使用Thumbnails包对图片添加水印效果 Thumbnails are ideally implemented on web pages as separate, smaller copies of the original image, in part because one purpose of a thumbnail image on a web page is to reduce bandwidth and download time. 。。。 Thumbnail@wiki 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19……
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