help.java

采用面向对象方法和Java语言开发一个基于命令行交互方式的议程管理系统（agenda）.已注册到系统的用户（user）可添加（add）,删除（delete）,查询（query）系统中记录的会议（mee

package agenda;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;

import agenda.Quit;
import agenda.Register;
import agenda.Clear;
import agenda.Delete;
import agenda.Add;
import agenda.Query;
import agenda.Command;
public class Help {
	private PrintWriter Cout = null;
	 public Help(){
	    	Cout = new PrintWriter(System.out);
	    }
	public void doHelp(){
		Cout.println("正确的输入格式为:");
		Cout.println();
                Cout.flush();
                helptime();
                helpregister();
                helpadd();
                helpquery();
                helpdelete();
                helpclear();
                helphelp();
                helpquit();
        }
        public void helptime(){
    	Cout.println("时间输入格式为年月日时分:");
    	Cout.println("如200904050910");
    	Cout.println();
        Cout.flush();
        }
        public void helpregister(){
    	Cout.println("register <username> <password>");
    	Cout.println("注册用户");
    	Cout.println("例如: register wang 5201314");
    	Cout.println();
        Cout.flush();
        }
        public void helpadd(){
    	Cout.println("add <username> <password> <other> <start> <end> <title>");
    	Cout.println("添加议程");
    	Cout.println("例如:add wang 5201314 zeng 200904081015  200904241330 meeting_1");
    	Cout.println();
        Cout.flush();
        }
        public void helpquery(){
    	Cout.println("query <username> <password> <start> <end>");
    	Cout.println("查询议程");
    	Cout.println("例如:query wang 5201314 200904081015  200904241330");
    	Cout.println();
        Cout.flush();
        }
        public void helpdelete(){
    	Cout.println("delete <username> <password> <meetingid> ");
    	Cout.println("删除指定议程");
    	Cout.println("例如:delete wang 5201314 meeting_1");
    	Cout.println();
        Cout.flush();
        }
        public void helpclear(){
    	Cout.println("clear <username> <password>");
        Cout.println("清除指定用户所有议程");
    	Cout.println("例如:clear wang 5201314");
    	Cout.println();
        Cout.flush();
        }
        public void helpbatch(){
    	Cout.println("batch <filename>");
    	Cout.println("批处理命令");
    	Cout.println("例如:batch in.txt");
    	Cout.println();
        Cout.flush();
        }
        public void helphelp(){
    	Cout.println("help: 查看帮助信息");
    	Cout.println();
        Cout.flush();
        }
        public void helpquit(){
    	Cout.println("quit: 退出系统");
        Cout.flush();
	}

}