public static final long ACK_CONNECT_OK = 0x0;
public static final long ACK_STOP_MCU = 0x10;
public static final long ACK_REV_FILEINFO = 0x100;
public static final long ACK_REV_FILE = 0x1000;
public static final long ACK_REV_UPGRADE_OK = 0x10000;
public static final long ACK_REV_MCU_OK = 0x100000;
public static final long ACK_REV_MCU_ERROR = 0x100001;
客户端 想建立一个 TCP 连接 向另一台电脑 IP 192.168.1.1 端口 8888 依次发送 以上 long 数据
并也接收服务端发来 long 的数据提示小弟刚学Java
不知道怎么建立这个连接
怎么向另一台电脑发送数据包
前来csdn赐教
希望大哥大姐能给些代码 提示
感激不尽
分不多
我明天还会加分
明天结贴 ..谢谢了
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.net.ServerSocket;
import java.net.Socket;public class SocketServer {
ServerSocket ss = null; Socket s = null; DataInputStream inStream = null; DataOutputStream outStream = null; public SocketServer() {
try {
init();
} catch (Exception e) {
System.out.println(e.toString());
}
} void init() throws Exception {
ss = new ServerSocket(765);
s.setSoTimeout(3000);
} void waitForClient() {
try {
s = ss.accept();
inStream = new DataInputStream(s.getInputStream());
outStream = new DataOutputStream(s.getOutputStream());
outStream.writeUTF("1");
s.setSoTimeout(3000);
waitData();
} catch (Exception e) {
System.out.println(e.toString());
}
} void waitData() {
while (true) {
try {
String str = inStream.readUTF();
System.out.println("Server accept: " + str);
int nu = Integer.parseInt(str) + 1;
if (nu > 20) {
System.out.println("Send end!");
break;
} else {
str = Integer.toString(nu);
outStream.writeUTF(str);
}
} catch (Exception e) {
System.out.println(e.toString());
break;
}
}
} public static void main(String[] args) {
SocketServer socketServer1 = new SocketServer();
socketServer1.waitForClient();
}
}客户端:
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.net.Socket;public class SocketClient {
Socket s = null; DataInputStream inStream = null; DataOutputStream outStream = null; public SocketClient() {
try {
init();
waitData();
} catch (Exception e) {
System.out.println(e.toString());
}
} void init() throws Exception {
s = new Socket("192.168.0.32", 765); // 把这里的IP改成你运行SocketServer.class的IP
inStream = new DataInputStream(s.getInputStream());
outStream = new DataOutputStream(s.getOutputStream());
s.setSoTimeout(3000);
} void waitData() {
while (true) {
try {
String str = inStream.readUTF();
System.out.println("Client accept: " + str);
str = Integer.toString(Integer.parseInt(str) + 1);
outStream.writeUTF(str);
} catch (Exception e) {
System.out.println(e.toString());
break;
}
}
} public static void main(String[] args) {
SocketClient socketClient1 = new SocketClient();
}
}
手里有个例子,参照这个改一下吧~~
try {
s = ss.accept();
//sccept会阻塞,一直到有客户端连到此服务器端
客户端创建socket连接服务器,并通过流来发送数据,服务器端发现有客户端连接后就可以获取客户端传递的数据
然后用DataInputStream的readLong 方法来接收
DataOutputStream 的writeLong方法去发送