本质为 buffer 转 base64
let bytes = new Uint8Array(imageBuffer.data);
let data = "";
let len = bytes.byteLength;
for (let i = 0; i < len; i++) {
data += String.fromCharCode(bytes[i]);
}
iimage.src = "data:image/png;base64," + window.btoa(data);
来源: http://www.bubuko.com/infodetail-2470899.html