diarybook.java

基于java开发的个人数字助理

/*
 * DiaryBook.java
 *
 * Created on 2008年3月20日, 下午3:41
 */

package pda;

import java.awt.FileDialog;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Calendar;
import java.util.GregorianCalendar;
import javax.swing.JOptionPane;

/**
 *
 * @author  Administrator
 */
public class DiaryBook extends javax.swing.JFrame {
    
    FileDialog fsave=new FileDialog(this,"保存文件对话框",FileDialog.SAVE);
    FileDialog fopen=new FileDialog(this,"打开文件对话框",FileDialog.LOAD);

    private Calendar t;

    private String n;

    private String path;
    
    /** Creates new form DiaryBook */
    public DiaryBook(String path) {
        super("新建日志");
        initComponents();
        this.path=path;
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" 生成的代码 ">//GEN-BEGIN:initComponents
    private void initComponents() {
        jScrollPane2 = new javax.swing.JScrollPane();
        diaryArea = new javax.swing.JTextArea();
        save = new javax.swing.JButton();
        del = new javax.swing.JButton();
        open = new javax.swing.JButton();
        jMenuBar1 = new javax.swing.JMenuBar();
        edit = new javax.swing.JMenu();
        saveDiary = new javax.swing.JMenuItem();
        delDiary = new javax.swing.JMenuItem();
        openDiary = new javax.swing.JMenuItem();

        diaryArea.setColumns(20);
        diaryArea.setRows(5);
        jScrollPane2.setViewportView(diaryArea);

        save.setText("\u4fdd\u5b58\u65e5\u5fd7");
        save.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                saveActionPerformed(evt);
            }
        });

        del.setText("\u5220\u9664\u5185\u5bb9");
        del.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                delActionPerformed(evt);
            }
        });

        open.setText("\u6253\u5f00\u5176\u4ed6\u65e5\u5fd7");
        open.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                openActionPerformed(evt);
            }
        });

        edit.setText("\u7f16\u8f91");
        saveDiary.setText("\u4fdd\u5b58\u65e5\u5fd7");
        saveDiary.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                saveDiaryActionPerformed(evt);
            }
        });

        edit.add(saveDiary);

        delDiary.setText("\u5220\u9664\u5185\u5bb9");
        delDiary.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                delDiaryActionPerformed(evt);
            }
        });

        edit.add(delDiary);

        openDiary.setText("\u6253\u5f00\u5176\u4ed6\u65e5\u5fd7");
        openDiary.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                openDiaryActionPerformed(evt);
            }
        });

        edit.add(openDiary);

        jMenuBar1.add(edit);

        setJMenuBar(jMenuBar1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(85, 85, 85)
                        .addComponent(save)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(del)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(open))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 364, Short.MAX_VALUE)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 214, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(save)
                    .addComponent(del)
                    .addComponent(open))
                .addContainerGap())
        );
        java.awt.Dimension screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
        setBounds((screenSize.width-400)/2, (screenSize.height-318)/2, 400, 318);
    }// </editor-fold>//GEN-END:initComponents

    private void openDiaryActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_openDiaryActionPerformed
// TODO 将在此处添加您的处理代码：
        openFile();
    }//GEN-LAST:event_openDiaryActionPerformed

    private void delDiaryActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_delDiaryActionPerformed
// TODO 将在此处添加您的处理代码：
        diaryArea.setText(null);
    }//GEN-LAST:event_delDiaryActionPerformed

    private void saveDiaryActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_saveDiaryActionPerformed
// TODO 将在此处添加您的处理代码：
       saveFile(path);
    }//GEN-LAST:event_saveDiaryActionPerformed

    private void openActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_openActionPerformed
// TODO 将在此处添加您的处理代码：
        openFile();
    }//GEN-LAST:event_openActionPerformed

    private void delActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_delActionPerformed
// TODO 将在此处添加您的处理代码：
        diaryArea.setText(null);
    }//GEN-LAST:event_delActionPerformed

    private void saveActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_saveActionPerformed
// TODO 将在此处添加您的处理代码：
        saveFile(path);
    }//GEN-LAST:event_saveActionPerformed
    
    /*public void time(){
         t=new GregorianCalendar();
         n=t.get(t.YEAR)+"年"+(t.get(t.MONTH)+1)+"月"+t.get(t.DAY_OF_MONTH)+"日：\n";
         diaryArea.setText(n);
     }*/

    public void openFile(){
        fopen.setVisible(true);
        diaryArea.setText(null);
        String s;
        if(fopen.getFile()!=null)
        {
            try{
                File file=new File(fopen.getDirectory(),fopen.getFile());
                FileReader fr=new FileReader(file);
                BufferedReader br=new BufferedReader(fr);
                while((s=br.readLine())!=null)
                    diaryArea.append(s+'\n');
                br.close();
                fr.close();
            }catch (Exception e){
                
            }
        }
    }
    
    /*public void saveFile(){
        fsave.setVisible(true);
        if(fsave.getFile()!=null)
        {
            try{
            File file=new File(fsave.getDirectory(),fsave.getFile());
            FileWriter fw=new FileWriter(file);
            BufferedWriter bw=new BufferedWriter(fw);
            bw.write(diaryArea.getText(),0,(diaryArea.getText()).length());
            bw.flush();
            bw.close();
            fw.close();
            }catch(Exception e){
                
            }
            
        }
    }*/
    
    public void saveFile(String path){
        
        try{
            File file=new File(path);
            FileWriter fw=new FileWriter(file);
            BufferedWriter bw=new BufferedWriter(fw);
            bw.write(diaryArea.getText(),0,(diaryArea.getText()).length());
            bw.flush();
            bw.close();
            fw.close();
            }catch(Exception e){
                
            }
        JOptionPane.showMessageDialog(null,"日志保存成功！");
    }
    
    /**
     * @param args the command line arguments
     */
     
    /*public static void main(String args[]) {
        DiaryBook db=new DiaryBook("");
        db.setVisible(true);
    }*/
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JButton del;
    private javax.swing.JMenuItem delDiary;
    private javax.swing.JTextArea diaryArea;
    private javax.swing.JMenu edit;
    private javax.swing.JMenuBar jMenuBar1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JButton open;
    private javax.swing.JMenuItem openDiary;
    private javax.swing.JButton save;
    private javax.swing.JMenuItem saveDiary;
    // 变量声明结束//GEN-END:variables
    
}