swiper默认最小高度150
要求：swiper高度自适应
wxml
<view class=' swiper'> <swiper indicator-dots=" {{indicatorDots}}" vertical=" {{vertical}}" autoplay=" {{autoplay}}"
duration=" {{duration}}" interval=' {{interval}}' bindchange=" bindchange" circular=" {{circular}}" style=" height:{{imgheights[current]}}rpx;"> <block wx: for='{{imgList}} ' wx:key="{{index}} "> <swiper-item> <image src=" {{item}}"
data-id=' {{index}}' class= "slide-image" mode="widthFix " bindload="imageLoad "/> </swiper-item> </block> </swiper> </view>
wxss
.swiper image { width: 100%; height: auto; }wxjs
data: { //图片地址 imgList: [' /images/wyh-img_bg.png', ' /images/wyh-img8.png', ' /images/wyh-img_shop1.png', ' /images/wyh-img_bg1.png'],
//是否采用衔接滑动 circular: true , //是否显示画板指示点 indicatorDots: false, //选中点的颜色 indicatorcolor: " #000", //是否竖直 vertical: false , //是否自动切换 autoplay: true, //自动切换的间隔 interval: 2500 , //滑动动画时长毫秒 duration: 100,//所有图片的高度 （必须） imgheights: [], //图片宽度 imgwidth: 750 , //默认 （必须） current: 0 }, imageLoad: function (e) {//获取图片真实宽度 var imgwidth = e.detail.width, imgheight = e.detail.height, //宽高比 ratio = imgwidth / imgheight; console.log(imgwidth, imgheight) //计算的高度值 var viewHeight = 750 / ratio; var imgheight = viewHeight; var imgheights = this.data.imgheights; //把每一张图片的对应的高度记录到数组里 imgheights[e.target.dataset.id] = imgheight; this.setData({ imgheights: imgheights }) }, bindchange: function (e) { // console.log(e.detail.current) this .setData({ current: e.detail.current }) },
