image

官网图片：https://echarts.apache.org/zh/option.html#graphic.elements-image

const imageObj = {
  id: 'image_id',
  type: 'image',
  style: {
    image: 'bg.png',
    x: 20,
    y: 20,
    width: 600,
    height: 400
  },
  z: 100
};