【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)));}}