这篇文章给大家介绍如何在微信小程序中实现一个3D轮播图效果，内容非常详细，感兴趣的小伙伴们可以参考借鉴，希望对大家能有所帮助。
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index.html
rotate.wxml
index.css:
.stage{
perspective: 3000rpx;
perspective-origin: 50% 50%;
border: 2rpx solid rgba(0, 0, 0, 0.5);
padding: 20rpx 28rpx;
background: rgba(255, 255, 255,0.8);
height: 520rpx;
}
.wrapper{
height:480rpx;
margin-top: 20rpx;
transform-style: preserve-3d;
position: relative;
}
.imgBasic{
position: absolute;
width:480rpx;
height:480rpx;
border-radius:10rpx;
border: 7rpx solid #fff;
}
image:nth-child(1){
-webkit-transform: rotateY(0deg);
transform: rotateY(0deg);
}
image:nth-child(2){
left: 260rpx;
}
image:nth-child(3){
left: 320rpx;
}
image:nth-child(4){
left: 380rpx;
}
.fold{
transform: rotateY(-80deg) scale3d(1,0.85,1) translateZ(-10%);
-webkit-transform: rotateY(-80deg) scale3d(1,0.85,1);
background: rgba(255, 255, 255,0.8);
}
.swiper-con{
height: 520rpx;
}
.scrollCon{
display: flex;
flex-direction: row;
justify-content: flex-start;
align-items: center;
flex-wrap: nowrap;
background: red;
}
.itemParent{
position: relative;
width: 100%;
height: 1000rpx;
}
.item{
width: 100rpx;
float: left;
height: 100rpx;
}
.item-con{
height:500rpx;
}
swiper-item{
width:480rpx;
height:480rpx;
}
.idx-content {
perspective: 1500;
}
.idx-content .idx-swiper {
position: relative;
margin: 40rpx 0;
padding-bottom: 100%;
transform-style: preserve-3d;
}
.idx-content .idx-swiper .idx-cswp {
width: 70%;
height: 100%;
position: absolute;
transform-style: preserve-3d;
top: 0;
border-radius: 6px;
}
.idx-content .idx-swiper .idx-cswp image {
width: 100%;
max-height: 600rpx;
}
.idx-content .idx-swiper .idx-cswp .swp-title .swp-btime {
text-align: center;
font-size: 28rpx;
}
.idx-content .idx-swiper .idx-cswp .swp-title .swp-bname {
text-align: center;
font-size: 24rpx;
}
/*
右边的图片展开动画效果
*/
@keyframes rotateImage{
from{
transform:rotateY(-80deg);
-webkit-transform:rotateY(-80deg);
left: 250rpx;
}
to{
transform: rotateY(0deg) scale3d(1,1,1);
-webkit-transform: rotateY(0deg) scale3d(1,1,1);
left: 0rpx;
}
}
@keyframes backRotateImage{
from{
transform: roateteY(0deg) scale3d(1,1,1);
-webkit-animation: rotateY(0deg) scale3d(1,1,1);
filter: contrast(100%) brightness(100%);
}
to{
transform: rotateY(280deg) scale3d(1,0.85,1);
-webkit-animation: rotateY(280deg) scale3d(1,0.85,1);
left: 210rpx;
}
}
@keyframes leftMoveAnimation{
from{
/* transform:translateX(-300rpx); */
/* left: 260rpx; */
}to{
transform:translateX(-40%) scale3d(1,0.85,1) rotateY(-80deg);
-webkit-transform:translateX(-40%) scale3d(1,0.85,1) rotateY(-80deg);
}
}
@keyframes leftMove2Animation{
from{
}to{
transform:translateX(-35%) scale3d(1,0.85,1) rotateY(-80deg);
-webkit-transform:translateX(-35%) scale3d(1,0.85,1) rotateY(-80deg);
}
}
/*
功能介绍：向左边展开，放大，位移操作
*/
.swp-left {
animation: rotateImage 1s normal;
-webkit-animation: rotateImage 1s normal;
animation-iteration-count:1;
animation-fill-mode: forwards;
transform-origin: right;
