Java读取txt文件和写入txt文件-多种方法-java读写文件-java读写

 
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.Scanner;
 
import org.apache.commons.io.FileUtils;
 
public class ReadTxt2 {
  public static void main(String[] args) throws IOException {
    Scanner s = null;
    try {
      s = new Scanner(new BufferedReader(new FileReader("test.txt")));
      // 使用字符串换行作为分隔符
      s.useDelimiter("/n");
      while (s.hasNext()) {
        // System.out.println(s.next());
        // String keyWord = URLDecoder.decode(s.next(), "utf8");
        // System.out.println(keyWord);       
      }
    }
  }
 
}

            File file = new File("testurl.txt");
      System.out.println("testurl.txt");
      InputStreamReader reader = new InputStreamReader(
          new FileInputStream(file));
      BufferedReader br = new BufferedReader(reader);
      String stringLine;
      while ((stringLine=br.readLine())!=null) {
        System.out.println(stringLine);
      }

import java.io.BufferedReader;
import java.io.FileReader;
 
import org.junit.Test;
 
public class TestTest {
  @Test
  public void Test1() {
 
    try {
      String pathname = util.Directory.GetAppPath("data") + "testurl.txt";
      FileReader reader = new FileReader(pathname);
      BufferedReader br = new BufferedReader(reader);
      while (br.ready()) {
        System.out.println(br.readLine());
      }
      br.close();
      reader.close();
    } catch (Exception e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }
}

//import org.apache.commons.io.FileUtils;
 
 
FileUtils.write(new File("d:/textContent.html"),"写入内容", "gbk");1.