tk-mini-program/unpackage/dist/dev/mp-weixin/TUIKit/components/common/Loading/index.wxml

<view class="tui-loading data-v-b303d4e1" style="{{'width:' + a + ';' + ('height:' + b) + ';' + ('border:' + c) + ';' + ('border-top-color:' + 'transparent')}}"/>