loadDragonBones 方法参考上一篇加载龙骨的文章 【美年达的开发日记】龙骨操作 - 从bundle加载龙骨
替换Node上的龙骨实现换人物模型
async function replaceBones(node:cc.Node,bonesName:string,armatureName?:string){
let armatureDisplay = node.getComponent(dragonBones.ArmatureDisplay);
let ret = await loadDragonBones(bonesName);
node.removeComponent(armatureDisplay);
armatureDisplay = node.addComponent(dragonBones.ArmatureDisplay);
armatureDisplay.dragonAsset = ret.dragonAsset;
armatureDisplay.dragonAtlasAsset = ret.dragonAtlasAsset;
armatureName=armatureName||bonesName;
armatureDisplay.armatureName=armatureName;
return armatureDisplay;
}