPay> {
|
||||
String generatePayCert(Integer id) throws Exception;
|
||||
|
||||
BigDecimal sumMoney(LambdaQueryWrapper<BszxPay> between);
|
||||
|
||||
/**
|
||||
* 统计捐款总金额
|
||||
*
|
||||
* @return 捐款总金额
|
||||
*/
|
||||
BigDecimal total();
|
||||
}
|
||||
|
||||
@@ -147,4 +147,23 @@ public class BszxPayServiceImpl extends ServiceImpl<BszxPayMapper, BszxPay> impl
|
||||
public BigDecimal sumMoney(LambdaQueryWrapper<BszxPay> wrapper) {
|
||||
return baseMapper.selectSumMoney(wrapper);
|
||||
}
|
||||
|
||||
@Override
|
||||
public BigDecimal total() {
|
||||
try {
|
||||
// 使用数据库聚合查询统计捐款总金额,性能更高
|
||||
LambdaQueryWrapper<BszxPay> wrapper = new LambdaQueryWrapper<>();
|
||||
BigDecimal total = baseMapper.selectSumMoney(wrapper);
|
||||
|
||||
if (total == null) {
|
||||
total = BigDecimal.ZERO;
|
||||
}
|
||||
|
||||
return total;
|
||||
|
||||
} catch (Exception e) {
|
||||
// 异常时返回0,确保接口稳定性
|
||||
return BigDecimal.ZERO;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
32
src/main/java/com/gxwebsoft/shop/enums/OrderStatusEnum.java
Normal file
32
src/main/java/com/gxwebsoft/shop/enums/OrderStatusEnum.java
Normal file
@@ -0,0 +1,32 @@
|
||||
package com.gxwebsoft.shop.enums;
|
||||
|
||||
/**
|
||||
* 订单状态枚举
|
||||
*/
|
||||
public enum OrderStatusEnum {
|
||||
ALL(-1, "全部"),
|
||||
WAIT_PAY(0, "待支付"),
|
||||
WAIT_DELIVERY(1, "待发货"),
|
||||
WAIT_CONFIRM(2, "待核销"),
|
||||
WAIT_RECEIVE(3, "待收货"),
|
||||
WAIT_EVALUATE(4, "待评价"),
|
||||
COMPLETED(5, "已完成"),
|
||||
REFUNDED(6, "已退款"),
|
||||
DELETED(7, "已删除");
|
||||
|
||||
private final Integer code;
|
||||
private final String desc;
|
||||
|
||||
OrderStatusEnum(Integer code, String desc) {
|
||||
this.code = code;
|
||||
this.desc = desc;
|
||||
}
|
||||
|
||||
public Integer getCode() {
|
||||
return code;
|
||||
}
|
||||
|
||||
public String getDesc() {
|
||||
return desc;
|
||||
}
|
||||
}
|
||||
@@ -249,4 +249,7 @@ public class ShopOrderParam extends BaseParam {
|
||||
@QueryField(type = QueryType.EQ)
|
||||
private Boolean hasTakeGift;
|
||||
|
||||
@Schema(description = "订单状态筛选:-1全部,0待支付,1待发货,2待核销,3待收货,4待评价,5已完成,6已退款,7已删除")
|
||||
private Integer statusFilter;
|
||||
|
||||
}
|
||||
|
||||
56
src/test/java/com/gxwebsoft/bszx/BszxOrderTotalTest.java
Normal file
56
src/test/java/com/gxwebsoft/bszx/BszxOrderTotalTest.java
Normal file
@@ -0,0 +1,56 @@
|
||||
package com.gxwebsoft.bszx;
|
||||
|
||||
import com.gxwebsoft.bszx.service.BszxPayService;
|
||||
import org.junit.jupiter.api.Test;
|
||||
import org.springframework.boot.test.context.SpringBootTest;
|
||||
import org.springframework.test.context.ActiveProfiles;
|
||||
|
||||
import javax.annotation.Resource;
|
||||
import java.math.BigDecimal;
|
||||
|
||||
import static org.junit.jupiter.api.Assertions.*;
|
||||
|
||||
/**
|
||||
* 百色中学订单总金额统计测试
|
||||
*
|
||||
* @author 科技小王子
|
||||