backface-visibility: hidden;
}
/*
功能介绍：单独从左侧位移到屏幕的最后侧位置并且播放折叠动画
*/
.swp-right {
animation: backRotateImage 1s normal;
-webkit-animation: backRotateImage 1s normal;
animation-iteration-count:1;
animation-fill-mode: forwards;
transform-origin: right;
backface-visibility: hidden;
}
/*
右边的动画依次向左移动，放大，旋转操作
*/
.move-left1{
transform:rotateY(-80deg) scale3d(1,0.85,1);
animation: leftMoveAnimation 1s normal;
-webkit-animation: leftMoveAnimation 1s normal;
animation-iteration-count:1;
animation-fill-mode: forwards;
transform-origin: right;
backface-visibility: hidden;
}
.move-left2{
transform:rotateY(-80deg) scale3d(1,0.85,1);
animation: leftMove2Animation 1s normal;
-webkit-animation: leftMove2Animation 1s normal;
animation-iteration-count:1;
animation-fill-mode: forwards;
transform-origin: right;
backface-visibility: hidden;
}
.dots{
display: flex;
flex-wrap: nowrap;
align-items: center;
justify-content: center;
margin: 0 8rpx;
position: absolute;
left: 0rpx;
right: 0rpx;
bottom: 15rpx;
}
.dot{
margin: 0 8rpx;
height: 15rpx;
width: 15rpx;
background: #da91f5;
border-radius: 15rpx;
}
.active{
width: 40rpx;
height: 15rpx;
border-radius: 15rpx;
}控制层index.js:
// pages/lck/testJing/perfact.js
let app = getApp();
Page({
/**
* 页面的初始数据
*/
data: {
host: app.host,
dkheight: 300,
dkcontent: `你好
nihao,
这个是测试
你同意了吗
hehen你好啊，我加粗了kk
asdfasdfasd
`,
typeValue: null,
showRightToast: false,
changeImg: false,
show: true,
swiperList: [
{
index: 0,
aurl: "../start/start",
swpClass: "swp-left",
active: false,
imgsrc: "../../resources/test.png",
},
{
index: 1,
aurl: "#",
swpClass: "swp-right",
active: false,
imgsrc: "../../resources/800.jpg"
},
{
index: 2,
aurl: "#",
swpClass: "swp-right",
active: false,
imgsrc: "../../resources/900.jpg"
},
{
index: 3,
aurl: "#",
swpClass: "swp-right",
active: false,
imgsrc: "../../resources/1000.jpg"
}],
played: false,
//滑动触点开始的时候
startPoint: 0,
currentImageIndex: 0
},
/**
* 生命周期函数--监听页面加载
*/
onLoad: function (options) {
this.data.typeValue = {};
this.data.typeValue.size = 'M';
this.data.typeValue.color = 'red';
console.log("typeValue is ", this.data.typeValue);
this.setData({
typeValue: this.data.typeValue
})
let winPage = this;
wx.getSystemInfo({
success: function (res) {
let winHeight = res.windowHeight;
console.log(winHeight);
winPage.setData({
dkheight: winHeight - winHeight * 0.05 - 80
})
}
})
wxParse.wxParse('dkcontent', 'html', this.data.dkcontent, this, 5);
},
/**
* 生命周期函数--监听页面初次渲染完成
*/
onReady: function () {
},
/**
* 生命周期函数--监听页面显示
*/
onShow: function () {
// wx.hideLoading();
},
/**
* 生命周期函数--监听页面隐藏
*/
onHide: function () {
},
/**
* 生命周期函数--监听页面卸载
*/
onUnload: function () {
},
/**
* 页面相关事件处理函数--监听用户下拉动作
*/
onPullDownRefresh: function () {
},
/**
* 页面上拉触底事件的处理函数
*/
onReachBottom: function () {
},
/**
* 用户点击右上角分享
*/
onShareAppMessage: function () {
},
previewImage: function (e) {
var that = this,
//获取当前图片的下表
index = e.currentTarget.dataset.index,
//数据源
pictures = this.data.pictures;
wx.previewImage({
//当前显示下表
