加载效果

1.className: ball-pulse

2.className:ball-clip-rotate

3.className:ball-clip-rotate-pluse

4.className:square-spin

5.className:ball-triangle-path

6.className: line-scale-pulse-out

7.className: ball-scale-multiple

8.className: ball-spin-fade-loader

9.className:line-spin-fade-loader