根据后缀过滤文件.这用于检索特定类型的所有文件.
以下是 org.apache.commons的声明.io.filefilter.SuffixFileFilter Class :
public class SuffixFileFilter extends AbstractFileFilter implements Serializable
这是我们需要解析的输入文件 :
Welcome to TutorialsPoint. Simply Easy Learning.
让我们打印当前目录中的所有文件和目录,然后过滤扩展名为txt的文件.
IOTester.java
import java.io.File; import java.io.IOException; import org.apache.commons.io.filefilter.SuffixFileFilter; public class IOTester { public static void main(String[] args) { try { usingSuffixFileFilter(); } catch(IOException e) { System.out.println(e.getMessage()); } } public static void usingSuffixFileFilter() throws IOException { //get the current directory File currentDirectory = new File("."); //get names of all files and directory in current directory String[] files = currentDirectory.list(); System.out.println("All files and Folders.\n"); for( int i = 0; i < files.length; i++ ) { System.out.println(files[i]); } System.out.println("\nFile with extenstion txt\n"); String[] filesNames = currentDirectory.list( new SuffixFileFilter("txt") ); for( int i = 0; i < filesNames.length; i++ ) { System.out.println(filesNames[i]); } } }
它将打印以下内容结果.
All files and Folders. .classpath .project .settings bin input.txt src File with extenstion txt input.txt