微信小程序轮播图中间变大_微信小程序：轮播图中间大两边小、中间高亮显示...

效果展示：

test.wxml:

previous-margin='50' next-margin='50' autoplay='true' interval='2000'>

{{ item.text }}

test.wxss:

swiper{

height: 200px;

}

.optionBox {

width: 100%;

height: 90%;

}

.optionBox image {

width: 100%;

height: 100%;

}

.swiperText {

width: 100%;

height: 25px;

text-align: center;

font-family: bariol_bold;

font-size: 0.5em;

color: #4a4a4a;

}

.mask {

width: 100%;

height: 100%;

background-color: rgba(255, 255, 255, .5);

position: absolute;

left: 0;

top: 0;

}

.perch {

width: 100%;

height: 100%;

}

test.js:

// text/text.js

Page({

/**

* 页面的初始数据

*/

data: {

imgInfoArrLength: 0, // 轮播图列表的长度

centerItem: 0, // 居中项的位置

imgInfoArr: [

{

src: 'https://qidian.qpic.cn/qidian_common/349573/16af4f9cfd8b15a6cea1df7eea361a91/0',

text: '测试数据',

id: 0

},

{

src: 'https://qidian.qpic.cn/qidian_common/349573/e1f9f863e6f8fe99c9002e88eb96326b/0',

text: '测试数据',

id: 1

},

{

src: 'https://qidian.qpic.cn/qidian_common/349573/6805566e37fae69d0be5677f5367889a/0',

text: '测试数据',

id: 2

},

{

src: 'https://ss..net/p?https://mmbiz.qpic.cn/mmbiz_png/BnSNEaficFAbJfLOWW20jLyVL68E32lCc9JE57rVYUqicOAKCFrYXVXofexRdaCibq0J3SuJuibdszBibZOTGIiaicPKw/640?wx_fmt=png',

text: '测试数据',

id: 3

},

{

src: 'https://ss..net/p?https://mmbiz.qpic.cn/mmbiz_gif/BnSNEaficFAbJfLOWW20jLyVL68E32lCc4oPRHTMUvsxSkadf7oRytn7aZToR8oMkWJbZ6Qq7F99ibIBE7PFD6Ag/640?wx_fmt=gif',

text: '测试数据',

id: 4

},

{

src: 'https://ss..net/p?https://mmbiz.qpic.cn/mmbiz_png/BnSNEaficFAbJfLOWW20jLyVL68E32lCcicCUo1ZoUIA4YBM9gezJOaZrJxumnaOYqlgP4bnibpuvzw0AVZ7viaIwg/640?wx_fmt=png',

text: '测试数据',

id: 5

},

{

src: 'https://ss..net/p?https://mmbiz.qpic.cn/mmbiz_png/BnSNEaficFAbJfLOWW20jLyVL68E32lCccUNarh5lcPuQwtGUniaS1F8b8Mmu9jOhmVF5nIWISeegdV0Kiarbg1OA/640?wx_fmt=png',

text: '测试数据',

id: 6

}

],

},

/**

* 生命周期函数--监听页面加载

*/

onLoad: function (options) {

var len = this.data.imgInfoArr.length;

var center = parseInt(len/2);

this.setData({

imgInfoArrLength: len,

centerItem: center

})

},

changeFun(e) {

this.setData({

centerItem: e.detail.current,

})

}

})