<!--pages/test/test.wxml-->
<!-- 组件 -->
<swiper>
 <swiper-item wx:for="{{imgUrls}}">
  <image src='{{item}}' width="335" height="150" mode='widthFix' class='img' />
 </swiper-item>
</swiper>

Page({
 data: {
  imgUrls:[
   'https://gss0.baidu.com/9fo3dSag_xI4khGko9WTAnF6hhy/zhidao/wh%3D600%2C800/sign=8b20fba45e6034a829b7b087fb23656c/14ce36d3d539b60028f67d12eb50352ac65cb75e.jpg',
   'https://gss0.baidu.com/9vo3dSag_xI4khGko9WTAnF6hhy/zhidao/wh%3D600%2C800/sign=3386e39a49fbfbeddc0c3e7948c0db0e/32fa828ba61ea8d3943606a1950a304e251f587a.jpg',
   'http://img04.sogoucdn.com/app/a/100520093/ca86e620b9e623ff-d72d635343d5bade-dcf2acda7a45cb44f172db138bdf8d2d.jpg',
  ]
 },
 //事件处理函数
 toupper:function(){
  console.log("触发了toupper");
 }
})

.img{
 width: 100%;
}