foreach循环返回问题

const array = [1, 2, 3, 4, 5];
array.forEach(function(element) {
  console.log(element);
});

List<Integer> list = new ArrayList<>();
list.add(1);
list.add(2);
list.add(3);
for (Integer element : list) {
  System.out.println(element);
}

test_data = [1, 2, 3, 4, 5]
for data in test_data:
    # 执行测试用例
    pass

DECLARE @id INT;
DECLARE @name VARCHAR(50);
DECLARE cursor_name CURSOR FOR
SELECT id, name FROM table_name;
OPEN cursor_name;
FETCH NEXT FROM cursor_name INTO @id, @name;
WHILE @@FETCH_STATUS = 0
BEGIN
  -- 执行操作
  FETCH NEXT FROM cursor_name INTO @id, @name;
END
CLOSE cursor_name;
DEALLOCATE cursor_name;

servers=("server1" "server2" "server3")
for server in "${servers[@]}"
do
  # 执行操作
  echo "Server: $server"
done

apiVersion: v1
kind: Pod
metadata:
  name: my-pod
spec:
  containers:
  - name: my-container
    image: my-image
    ports:
    - containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  name: my-service
spec:
  selector:
    app: my-app
  ports:
  - protocol: TCP
    port: 80
    targetPort: 80

List<Socket> connections = new List<Socket>();
foreach (Socket connection in connections)
{
  // 执行操作
}

security_events = get_security_events()
for event in security_events:
    # 分析和处理安全事件
    pass

AVPacket packet;
while (av_read_frame(formatContext, &packet) >= 0)
{
  // 遍历音视频帧
  AVStream *stream = formatContext->streams[packet.stream_index];
  if (stream->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
  {
    // 处理视频帧
  }
  else if (stream->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
  {
    // 处理音频帧
  }
  av_packet_unref(&packet);
}

dataset = tf.data.Dataset.from_tensor_slices((features, labels))
for (x, y) in dataset:
    # 训练和推理
    pass

List<Device> devices = getDevices();
for (Device device : devices) {
  // 执行操作
}

List<String> list = new ArrayList<>();
list.add("item1");
list.add("item2");
list.add("item3");
for (String item : list) {
  // 执行操作
}

import os
for root, dirs, files in os.walk("path/to/folder"):
    for file in files:
        # 执行操作
        pass

web3.eth.getBlock(blockNumber, function(error, block) {
  block.transactions.forEach(function(transaction) {
    // 执行操作
  });
});

foreach (GameObject obj in SceneManager.GetActiveScene().GetRootGameObjects())
{
  // 执行操作
}