raf.write報(bào)錯(cuò)
public class RadomAccessFileTest {
public static void main(String[] args) throws IOException {
File file = new File("C:\\Users/Administrator/Desktop/a.txt");
RandomAccessFile raf = new RandomAccessFile(file,"rw");
System.out.println(raf.getFilePointer());
raf.seek(raf.length());
raf.write("a");
}
}
2017-09-20
RandomAccessFile 一次只能寫一個(gè)字節(jié),"a"是個(gè)字符串,可以換成'a'或者"a".getBytes();
getBytes()方法可以設(shè)置編碼類型如gbk,utf-8等