public void addInfo()
{
try
{
File file = new File( "result.txt ");
if(!file.exists())
file.createNewFile();
String str = "学号: "+sNum.getText() + "," + "姓名: "+sName.getText() + "";
BufferedWriter bw = new BufferedWriter(new FileWriter(file));
bw.write(str);
bw.write(13);
bw.write(10);
bw.flush();
//fw.flush();
bw.close();
// fw.close();
} catch (IOException e)
{
e.printStackTrace();
}
为什么每次都是覆盖result.txt呢?
我是要插入信息。。就是每次插入都放到result.txt里