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import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.RandomAccessFile;
import java.io.Reader;
public class ReadfromFile {
/**
* ÒÔ×Ö½ÚΪµ¥Î»¶ÁÈ¡Îļþ£¬³£ÓÃÓÚ¶Á¶þ½øÖÆÎļþ£¬ÈçͼƬ¡¢ÉùÒô¡¢Ó°ÏñµÈÎļþ¡£
* @param fileName ÎļþµÄÃû
*/
public static void readFileByBytes(String fileName){
File file = new File(fileName);
InputStream in = null;
try {
System.out.println("ÒÔ×Ö½ÚΪµ¥Î»¶ÁÈ¡ÎļþÄÚÈÝ£¬Ò»´Î¶ÁÒ»¸ö×Ö½Ú£º");
// Ò»´Î¶ÁÒ»¸ö×Ö½Ú
in = new FileInputStream(file);
int tempbyte;
while((tempbyte=in.read()) != -1){
System.out.write(tempbyte);
}
in.close();
} catch (IOException e) {
e.printStackTrace();
return;
}
try {
System.out.println("ÒÔ×Ö½ÚΪµ¥Î»¶ÁÈ¡ÎļþÄÚÈÝ£¬Ò»´Î¶Á¶à¸ö×Ö½Ú£º");
//Ò»´Î¶Á¶à¸ö×Ö½Ú
byte[] tempbytes = new byte[100];
int byteread = 0;
in = new FileInputStream(fileName);
ReadfromFile.showAvailableBytes(in);
//¶ÁÈë¶à¸ö×Ö½Úµ½×Ö½ÚÊý×éÖУ¬bytereadΪһ´Î¶ÁÈëµÄ×Ö½ÚÊý
while ((byteread = in.read(tempbytes)) != -1){
System.out.write(tempbytes, 0, byteread);
}
} catch (Exception e1) {
e1.printStackTrace();
} finally {
if (in != nul
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