案例内资源下载:https://www.makeapie.cn/资源地址
const sourceData = [{"id":"1470876252852527106","parentId":"0","children":[{"id":"1470876252852527107","parentId":"1470876252852527106","children":[{"id":"1470876252852527108","parentId":"1470876252852527107","children":[],"nodeName":""},{"id":"1470876252852527109","parentId":"1470876252852527107","children":[],"nodeName":""}],"nodeName":""},{"id":"1470876252852527110","parentId":"1470876252852527106","children":[{"id":"1470876252852527111","parentId":"1470876252852527110","children":[],"nodeName":""},{"id":"1470876252852527112","parentId":"1470876252852527110","children":[],"nodeName":"RAI"},{"id":"1470876252852527113","parentId":"1470876252852527110","children":[],"nodeName":"线"},{"id":"1470876252852527114","parentId":"1470876252852527110","children":[],"nodeName":""}],"nodeName":""}],"nodeName":""},{"id":"1470876252852527115","parentId":"0","children":[{"id":"1470876252852527116","parentId":"1470876252852527115","children":[{"id":"1470876252852527117","parentId":"1470876252852527116","children":[],"nodeName":""},{"id":"1470876252852527118","parentId":"1470876252852527116","children":[],"nodeName":""}],"nodeName":""},{"id":"1470876252852527119","parentId":"1470876252852527115","children":[{"id":"1470876252852527120","parentId":"1470876252852527119","children":[],"nodeName":""},{"id":"1470876252852527121","parentId":"1470876252852527119","children":[],"nodeName":""},{"id":"1470876252852527122","parentId":"1470876252852527119","children":[],"nodeName":""}],"nodeName":""},{"id":"1470876252852527123","parentId":"1470876252852527115","children":[],"nodeName":""}],"nodeName":""},{"id":"1470876252852527124","parentId":"0","children":[],"nodeName":""}]
const gapDeg = 3
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运行版本:^5.2.2 Tips:如不显示可切换版本试试
Console调试
 Console调试