基本信息
源码名称:java 从RAR压缩包中删除文件
源码大小:4.21KB
文件格式:.zip
开发语言:Java
更新时间:2019-07-21
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源码介绍
package com.mingrisoft;
import static java.lang.Runtime.getRuntime;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;
import java.util.Scanner;
import java.util.Vector;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.ListSelectionModel;
import javax.swing.border.BevelBorder;
import javax.swing.border.EmptyBorder;
import javax.swing.border.TitledBorder;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.table.DefaultTableModel;
public class DeleteFileFromRAR extends JFrame {
/**
*
*/
private static final long serialVersionUID = -7234463365703844776L;
private JPanel contentPane;
private JTextField rarFileField;
private File rarFile;
private JTable table;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
DeleteFileFromRAR frame = new DeleteFileFromRAR();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public DeleteFileFromRAR() {
setTitle("\u4ECERAR\u538B\u7F29\u5305\u4E2D\u5220\u9664\u6587\u4EF6");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 508, 300);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
contentPane.setLayout(new BorderLayout(0, 5));
setContentPane(contentPane);
JPanel panel = new JPanel();
contentPane.add(panel, BorderLayout.NORTH);
panel.setLayout(new BorderLayout(5, 0));
JLabel lblrar = new JLabel("\u3000\u9009\u62E9RAR\u6587\u6863\uFF1A");
panel.add(lblrar, BorderLayout.WEST);
JButton browseButton = new JButton("\u6D4F\u89C8");
browseButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
do_browseButton_actionPerformed(e);
}
});
panel.add(browseButton, BorderLayout.EAST);
rarFileField = new JTextField();
panel.add(rarFileField, BorderLayout.CENTER);
rarFileField.setColumns(10);
JScrollPane scrollPane = new JScrollPane();
scrollPane.setBorder(new TitledBorder(new BevelBorder(BevelBorder.LOWERED, null, null, null, null), "\u538B\u7F29\u6587\u4EF6\u5217\u8868\uFF1A",
TitledBorder.LEADING, TitledBorder.ABOVE_TOP, null, new Color(0, 0, 0)));
contentPane.add(scrollPane, BorderLayout.CENTER);
table = new JTable();
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
table.setModel(new DefaultTableModel(new Object[][] {}, new String[] { "\u6587\u4EF6\u540D\u79F0", "\u5927\u5C0F", "\u538B\u7F29\u540E\u5927\u5C0F",
"\u538B\u7F29\u7387", "\u65F6\u95F4" }));
table.getColumnModel().getColumn(0).setPreferredWidth(200);
scrollPane.setViewportView(table);
JPanel panel_1 = new JPanel();
FlowLayout flowLayout = (FlowLayout) panel_1.getLayout();
flowLayout.setHgap(30);
contentPane.add(panel_1, BorderLayout.SOUTH);
JButton delButton = new JButton("\u5220\u9664");
delButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
do_delButton_actionPerformed(e);
}
});
panel_1.add(delButton);
JButton closeButton = new JButton("\u5173\u95ED");
closeButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
do_closeButton_actionPerformed(e);
}
});
panel_1.add(closeButton);
}
/**
* 浏览按钮的事件处理方法
*
* @param e
*/
protected void do_browseButton_actionPerformed(ActionEvent e) {
JFileChooser chooser = new JFileChooser();// 创建文件选择器
chooser.setFileFilter(new FileNameExtensionFilter("RAR文档", "rar"));
chooser.setAcceptAllFileFilterUsed(false);
int option = chooser.showOpenDialog(this);// 显示文件打开对话框
if (option != JFileChooser.APPROVE_OPTION)
return;
rarFile = chooser.getSelectedFile();// 获取选择的rar文件
rarFileField.setText(rarFile.toString());// 显示rar文件到文本框
resolveFileList();
}
/**
* 解析文件列表信息到表格控件
*/
private void resolveFileList() {
try {
// 执行提取注释命令,把注释信息保存在临时文件中
Process process = getRuntime().exec("rar v -c- \"" rarFile "\"");
process.getOutputStream().close();// 关闭进程输出流
Scanner sc = new Scanner(process.getInputStream());
int count = 0;// 创建行索引
// 获取表格控件模型
DefaultTableModel model = (DefaultTableModel) table.getModel();
model.setRowCount(0);
Vector<String> row = new Vector<String>();// 创建行数据向量
do {
String line = sc.nextLine();// 获取文件列表信息的一行
// 标记起始结束索引
if (line.contains("----------------------")) {
count = (count == 0 ? count 1 : -1);
continue;
}
if (count == 0)// 跳过起始标记
continue;
if (count == -1)// 在结束标记终止循环
break;
if ( count % 2 == 0) {// 获取文件名称
row.add(line);
} else {// 获取文件详细信息
// 把文件详细信息分割为数组
String[] split = line.trim().split("\\s ");
for (String string : split) {// 遍历详细信息数组
row.add(string);// 把每个详细属性添加为表格单元数据
}
// 把行数据添加到表格数据模型
model.addRow(row.toArray());
row.clear();// 清除行数据向量对象,为下一行解析做准备
}
} while (sc.hasNext());
process.getInputStream().close();// 关闭输入流
} catch (Exception e1) {
e1.printStackTrace();
}
}
/**
* 关闭按钮的事件处理方法
*
* @param e
*/
protected void do_closeButton_actionPerformed(ActionEvent e) {
dispose();
}
/**
* 删除按钮的事件处理方法
*
* @param e
*/
protected void do_delButton_actionPerformed(ActionEvent e) {
// 获取表格数据模型
DefaultTableModel model = (DefaultTableModel) table.getModel();
int selectedRow = table.getSelectedRow();// 获取表格当前选择行
if (selectedRow < 0)
return;
// 获取选择行中的文件名
String path = model.getValueAt(selectedRow, 0).toString();
try {
// 执行rar删除命令
Process exec = getRuntime().exec("rar d -c- \"" rarFile "\" " path);
// 创建进程输入流
Scanner scan = new Scanner(exec.getInputStream());
while (scan.hasNext()) {// 变量输入流内容
scan.nextLine();// 清空输入流数据
}
scan.close();// 关闭输入流
} catch (IOException e1) {
e1.printStackTrace();
}
resolveFileList();// 重载表格中文件列表数据
}
}