public ActionForward portCom(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
PortForm portForm = (PortForm) form;
String portName = portForm.getPortName();
String rate = portForm.getRate();
/**//* 实例化接收串口数据的窗体类 */
R_Frame R_win=new R_Frame(portName,rate);
/**//* 定义窗体适配器的关闭按钮功能 */
R_win.addWindowListener(new WindowAdapter()
{public void windowClosing(WindowEvent e)
{System.exit(0); }
});
R_win.pack();
return null;
}下面是R_Frame的类_Frame()
{
super("串口接收数据");
setSize(200,200);
setVisible(true);
btnOpen.addActionListener(this);
add(out_message,"South");
add(in_message,"Center");
add(btnOpen,"North");
} //R_Frame() end /**//*点击按扭所触发的事件:打开串口,并监听串口. */
public void actionPerformed(ActionEvent event)
{
/**//*获取系统中所有的通讯端口 */
portList=CommPortIdentifier.getPortIdentifiers();
/**//* 用循环结构找出串口 */
while (portList.hasMoreElements()){
/**//*强制转换为通讯端口类型*/
portId=(CommPortIdentifier)portList.nextElement();
if(portId.getPortType() == CommPortIdentifier.PORT_SERIAL){
if (portId.getName().equals("COM1")) {
try {
serialPort = (SerialPort) portId.open("ReadComm", 2000);
out_message.setText("已打开端口COM1 ,正在接收数据..... ");
}
catch (PortInUseException e) { }
看到那句红色的代码吗,我要把里面的"COM1"改成portName这个参数该怎么办,谁教下
HttpServletRequest request, HttpServletResponse response) {
PortForm portForm = (PortForm) form;
String portName = portForm.getPortName();
String rate = portForm.getRate();
/**//* 实例化接收串口数据的窗体类 */
R_Frame R_win=new R_Frame(portName,rate);
/**//* 定义窗体适配器的关闭按钮功能 */
R_win.addWindowListener(new WindowAdapter()
{public void windowClosing(WindowEvent e)
{System.exit(0); }
});
R_win.pack();
return null;
}下面是R_Frame的类_Frame()
{
super("串口接收数据");
setSize(200,200);
setVisible(true);
btnOpen.addActionListener(this);
add(out_message,"South");
add(in_message,"Center");
add(btnOpen,"North");
} //R_Frame() end /**//*点击按扭所触发的事件:打开串口,并监听串口. */
public void actionPerformed(ActionEvent event)
{
/**//*获取系统中所有的通讯端口 */
portList=CommPortIdentifier.getPortIdentifiers();
/**//* 用循环结构找出串口 */
while (portList.hasMoreElements()){
/**//*强制转换为通讯端口类型*/
portId=(CommPortIdentifier)portList.nextElement();
if(portId.getPortType() == CommPortIdentifier.PORT_SERIAL){
if (portId.getName().equals("COM1")) {
try {
serialPort = (SerialPort) portId.open("ReadComm", 2000);
out_message.setText("已打开端口COM1 ,正在接收数据..... ");
}
catch (PortInUseException e) { }
看到那句红色的代码吗,我要把里面的"COM1"改成portName这个参数该怎么办,谁教下
String rate = portForm.getRate();这2个参数到Frame类里面啊``