源代码.java

利用JAVA语言实现对NBA信息的管理系统。里面有完整的英文说明功能及文档。

//Sports Result DataBase -- NBA
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.text.*;
import javax.swing.*;
import java.util.*;
import javax.swing.event.*;
import javax.swing.border.*;
import javax.swing.JOptionPane;

class TeamDetails
{
	private String name;
	private String location;	
	private String photoId;
	private int scores;
	private int rank;
	
    // Constructor 
	public TeamDetails()
	{
		name = "";
		location = "";
		scores = 0;
		rank = 0;
		photoId = "";
	} // end of TemDetails
	
	// Constructor whit arguments
	public TeamDetails(String teamName, String teamLocation, String photo, int teamScore, int teamRank)
	{
		name = teamName;
		location = teamLocation;
		scores = teamScore;
		rank = teamRank;
		photoId = photo;		
	}	// end of TeamDetails
	
	public String getName()
	{
		return name;
	} // end  method getName
	
	public String getPhotoId()
	{
		return photoId;
	}  // end method getPhotoId
	
	public String getLocation()  // get the team's location	
	{
		return location;
	}  // end method getLocation
	
	public int getScore()		// get the team's score
	{
		return scores;
	}  // end method getScores
	
	public int getRank()		// get the team's rank
	{
		return rank;
	}  // end method GetRank
	
	// Set the team's information
	public void set(String n, String l,String photo, int s,int r)
	{
		name = n;
		location = l;
		scores = s;
		rank = r;
		photoId = photo;
	}  // end method Set
	
	public void addScore(int add)
	{
		scores = scores + add;	
	}  // end method addScore
	
	public void setRank(int r)
	{
		rank = r;
	}  // end method SetRank	
}  // end class TeamDetails

class GameResult
{
	// Strings to store the teamA's name and teamB's name
	private String teamNameA, teamNameB;	
	
	// to store the teams' score
	private int scoreA, scoreB;
	
	// to store the time that the game was hold
	private int year, month, date;
	
	// Consturctor to the class
	public GameResult()
	{
		teamNameA = teamNameB = "";
		scoreA = scoreB = 0;
		year = month = date = 0;		
	} // end Constructor
	
	// set the game's details
	public void setResult(String ta, String tb, int sa, int sb, int y,int m,int d)
	{
		teamNameA = ta;
		teamNameB = tb;
		scoreA = sa;
		scoreB = sb;
		year = y;
		month = m;
		date = d;
	} // end method SetRusult
		
	public int getYear()
	{
		return year;
	}
	public int getMonth()
	{
		return month;
	}
	public int getDate()
	{
		return date;
	}
	public int getScoreA()
	{
		return scoreA;
	}
	public int getScoreB()
	{
		return scoreB;
	}
	public String getTeamA()
	{
		return teamNameA;
	}
	public String getTeamB()
	{
		return teamNameB;
	}
	
} // endl class GameResult


class DataBase
{
	// Array of Object 
	private TeamDetails[] teams;		
	private GameResult[] result;
	public GameResult temp;
	
	// two variables to save how many teams and how many results
	private int teamsNumber;
	private int resultNumber;
	
	// Constructor to the Class
	public DataBase()
	{
		teamsNumber = resultNumber = 0;
		teams = new TeamDetails[100];
		temp = new GameResult();
		for(int i = 0; i < 100; i++)
		{
			teams[i]= new TeamDetails();
		}
		result = new GameResult[500000];
		for(int i = 0; i < 500000; i++)
		{
			result[i] = new GameResult();
		}
	}
	
	// to add a new data to the database
	public void addNewGameResult(GameResult temp)
	{
		int index = resultNumber;
		resultNumber++;
		result[index] = temp;
		String nameA = temp.getTeamA();
		String nameB = temp.getTeamB();
		int scoreA, scoreB;
		scoreA = temp.getScoreA();
		scoreB = temp.getScoreB();
		if(scoreA > scoreB) 
		{
			scoreA = 1;
			scoreB = 0;
		}
		else 
		{
			scoreA = 0;
			scoreB = 1;
		}
		for(int i = 0; i < teams.length; i++)
		{
			if(nameA.equals(teams[i].getName()))
			{
				teams[i].addScore(scoreA);
			}
			if(nameB.equals(teams[i].getName()))
			{
				teams[i].addScore(scoreB);
			}
		}
		update();
	}  // end the method AddNewGameResult
	
