java 代码
- package example;
- import java.awt.BorderLayout;
- import java.io.File;
- import java.util.Date;
- import javax.swing.JFrame;
- import javax.swing.JScrollPane;
- import javax.swing.JTable;
- public class TableFeature extends JFrame {
- String[] titles = new String[] {
- "Directory?", "File Name", "Read?", "Write?", "Size", "Last Modified"
- };
- public TableFeature( ) {
- super("Simple JTable Test");
- setSize(300, 200);
- setDefaultCloseOperation(EXIT_ON_CLOSE);
- File pwd = new File(".");
- Object[][] stats = getFileStats(pwd);
- JTable jt = new JTable(stats, titles);
- jt.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
- jt.setColumnSelectionAllowed(true);
- JScrollPane jsp = new JScrollPane(jt);
- getContentPane( ).add(jsp, BorderLayout.CENTER);
- }
- public Object[][] getFileStats(File dir) {
- String files[] = dir.list( );
- Object[][] results = new Object[files.length][titles.length];
- for (int i=0; i < files.length; i++) {
- File tmp = new File(files[i]);
- results[i][0] = new Boolean(tmp.isDirectory( ));
- results[i][1] = tmp.getName( );
- results[i][2] = new Boolean(tmp.canRead( ));
- results[i][3] = new Boolean(tmp.canWrite( ));
- results[i][4] = new Long(tmp.length( ));
- results[i][5] = new Date(tmp.lastModified( ));
- }
- return results;
- }
- public static void main(String args[]) {
- TableFeature tf = new TableFeature( );
- tf.setVisible(true);
- }
- }
本文介绍了一个使用Java Swing创建的简单文件目录展示程序。通过JTable组件,该程序能够显示指定目录下的文件列表,并提供了包括文件名、是否可读写等详细信息。此示例展示了如何初始化表格、设置列宽及滚动条等功能。
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