java swt选择文件对话框.docx
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package com.fh.zhuanhuan;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import com.fh.readfile.FileRead;
public class ZhuanHuanMain extends JFrame {
/**
@param args
@author 王辉 */
private JButton bt,bt2;
private Box box;
private JFileChooser jc;
private String filepath=;
public ZhuanHuanMain(){
this.setTitle(经纬度转换小程序);
this.setLayout(new FlowLayout());
box=Box.createVerticalBox();
//
bt2=new JButton(选择文件名称);
box.add(bt2);
bt=new JButton(转换);
box.add(bt);
bt.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
//开始转化
if(filepath==null||filepath.equals()){
show(没有选择文件);
}else{
new FileRead().readerfile(filepath);
}
}
});
bt2.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
jc=new JFileChooser();
jc.showSaveDialog(null);
if(jc.getSelectedFile()!=null){
filepath=jc.getSelectedFile().getAbsolutePath();
bt2.setText(文件名称：+filepath);
}else{
show(没有选择文件);
}
}
});
this.add(box);
this.setResizable(false);
this.setVisible(true);
this.setSize(400, 120);
}
public static void main(String[] args) {
// TODO Auto-generated method stub
File file=new File(config.xml);
try {
//
//
//
//
//
FileReader fr=new FileReader(file);
BufferedReader br=new BufferedReader(fr);
String filepath=br.readLine();
System.out.println(filepath);
new FileRead().readerfile(filepath);
} catch (Exception e) {
// e.printStackTrace();
}
new ZhuanHuanMain();
}
public static void show(String msg){
JOptionPane.showMessageDialog(null,msg);
}
}
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