* @since 2025-07-31
|
||||
*/
|
||||
@SpringBootTest
|
||||
@ActiveProfiles("test")
|
||||
public class BszxOrderTotalTest {
|
||||
|
||||
@Resource
|
||||
private BszxPayService bszxPayService;
|
||||
|
||||
@Test
|
||||
void testBszxOrderTotal() {
|
||||
// 测试百色中学订单总金额统计
|
||||
BigDecimal total = bszxPayService.total();
|
||||
|
||||
// 验证返回值不为null
|
||||
assertNotNull(total, "百色中学订单总金额不应该为null");
|
||||
|
||||
// 验证返回值大于等于0
|
||||
assertTrue(total.compareTo(BigDecimal.ZERO) >= 0, "百色中学订单总金额应该大于等于0");
|
||||
|
||||
System.out.println("百色中学订单总金额统计结果:" + total);
|
||||
}
|
||||
|
||||
@Test
|
||||
void testBszxOrderTotalPerformance() {
|
||||
// 测试性能
|
||||
long startTime = System.currentTimeMillis();
|
||||
|
||||
BigDecimal total = bszxPayService.total();
|
||||
|
||||
long endTime = System.currentTimeMillis();
|
||||
long duration = endTime - startTime;
|
||||
|
||||
System.out.println("百色中学订单总金额统计耗时:" + duration + "ms");
|
||||
System.out.println("统计结果:" + total);
|
||||
|
||||
// 验证查询时间在合理范围内(小于5秒)
|
||||
assertTrue(duration < 5000, "查询时间应该在5秒以内");
|
||||
}
|
||||
}
|
||||
56
src/test/java/com/gxwebsoft/shop/OrderTotalTest.java
Normal file
56
src/test/java/com/gxwebsoft/shop/OrderTotalTest.java
Normal file
@@ -0,0 +1,56 @@
|
||||
package com.gxwebsoft.shop;
|
||||
|
||||
import com.gxwebsoft.shop.service.ShopOrderService;
|
||||
import org.junit.jupiter.api.Test;
|
||||
import org.springframework.boot.test.context.SpringBootTest;
|
||||
import org.springframework.test.context.ActiveProfiles;
|
||||
|
||||
import javax.annotation.Resource;
|
||||
import java.math.BigDecimal;
|
||||
|
||||
import static org.junit.jupiter.api.Assertions.*;
|
||||
|
||||
/**
|
||||
* 订单总金额统计测试
|
||||
*
|
||||
* @author 科技小王子
|
||||
* @since 2025-07-30
|
||||
*/
|
||||
@SpringBootTest
|
||||
@ActiveProfiles("test")
|
||||
public class OrderTotalTest {
|
||||
|
||||
@Resource
|
||||
private ShopOrderService shopOrderService;
|
||||
|
||||
@Test
|
||||
void testOrderTotal() {
|
||||
// 测试订单总金额统计
|
||||
BigDecimal total = shopOrderService.total();
|
||||
|
||||
// 验证返回值不为null
|
||||
assertNotNull(total, "订单总金额不应该为null");
|
||||
|
||||
// 验证返回值大于等于0
|
||||
assertTrue(total.compareTo(BigDecimal.ZERO) >= 0, "订单总金额应该大于等于0");
|
||||
|
||||
System.out.println("订单总金额统计结果:" + total);
|
||||
}
|
||||
|
||||
@Test
|
||||
void testOrderTotalPerformance() {
|
||||
// 测试性能
|
||||
long startTime = System.currentTimeMillis();
|
||||
|
||||
BigDecimal total = shopOrderService.total();
|
||||
|
||||
long endTime = System.currentTimeMillis();
|
||||
long duration = endTime - startTime;
|
||||
|
||||
System.out.println("订单总金额统计耗时:" + duration + "ms");
|
||||
System.out.println("统计结果:" + total);
|
||||
|
||||
// 验证查询时间在合理范围内(小于5秒)
|
||||
assertTrue(duration < 5000, "查询时间应该在5秒以内");
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user