javascript - 无法在 javascript 中将缓冲区类型数组转换为图像
解决方案
您的data:URI 前缀表示数据将采用 Base64 编码（这对于data:URI 来说是正常的），但您的数据显然不是 Base64 编码的。
在将数据附加到 URL 之前，您需要对数据进行 Base64 编码。这个问题的答案告诉你如何做到这一点。
如果我们假设您实现了这些答案中的一种方法并调用函数base64encode，那么：
let imageURI = 'data:image/jpeg;base64,' + base64encode(data);
当然，我假设data对 JPEG 图像进行编码。
例如，如果您想使用该btoa方法：
function base64encode(data) {
return btoa(data.map(v => String.fromCharCode(v)).join(""));
}
现场示例：
function base64encode(data) {
return btoa(data.map(v => String.fromCharCode(v)).join(""));
}
const data = [
0xff, 0xd8, 0xff, 0xe0, 0x00, 0x10, 0x4a, 0x46, 0x49, 0x46, 0x00, 0x01, 0x01, 0x01, 0x00, 0x48,
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