初始化:
JComboBox jb = new JComboBox();
jb.addItem("1");
jb.addItem...
...
jb.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
.......
}
});我调用jb.setSelectedItem("1"),为什么jb的ActionListener也能听到?
如果我不想让它听到怎么办?(因为我只想改变jb的显示值而已)
难道我应该给jb add别的类型的Listener而不是ActionListener?具体?
JComboBox jb = new JComboBox();
jb.addItem("1");
jb.addItem...
...
jb.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
.......
}
});我调用jb.setSelectedItem("1"),为什么jb的ActionListener也能听到?
如果我不想让它听到怎么办?(因为我只想改变jb的显示值而已)
难道我应该给jb add别的类型的Listener而不是ActionListener?具体?
jb.putClientProperty(key,Boolean.valueOf(true));
jb.setSelectedItem("1");
jb.putClientProperty(key,Boolean.valueOf(false));
public void actionPerformed(ActionEvent e){
Boolean remoteProcess = (Boolean)(jComboBox1.getClientProperty(key));
if (!remoteProcess.booleanValue()) {
System.out.println("1");
} }这样不知道可以满足你的要求不
Anyway,thank you all the same!