current: pictures[index],
//数据源
urls: pictures
})
},
onShareAppMessage: function (ops) {
},
show: function (event) {
this.setData({
show: true
})
},
back: function () {
this.setData({
show: false
})
},
//显示求换按钮
swpBtn: function (event) {
let swp = this.data.swiperList;
let max = swp.length;
let dataSet = event.currentTarget.dataset;
let idx = dataSet.index;
console.log("idx is ", idx);
let prev = swp[idx - 1];
let curView = swp[idx];
let next = swp[idx + 1];
console.log("prev is ", prev);
console.log("curView is ", curView);
for (let j = 0; j < max; j++) {
swp[j].active = true;
}
if (idx == 1 && prev && next) {
prev.swpClass = 'swp-right';
curView.swpClass = 'swp-left';
console.log("curView.index is ", curView.index);
for (let i = 2; i < max; i++) {
if (i === 2) {
swp[i].swpClass = 'move-left1';
} else if (i === 3) {
swp[i].swpClass = 'move-left2';
}
}
let self = this;
this.setData({
swiperList: swp
}, () => {
console.log("外层的setData被调用");
//将数组中的第一个元素删除放到最后的位置
let first = swp.shift();
swp.push(first);
console.log("swp is ", swp);
self.data.swiperList = swp;
self.setData({
swiperList: swp
}, () => {
console.log("最内层的setData被调用");
})
})
}
},
start: function (e) {
console.log("e is ", e);
this.data.startPoint = e.changedTouches[0].pageX;
console.log("startPoint is ", this.data.startPoint);
},
end: function (e) {
let isLeft = false;
let isRight = false;
console.log("e is ", e);
console.log("endPoint is ", e.changedTouches[0].pageX);
let endPoint = e.changedTouches[0].pageX;
console.log("是否向左移动？", (endPoint - this.data.startPoint) < 0 ? (isLeft = true) : (isRight = true));
console.log("isLeft is ", isLeft);
console.log("isRight is ", isRight);
//如果向左移动的话执行相应方法
if (isLeft) {
this.moveLeft(1);
} else {
// this.moveRight();
}
},
moveLeft: function (idx) {
if (idx === 1) {
let swp = this.data.swiperList;
let max = swp.length;
let prev = swp[idx - 1];
let curView = swp[1];
let next = swp[idx + 1];
console.log("prev is ", prev);
console.log("curView is ", curView);
for (let j = 0; j < max; j++) {
swp[j].active = true;
}
if (prev && next) {
prev.swpClass = 'swp-right';
curView.swpClass = 'swp-left';
console.log("curView.index is ", curView.index);
// this.data.currentImageIndex = curView.index;
this.setData({
currentImageIndex: curView.index
})
for (let i = 2; i < max; i++) {
if (i === 2) {
swp[i].swpClass = 'move-left1';
} else if (i === 3) {
swp[i].swpClass = 'move-left2';
}
}
let self = this;
this.setData({
swiperList: swp
}, () => {
console.log("外层的setData被调用");
//将数组中的第一个元素删除放到最后的位置
let first = swp.shift();
swp.push(first);
console.log("swp is ", swp);
self.data.swiperList = swp;
self.setData({
swiperList: swp
}, () => {
console.log("最内层的setData被调用");
})
})
}
}
},
icon: function (e) {
console.log("e is ", e);
}
})关于如何在微信小程序中实现一个3D轮播图效果就分享到这里了，希望以上内容可以对大家有一定的帮助，可以学到更多知识。如果觉得文章不错，可以把它分享出去让更多的人看到。
本文标题：如何在微信小程序中实现一个3D轮播图效果
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http://bjjierui.cn/article/jpisde.html
