緊接着上一篇博客,我們這邊博客來看看tcp編程接收數據的幾種寫法。
1.InputStream寫法(上篇博客的寫法):
package com.zlyx.easy.server;
import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;
public class MainServer {
/**
* server port
*/
private static int port = 8080;
public static void main(String[] args) throws IOException {
ServerSocket ss = null;
try {
ss = new ServerSocket(port);
while (true) {
Socket socket = ss.accept();
while (true) {
byte[] bytes = new byte[1024];
InputStream in = socket.getInputStream();
while (in.read(bytes) != -1) {
System.out.println(new String(bytes));
}
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
ss.close();
}
}
}
2. InputStreamReader寫法
package com.zlyx.easy.server;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
public class MainServer {
/**
* server port
*/
private static int port = 8080;
public static void main(String[] args) throws IOException {
ServerSocket ss = null;
try {
ss = new ServerSocket(port);
while (true) {
Socket socket = ss.accept();
while (true) {
char[] chars = new char[1024];
InputStreamReader reader = new InputStreamReader(socket.getInputStream());
while (reader.read(chars) != -1) {
System.out.println(new String(chars));
}
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
ss.close();
}
}
}
3. BufferReader寫法
package com.zlyx.easy.server;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
public class MainServer {
/**
* server port
*/
private static int port = 8080;
public static void main(String[] args) throws IOException {
ServerSocket ss = null;
try {
ss = new ServerSocket(port);
while (true) {
Socket socket = ss.accept();
while (true) {
BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
while (true) {
String msg = reader.readLine();
if (msg != null) {
System.out.println(msg);
}
}
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
ss.close();
}
}
}
可以看到,三種寫法採用了不同的讀取流的方式,分別是InputStream 、 InputStreamReader 、 BufferedReader,它們的區別請參考博客InputStream 、 InputStreamReader 、 BufferedReader。