@tarojs/components/dist/collection/components/image/style/index.css

Taro 组件库

img[src=""] {
  opacity: 0;
}

taro-image-core {
  display: inline-block;
  overflow: hidden;
  position: relative;
  width: auto;
  height: auto;
  font-size: 0;
}

.taro-img.taro-img__widthfix {
  height: 100%;
}
.taro-img__mode-scaletofill {
  width: 100%;
  height: 100%;
}
.taro-img__mode-aspectfit {
  max-width: 100%;
  max-height: 100%;
}
.taro-img__mode-aspectfill {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.taro-img__mode-aspectfill--width {
  min-width: 100%;
  height: 100%;
}
.taro-img__mode-aspectfill--height {
  width: 100%;
  min-height: 100%;
}
.taro-img__mode-widthfix {
  width: 100%;
}
.taro-img__mode-heightfix {
  height: 100%;
}
.taro-img__mode-top {
  width: 100%;
}
.taro-img__mode-bottom {
  position: absolute;
  bottom: 0;
  width: 100%;
}
.taro-img__mode-left {
  height: 100%;
}
.taro-img__mode-right {
  position: absolute;
  right: 0;
  height: 100%;
}
.taro-img__mode-topright {
  position: absolute;
  right: 0;
}
.taro-img__mode-bottomleft {
  position: absolute;
  bottom: 0;
}
.taro-img__mode-bottomright {
  position: absolute;
  right: 0;
  bottom: 0;
}