微信小程序图片占满全屏幕 <view class='bg'> <image src='../assets/bg.png' class='full'></image> </view> /* 给盒子添加绝对定位,让图片占满全屏幕 */ .bg { 100%; height: 100%; position: absolute; z-index: -99999; } .bg image { 100%; height: 100%; }