统计文件夹下所有文件的字数

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统计文件夹下所有.md文件的字数

import java.io.*;
import java.nio.charset.StandardCharsets;
import java.nio.file.*;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.regex.Pattern;public class WordCounter {private static final Pattern WORD_PATTERN = Pattern.compile("[a-zA-Z]+|[\u4e00-\u9fa5]");private static long totalWords = 0;public static void main(String[] args) throws IOException {Path startPath = Paths.get("path/to/your/directory"); // replace with your directoryFiles.walkFileTree(startPath, new SimpleFileVisitor<Path>() {@Overridepublic FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {if (file.toString().endsWith(".md")) {totalWords += countWords(file);}return FileVisitResult.CONTINUE;}private long countWords(Path file) throws IOException {long count = 0;try (BufferedReader reader = Files.newBufferedReader(file, StandardCharsets.UTF_8)) {String line;while ((line = reader.readLine()) != null) {count += WORD_PATTERN.split(line).length;}}return count;}@Overridepublic FileVisitResult postVisitDirectory(Path dir, IOException exc) {System.out.println("Visited directory: " + dir + ", total words: " + totalWords);return FileVisitResult.CONTINUE;}});System.out.println("Total words in all .md files: " + totalWords);}
}

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