creator3.0版本base64转换图片问题

大佬们,creator3.0版本base64转换图片应该真么实现呢,在2.4版本的时候可以很简单的实现,但是到了3.0版本接口更新,之前的接口废弃了,3.0应该怎么实现呢?

参考一下
~/Creator/3.0.0/CocosCreator.app/Contents/Resources/resources/3d/engine/cocos/core/splash-screen.ts

你这发的是?

https://github.com/cocos-creator/engine/blob/v3.0.0/cocos/core/splash-screen.ts

试一下这个

let loadIcon = ‘data:image/png;base64,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’

    let image = new Image();
    image.onload = function(){
        let img = new ImageAsset(image)
        var texture = new Texture2D()
        texture.image = img
        let spriteFrame = new SpriteFrame()
        spriteFrame.texture = texture
        let s = sprite?.getComponent(Sprite)
        if(s != null)
        {
            s.spriteFrame =  spriteFrame
        }
    }
    image.src = loadIcon

这个是不是只能在web端使用呢?