egg返回base64图片

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发布于 2020-09-03 14:55:24 1848 次浏览

 //去掉base64的头部分, 转成buffer
    const base64 = 'iVBORw0KGgo...==';
    const imageBufferData = Buffer.from(base64, 'base64');
    ctx.body = imageBufferData;
    ctx.response.type = 'image/png';