看一下这段代码:jta是
PrintWriter pw=new PrintWriter(new FileWriter("test.txt"));
BufferedReader br=new BufferedReader(new StringReader(jta.getText()));
String s="";
while((s=br.readLine())!=null)
pw.println(s);
pw.flush();
PrintWriter pw=new PrintWriter(new FileWriter("test.txt"));
BufferedReader br=new BufferedReader(new StringReader(jta.getText()));
String s="";
while((s=br.readLine())!=null)
pw.println(s);
pw.flush();
jta是你的JTextArea
注意这样子产生的文本文件最终会多出一个回车符,你自己解决吧!