JAVA信息传送代码之下载图片

embedded/2024/9/24 6:29:40/

JAVA信息传送代码之下载图片

java">package xin.week1.day3;
import org.junit.Test;import java.io.*;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.UnknownHostException;/*首先开启客户端服务
* 客户端下载服务端侧的图片*/public class tcpxiazai {@Testpublic void server() {ServerSocket ss = null;Socket socket = null;FileInputStream fis = null;OutputStream os = null;try {ss = new ServerSocket(9090);    //定义端口socket = ss.accept();fis = new FileInputStream(new File("Java.jpg"));    //客户端图片os = socket.getOutputStream();byte[] b = new byte[1024];int len;while ((len = fis.read(b)) != -1) {os.write(b, 0, len);}socket.shutdownOutput();} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();} finally {if (os != null) {try {os.close();} catch (IOException e) {
// TODO Auto-generated catch blocke.printStackTrace();}}if (fis != null) {try {fis.close();} catch (IOException e) {
// TODO Auto-generated catch blocke.printStackTrace();}}if (socket != null) {try {socket.close();} catch (IOException e) {
// TODO Auto-generated catch blocke.printStackTrace();}}if (ss != null) {try {ss.close();} catch (IOException e) {
// TODO Auto-generated catch blocke.printStackTrace();}}}}//客户端@Testpublic void client() {Socket socket1 = null;FileOutputStream fos = null;InputStream is = null;try {//匹配服务端IP+端口socket1 = new Socket(InetAddress.getByName("127.0.0.1"), 9090);//图片下载位置fos = new FileOutputStream(new File("E:\\lj\\Java.jpg"));is = socket1.getInputStream();byte[] b = new byte[1024];int len;while ((len = is.read(b)) != -1) {fos.write(b, 0, len);}System.out.println("下载成功");} catch (UnknownHostException e) {e.printStackTrace();} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();} finally {if (fos != null) {try {fos.close();} catch (IOException e) {
// TODO Auto-generated catch blocke.printStackTrace();}}if (fos != null) {try {is.close();} catch (IOException e) {
// TODO Auto-generated catch blocke.printStackTrace();}}if (fos != null) {try {socket1.close();} catch (IOException e) {
// TODO Auto-generated catch blocke.printStackTrace();}}}}
}