javascript - 微信小程序开发之临时路径图片转base64编码问题

Question

Answer 1

var uploadImage = this.data.imageList[0]
var reader = new FileReader()
reader.onload = function (e) {
      var arrayBuffer = reader.result;
      var base64 = wx.arrayBufferToBase64(arrayBuffer)
}
reader.readAsArrayBuffer(new Blob(this.data.imageList))