{"id":920,"date":"2021-04-30T11:32:08","date_gmt":"2021-04-30T03:32:08","guid":{"rendered":"http:\/\/refusea.com\/?p=920"},"modified":"2021-04-30T11:32:08","modified_gmt":"2021-04-30T03:32:08","slug":"pillow-%e7%94%9f%e6%88%90%e7%bc%a9%e7%95%a5%e5%9b%be%e7%9a%84%e5%b0%ba%e5%af%b8%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/refusea.com\/?p=920","title":{"rendered":"pillow \u751f\u6210\u7f29\u7565\u56fe\u7684\u5c3a\u5bf8\u95ee\u9898"},"content":{"rendered":"

\u80cc\u666f<\/h2>\n

\u6700\u8fd1\u7528 pillow \u7ed9\u56fe\u7247\u751f\u6210\u7f29\u7565\u56fe\uff0c\u8fd9\u6837\u5728\u5217\u8868\u5c55\u793a\u56fe\u7247\u65f6\u53ef\u4ee5\u8282\u7701\u4e9b\u6d41\u91cf\uff0c\u7ed3\u679c\u53d1\u73b0\u6709\u5c11\u91cf\u56fe\u7247\u7684\u7f29\u7565\u56fe\u5728\u7279\u5b9a\u7684\u6837\u5f0f\u4e0b\uff0c\u6709\u4e9b\u53d8\u5f62<\/p>\n

pillow \u751f\u6210\u7f29\u7565\u56fe<\/h2>\n

pillow \u751f\u6210\u7f29\u7565\u56fe\u5f88\u7b80\u5355\uff0c\u53ea\u9700\u8981 2 \u4e2a\u53c2\u6570\uff1a\u539f\u59cb\u56fe\u7247\u548c\u7f29\u7565\u56fe\u7684\u5c3a\u5bf8(\u5bbd\u5ea6\u548c\u9ad8\u5ea6)\uff0c\u5982\u4e0b\u4f8b<\/p>\n

