File file=new File("C:\\Users\\xxxx\\Desktop\\asdf2.txt");
if(file.isFile()&&file.exists()){
InputStreamReader read=new InputStreamReader(new FileInputStream(file),"gbk");
BufferedReader but=new BufferedReader(read);
String str=null;
while((str=but.readLine())!=null){
System.out.println(str);
}
}else{
System.out.println("找不到文件");
}
追问和老师给的模板差不多 然而看不懂啊