import java.io.*; class Test { public Test() { try { DataInputStream din = new DataInputStream( new FileInputStream("test.txt")); while(din.available()!=0) { System.out.println(din.readLine()); } }catch(IOException e) { e.printStackTrace(); } } public static void main(String[] args) { Test test = new Test(); } } 你把System.out.println(din.readLine())改成textfield.append(din.readLine()))就行了啊
TextField t=new TextField(20);
add(t);
}
public static void main(String args[])throws Exception
{FileInputStream f2=new FileInputStream("E:/java/io/test.txt");
f2.read();
f2.close();}
就像这样要在哪里导入才行!~!~
class Test
{
public Test()
{
try
{
DataInputStream din = new DataInputStream(
new FileInputStream("test.txt"));
while(din.available()!=0)
{
System.out.println(din.readLine());
}
}catch(IOException e)
{
e.printStackTrace();
}
}
public static void main(String[] args)
{
Test test = new Test();
}
}
你把System.out.println(din.readLine())改成textfield.append(din.readLine()))就行了啊