public class TCPTest3 {
/*
這裏涉及到的異常,應該使用try-catch-finally處理
*/
@Test
public void client() throws IOException {
//1.創建Socket對象,指明服務器端的ip和端口號
Socket socket = new Socket(InetAddress.getByName("127.0.0.1"),9090);
//2.獲取一個輸出流,用於輸出數據
OutputStream os = socket.getOutputStream();
//3.造讀取文件的輸入流
//可以是一句話 客戶端發送信息一句話給服務端,服務端將數據顯示在控制檯上
// os.write("你好,我是客戶端mm".getBytes());
FileInputStream fis = new FileInputStream(new File("beauty.jpg"));
//4.數據的輸出過程
byte[] buffer = new byte[1024];
int len;
while((len = fis.read(buffer)) != -1){
os.write(buffer,0,len);
}
//關閉數據的輸出
socket.shutdownOutput();
//5.接收來自於服務器端的數據,並顯示到控制檯上
InputStream is = socket.getInputStream();
//不建議這樣讀取,可能會有亂碼
// byte[] buffer = new byte[1024];
// int len;
// while((len = is.read(buffer)) != -1){
// String str = new String(buffer,0,len);
// System.out.print(str);
// }
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] bufferr = new byte[20];
int len1;
while((len1 = is.read(buffer)) != -1){
baos.write(bufferr,0,len1);
}
System.out.println(baos.toString());
//6.
fis.close();
os.close();
socket.close();
baos.close();
}
/*
這裏涉及到的異常,應該使用try-catch-finally處理
*/
@Test
public void server() throws IOException {
//1.創建服務器端的ServerSocket,指明自己的端口號
ServerSocket ss = new ServerSocket(9090);
//2.調用accept()表示接收來自於客戶端的socket
Socket socket = ss.accept();
//3.獲取輸入流
InputStream is = socket.getInputStream();
//4.讀取並保存輸入流中的數據
FileOutputStream fos = new FileOutputStream(new File("beauty2.jpg"));
//5.
byte[] buffer = new byte[1024];
int len;
while((len = is.read(buffer)) != -1){
fos.write(buffer,0,len);
}
System.out.println("圖片傳輸完成");
//6.服務器端給予客戶端反饋
OutputStream os = socket.getOutputStream();
os.write("你好,照片我已收到,非常美!".getBytes());
//7.
fos.close();
is.close();
socket.close();
ss.close();
os.close();
}
}