读取文件分3步
一:创建openInput对象,参数填写将要读取的文件名字,使用FileInputSream接收;
二:创建BuffereReader对象,参数填写new InputSreamReader(openFileInput对象);
三:得到BuffereReader对象reader之后,使用whil((String line = reader.readLine)!=null){
StringBuffere buffere = new StringBuffere();
buffere.append(line);
}
FileInputStream in = null;
BufferedReader reader = null;
String line = "";
StringBuffer buffere = new StringBuffer();
try {
in = openFileInput("name");
reader = new BufferedReader(new InputStreamReader(in));
while ((line = reader.readLine())!=null) {
buffere.append(line);
}
Toast.makeText(MainActivity.this, buffere, 0).show();
} catch (Exception e) {
e.printStackTrace();
}