直接输入json，生成动画，这是动态加载的更加直观的演示。
width
height
{ "tagName": "$rect", "props": { "style": { "position": "absolute", "left": 0, "top": 0, "width": 100, "height": 100, "strokeWidth": 0, "fill": "#F00" } }, "animate": [{ "value": [ { "transform": "translateX(0)", "easing": "easeIn" }, { "transform": "translateX(200px)" } ], "options": { "duration": 5000, "fill": "forwards" } }, { "value": [ { "top": 0, "easing": "easeOut" }, { "top": 100 } ], "options": { "duration": 5000, "fill": "forwards" } }] }