	// Update the information of the database
	public void update()
	{
		for(int i = 1; i <= teamsNumber - 1; i++)
		{
			for(int j = 0; j < teamsNumber - i;j++)
			{
				TeamDetails tmp = new TeamDetails();
				if(teams[j+1].getScore() > teams[j].getScore())
				{
					tmp = teams[j+1];
					teams[j+1] = teams[j];
					teams[j] = tmp;
				}
			}
		}
		for(int k = 0; k < teams.length; k++)
		{
			teams[k].setRank(k+1);
		}
	} // end method Update
	
	//  method to query the database ( Using Searching Algorithm)
	public String queryResult(int year, int mon, int date)
	{
		String str;
		str = String.valueOf(year) + "-" + String.valueOf(mon) + "-" + String.valueOf(date) + "\n";
		for(int i = 0; i < resultNumber; i++)
		{
			if(result[i].getYear() == year && result[i].getMonth() == mon && result[i].getDate() == date)
			{
				str = str + "teams: " + result[i].getTeamA() + "  vs  " + result[i].getTeamB() + "   " +  "\n" +
					"score:   " + String.valueOf(result[i].getScoreA()) + "  vs  " + String.valueOf(result[i].getScoreB()) + "\n" + "\n";
			}
			
		}
		return str;	
	}  // end method QueryResult
	
	// anothoer mothod to query the database ( Also Using the Searching Algorithm)
	public String queryTeamsDetails(String name)
	{
		for(int i = 0; i < teamsNumber; i++)
		{
			if(name.equals(teams[i].getName()))
			{
				String str = name + "'s Information:\n" + "Team name:" + name + "\n" +
							"Location:" + teams[i].getLocation() + "\n" + "Score:" + String.valueOf(teams[i].getScore()) + "\n" + 
							"Rank:" + String.valueOf(teams[i].getRank()) + "\n";
				return str;
			}
		}
		return "";
	} // end method QueryTeamsDetails
	
	// initialize the database
	public void initialize() 
	{
		try
		{
			File teamsDetailsFile = new File( "teamsDetails.txt");
			FileReader currentFile = new FileReader(teamsDetailsFile);
			BufferedReader input = new BufferedReader(currentFile);
			String contents1 = input.readLine();
			String contents2,contents3,contents4;
			int i  = 0;
			while(contents1 != null)
			{
				contents2 = input.readLine();
				contents4 = input.readLine();
				TeamDetails tmp = new TeamDetails();
				teams[i].set(contents1,contents2,contents4,0,0);	
				contents1 = input.readLine();					
				i++;
			}
			teamsNumber = i;
			input.close();
		}
		catch(IOException exception)
		{
			JOptionPane.showMessageDialog(null,"Please make sure the file name is correct");
		}	
	}  // end method initialize
	
	// mothod to read from file
	public void readFromFile()
	{
		try
		{
			File resultFile = new File( "sportsResult.txt");
			FileReader currentFile = new FileReader(resultFile);
			BufferedReader input = new BufferedReader(currentFile);
			
			String nameA, nameB, scoreA, scoreB, year, month, date;
			nameA = input.readLine();
			while(nameA != null)
			{
				GameResult tmp = new GameResult();
				nameB = input.readLine();
				scoreA = input.readLine();
				scoreB = input.readLine();
				year = input.readLine();
				month = input.readLine();
				date = input.readLine();
				tmp.setResult(nameA, nameB, Integer.parseInt(scoreA),Integer.parseInt(scoreB),Integer.parseInt(year),Integer.parseInt(month),Integer.parseInt(date));
				addNewGameResult(tmp);
				nameA = input.readLine();
			}
			input.close();
			}
		catch(IOException exception)
			{
				JOptionPane.showMessageDialog(null,"Please make sure the file name is correct");
			}
			update();					
	} // end method readFromFile
	
