/**
?*?
?*?程序名稱：基于UDP的航班顯示系統的設計與實現（客戶端）
?*?功??????能：向服務器發送請求，并接收從服務器發來的數據
?*?作??????者：MEICUOERSHIWO
?*?完成日期：2016年12月18號
?*?版本號：x1.0
?*?
?*/
package?my.exp5;

import?java.io.IOException;
import?java.net.DatagramPacket;
import?java.net.DatagramSocket;
import?java.net.InetAddress;
import?java.net.SocketException;
import?java.net.UnknownHostException;

public?class?FlightClient?{
	private?String?remoteHost?=?“localhost“;?//?遠程主機
	private?int?remotePort?=?9999;?//?遠程端口
	private?DatagramSocket?clientDatagramSocket;?//?用于與服務器通信
	private?DatagramPacket?recieveDatagramPacket;?//?用于接收服務器發來的數據
	
	/*主函數*/
	public?static?void?main（String[]?args）?{
		new?FlightClient（）.talk（）;
	}
	
	/*構造函數*/
	public?FlightClient（）?{
		try?{
			clientDatagramSocket?=?new?DatagramSocket（）;
			clientDatagramSocket.setReceiveBufferSize（16777216）;
			recieveDatagramPacket?=?new?DatagramPacket（new?byte[512]?512）;
		}?catch?（SocketException?e）?{
			e.printStackTrace（）;
		}
	}
	
	/*與服務器進行通信*/
	private?void?talk（）?{
		request（）;?//?向服務器發送請求
		String?string?=?null;
		int?countLineNum?=?0;
		while（!（string?=?recieve（））.equals（“no?data!“））?{?//?接收服務器發來的數據
			System.out.println（string）;
			countLineNum++;
		}
		System.out.println（“服務器總共發來“?+?countLineNum?+?“行數據“）;
		clientDatagramSocket.close（）;
	}
	
	/*向服務器發送請求*/
	private?void?request（）?{
		byte[]?req?=?“ready“.getBytes（）;
		try?{
			DatagramPacket?requestPacket?=?new?DatagramPacket（reqreq.lengthInetAddress.getByName（remoteHost）remotePort）;
			clientDatagramSocket.send（requestPacket）;
		}?catch?（UnknownHostException?e）?{
			e.printStackTrace（）;
		}?catch?（IOException?e）?{
			e.printStackTrace（）;
		}
	}
	
	/*接收服務器發來的數據*/
	private?String?recieve（）?{
		try?{
			clientDatagramSocket.receive（recieveDatagramPacket）;?//?接收數據包的數據，放到clientPacket中
		}?catch?（IOException?e）?{
			e.printStackTrace（）;
		}
		String?rString?=?new?String（recieveDatagramPacket.getData（）?0?recieveDatagramPacket.getLength（））;?//?將包中數據轉換為字符串
		return?rString;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????301??2016-12-14?08:47??Experiment5\.classpath

?????文件????????387??2016-12-14?08:47??Experiment5\.project

?????文件????????598??2016-12-14?08:47??Experiment5\.settings\org.eclipse.jdt.core.prefs

?????文件???????2688??2016-12-24?20:38??Experiment5\bin\my\booktest\Client.class

?????文件???????1931??2016-12-24?20:38??Experiment5\bin\my\booktest\Server.class

?????文件???????2618??2016-12-24?20:38??Experiment5\bin\my\exp5\FlightClient.class

?????文件????????576??2016-12-24?20:38??Experiment5\bin\my\exp5\FlightServer$1.class

?????文件???????1248??2016-12-24?20:38??Experiment5\bin\my\exp5\FlightServer$2.class

?????文件???????3322??2016-12-24?20:38??Experiment5\bin\my\exp5\FlightServer.class

?????文件???????2262??2016-12-24?20:38??Experiment5\bin\my\exp5\ServiceRunnable.class

?????文件????1526602??2016-12-15?18:12??Experiment5\fds_data（lab4，5）.txt

?????文件???????2247??2017-01-09?18:43??Experiment5\src\my\exp5\FlightClient.java

?????文件???????3361??2017-01-09?18:43??Experiment5\src\my\exp5\FlightServer.java

?????文件???????1369??2016-12-22?21:45??Experiment5\src\my\exp5\ServiceRunnable.java

?????目錄??????????0??2016-12-27?21:41??Experiment5\bin\my\booktest

?????目錄??????????0??2016-12-27?21:41??Experiment5\bin\my\exp5

?????目錄??????????0??2016-12-27?21:41??Experiment5\src\my\exp5

?????目錄??????????0??2016-12-27?21:41??Experiment5\bin\my

?????目錄??????????0??2016-12-27?21:41??Experiment5\src\my

?????目錄??????????0??2016-12-27?21:41??Experiment5\.settings

?????目錄??????????0??2016-12-27?21:41??Experiment5\bin

?????目錄??????????0??2016-12-27?21:41??Experiment5\src

?????目錄??????????0??2016-12-27?21:41??Experiment5

-----------?---------??----------?-----??----

??????????????1549510????????????????????23