文檔:https://www.zhihu.com/question/38648735
3.x : https://github.com/d3/d3/wiki/API--%E4%B8%AD%E6%96%87%E6%89%8B%E5%86%8C
4.x : https://github.com/d3/d3/blob/master/API.md#forces-d3-force
現在已經到5.x了
文檔:https://www.zhihu.com/question/38648735
3.x : https://github.com/d3/d3/wiki/API--%E4%B8%AD%E6%96%87%E6%89%8B%E5%86%8C
4.x : https://github.com/d3/d3/blob/master/API.md#forces-d3-force
現在已經到5.x了