我的聊天/文件传输软件代码(----FileChooser代码)

最新推荐文章于 2021-02-13 18:12:00 发布

lihaifeng0412

最新推荐文章于 2021-02-13 18:12:00 发布

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分类专栏：程序文章标签：聊天 filter import exception jsp html

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本文介绍了一个Java实现的文件选择器类，该类可以用于打开和保存文件对话框，并支持多种文件类型的过滤。

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/**

* 打开,选择文件对话框

package filetrans;

import javax.swing.*;

import java.io.*;

import java.util.*;

import java.awt.*;

import javax.swing.border.TitledBorder;

public class FileChooser{

private JFileChooser fileChooser;

private JFileChooser fileChooser2;

private JFrame frame;

private int selectButton;

private int saveButton;

private TitledBorder titledBorder1;

private int height=Toolkit.getDefaultToolkit().getScreenSize().height;

private int width=Toolkit.getDefaultToolkit().getScreenSize().width;

public FileChooser(JFrame frame)throws IOException{

this.frame=frame;

jbInit();

}

/**

* 初始化

public void jbInit() throws IOException{

this.selectButton=0;

this.saveButton=0;

titledBorder1=new TitledBorder("");

fileChooser=new JFileChooser();

fileChooser2=new JFileChooser();

}

/**

* 获得选择的文件路径

public String getSelectFile(){

String filePath=fileChooser.getSelectedFile().getAbsolutePath();

return filePath;

}

/**

* 获得保存的文件

public File getSaveSelectFile(){

File file=fileChooser2.getSelectedFile();

return file;

}

/**

* 获得打开/保存文件对话框上选择的按钮

public int getSelectButton(){

return selectButton;

}

public int getsaveButton(){

return saveButton;

}

/**

* 获得当前的路径

public File getCurrentPath(){

fileChooser2.rescanCurrentDirectory();

return fileChooser2.getCurrentDirectory();

}

/**

* 打开文件对话框及过滤方法

public void setSelectFileChooser()throws Exception {

fileChooser.setDialogTitle("请选择你要传送的文件");

fileChooser.setBorder(titledBorder1);

fileChooser.setPreferredSize(new Dimension(width/2+150,height/4+150));

MyFilefilter filter1=new MyFilefilter();

String st1[]={".java"};

filter1.add(st1);

filter1.setDescription("Java文件(.java)");

fileChooser.setFileFilter(filter1);

MyFilefilter filter2=new MyFilefilter();

String st2[]={".jsp"};

filter2.add(st2);

filter2.setDescription("jsp文件(.jsp)");

fileChooser.setFileFilter(filter2);

MyFilefilter filter3=new MyFilefilter();

String st3[]={".html","htm"};

filter3.add(st3);

filter3.setDescription("Html文件(.html;.htm)");

fileChooser.setFileFilter(filter3);

MyFilefilter filter4=new MyFilefilter();

String st4[]={".xml",".syn",".tld",".form",".dtd"};

filter4.add(st4);

filter4.setDescription("Xml文件(.xml;.syn;.tld;.form;.dtd)");

fileChooser.setFileFilter(filter4);

MyFilefilter filter5=new MyFilefilter();

String st5[]={".wma",".wmv",".diz",".asf",".wav",".ra",".rm",".ram",".rmvb",".au"};

filter5.add(st5);

filter5.setDescription("音频文件(.wma;.wmv;.diz;.asf;.wav;.ra;.rm;.ram;.rmvb;.au)");

fileChooser.setFileFilter(filter5);

MyFilefilter filter6=new MyFilefilter();

String st6[]={".mp3",".mp4",".mp2",".mp1",".mpa",".mid",".rmi",".midi"};

filter6.add(st6);

filter6.setDescription("音乐文件(.mp3;.mp4;.mp2;.mp1;.mpa;.mid;.rmi;.midi)");

fileChooser.setFileFilter(filter6);

MyFilefilter filter7=new MyFilefilter();

String st7[]={".jpg",".jpeg",".jpe",".jif",".jfif",".bmp",".png",".gif"};

filter7.add(st7);

filter7.setDescription("图像文件(.jpg;.jpeg;.jpe;.jif;.jfif;.bmp;.png;.gif)");

fileChooser.setFileFilter(filter7);

MyFilefilter filter8=new MyFilefilter();

String st8[]={".txt",".doc",".diz",".bak",".ini",".policy",".mf"};

filter8.add(st8);

filter8.setDescription("Plain文件(.txt;.doc;.diz;.bak;.ini;.policy;.mf)");

fileChooser.setFileFilter(filter8);

selectButton=fileChooser.showOpenDialog(frame);

}

/**

* 保存文件对话框及过滤

public void setSaveFileChooser(String st)throws Exception {

fileChooser2.setDialogTitle("保存文件");

fileChooser2.setBorder(titledBorder1);

fileChooser2.setPreferredSize(new Dimension(width/2+150,height/4+150));

fileChooser2.setSelectedFile(new File(st));