TCP通信工具

TCP通信工具

package com.dobot.androidtools.Tools;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.net.URLDecoder;

public class TCPTool {
    public static TCPTool tcpTool;

    /**
     * 获取CrashHandler实例 ,单例模式
     */
    public static TCPTool getInstance() {
        if (tcpTool == null)
            tcpTool = new TCPTool();
        return tcpTool;
    }

    /**
     * 以下是TCP协议的通讯请求
     *
     * @param HOST
     * @param PORT
     * @param CONTENT
     */
    public void TCPSend(String HOST, int PORT, String CONTENT) {
        Socket socket = null;
        try {
            socket = new Socket(HOST, PORT);
            try {
                //对服务端发起连接请求

                //给服务端发送响应信息
                String strUTF8 = URLDecoder.decode(CONTENT, "UTF-8");
                String result = new String(strUTF8.getBytes("UTF-8"), "UTF-8");


                // 读取服务器端传过来信息的DataInputStream
                DataInputStream in = new DataInputStream(socket.getInputStream());
                // 向服务器端发送信息的DataOutputStream
                DataOutputStream out = new DataOutputStream(socket.getOutputStream());


                String sendString = result;
                //将客户端的信息传递给服务器
                out.writeUTF(sendString);
                L.c("ip:" + HOST + "--端口:" + PORT + "--发送的字符串:" + result);


                // 读取来自服务器的信息
                String accpet = in.readUTF();
                L.c("收到的数据是：" + accpet);


            } finally {
                socket.close();//关闭Socket监听
            }

        } catch (IOException e1) {
            e1.printStackTrace();
        }
    }
}