myfile.java

用位视图实现磁盘的回收与分配 java+jsp

package xingxing;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;


public class myfile {
	String FileName = "D:\\workspace\\OSDesign\\WebRoot\\myfile\\filename.dat";
    public void dname(String filename,int test){
		try {
			FileWriter fw1 = new FileWriter(FileName,true);
			//FileWriter fw1 = new FileWriter(FileName);//被覆盖
			fw1.write(filename+" "+test);
		    //fw1.write("\r\n");
		    fw1.write(" ");
			fw1.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
    }
    public String[] readfile() {
    	String data[] = new String[10];
		try {
			FileReader fr = new FileReader(FileName);
			BufferedReader br = new BufferedReader(fr);
			String line = null;
			do {
				
				line = br.readLine();
				String d[] = line.split(" ");
				for (int i = 0; i < d.length; i++) {
					data[i] = d[i];
				}
			} while (line != null);
			br.close();
			fr.close();
		} catch (Exception e) {

		}
		return data;

	}
}