File file =new File(outPath);
if(file.exists()){
????file.delete();
}
FileWriter fw =new FileWriter(outPath, true);
BufferedWriter bw =new BufferedWriter(fw);
bw.write(stringBuilder.toString());
bw.flush();
bw.close();
fw.close();
File file =new File(outPath);
if(file.exists()){
????file.delete();
}
FileWriter fw =new FileWriter(outPath, true);
BufferedWriter bw =new BufferedWriter(fw);
bw.write(stringBuilder.toString());
bw.flush();
bw.close();
fw.close();