1 public class TextRw { 2  3     public static void main(String[] args) { 4         // 编写TextRw的文件 5         try  6         { 7             FileWriter fw=new FileWriter("C:/Users/Administrator/Desktop/zuoye1.txt"); 8             fw.write("小二逼，66666"); 9             fw.close();10             System.out.println("写入成功");11             FileReader fr=new FileReader("C:/Users/Administrator/Desktop/zuoye1.txt");12             char[]nb=new char[1024];13             int i=0;14             StringBuilder sb=new StringBuilder();15             while((i=fr.read(nb))>0)16             {17                 sb.append(nb, 0, i);18             }19             fr.close();20             System.out.println("读取="+sb);21             System.out.println("读取成功");22             23         } 24         catch (IOException e) 25         {26             e.printStackTrace();27         }