java读取文件夹下的所有文件

package test;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
//Read all files under the folder
public class ReadFolder {
	public static void main(String[] args) {
		BufferedReader bufReader = null;
		try {
			
			String filepath = "E:\\test\\corpus";
			File file = new File(filepath);
			if (!file.isDirectory()) {
				System.out.println("Not folder");
			} else if (file.isDirectory()) {
				System.out.println("Be folder");
				
				String str;
				int lineNo;
				
				String[] filelist = file.list();
				
				for (int i = 0; i < filelist.length; i++) {
					File readfile = new File(filepath + "\\" + filelist[i]);
					String absolutePath = readfile.getAbsolutePath();
					String fileName = readfile.getName();
					
					//Read each file
					bufReader = new BufferedReader(new InputStreamReader(new FileInputStream(absolutePath)));
					lineNo=0;
					
					while((str=bufReader.readLine())!=null) {
						++lineNo;
						if(str.endsWith("*END*")) {
							System.out.println(fileName+"(*END*)-->"+lineNo);
						}
						
						if("".equals(str)) {
							System.out.println(fileName+"(空行)-->"+lineNo);
						}
					}
					
				}
				System.out.println("All finished");
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				bufReader.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
			
			
		}

	}
}

 

本文地址：https://blog.csdn.net/Scanner_sc/article/details/109570987