创建线程池 跑10w条数据

@Test
public void testByCity() throws InterruptedException {
    // 1. 获取所有医院数据
    List<TrhHospitalList> allHospitals = trhHospitalListMapper.selectList(new LambdaQueryWrapper<TrhHospitalList>()
　　　　　　　　　　　　　　　　　　　　　　　　　.eq(TrhHospitalList::getHospitalCity, "")
    );

    // 2. 配置线程池（根据API的QPS限制调整线程数）
    int maxConcurrentThreads = 5;
    ExecutorService executor = Executors.newFixedThreadPool(maxConcurrentThreads);

    // 3. 计数器
    AtomicInteger successCount = new AtomicInteger(0);
    AtomicInteger processedCount = new AtomicInteger(0);
    int total = allHospitals.size();

    // 4. 使用CountDownLatch等待所有任务完成
    CountDownLatch latch = new CountDownLatch(total);

    // 5. 提交任务（每个医院一个独立任务，线程池自动调度）
    for (TrhHospitalList hospital : allHospitals) {
        executor.submit(() -> {
            try {
                if (hospital.getHospitalCity().equals("") && hospital.getHospitalCounty().equals("")) {
                    boolean success = updateHospitalLocation(hospital);
                    if (success) {
                        successCount.incrementAndGet();
                    }
                }
            } catch (Exception e) {
                System.err.println("处理失败，ID: " + hospital.getId() + ", 错误: " + e.getMessage());
            } finally {
                latch.countDown();
                int progress = processedCount.incrementAndGet();
                if (progress % 1000 == 0) {
                    System.out.printf("进度: %d/%d (%.1f%%)%n",
                            progress, total, (progress * 100.0 / total));
                }
            }
        });
    }

    // 6. 等待所有任务完成
    latch.await();
    executor.shutdown();

    System.out.println("更新完成！成功数量: " + successCount.get());
}