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Copy pathDirTest.java
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41 lines (32 loc) · 917 Bytes
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Copy pathDirTest.java
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41 lines (32 loc) · 917 Bytes
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package java_base;
import java.io.File;
import java.io.FilenameFilter;
import java.text.SimpleDateFormat;
import java.util.Date;
public class DirTest {
public static void main(String[] args) {
// TODO Auto-generated method stub
File f = new File("src\\java_base");
File[] fa = f.listFiles(new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
// TODO Auto-generated method stub
return name.endsWith(".java");
}
});
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
String date = null;
String isDir = null;
for(File ff : fa)
{
date = sdf.format(new Date(ff.lastModified()));
isDir= ff.isDirectory()?"<dir>":":";
System.out.printf("%s\t\t%d\t%s\t%s\n", ff.getName(), ff.length(), isDir, date);
System.out.println(isDir);
}
}
}
/*
*
*出现 ？ 就是 if else 的意思File.listFiles() 查看目录 可以重写方法进行过滤
*/