netbeans swingworker 网络端口扫描
时间: 2023-07-05 16:09:05 浏览: 52
可以使用SwingWorker来实现网络端口扫描。以下是一个简单的示例:
```java
import java.util.List;
import javax.swing.SwingWorker;
public class PortScanner extends SwingWorker<Void, Integer> {
private String ipAddress;
private int startPort;
private int endPort;
public PortScanner(String ipAddress, int startPort, int endPort) {
this.ipAddress = ipAddress;
this.startPort = startPort;
this.endPort = endPort;
}
@Override
protected Void doInBackground() throws Exception {
for (int port = startPort; port <= endPort; port++) {
try {
Socket socket = new Socket();
socket.connect(new InetSocketAddress(ipAddress, port), 1000);
socket.close();
publish(port); // 发布进度更新
} catch (IOException ex) {
// 端口未开放
}
}
return null;
}
@Override
protected void process(List<Integer> chunks) {
for (int port : chunks) {
// 在界面上显示扫描到的端口
System.out.println("Port " + port + " is open");
}
}
}
```
在使用时,可以将PortScanner对象传递给SwingWorker的execute()方法来启动扫描:
```java
PortScanner scanner = new PortScanner("127.0.0.1", 1, 65535);
scanner.execute();
```
需要注意的是,在SwingWorker中更新UI界面的方法必须在process()方法中执行,而不是在doInBackground()方法中执行。在process()方法中,传入的参数是一个List对象,其中包含了所有已经扫描到的端口。