Java防锁屏小程序代码实例

Java防锁屏小程序代码实例

为防止系统桌面自动锁屏，只需打成jar包，写个批处理程序start.bat，双击执行保持dos窗口执行即可，无其他影响。

程序设计为每30秒动一次鼠标，可根据需要调整。

附代码：

package main;

import java.awt.AWTException;

import java.awt.Dimension;

import java.awt.MouseInfo;

import java.awt.Point;

import java.awt.PointerInfo;

import java.awt.Robot;

import java.awt.Toolkit;

public class Main {

public static void main(String[] args) {

Robot robot = null;

try {

robot = new Robot();

} catch (AWTException e1) {

e1.printStackTrace();

}

Point pos = MouseInfo.getPointerInfo().getLocation();

int last_x = pos.x;

int last_y = pos.y;

int mov = 1;

Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();

System.out.println("Screen size: " + screenSize.getWidth() + "*" + screenSize.getHeight());

while (true) {

System.out.println(pos.x + " " + pos.y);

PointerInfo pos_info = MouseInfo.getPointerInfo();

if (pos_info == null) {

System.out.println("Get location fail!");

try {

Thread.sleep(30000L);

} catch (InterruptedException e) {

e.printStackTrace();

}

} else {

pos = pos_info.getLocation();

if ((pos.x == last_x) && (pos.y == last_y)) {

System.out.println("moving!");

if (pos.y <= 0) {

mov = 1;

}

if (pos.y > 0) {

mov = -1;

}

robot.mouseMove(pos.x, pos.y + mov);

robot.mouseMove(pos.x, pos.y);

}

pos_info = MouseInfo.getPointerInfo();

if (pos_info == null) {

System.out.println("Get location fail!");

try {

Thread.sleep(30000L);

} catch (InterruptedException e) {

e.printStackTrace();

}

} else {

pos = pos_info.getLocation();

last_x = pos.x;

last_y = pos.y;

try {

Thread.sleep(30000L);

} catch (InterruptedException e) {

e.printStackTrace();

}

}

}

}

}

}

将这个Main类打成jar包，此处jar包名为MouseMove.jar；与jahttp://r包同目录位置写个.bat类型文件，文件内容如下：

@echo off

java -jar MouseMove.jar

双击执行即可。

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