使用 Canvas 以及日期对象等知识制作风景时钟效果: html5代码如下: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>风景时钟</title> <style> div { width: 600px; height: 600px; background-color: black; margin: auto; } #clock { margin: 0 auto; display: block; } </style> </head> <body> <div> <canvas id="clock" width="600" height="600"> </canvas> </div> <script src="js/index.js"></script> </body> </html> js代码如下: /**@type {HTMLCanvasElement} */ var colck = document.getElementById("clock"); var ctx = colck.getContext("2d"); var img = new Image(); window.onload = function () { img.src = "./img/clock.jpg"; img.onload = function