【黑科技】钉钉自动打卡

所需环境：
1、JDK
2、Android SDK
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.text.SimpleDateFormat;import java.util.Date;import java.util.Timer;import java.util.TimerTask;public class DDingAutoClock {    public static void main(String[] args) {        Timer timer = new Timer();        timer.schedule(new Task(), 60 * 1000);    }    static class Task extends TimerTask {        public void run() {            String str = getCurrentTime();            if(str.equals("08:00")){                System.out.println("定时任务执行");                //启动叮叮                try {                    execCommand("adb wait-for-device");                    execCommand("adb shell am start -n com.alibaba.android.rimet/com.alibaba.android.rimet.biz.SplashActivity");                } catch (IOException e) {                    // TODO Auto-generated catch block                    e.printStackTrace();                }            }        }    }    public static String getCurrentTime(){        SimpleDateFormat formatter   =   new   SimpleDateFormat   ("HH:mm");        Date curDate   =   new   Date(System.currentTimeMillis());//获取当前时间        String   str   =   formatter.format(curDate);        System.out.println(str);        return str;    }    public static void execCommand(String command) throws IOException {        // start the ls command running            //String[] args =  new String[]{"sh", "-c", command};        Runtime runtime = Runtime.getRuntime();          Process proc = runtime.exec(command);        //这句话就是shell与高级语言间的调用                                                     //如果有参数的话可以用另外一个被重载的exec方法        //实际上这样执行时启动了一个子进程,它没有父进程的控制台        //也就看不到输出,所以我们需要用输出流来得到shell执行后的输出        InputStream inputstream = proc.getInputStream();        InputStreamReader inputstreamreader = new InputStreamReader(inputstream);        BufferedReader bufferedreader = new BufferedReader(inputstreamreader);        // read the ls output        String line = "";        StringBuilder sb = new StringBuilder(line);        while ((line = bufferedreader.readLine()) != null) {            //System.out.println(line);                sb.append(line);                sb.append("\n");        }        //使用exec执行不会等执行成功以后才返回,它会立即返回        //所以在某些情况下是很要命的(比如复制文件的时候)        //使用wairFor()可以等待命令执行完成以后才返回        try {            if (proc.waitFor() != 0) {                System.out.println(proc.exitValue());            }        }        catch (InterruptedException e) {              System.err.println(e);        }    }}
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