小程序版权标签

<view>
  <text class='copyright'>Copyright (c) 2019 龙城山大</text>
</view>

 css

.copyright{
  font-size: 20rpx;
  color: #999999;
  position: fixed;
  text-align: center;
  bottom: 30rpx;
  left: 0;
  right: 0;
}

效果