java-classic-code/websocket/WebSocketClientTest.java

package ws;


import org.java_websocket.WebSocket;
import org.java_websocket.client.WebSocketClient;
import org.java_websocket.enums.ReadyState;
import org.java_websocket.handshake.ServerHandshake;
import org.joda.time.DateTime;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.Iterator;

/**
 * <pre>
 *
 * Created by zhenqin.
 * User: zhenqin
 * Date: 2023/3/17
 * Time: 下午4:19
 * Vendor: yiidata.com
 *
 * </pre>
 *
 * @author zhenqin
 */
public class WebSocketClientTest {


    public static void main(String[] args) throws Exception {
        MsgWebSocketClient client = new MsgWebSocketClient("ws://localhost:9696/dataopsapi/websocket/1");
        client.connect();
        while (client.getReadyState() != ReadyState.OPEN) {
            System.out.println("还没有打开");
            Thread.sleep(200);
        }
        System.out.println("建立websocket连接");
        client.send("asd: " + DateTime.now().toString("yyyy-MM-dd HH:mm:ss"));

        Thread.sleep(5000);
        client.close();
    }

    static class MsgWebSocketClient extends WebSocketClient {

        public MsgWebSocketClient(String url) throws URISyntaxException {
            super(new URI(url));
        }

        @Override
        public void onOpen(ServerHandshake shake) {
            System.out.println("握手...");
            for (Iterator<String> it = shake.iterateHttpFields(); it.hasNext(); ) {
                String key = it.next();
                System.out.println(key + ":" + shake.getFieldValue(key));
            }
        }

        @Override
        public void onMessage(String paramString) {
            System.out.println("接收到消息：" + paramString);
        }

        @Override
        public void onClose(int paramInt, String paramString, boolean paramBoolean) {
            System.out.println("关闭..." + paramString);
        }

        @Override
        public void onError(Exception e) {
            e.printStackTrace();
            System.out.println("异常" + e);

        }
    }
}