public String ReadFile(){
String content=null;
try {
FileInputStream fis=openFileInput("a.txt");
ByteArrayOutputStream baos=new ByteArrayOutputStream();
byte[] buffer=new byte[1024];
int bytes;
while((bytes=fis.read(buffer,0,buffer.length))!=-1){
baos.write(buffer,0,bytes);
}
content=baos.toString();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}guichuideng
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