String password="p";
File file = new File("d:/key.txt");
BufferedWriter write = new BufferedWriter(new FileWriter(file));
write.write(password,0,password.length());
write.flush();
write.close();
File file = new File("d:/key.txt");
BufferedWriter write = new BufferedWriter(new FileWriter(file));
write.write(password,0,password.length());
write.flush();
write.close();
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货