IOUtils.getStringFromReader() 读取方式为最快的 InputStream in = null; String line = ""; long start=0,end=0; try { start = System.currentTimeMillis(); in = new FileInputStream(new File("D://1.txt")); InputStreamReader stream = new InputStreamRe
需求:读取指定目录下的文件名和目录名 实现如下: package com.test.common.util; import java.io.File; public class ReadFile { /* * 读取指定路径下的文件名和目录名 */ public void getFileList() { File file = new File("D:\\"); File[] fileList = file.listFiles(); for (int i = 0; i < file
package com.myjava; import java.io.*; import java.util.ArrayList; import java.util.Collections; import java.util.List; /** * Created by 14061371 on 2017/5/12. */ public class FileUtils { //获取当前路径 /** 按字节读取 * * @param fileName */ public static void re