package com.cjm.test;
import java.io.BufferedInputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;
public class Client {
private Socket client;
private boolean connected;
public boolean isConnected() {
return connected;
}
public void setConnected(boolean connected) {
this.connected = connected;
}
public Client(String host, int port){
try {
//1、新建Socket对象
client = new Socket(host, port);
System.out.println("服务器连接成功！");
this.connected = true;
} catch (UnknownHostException e) {
this.connected = false;
close();
} catch (IOException e) {
System.out.println("服务器连接失败！");
this.connected = false;
close();
}
}
/**
* 发送字符串信息
*/
public void sendMessage(String message){
PrintWriter out = null;
try{
if(client == null) return;
//取得要发送到服务器的信息
out = new PrintWriter(client.getOutputStream());
out.print(message);
out.flush();
}catch(IOException ex){
ex.printStackTrace();
close();
}finally{
out.close();
}
}
/**
* 将文件内容发送出去
*
* @param filepath 文件的全路径名
*/
public void sendFile(String filepath){
DataOutputStream out = null;
DataInputStream reader = null;
try{
if(client == null) return;
File file = new File(filepath);
reader = new DataInputStream(new BufferedInputStream(new FileInputStream(file)));
//2、将文件内容写到Socket的输出流中
out = new DataOutputStream(client.getOutputStream());
out.writeUTF(file.getName()); //附带文件名
int bufferSize = 8192; //8K
byte[] buf = new byte[bufferSize];
int read = 0;
while((read=reader.read(buf)) != -1){
out.write(buf, 0, read);
}
out.flush();
}catch(IOException ex){
ex.printStackTrace();
close();
}finally{
try {
reader.close();
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 关闭Socket
*/
public void close(){
if(client != null){
try {
client.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
public static void main(String[] args) {
Client client = new Client("127.0.0.1", Server.port);
if(client.isConnected()){
client.sendFile("E:\\test.txt");
client.close();
}
}
}
socketTest.rar （23个子文件） 
socketTest bin com socketToClient 
ClientSocket.class 2KB ServerTest.class 2KB ClientTest.class 3KB huitong interaction User.class 822B cjm test SocketConnection.class 2KB Server.class 1KB Client.class 3KB clientToServer S2.class 768B S2$1.class 2KB Server$1.class 3KB Server.class 734B Client.class 3KB src com socketToClient ServerTest.java 2KB ClientSocke.java 2KB ClientTest.java 2KB huitong interaction User.java 382B cjm test Server.java 883B SocketConnection.java 2KB Client.java 3KB clientToServer Server.java 2KB Client.java 2KB .project 386B .classpath 232B
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