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in Technique[技术] by (71.8m points)

如何做图片响应请求?

URL获取图片如下:
http://localhost:7001/getFile/20201030/jpeg/LH4U0X42_1604047215470.jpeg
希望可以通过url打开或下载图片

后端除了设置ctx.set('content-type', 'image/jpeg');
返回体要怎么设?


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响应体就是图片的二进制内容啊,最好能直接sendfile,没有的话就用io读入图片内容然后直接写入响应就好


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
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