java用settext界面显示了JTextField的类信息，求解答？

Question

//Calendar日历记事本

package wannianli;

import java.util.Calendar;

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import java.io.*;//文件访问（Java IO）粗体+ 波浪线 

import java.util.Hashtable;//哈希表   粗下划线

public class CalendarPad extends JFrame implements MouseListener{

int year,month,day;

Hashtable hashtable;

File file;

JTextField showDay[];

JLabel title[];

JLabel[] label=new JLabel[49];

JLabel y_label=new JLabel(Messages.getString("CalendarPad.0")); //$NON-NLS-1$

JLabel m_label=new JLabel(Messages.getString("CalendarPad.1")); //$NON-NLS-1$

Calendar cal;

Calendar now=Calendar.getInstance();// 实例化Calendar

int week;

NotePad notepad=null;

Month ChangeMonth;

Year ChangeYear;

String w[]={"星期日","星期一","星期二","星期三","星期四","星期五","星期六"}; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$

JPanel leftPanel,rightPanel;

public CalendarPad(int year,int month,int day)//构造函数

{

leftPanel=new JPanel();

JPanel leftCenter=new JPanel();

JPanel leftNorth=new JPanel();

leftCenter.setLayout(new GridLayout(7,7));

rightPanel=new JPanel();

this.year=year;

this.month=month;

this.day=day;

ChangeYear=new Year(this);

ChangeYear.setYear(year);

ChangeMonth=new Month(this);

ChangeMonth.setMonth(month);

title=new JLabel[7];

showDay=new JTextField[42];

for(int j=0;j<7;j++){

title[j]=new JLabel();

title[j].setText(w[j]);

title[j].setBorder(BorderFactory.createRaisedBevelBorder());//调节星期行的//createRaisedBevelBorder 在凸起的边框中，高亮在顶部，阴影在下面

leftCenter.add(title[j]);

}

title[0].setForeground(Color.red);//周日颜色为红

title[6].setForeground(Color.blue);//周六颜色为蓝

for(int i=0;i<42;i++){

showDay[i]=new JTextField();

showDay[i].addMouseListener(this);//设置鼠标监听

showDay[i].setEditable(false);//无法直接修改日期的东西

leftCenter.add(showDay[i]);

}

cal=Calendar.getInstance();

Box box=Box.createHorizontalBox();

box.add(ChangeYear);//设置上年，下年

box.add(ChangeMonth);//设置上月，下月

leftNorth.add(box);

leftPanel.setLayout(new BorderLayout());

leftPanel.add(leftNorth,BorderLayout.NORTH);

leftPanel.add(leftCenter,BorderLayout.CENTER);

rightPanel.add(new Label(Messages.getString("年份框输入年份(负数公元前)回车确定")),BorderLayout.SOUTH); //设置年份框输入年份

leftPanel.add(new Clock(this),BorderLayout.SOUTH);//调用Clock 类实例, 来实现对当前时间的显示     

leftPanel.validate();

Container con=getContentPane();

JSplitPane split=new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,leftPanel,rightPanel);

con.add(split,BorderLayout.CENTER);

con.validate();

hashtable=new Hashtable();

file=new File(Messages.getString("日历记事本 .txt")); //日历记事本

if(!file.exists()){

try{

FileOutputStream out=new FileOutputStream(file);//文件输出流

ObjectOutputStream objectOut=new ObjectOutputStream(out);//Java 对象的基本数据类型和图形写入 OutputStream

objectOut.writeObject(hashtable);

objectOut.close();

out.close();

}catch(IOException e){}

}

notepad=new NotePad(this);

rightPanel.add(notepad);//记事本

setCal(year,month);//日期

addWindowListener(new WindowAdapter(){

public void windowClosing(WindowEvent e){

System.exit(0);

}

});

setVisible(true);

setBounds(100,50,524,285);

validate();

}

public void setCal(int year,int month){

cal.set(year,month-1,1);

week=cal.get(Calendar.DAY_OF_WEEK)-1;

System.out.println(week);

if(month==1||month==2||month==3||month==5||month==7||month==8||month==10||month==12){

QueryNum(week,31);

}else if(month==4||month==6||month==9||month==11){

QueryNum(week,30);

}else if(month==2){

if((year%4==0&&year%100!=0)||(year%400==0)){

QueryNum(week,29);

}else{

QueryNum(week,28);

}

}

}

public void QueryNum(int w_num,int month_num){

for(int i=w_num,n=1;i<w_num+month_num;i++){

showDay[i].setText(""+n); //日期

if(n==day){

showDay[i].setForeground(Color.green);

showDay[i].setFont(new Font(Messages.getString("CalendarPad.12"),Font.BOLD,20)); //$NON-NLS-1$

}else{

showDay[i].setFont(new Font(Messages.getString("CalendarPad.13"),Font.BOLD,12)); //$NON-NLS-1$

showDay[i].setForeground(Color.black);

}

if(i%7==6){

showDay[i].setForeground(Color.blue);

}

if(i%7==0){

showDay[i].setForeground(Color.red);

}

n++;

}

for(int i=0;i<w_num;i++)

{

showDay[i].setText(""); //$NON-NLS-1$

}

for(int i=w_num+month_num;i<42;i++)

{

showDay[i].setText(""); //$NON-NLS-1$

}

}

public int getYear(){return year;}

public void setYear(int y){

year=y;

notepad.setYear(year);

}

public int getMonth()

{return month;}

public void setMonth(int m){month=m;

notepad.setMonth(month);

}

public int getDay(){return day;}

public void setDay(int d){

day=d;notepad.setDay(day);}

public Hashtable getHashtable(){

return hashtable;

}

public File getFile(){return file;}

public void mousePressed(MouseEvent e){

JTextField source=(JTextField)e.getSource();

try{

day=Integer.parseInt(source.getText());

notepad.setDay(day);

notepad.setMesLabel(year,month,day);

notepad.setText(null);

notepad.getLog(year,month,day);

}catch(Exception ee){}

}

public void mouseClicked(MouseEvent e){

//rightPanel.add(notepad);

}

public void mouseReleased(MouseEvent e){}

public void mouseEntered(MouseEvent e){}

public void mouseExited(MouseEvent e){}

public static void main(String args[]){

Calendar calendar=Calendar.getInstance();

int y=calendar.get(Calendar.YEAR);

int m=calendar.get(Calendar.MONTH)+1;

int d=calendar.get(Calendar.DAY_OF_MONTH);

new CalendarPad(y,m,d);

}

}

Answer 1

你这个是取值错误，取出来的是他的文件，而你要展示的是字段内容。希望采纳