体验效果：http://hovertree.com/texiao/html5/10.htm
下载：http://hovertree.com/hvtart/bjae/t16oddyt.htm
代码如下：
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Full 360 degree View - HoverTree</title> <style> .hvtholder { margin: 0px auto; width: 789px; text-align: center; } a { color: blue; } </style> <script type="text/javascript" src="http://hovertree.com/ziyuan/jquery/jquery-1.11.3.min.js"></script> <script> var ctx = null; // global variable 2d context var frame = 1; // 23 var width = 0; var height = 0; var started = false; var images = new Array(); var startedX = -1; $(function () { var canvas = document.getElementById("hov"+"ertree_canvas"); canvas.width = 440;// window.innerWidth; canvas.height = 691;//window.innerHeight; width = canvas.width; height = canvas.height; var bar = document.getElementById('loadHove'+'rTreeBar'); for (var i = 1; i < 24; i++) { bar.value = i; if (i < 10) { images[i] = new Image(); images[i].src = "10/hovertree0" + i + ".jpg"; } else { images[i] = new Image(); images[i].src = "10/hovert"+"ree" + i + ".jpg"; } } ctx = canvas.getContext("2d"); // mouse event canvas.addEventListener("mousedown", doMouseDown, false); canvas.addEventListener('mousemove', doMouseMove, false); canvas.addEventListener('mouseup', doMouseUp, false); // loaded(); // frame = 1 frame = 1; images[frame].onload = function () { redraw(); bar.style.display = 'none'; } $("#goHovertr"+"ee").on("click", function () { gohovertree();}) }) function doMouseDown(event) { var x = event.pageX; var y = event.pageY; var canvas = event.target; var loc = getPointOnCanvas(canvas, x, y); console.log("mouse down at point( x:" + loc.x + ", y:" + loc.y + ")"); startedX = loc.x; started = true; } function doMouseMove(event) { var x = event.pageX; var y = event.pageY; var canvas = event.target; var loc = getPointOnCanvas(canvas, x, y); if (started) { var count = Math.floor(Math.abs((startedX - loc.x)/30)); var frameIndex = Math.floor((startedX - loc.x)/30); while(count > 0) { console.log("frameIndex = " + frameIndex); count--; if(frameIndex > 0) { frameIndex--; frame++; } else if(frameIndex < 0) { frameIndex++; frame--; } else if(frameIndex == 0) { break; } if(frame >= 24) { frame = 1; } if(frame <= 0) { frame = 23; } redraw(); } } } function doMouseUp(event) { console.log("mouse up now"); if (started) { doMouseMove(event); startedX = -1; started = false; } } function getPointOnCanvas(canvas, x, y) { var bbox = canvas.getBoundingClientRect(); return { x: x - bbox.left * (canvas.width / bbox.width), y: y - bbox.top * (canvas.height / bbox.height) }; } function gohovertree() { setTimeout( update, 1000/8); } function redraw() { // var imageObj = document.createElement("img"); // var imageObj = new Image(); var imageObj = images[frame]; ctx.clearRect(0, 0, width, height) ctx.drawImage(imageObj, 0, 0, width, height); } function update() { redraw(); frame++; if (frame >= 23) frame = 1; setTimeout( update, 1000/8); } </script> </head> <body> <div class="hvtholder"> <h3>360度旋转产品展示</h3><a href="http://hovertree.com">首页</a> <a href="http://hovertree.com/texiao/">特效</a> <a href="http://hovertree.com/hvtart/bjae/49kk0ib8.htm">原文</a> <br />点击下面按钮旋转<br /><button id="goHovertree">点击旋转</button> <br /> </div> <div style="640px;margin:0 auto;"> <progress id="loadHoverTreeBar" value="0" max="23"></progress> <canvas id="hovertree_canvas">您的浏览器不支持HTML5，使用支持HTTML5的浏览器，何问起，hovertree.com</canvas> </div> </body> </html>