很长的...
我给出相关部分吧:
public class linkpont2 extends Applet implements ActionListener {
TextField tf4;
TextField tf6;
Button btn2;
public void init(){
tf4=new TextField(2);
tf6=new TextField(10);
btn2=new Button("get");
btn2.addActionListener(this);
add(tf4);
add(btn2);}
public void actionPerformed(ActionEvent e){
u=tf4.getText();//之前在tf4里输入e
for(i=0;i<=5;i++)
{if(tf4.getText()!="e")
tf6.setText("not ok,tf4="+tf4.getText());
......
}...
..
我给出相关部分吧:
public class linkpont2 extends Applet implements ActionListener {
TextField tf4;
TextField tf6;
Button btn2;
public void init(){
tf4=new TextField(2);
tf6=new TextField(10);
btn2=new Button("get");
btn2.addActionListener(this);
add(tf4);
add(btn2);}
public void actionPerformed(ActionEvent e){
u=tf4.getText();//之前在tf4里输入e
for(i=0;i<=5;i++)
{if(tf4.getText()!="e")
tf6.setText("not ok,tf4="+tf4.getText());
......
}...
..
if(t.getText().equals("e")) //比较当前对象的值是否相等。
if(t.getText().equals()=="e")这样吗???