更新时间:2023-02-23 19:30:58
只需将图像保存为临时文件:
Just save the image as a temporary file:
myurl <- "http://upload.wikimedia.org/wikipedia/commons/9/95/Apollonian_spheres.jpg"
z <- tempfile()
download.file(myurl,z,mode="wb")
pic <- readJPEG(z)
file.remove(z) # cleanup