ECHO TCP Server Client

港控/mmm° 2022-08-26 01:21 175阅读 0赞

//server
    package com.test.javaSe02;
    
    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.io.PrintStream;
    import java.net.ServerSocket;
    import java.net.Socket;
    import com.ctl.util.PropertiesUtil;
    
    public class ECHOServer {
    	public static void main(String[] args) {
    		ServerSocket server = null;
    		int port = Integer.parseInt(PropertiesUtil.loadProperties(
    				"E:\\JavaWeb\\A\\src\\com\\test\\javaSe02\\tcp.properties")
    				.getProperty("port"));
    		try {
    			server = new ServerSocket(port);
    		} catch (IOException e) {
    			e.printStackTrace();
    		}
    
    		PrintStream out = null;
    		BufferedReader br = null;
    		while (true) {
    			Socket client = null;
    			try {
    				client = server.accept();
    				br = new BufferedReader(new InputStreamReader(
    						client.getInputStream()));
    				out = new PrintStream(client.getOutputStream());
    				boolean flag = true;
    				while (flag) {
    					String str = br.readLine();
    					if (str.equals("") || null == str)
    						flag = false;
    					else {
    						if ("bye".equals(str.toLowerCase()))
    							flag = false;
    						else
    							out.println("server echo:" + str);
    					}
    				}
    			} catch (IOException e) {
    				e.printStackTrace();
    			}
    
    		}
    	}
    }
    //client
    package com.test.javaSe02;
    
    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.io.PrintStream;
    import java.net.Socket;
    import java.net.UnknownHostException;
    import java.util.Properties;
    
    import com.ctl.util.PropertiesUtil;
    
    public class ECHOClient {
    	public static void main(String[] args) {
    		Properties pro = PropertiesUtil
    				.loadProperties("E:\\JavaWeb\\A\\src\\com\\test\\javaSe02\\tcp.properties");
    		Socket client = null;
    		try {
    			client = new Socket(pro.getProperty("ip"), Integer.parseInt(pro
    					.getProperty("port")));
    		} catch (IOException e) {
    			e.printStackTrace();
    		}
    
    		try {
    			PrintStream out = null;
    			boolean flag = true;
    			while (flag) {
    				out = new PrintStream(client.getOutputStream());
    				String str = javax.swing.JOptionPane.showInputDialog("message");
    				//System.out.println(str);
    				out.println(str);
    				if (str.equalsIgnoreCase("bye"))
    					flag = false;
    				else {
    					System.out.println(new BufferedReader(
    							new InputStreamReader(client.getInputStream())).readLine());
    				}
    			}
    			client.close();
    		} catch (IOException e) {
    			e.printStackTrace();
    		}
    	}
    }
    //PropertiesUtil
    package com.ctl.util;
    
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.FileNotFoundException;
    import java.io.FileOutputStream;
    import java.io.IOException;
    import java.util.HashMap;
    import java.util.Map;
    import java.util.Properties;
    
    /**
     * @deprecated 该类可以用来创建properties资源文件
     * @author Administrator
     * @see  www.ctl.com.cn
     * @category SDGHDHSDFG
     * @serial  dfgds
     */
    public class PropertiesUtil {
    	/**
    	 * 
    	 * @param propertityPath
    	 *            资源文件要存放的路径例如H:/mysql.properties
    	 * @param map
    	 *            将要写入的资源放入该map中 HashMap<String, String>
    	 * @param comment
    	 *            对在资源文件的描述
    	 */
    	public static void createPropertityFile(String propertityPath, String comment, Map<String, String> map) {
    		File file = new File(propertityPath);
    		new File(file.getParent()).mkdirs();
    		Properties pro = new Properties();
    		for (Map.Entry<String, String> entry : map.entrySet()) {
    			pro.setProperty(entry.getKey(), entry.getValue());
    		}
    		try {
    			pro.store(new FileOutputStream(propertityPath), comment);
    		} catch (Exception e) {
    			System.err.println("存储properties出错");
    		}
    	}
    	/**
    	 * @param map
    	 *            将要写入的资源放入该map中 HashMap<String, String>
    	 * @param comment
    	 *            对在资源文件的描述
    
    	 * @param propertityPath
    	 *            资源文件要存放的路径例如H:/mysql.xml  
      	 */
    	public static void createPropertityXMLFile(String propertityPath, String comment, Map<String, String> map) {
    		File file = new File(propertityPath);
    		new File(file.getParent()).mkdirs();
    		Properties pro = new Properties();
    		for (Map.Entry<String, String> entry : map.entrySet()) {
    			pro.setProperty(entry.getKey(), entry.getValue());
    		}
    		try {
    			pro.storeToXML(new FileOutputStream(propertityPath), comment,"utf-8");
    		} catch (Exception e) {
    			System.err.println("存储properties出错");
    		}
    	}
    	/**
    	 * 
    	 * @param filePath "H:/mysql.properties"
    	 * @return  Properties的实例对象
    	 */
    	public static Properties loadProperties(String filePath){
    		Properties pro=new Properties();
    		try {
    			pro.load(new FileInputStream(new File(filePath)));
    		} catch (FileNotFoundException e) {
    			System.err.println("文件未找到");
    			e.printStackTrace();
    		} catch (IOException e) {
    			e.printStackTrace();
    		}
    		return pro;
    	}/**
    	 * 
    	 * @param filePath "H:/mysql.xml"
    	 * @return  Properties的实例对象
    	 */
    	public static Properties loadXMLProperties(String filePath){
    		Properties pro=new Properties();
    		try {
    			pro.loadFromXML(new FileInputStream(new File(filePath)));
    		} catch (FileNotFoundException e) {
    			System.err.println("文件未找到");
    			e.printStackTrace();
    		} catch (IOException e) {
    			e.printStackTrace();
    		}
    		return pro;
    	}
    	/**
    	 * @param args
    	 */
    	public static void main(String[] args) {
    		Map<String, String> map = new HashMap<String, String>();
    		map.put("a", "value1");
    		map.put("b", "value2");
    		map.put("c", "value3");
    		String path="H:" + File.separator + "a//a/"+File.separator;
    		createPropertityFile(path+"mysql.properties", "mysql数据库资源配置",
    				map);
    		createPropertityXMLFile(path+"mysql.xml", "mysql数据库资源配置",
    				map);
    		Properties pro=loadProperties(path+"mysql.properties");
    		System.out.println(pro);
    		pro=loadXMLProperties(path+"mysql.xml");
    		System.out.println(pro);
    		
    	}
    }