SOURCE

function downFileBlob (src) {
  return new Promise((resolve, reject) => {
    var xhr = new XMLHttpRequest()
    xhr.open('GET', src)
    xhr.responseType = 'blob' // 二进制文件
    xhr.onload = function () {
      var blob = this.response
      resolve(blob)
    }
    xhr.send()
  })
}


 downFileBlob('https://vgopano.obs.cn-east-2.myhuaweicloud.com/cmppano/e5c39d46-3865-41f8-96e6-d9a09e2947a7.jpg')
 .then(blob => {
  let img = document.createElement('img')
  img.src =  URL.createObjectURL(blob)
    document.body.appendChild(img)
 })
  console.log(blob)
  // return new Promise((resolve, reject) => {
  //   let img = document.createElement('img')
  //   img.onload = () => {
  //     console.log(img.width,img.heights)
  //     // console.log(new THREE.Texture(img))
  //     resolve(new THREE.Texture(img))
  //   }
  //   img.src = url
  // })