验证图片地址。
0.0.1
isImageURL('https://ns-strategy.cdn.bcebos.com/ns-strategy/upload/fc_big_pic/part-00211-1923.jpg') // true Copy
isImageURL('https://ns-strategy.cdn.bcebos.com/ns-strategy/upload/fc_big_pic/part-00211-1923.jpg') // true
验证图片地址。