	// mothod to write data to file
	public void writeToFile()
	{
		try
		{
			File currentFile = new File("SportsResult.txt");
			FileWriter currentWriter = new FileWriter(currentFile);
			PrintWriter output = new PrintWriter(currentFile);
			
			int i;
			String content;
			for(i = 0; i < resultNumber; i++)
			{
				content = result[i].getTeamA() + "\n" + result[i].getTeamB() + "\n" +
							String.valueOf(result[i].getScoreA()) + "\n" +
							String.valueOf(result[i].getScoreB()) + "\n" +
							String.valueOf(result[i].getYear()) + "\n" +
							String.valueOf(result[i].getMonth()) + "\n" +
							String.valueOf(result[i].getDate()) + "\n";
							output.print(content);
			}
			output.close();
		}
	    catch(IOException exception)
		{
				JOptionPane.showMessageDialog(null,"Please make sure the file name is correct");
		}
	}  // end method writetoFile
	
	public int getTeamsNumber()
	{
		return teamsNumber;
	}
	public int getResutlNumber()
	{
		return resultNumber;
	}	
	public TeamDetails getTeam(int i)
	{
		return teams[i];
	}
	public GameResult getGameResult(int i)
	{
		return result[i];
	}
}  // end class DataBase

public class SportsResultDataBase extends JFrame
{      
   private DataBase database;
   // JPanel
   private JPanel windowJPanel1;
   private JPanel queryResultJPanel;
   private JPanel windowJPanel2;
   private JPanel addResultJPanel;
   
   //JButton 
   private JButton readFromFileJButton;
   private JButton rankListJButton;
   private JButton enterTeamJButton;
   private JButton enterGameJButton;
   private JButton saveToFileJButton;
   private JButton quitJButton;
   private JButton enterQueryJButton;
   
   
   // JTextArea and JScrollPane to display information
   private JTextArea descriptionJTextArea;
   private JScrollPane descriptionJScrollPane;
   private JTextArea addDescriptionJTextArea;
   private JScrollPane addDescriptionJScrollPane;
   
   //JLabel
   private JLabel selectJLabel;
   private JLabel logoJLabel;
   private JLabel descriptionJLabel;
   private JLabel queryResultJLabel;
   private JLabel addResultJLabel;   
   private JLabel timeJLabel;
   private JLabel yearJLabel;
   private JLabel monthJLabel;
   private JLabel dateJLabel;
   private JLabel vsJLabel;
   private JLabel vssJLabel;
   private JLabel scoreJLabel;
   private JLabel adddateJLabel;
   private JLabel addTimeJLabel;
   private JLabel addYearJLabel;
   private JLabel addMonthJLabel;
   private JLabel addDateJLabel;
   
   
   //JcombBox
   private JComboBox selectJComboBox;
   private JComboBox teamAJComboBox;
   private JComboBox teamBJComboBox;
   
   // JSpinner
   private JSpinner yearJSpinner;
   private JSpinner monthJSpinner;
   private JSpinner dateJSpinner;
   
   private JSpinner addYearJSpinner;
   private JSpinner addMonthJSpinner;
   private JSpinner addDateJSpinner;
   
   //JTextField to ...
   private JTextField scoreAJTextField;
   private JTextField scoreBJTextField;
   
   private String str1;
   private String str2;
   
   

   // no-argument constructor
   public SportsResultDataBase() 
   {
   	  database = new DataBase();
   	  database.initialize();   	  
      createUserInterface();
   }
   
   // create and position GUI components; register event handlers
   public void createUserInterface()
   {      
     // get content pane for attaching GUI components
      Container contentPane = getContentPane();  
      contentPane.setLayout( null );
      
      // set up readFromFileJButton 
      readFromFileJButton = new JButton();
      readFromFileJButton.setBounds(130,10,200,20);
      readFromFileJButton.setText("Read   data   from   File");
      contentPane.add(readFromFileJButton);       
      readFromFileJButton.addActionListener(
      	new ActionListener() // anonymous inner class
         {
            // event handler called when previousJButton is clicked
            public void actionPerformed( ActionEvent event )
            {            	
               readFromFileJButtonActionPerformed(event);
            }

         } // end anonymous inner class

      ); // end call to addActionListener
      
      //set up windowJPanel1                   
      windowJPanel1 = new JPanel();
      windowJPanel1.setBounds( 10, 40, 460, 400 );
      windowJPanel1.setBorder( new TitledBorder( "Teams Information" ) );
      windowJPanel1.setLayout( null );
      contentPane.add( windowJPanel1 );   
      
      //set JLabel 
      selectJLabel = new JLabel();
      selectJLabel.setBounds(20,30,150,20);
      selectJLabel.setText("Select Team Name:");
      windowJPanel1.add(selectJLabel);