读取TXT文件的方法
public String uploadTxtInfo(File txtFile, String fileName, User currentUser) throws IOException {
String msg = null;
try {
//构造一个BufferedReader类来读取文件
BufferedReader br = new BufferedReader(new FileReader(txtFile));
String s = null;
while((s = br.readLine())!=null){//使用readLine方法,一次读一行
System.out.println(s);
}
br.close();
} catch (Exception e){
e.printStackTrace();
}
return msg;
}