From a9e958ce3675c4950ceddd3fd6f939cdf0d2bc5a Mon Sep 17 00:00:00 2001 From: guyue <1721849008@qq.com> Date: 星期五, 25 七月 2025 19:00:20 +0800 Subject: [PATCH] 任务不存在时,更新关键词状态,更新创建订单id逻辑 --- src/main/java/com/linghu/controller/OrderController.java | 26 ++++++++++++++++++++------ 1 files changed, 20 insertions(+), 6 deletions(-) diff --git a/src/main/java/com/linghu/controller/OrderController.java b/src/main/java/com/linghu/controller/OrderController.java index 377bbc1..ef26edd 100644 --- a/src/main/java/com/linghu/controller/OrderController.java +++ b/src/main/java/com/linghu/controller/OrderController.java @@ -16,6 +16,7 @@ import io.swagger.annotations.ApiOperation; import org.springframework.beans.BeanUtils; import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.transaction.annotation.Transactional; import org.springframework.web.bind.annotation.*; import javax.servlet.http.HttpServletRequest; @@ -42,6 +43,7 @@ * 新增订单 */ @PostMapping + @Transactional // 开启事务 @ApiOperation(value = "新增订单") public ResponseResult<Orders> add(@RequestBody OrderDto orderDto) { // 将dto转entity @@ -55,14 +57,26 @@ // 生成订单ID:日期+当天的订单数量(如:202507060001) SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd"); String dateStr = dateFormat.format(new Date()); - - // 查询当天订单数量 + // 1. 查询当天最大的订单号(包含已删除的,适应硬删除场景) LambdaQueryWrapper<Orders> queryWrapper = new LambdaQueryWrapper<>(); - queryWrapper.likeRight(Orders::getOrder_id, dateStr); - long count = orderService.count(queryWrapper); + queryWrapper.likeRight(Orders::getOrder_id, dateStr) + .select(Orders::getOrder_id) + .orderByDesc(Orders::getOrder_id) + .last("LIMIT 1"); // 只取最大的一条 + Orders maxOrder = orderService.getOne(queryWrapper); + int sequence = 1; // 默认序号 - // 生成订单ID - String orderId = String.format("%s%04d", dateStr, count + 1); + if (maxOrder != null && maxOrder.getOrder_id() != null) { + // 2. 从最大订单号中提取序号(如"202507250005"提取"0005") + String maxId = maxOrder.getOrder_id(); + if (maxId.length() == dateStr.length() + 4) { // 校验格式 + String seqStr = maxId.substring(dateStr.length()); + sequence = Integer.parseInt(seqStr) + 1; // 序号+1 + } + } + + // 3. 生成新订单号(补全4位,如1→0001) + String orderId = String.format("%s%04d", dateStr, sequence); order.setOrder_id(orderId); // 设置初始状态 -- Gitblit v1.7.1