Socket实战

包含整个系列： Socket实战系列： Socket实战——UDP连接：https://blog.csdn.net/haoranhaoshi/article/details/86601468 Socket实战——TCP连接：https://blog.csdn.net/haoranhaoshi/article/details/86601522 Socket实战——查询数据库：https://blog.csdn.net/haoranhaoshi/article/details/86601566 Socket实战——监听数据库：https://blog.csdn.net/haoranhaoshi/article/details/86601584 Socket实战——聊天：https://blog.csdn.net/haoranhaoshi/article/details/86601771 Socket实战——文件上传：https://blog.csdn.net/haoranhaoshi/article/details/86601850

package ChatByUDP;

import javafx.application.Application;
import javafx.application.Platform;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.layout.Pane;
import javafx.stage.Stage;
import javafx.stage.WindowEvent;

import java.io.IOException;
import java.net.*;

public class AnotherChatParticipant extends Application {

    public static void main（String[] args） {
        launch（args）;
    }

    @Override
    public void start（Stage primaryStage） {
        TextField textField = new TextField（）;

        Button button = new Button（“发送“）;
        button.setTranslateX（140）;
        button.setOnAction（event -> {
            String content = textField.getText（）;
            if（content == null || content.equals（““））{
                Alert alert = new Alert（Alert.AlertType.WARNING “请输入发送内容“ ButtonType.OK）;
                alert.show（）;
                return;
            }

            byte[] message = content.getBytes（）;
            try {
                DatagramSocket datagramSocket = new DatagramSocket（）;
                // 数据包发往IP：127.0.0.1，端口：10002
                DatagramPacket datagramPacket = new DatagramPacket（message message.length InetAddress.getByName（“127.0.0.1“） 10002）;
                datagramSocket.send（datagramPacket）;
            } catch （UnknownHostException e） {
                e.printStackTrace（）;
            } catch （SocketException e） {
                e.printStackTrace（）;
            } catch （IOException e） {
                e.printStackTrace（）;
            }
        }）;

        Label label = new Label（）;
        label.setTranslateY（50）;
        new Thread（（） -> {
            try {
                // 创建IP：127.0.0.1，端口：10003的Socket监听
                DatagramSocket datagramSocket = new DatagramSocket（10003 InetAddress.getByName（“127.0.0.1“））;
                while （true） {
                    byte[] receivedData = new byte[1024];
                    DatagramPacket datagramPacket = new DatagramPacket（receivedData receivedData.length）;
                    datagramSocket.receive（datagramPacket）;
                    // 未收到则后续不执行
                    Platform.runLater（（） ->
                            label.setText（new String（datagramPacket.getData（） 0 datagramPacket.getLength（）））
                    ）;
                }
            } catch （UnknownHostException e） {
                e.printStackTrace（）;
            } catch （SocketException e） {
                e.printStackTrace（）;
            } catch （IOException e） {
                e.printStackTrace（）;
            }
        }）.start（）;

        primaryStage.settitle（“AnotherChatParticipant“）;
        Pane pane = new Pane（textField button label）;
        primaryStage.setScene（new Scene（pane 400 200））;
        primaryStage.setX（500）;
        primaryStage.setY（100）;
        primaryStage.show（）;

        primaryStage.addEventHandler（WindowEvent.WINDOW_CLOSE_REQUEST

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2019-01-20 18:17  SocketTest\
     目录           0  2019-01-22 21:42  SocketTest\.idea\
     目录           0  2019-01-21 10:22  SocketTest\.idea\libraries\
     文件         288  2019-01-21 10:22  SocketTest\.idea\libraries\lib.xml
     文件         276  2019-01-19 13:49  SocketTest\.idea\misc.xml
     文件         267  2019-01-19 13:49  SocketTest\.idea\modules.xml
     文件        8915  2019-01-19 14:02  SocketTest\.idea\uiDesigner.xml
     文件       35858  2019-01-22 21:42  SocketTest\.idea\workspace.xml
     文件         495  2019-01-20 18:17  SocketTest\SocketTest.iml
     目录           0  2019-01-21 10:21  SocketTest\lib\
     文件       94360  2018-02-04 21:02  SocketTest\lib\json.jar
     文件      540852  2016-05-07 09:18  SocketTest\lib\mysql-connector-java-5.0.8-bin.jar
     目录           0  2019-01-19 14:16  SocketTest\out\
     目录           0  2019-01-19 14:16  SocketTest\out\production\
     目录           0  2019-01-22 21:30  SocketTest\out\production\SocketTest\
     目录           0  2019-01-21 16:56  SocketTest\out\production\SocketTest\ChatByUDP\
     文件        5495  2019-01-21 16:56  SocketTest\out\production\SocketTest\ChatByUDP\AnotherChatParticipant.class
     文件        5458  2019-01-21 16:56  SocketTest\out\production\SocketTest\ChatByUDP\ChatParticipant.class
     目录           0  2019-01-22 21:31  SocketTest\out\production\SocketTest\FileUploadByTCP\
     文件        5556  2019-01-22 21:30  SocketTest\out\production\SocketTest\FileUploadByTCP\FileUploadClient.class
     文件        4794  2019-01-22 21:30  SocketTest\out\production\SocketTest\FileUploadByTCP\FileUploadServer.class
     文件           4  2019-01-21 16:56  SocketTest\out\production\SocketTest\FileUploadByTCP\test1.txt
     文件           4  2019-01-22 21:31  SocketTest\out\production\SocketTest\FileUploadByTCP\test2.txt
     目录           0  2019-01-22 21:30  SocketTest\out\production\SocketTest\TCP\
     文件        5207  2019-01-22 21:30  SocketTest\out\production\SocketTest\TCP\TCPClient.class
     文件        4698  2019-01-22 21:30  SocketTest\out\production\SocketTest\TCP\TCPServer.class
     目录           0  2019-01-22 21:19  SocketTest\out\production\SocketTest\TableListenerByUDP\
     文件        7546  2019-01-22 21:19  SocketTest\out\production\SocketTest\TableListenerByUDP\ListenTableClient.class
     文件        8241  2019-01-22 21:19  SocketTest\out\production\SocketTest\TableListenerByUDP\ListenTableServer.class
     目录           0  2019-01-21 14:37  SocketTest\out\production\SocketTest\TableSelectByTCP\
     文件        5841  2019-01-21 10:47  SocketTest\out\production\SocketTest\TableSelectByTCP\SelectTableClient.class
............此处省略25个文件信息