自动生成采购单号

op-modules/op-wms/src/main/java/com/op/wms/service/impl/BpProcureOrderServiceImpl.java

@@ -1,6 +1,7 @@
 package com.op.wms.service.impl;
 
 import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
 
 import com.baomidou.dynamic.datasource.annotation.DS;
 import com.baomidou.dynamic.datasource.toolkit.DynamicDataSourceContextHolder;
@@ -66,6 +67,22 @@ public class BpProcureOrderServiceImpl implements IBpProcureOrderService
         bpProcureOrder.setID(IdUtils.fastSimpleUUID());
         BaseProduct baseProduct = baseProductMapper.selectBaseProductByProductName(bpProcureOrder.getMaterialName());
         bpProcureOrder.setMaterialCode(baseProduct.getProductCode());
+        AtomicInteger SEQUENCE = new AtomicInteger(101923);
+        // 生成序列号，确保唯一性
+        int sequence = SEQUENCE.getAndIncrement();
+
+        // 序列号超过8位数范围时重置（理论上不会发生，除非你的程序运行了很长时间）
+        if (sequence > 99999999) {
+            SEQUENCE.set(0);
+            sequence = SEQUENCE.getAndIncrement();
+        }
+
+        // 格式化为8位数字，前面补零
+        String formattedSequence = String.format("%08d", sequence);
+
+        // 拼接上4作为前缀
+        String s ="4" + formattedSequence;
+        bpProcureOrder.setProcureCode(s);
         return bpProcureOrderMapper.insertBpProcureOrder(bpProcureOrder);
     }