egg返回base64图片

//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';
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//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';