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import?java.awt.*;

import?javax.swing.*;

import?java.awt.event.ActionListener;

import?java.awt.event.ActionEvent;

import?java.io.*;

//score文件在d盤下

public?class?MinimalElements?{

private?static?JTextField?textField;

private?static?JTextField?textField_1;

private?static?JTextField?textField_2;

public?static?void?main(String[]?args){

try{

File?file=new?File("D://score.txt");

file.createNewFile();

}catch(IOException?eq){eq.printStackTrace();}

Stack?s=new?Stack();

finalJFrame?jf=new?JFrame();

32313133353236313431303231363533e58685e5aeb931333337393634jf.getContentPane().setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));

jf.setLocation(new?Point(300,?200));

jf.setSize(new?Dimension(450,?300));

jf.setVisible(true);

jf.setFont(new?Font("Dialog",?Font.PLAIN,?12));

jf.getContentPane().setBackground(new?Color(30,?144,?255));

jf.setTitle("\u5B66\u751F\u4FE1\u606F\u7BA1\u7406\u7CFB\u7EDF");

jf.setForeground(Color.BLUE);

jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

jf.setBackground(Color.BLUE);

jf.getContentPane().setLayout(null);

JLabel?lblNewLabel?=?new?JLabel("\u5B66\u751F\u4FE1\u606F\u7BA1\u7406\u7CFB\u7EDF?");

lblNewLabel.setFont(new?Font("方正蘭亭超細黑簡體",?Font.BOLD,?16));

lblNewLabel.setToolTipText("");

lblNewLabel.setBounds(140,?10,?169,?23);

jf.getContentPane().add(lblNewLabel);

JLabel?lblNewLabel_1?=?new?JLabel("\u59D3\u540D");

lblNewLabel_1.setBounds(62,?58,?54,?15);

jf.getContentPane().add(lblNewLabel_1);

JLabel?lblNewLabel_2?=?new?JLabel("\u6570\u5B66");

lblNewLabel_2.setBounds(62,?128,?54,?15);

jf.getContentPane().add(lblNewLabel_2);

JLabel?label?=?new?JLabel("\u8BED\u6587");

label.setBounds(62,?92,?54,?15);

jf.getContentPane().add(label);

textField?=?new?JTextField();

textField.setBounds(124,?55,?204,?21);

jf.getContentPane().add(textField);

textField.setColumns(10);

textField_1?=?new?JTextField();

textField_1.setBounds(124,?89,?204,?21);

jf.getContentPane().add(textField_1);

textField_1.setColumns(10);

textField_2?=?new?JTextField();

textField_2.setBounds(124,?125,?204,?21);

jf.getContentPane().add(textField_2);

textField_2.setColumns(10);

JButton?btnNewButton?=?new?JButton("\u6DFB\u52A0");

btnNewButton.addActionListener(new?ActionListener()?{

public?void?actionPerformed(ActionEvent?e)?{//添加

String?name=textField.getText();

String?yuwen=textField_1.getText();

String?math=textField_2.getText();

if((!(name.equals("")&&yuwen.equals("")&&math.equals("")))

&&(Integer.valueOf(yuwen)<=100&&Integer.valueOf(math)<=100)&&Integer.valueOf(yuwen)>=0&&Integer.valueOf(math)>=0){

try?{int?num=0,i=0;

BufferedReader?br=new?BufferedReader(new?FileReader("D://score.txt"));

while(br.readLine()!=null){num+=1;}br.close();

br=new?BufferedReader(new?FileReader("D://score.txt"));

String?all[]=new?String[num];

String?buffer="";

while((buffer=br.readLine())!=null){

all[i]=buffer;

i+=1;

}

br.close();

BufferedWriter?bw=new?BufferedWriter(new?FileWriter("D://score.txt"));

for(int?j=0;j

bw.write(all[j]);

bw.newLine();

}

bw.write(name+";"+yuwen+";"+math);

bw.close();

JOptionPane.showConfirmDialog(null,?"寫入成功",?"寫入成功！",?JOptionPane.CLOSED_OPTION);

}?catch?(IOException?e1)?{

e1.printStackTrace();

}

}

else{

JOptionPane.showMessageDialog(null,?"信息輸入不完整，等待完善",?"信息輸入不完整，等待完善",?JOptionPane.ERROR_MESSAGE);

}

}

});

btnNewButton.setBounds(62,?181,?93,?23);

jf.getContentPane().add(btnNewButton);

JButton?btnNewButton_1?=?new?JButton("\u4E0B\u4E00\u4E2A");

btnNewButton_1.addActionListener(new?ActionListener()?{

public?void?actionPerformed(ActionEvent?arg0)?{

BufferedReader?br=null;

try?{

br=new?BufferedReader(new?FileReader("D://score.txt"));

while(br.readLine()!=null){s.ln+=1;}br.close();

br=new?BufferedReader(new?FileReader("D://score.txt"));

int?sl=s.line+=1;

if(sl>=s.ln){s.line=0;}

String?infor="";

for(int?i=0;i

infor=br.readLine();

}

int?ii=infor.indexOf(";");

String?name=infor.substring(0,?ii);

int?li=infor.lastIndexOf(";");

String?yuwen=infor.substring(ii+1,?li);

String?math=infor.substring(li+1,?infor.length());

textField.setText(name);

textField_1.setText(yuwen);

textField_2.setText(math);

br.close();

s.ln=0;

}?catch?(FileNotFoundException?e)?{

e.printStackTrace();

}?catch?(IOException?e)?{

//?TODO?Auto-generated?catch?block

e.printStackTrace();

}

}

});

btnNewButton_1.setBounds(185,?181,?93,?23);

jf.getContentPane().add(btnNewButton_1);

JButton?button?=?new?JButton("\u91CD\u7F6E");

button.addActionListener(new?ActionListener()?{

public?void?actionPerformed(ActionEvent?arg0)?{

textField.setText("");

textField_1.setText("");

textField_2.setText("");

}

});

button.setBounds(300,?181,?93,?23);

jf.getContentPane().add(button);

jf.setSize(jf.getWidth()+1,?jf.getHeight()+1);

}

}

class?Stack{

int?line=0;

int?ln=0;

}

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