默认样式的进度条
60% Complete
60%
带有提示标签的进度条
0%
2%
根据情境变化效果
40%
20%
60%
80%
条纹效果
40%
20%
60%
80%
动画效果
45% Complete
堆叠效果
35% Complete (success)
20% Complete (warning)
10% Complete (danger)