【随笔】java 虚拟按键

import java.awt.Robot;
import java.io.IOException;
import java.lang.reflect.Field;
public class TestServer {
Class<?> key;
Robot ro;
{//非静态块用于初始化类类的非静态成员
try {
key = Class.forName("java.awt.event.KeyEvent");
ro = new Robot();
}
catch (Exception e) {}
}

/**
* @param args
* @throws IOException
*/
public static void main(String[] args) throws Exception {
TestServer ts = new TestServer();
Thread.sleep(2000);
ts.pressLots("testwderetestwderewwer123wwer123");
}

/**
* singleKey
* @param k singleKey
* @throws Exception
*/
private void singleKeyPress (String k) throws Exception{
Field fi = key.getField("VK_" + k.toUpperCase());
ro.keyPress(fi.getInt(null));
ro.keyRelease(fi.getInt(null));
}

/**
* string print
* @param arg
*/
private void pressLots (String ... arg) throws Exception {
int iat = -1;
while (iat++ < arg[0].length()-1)
singleKeyPress(String.valueOf(arg[0].charAt(iat)));
}
}