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jar包同目录位置写个.bat类型文件，文件内容如下：
@echo offjava -jar MouseMove.jar
双击执行即可。
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本文标题: Java防锁屏小程序代码实例
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