binfileoutput.java

贪食蛇的实现源码

package houqi;
import java.io.*;
public class BinFileOutput {

		  public static void main(String f[]) {



		    FileOutputStream fos;
		    DataOutputStream ds;

		    try {
		      fos = new FileOutputStream("Test1.txt",true);//FileOutputStream(String name,boolean append);追加
		     
		      ds = new DataOutputStream( fos );

		      /*int a[] = {0,1,2,3,4,5,6,7,8,9};
		      for (int i=0; i<a.length; i++) 
		              ds.writeInt(a[i]); *///此法在Test1.txt中装入的是字符转化后的字节，是乱码
		       //往文件中装入字符
		      BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		    	String number = br.readLine();
		    	BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));//可有可无，buffer只是为了提高效率
		    	ds.writeChars(number);//此法在Test1.txt中装入的是可识别的字符
		    	 String[] ss=number.split(",");
		    	for (int i=0; i<ss.length; i++) {
		             ds.writeInt(Integer.parseInt(ss[i])); //因为键盘输入是字符流 writeInt 因为int此法在Test1.txt中装入的乱码
                     System.out.println(Integer.parseInt(ss[i]));
		           }//键盘输入入Test1.txt，是乱码
		    }
		    	catch (IOException ioe) {
		               System.out.println( "IO error: " + ioe ); }
		    
		}
}