update

bailuntec-cost-core/src/main/java/com/blt/other/common/lock/CostPlanNoLock.java

+package com.blt.other.common.lock;
+
+import java.util.HashMap;
+import java.util.concurrent.locks.ReentrantLock;
+
+/**
+ * 分段锁，系统提供一定数量的原始锁，根据传入用户id值获取对应的锁并加锁
+ * 注意：要锁的用户id值如果发生改变，有可能导致锁无法成功释放!!!
+ */
+public class CostPlanNoLock {
+
+    private final static HashMap<Integer, ReentrantLock> lockMap = new HashMap<>();
+    private Integer segments = 500;// 默认分段数量
+
+    private CostPlanNoLock() {
+        init(null, false);
+    }
+
+    private CostPlanNoLock(Integer counts, boolean fair) {
+        init(counts, fair);
+    }
+
+    /*静态内部类实现单例*/
+    public static CostPlanNoLock getInstance() {
+        return SingletonHolder.instance;
+    }
+
+    private void init(Integer counts, boolean fair) {
+        if (counts != null) {
+            segments = counts;
+        }
+        for (int i = 0; i < segments; i++) {
+            lockMap.put(i, new ReentrantLock(fair));
+        }
+    }
+
+    public void lock(int key) {
+        ReentrantLock lock = lockMap.get(key % segments);
+        lock.lock();
+    }
+
+    public void unlock(int key) {
+        ReentrantLock lock = lockMap.get(key % segments);
+        lock.unlock();
+    }
+
+    @Override
+    public String toString() {
+        return "SegmentLock [segments=" + segments + ", lockMap=" + lockMap
+                + "]";
+    }
+
+    /*静态内部类实现单例*/
+    private static class SingletonHolder {
+        private static final CostPlanNoLock instance = new CostPlanNoLock(null, true);
+    }
+
+}

bailuntec-cost-core/src/main/java/com/blt/other/module/cost/controller/CostPlanNewController.java

 package com.blt.other.module.cost.controller;
 
+import com.blt.other.common.lock.CostPlanNoLock;
 import com.blt.other.common.util.CurUtils;
 import com.blt.other.database.model.CostPlanDomain;
 import com.blt.other.module.cost.dto.response.RestResp;
@@ -41,13 +42,19 @@ public class CostPlanNewController {
     @PostMapping("/affirm")
     public Map<String, Object> affirm(@RequestParam String costPlanNo) {
         Map<String, Object> result = new HashMap<>();
-        CostPlanService costPlanService = CostPlanServiceFactory.getCostPlanService(costPlanNo);
+        CostPlanNoLock lock = CostPlanNoLock.getInstance();
+        try {
+            lock.lock(costPlanNo.hashCode());
+            CostPlanService costPlanService = CostPlanServiceFactory.getCostPlanService(costPlanNo);
 
-        Integer affirm = costPlanService.affirm(costPlanNo);
-        result.put("success", true);
-        result.put("msg", "已生成 " + affirm + " 张费用单");
+            Integer affirm = costPlanService.affirm(costPlanNo);
+            result.put("success", true);
+            result.put("msg", "已生成 " + affirm + " 张费用单");
 
-        return result;
+            return result;
+        } finally {
+            lock.unlock(costPlanNo.hashCode());
+        }
     }
 
     @ApiOperation("/删除费用计划")

bailuntec-cost-core/src/main/java/com/blt/other/module/cost/model/CostDomain.java

@@ -57,7 +57,6 @@ public class CostDomain implements Serializable {
     private String costNo;
     @ApiModelProperty("费用计划编号")
     private String costPlanNo;
-
     @ApiModelProperty("当前部门id")
     private Integer costDepartmentId;
 

bailuntec-cost-core/src/main/java/com/blt/other/module/cost/service/impl/costtemplate/CostTemplateBaseColServiceImpl.java → bailuntec-cost-core/src/main/java/com/blt/other/module/cost/service/impl/CostTemplateBaseColServiceImpl.java

-package com.blt.other.module.cost.service.impl.costtemplate;
+package com.blt.other.module.cost.service.impl;
 
 import com.bailuntec.common.BeanUtils;
 import com.bailuntec.common.ListUtil;

bailuntec-cost-core/src/main/java/com/blt/other/module/cost/service/impl/costtemplate/CostTemplateColServiceImpl.java → bailuntec-cost-core/src/main/java/com/blt/other/module/cost/service/impl/CostTemplateColServiceImpl.java

-package com.blt.other.module.cost.service.impl.costtemplate;
+package com.blt.other.module.cost.service.impl;
 
 import com.bailuntec.common.ListUtil;
 import com.bailuntec.common.StringUtils;

bailuntec-cost-core/src/main/java/com/blt/other/module/cost/service/impl/costtemplate/CostTemplateServiceImpl.java → bailuntec-cost-core/src/main/java/com/blt/other/module/cost/service/impl/CostTemplateServiceImpl.java

-package com.blt.other.module.cost.service.impl.costtemplate;
+package com.blt.other.module.cost.service.impl;
 
 import com.bailuntec.common.StringUtils;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;

bailuntec-cost-core/src/main/java/com/blt/other/module/cost/service/impl/costplan/AbstractCostPlanService.java

@@ -4,7 +4,9 @@ import com.bailuntec.common.ListUtil;
 import com.bailuntec.cost.api.dto.CostPlanDto;
 import com.blt.other.common.exception.BizRuntimeException;
 import com.blt.other.database.model.*;
+import com.blt.other.module.auth.dao.OaUserMapper;
 import com.blt.other.module.auth.dao.UserDao;
+import com.blt.other.module.auth.model.OaUser;
 import com.blt.other.module.cost.dao.*;
 import com.blt.other.module.cost.dto.request.GetAllCostPlanReq;
 import com.blt.other.module.cost.dto.response.GetAllCostPlanResp;
@@ -179,6 +181,9 @@ public abstract class AbstractCostPlanService implements CostPlanService {
         return result;
     }
 
+    @Resource
+    OaUserMapper oaUserMapper;
+
     protected CostDomain planToCost(String costPlanNo) {
         CostDomain costDomain = new CostDomain();
         CostPlanDomain costPlanDomain = costPlanDao.selectByNo(costPlanNo);