时间：2023-07-26 13:36:01 | 来源：网站运营
时间：2023-07-26 13:36:01 来源：网站运营
如何使用html+css+js实现3D相册：如何使用html+css+js实现3D相册
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<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Title</title> <style> html, body { margin: 0; padding: 0; background-color: #29454d; /*禁止文字被选中*/ -moz-user-select: none; /*火狐*/ -webkit-user-select: none; /*webkit浏览器*/ -ms-user-select: none; /*IE10*/ -khtml-user-select: none; /*早期浏览器*/ user-select: none; overflow: hidden; } .box { position: relative; height: 500px; width: 500px; margin: 100px auto; transform-style: preserve-3d; perspective: 2000px; } .di { position: absolute; left: 50%; top: 50%; height: 200px; width: 200px; transform: translate(-50%, -50%) rotatex(90deg); transform-style: preserve-3d; } .z { position: relative; height: 200px; width: 200px; border-radius: 50%; transform-style: preserve-3d; /*transform: rotatez(1deg);*/ } p { margin: 0; position: absolute; top: 0; /*为了保证圆心在父盒子中心，父盒子旋转时圆心稳定，所以设置left*/ left: 25px; height: 200px; width: 150px; border: 2px solid #fd7068; box-sizing: border-box; background-color: #ffffff; background-size: cover; background-position: center; background-repeat: no-repeat; /*opacity: .7;*/ font-size: 10px; line-height: 200px; text-align: center; /*box-shadow: 0 0 100px #16ff8b;*/ /*倒影，不兼容*/ -webkit-box-reflect: below 10px -webkit-linear-gradient(top, rgba(250, 250, 250, 0), rgba(250, 250, 250, .0) 30%, rgba(250, 250, 250, 0.5)); box-reflect: below 10px -webkit-linear-gradient(top, rgba(250, 250, 250, 0), rgba(250, 250, 250, .0) 30%, rgba(250, 250, 250, 0.5)); /*backface-visibility: hidden;*/ } </style> </head> <body> <div> <div> <div> <p>可以拖拽图片文件进来</p> <p>可以拖拽图片文件进来</p> <p>可以拖拽图片文件进来</p> <p>可以拖拽图片文件进来</p> <p>可以拖拽图片文件进来</p> <p>可以拖拽图片文件进来</p> <p>可以拖拽图片文件进来</p> <p>可以拖拽图片文件进来</p> <p>可以拖拽图片文件进来</p> <p>可以拖拽图片文件进来</p> <p>可以拖拽图片文件进来</p> <p>可以拖拽图片文件进来</p> </div> </div> </div> <script> window.onload = function () { setPs(); move(); drop(); } //给每个p标签设置位置 function setPs() { var ps = document.getElementsByTagName('p'); for (var i = 0; i < ps.length; i++) { ps[i].style.transform = 'rotatex(-90deg) rotatey(' + i * 30 + 'deg) translatez(400px)' } } //鼠标拖动旋转 function move() { var zBox = document.querySelector('.z'); var xBox = document.querySelector('.di'); //声明计算鼠标移动速度用的变量 var speedTimer = null; var speedX = 0; var speedY = 0; //声明记录旋转角度的两个变量 var xDegNow = 90; var zDegNow = 0; //声明变量记录要旋转的角度 var xDegDistance = 0; var zDegDistance = 0; //声明变量记录是否发生鼠标移动事件 var isMove = false; window.onmousedown = function (e) { //鼠标按下 //清除过渡属性 xBox.style.transition = ''; zBox.style.transition = ''; //记录按下的坐标以及计算速度的初始坐标 var xstart = e.clientX; var speedX_start = xstart; var ystart = e.clientY; var speedY_start = ystart; //记录用来计算速度的初始时间 var tstart = new Date().getTime(); var tnow = tstart; //设置计时器更新计算速度的当时时间 speedTimer = setInterval(function () { tnow = new Date().getTime(); },10) window.onmousemove = function (e) { //鼠标移动 isMove = true; //记录当时的坐标计算距离 var xnow = e.clientX; var ynow = e.clientY; var xDistance = xnow - xstart; var yDistance = ynow - ystart; //如果计时超过一定时间（10毫秒），计算速度 if (tnow - tstart >= 10) { //速度=（现在的坐标-初始坐标）/（现在时间-初始时间） speedX = (xnow - speedX_start) / (tnow - tstart); speedY = (ynow - speedY_start) / (tnow - tstart); //让初始时间和坐标等于现在的时间和坐标 tstart = tnow; speedX_start = xnow; speedY_start = ynow; } //把鼠标移动距离计算成角度后设置到页面上 zDegDistance = zDegNow - (xDistance / 10); zBox.style.transform = 'rotatez(' + zDegDistance + 'deg)'; xDegDistance = xDegNow - (yDistance / 10); xDegDistance = xDegDistance > 179 ? 179 : xDegDistance < 1 ? 1 : xDegDistance; xBox.style.transform = 'translate(-50%,-50%) rotatex(' + xDegDistance + 'deg)'; }; }; window.onmouseup = function (e) { //鼠标松开 //清除计时器 清除鼠标移动事件 clearTimeout(speedTimer); window.onmousemove = null; //判断如果发生移动 if (isMove) { //添加过渡属性 xBox.style.transition = 'all 0.5s ease-out'; zBox.style.transition = 'all 0.5s ease-out'; //根据速度计算目标角度，设置到页面上 zDegDistance = zDegDistance - (speedX * 10); zBox.style.transform = 'rotatez(' + zDegDistance + 'deg)'; xDegDistance = xDegDistance - (speedY * 10); xDegDistance = xDegDistance > 179 ? 179 : xDegDistance < 1 ? 1 : xDegDistance; xBox.style.transform = 'translate(-50%,-50%) rotatex(' + xDegDistance + 'deg)'; //记录当前角度的值更新 xDegNow = xDegDistance; zDegNow = zDegDistance; //用到的变量重置 isMove = false; speedX = 0; speedY = 0; xDegDistance = 0; zDegDistance = 0; } }; } //鼠标拖拽文件 function drop() { //取消鼠标拖拽文件进入窗口的默认行为 window.ondragover = function (e) { e.preventDefault(); } window.ondrop = function (e) { e.preventDefault(); } //添加拖拽到p标签的事件 var ps = document.getElementsByTagName('p'); for (var i = 0; i < ps.length; i++) { ps[i].index = i; ps[i].ondrop = function (e) { var w = new FileReader(); w.index = this.index; w.readAsDataURL(e.dataTransfer.files[0]); w.onload = function () { ps[this.index].style.backgroundImage = 'url(' + w.result + ')'; ps[this.index].innerHTML = ''; } } } } </script> </body> </html> 效果图：关键词：实现,相册,使用
