swiper实现滑动放大缩小效果

 

wxml

<swiper class="swiper-block" bindchange="swiperChange" previous-margin="90rpx" next-margin="90rpx" current="0">

<block wx:for="{{imgUrls}}" wx:index="{{index}}">

<swiper-item class="swiper-item">

<image mode="aspectFill" src="{{item}}" class="slide-image {{currentIndex == index ? 'active' : ''}}" />

</swiper-item>

</block>

</swiper>

 

wxss

.swiper-block {

height: 480rpx;

width: 100%;

}

 

.swiper-item{

display: flex;

flex-direction: column;

justify-content: center;

align-items: flex-start;

overflow: unset;

}

 

.slide-image{

height: 320rpx;

width: 520rpx;

border-radius: 9rpx;

box-shadow: 0px 0px 30rpx rgba(0, 0, 0, 0.2);

margin: 0rpx 30rpx;

z-index: 1;

}

 

.active{

transform: scale(1.14);

transition: all .2s ease-in 0s;

z-index: 20;

}

 

js

Page({

data: {

currentIndex: 0,

imgUrls: [

'/image/b2.jpg',

'/image/b1.jpg',

'/image/b3.jpg'

]

},

swiperChange: function (e) {

this.setData({

currentIndex: e.detail.current

})

}

})