java操作dockerapi查看映射端口

可以使用Java的Docker API来查看Docker容器的映射端口。以下是一个简单的Java示例代码：

import com.github.dockerjava.api.DockerClient;
import com.github.dockerjava.api.command.InspectContainerResponse;
import com.github.dockerjava.api.model.Container;

import java.util.List;
import java.util.Map;

public class DockerPortMappingExample {

    public static void main(String[] args) {
        DockerClient dockerClient = DockerClientFactory.createDefault();

        List<Container> containers = dockerClient.listContainersCmd().exec();
        for (Container container : containers) {
            InspectContainerResponse inspectContainerResponse = dockerClient.inspectContainerCmd(container.getId()).exec();
            Map<String, List<Map<String, String>>> portBindings = inspectContainerResponse.getHostConfig().getPortBindings();
            if (portBindings != null) {
                for (Map.Entry<String, List<Map<String, String>>> entry : portBindings.entrySet()) {
                    String containerPort = entry.getKey();
                    List<Map<String, String>> hostPorts = entry.getValue();
                    for (Map<String, String> hostPort : hostPorts) {
                        String hostIp = hostPort.get("HostIp");
                        String hostPortNumber = hostPort.get("HostPort");
                        System.out.println("Container " + container.getId() + " port " + containerPort + " is mapped to " + hostIp + ":" + hostPortNumber);
                    }
                }
            }
        }

        dockerClient.close();
    }
}

该代码遍历所有Docker容器，并使用`inspectContainerCmd`方法检查每个容器的详细信息。然后，它获取容器的端口映射绑定，遍历它们并打印出每个容器端口映射到的主机IP和端口号。

请注意，要运行此代码，您需要添加以下依赖项到您的Maven项目：

<dependency>
    <groupId>com.github.docker-java</groupId>
    <artifactId>docker-java-core</artifactId>
    <version>3.2.5</version>
</dependency>
<dependency>
    <groupId>com.github.docker-java</groupId>
    <artifactId>docker-java-api</artifactId>
    <version>3.2.5</version>
</dependency>