def thumbnail(content: bytes, size: tuple) -> bytes:\n    """\u751f\u6210\u7f29\u7565\u56fe\u5e76\u8fd4\u56de\u4e8c\u8fdb\u5236\u6570\u7ec4"""\n    with Image.open(BytesIO(content)) as image:\n        image.thumbnail(size)\n        bio = BytesIO()\n        image.save(bio, format='JPEG')\n        return bio.getvalue()<\/code><\/pre>\n
\u6211\u7684\u5217\u8868\u9875\u56fe\u7247\u6837\u5f0f\u662f\u56fa\u5b9a\u5bbd\u5ea6\uff0c\u9ad8\u5ea6\u53ef\u53d8\u4f46\u6709\u6700\u5927\u503c<\/p>\n
{width: 280px;max-height: 360px;}<\/code><\/pre>\n
\u6240\u4ee5\u751f\u6210\u7f29\u7565\u56fe\u65f6\u4f20\u5165\u7684 size=(280, 420)<\/code>\uff0c\u5f53\u65f6\u4e5f\u7591\u60d1\u8fc7\uff0c\u5982\u679c\u539f\u59cb\u56fe\u7247\u6bd4\u4f8b\u4e0d\u662f 280*420<\/code>\uff0c\u4f1a\u751f\u6210\u4ec0\u4e48\u5c3a\u5bf8\u7684\u7f29\u7565\u56fe\u5462\uff1f<\/p>\n
\u7ecf\u8fc7\u5b9e\u9a8c\u53d1\u73b0\uff0c\u5982\u679c\u539f\u59cb\u56fe\u7247\u7684\u6bd4\u4f8b\u548c\u7f29\u7565\u56fe\u5c3a\u5bf8\u4e0d\u4e00\u81f4\uff0c\u7f29\u7565\u56fe\u4f1a\u6ee1\u8db3\u5bbd\u5ea6\u6216\u8005\u9ad8\u5ea6\u4e4b\u4e00\uff0c\u4f46\u65e0\u6cd5\u540c\u65f6\u6ee1\u8db3<\/p>\n
    \n
  • \u5148\u6ee1\u8db3\u5bbd\u5ea6\uff0c\u7136\u540e\u7b49\u6bd4\u4f8b\u8ba1\u7b97\u51fa\u9ad8\u5ea6\n
      \n
    • \u5982\u679c\u9ad8\u5ea6\u4e0d\u5927\u4e8e\u76ee\u6807\u9ad8\u5ea6\uff0c\u5219\u751f\u6210\u7f29\u7565\u56fe<\/li>\n
    • \u5982\u679c\u9ad8\u5ea6\u5927\u4e8e\u4e86\u76ee\u6807\u9ad8\u5ea6\uff0c\u5219\u6ee1\u8db3\u9ad8\u5ea6\uff0c\u518d\u7b49\u6bd4\u4f8b\u8ba1\u7b97\u51fa\u5bbd\u5ea6\uff0c\u751f\u6210\u7f29\u7565\u56fe<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
      \u793a\u4f8b<\/h2>\n
      # \u5bbd 280\uff0c\u9ad8 420\nsize = (280, 420)<\/code><\/pre>\n
      \u6e90\u56fe\u4e3a 1080*1280<\/code><\/p>\n
      w = 280\nh = 280 \/ 1080 * 1280 = 332\n\n332 < 420\uff0c\u7f29\u7565\u56fe\u6700\u7ec8\u5c3a\u5bf8\u4e3a 280*332<\/code><\/pre>\n
      \u6e90\u56fe\u4e3a 720*1280<\/code><\/p>\n
      w = 280\nh = 280 \/ 720 * 1280 = 498\n\n498 > 420\uff0c\u90a3\u4e48\u7f29\u7565\u56fe\u7684\u9ad8\u53ea\u80fd\u662f 420\uff0c\u91cd\u65b0\u8ba1\u7b97\n\nh = 420\nw = 420 \/ 1280 * 720 = 236\n\n236 < 280\uff0c\u7f29\u7565\u56fe\u6700\u7ec8\u5c3a\u5bf8\u4e3a 236*420<\/code><\/pre>\n
      \u7ed3\u8bba<\/h2>\n
      \u5982\u679c\u8981\u786e\u4fdd\u751f\u6210\u7684\u7f29\u7565\u56fe\u662f\u67d0\u4e2a\u5bbd\u5ea6\uff0c\u90a3\u4e48 size<\/code> \u53c2\u6570\u5e94\u8be5\u8bbe\u7f6e\u4e00\u4e2a\u8db3\u591f\u5927\u7684\u9ad8\u5ea6\uff0c\u786e\u4fdd\u7b49\u6bd4\u4f8b\u7f29\u653e\u540e\u7684\u7f29\u7565\u56fe\u9ad8\u5ea6\u4e0d\u53ef\u80fd\u6bd4\u8fd9\u4e2a\u9ad8\u5ea6\u5927<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u80cc\u666f \u6700\u8fd1\u7528 pillow \u7ed9\u56fe\u7247\u751f\u6210\u7f29\u7565\u56fe\uff0c\u8fd9\u6837\u5728\u5217\u8868\u5c55\u793a\u56fe\u7247\u65f6\u53ef\u4ee5\u8282\u7701\u4e9b\u6d41\u91cf\uff0c\u7ed3\u679c\u53d1\u73b0\u6709\u5c11\u91cf\u56fe\u7247\u7684\u7f29\u7565\u56fe\u5728 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"class_list":["post-920","post","type-post","status-publish","format-standard","hentry","category-python"],"yoast_head":"\npillow \u751f\u6210\u7f29\u7565\u56fe\u7684\u5c3a\u5bf8\u95ee\u9898 - \u62d2\u6d77\u7a7a\u95f4<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/refusea.com\/?p=920\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"refusea.com\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/refusea.com\/?p=920#article\",\"isPartOf\":{\"@id\":\"https:\/\/refusea.com\/?p=920\"},\"author\":{\"name\":\"refusea.com\",\"@id\":\"https:\/\/refusea.com\/#\/schema\/person\/b5393cc8b15717000d19424552aae0df\"},\"headline\":\"pillow \u751f\u6210\u7f29\u7565\u56fe\u7684\u5c3a\u5bf8\u95ee\u9898\",\"datePublished\":\"2021-04-30T03:32:08+00:00\",\"dateModified\":\"2021-04-30T03:32:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/refusea.com\/?p=920\"},\"wordCount\":4,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/refusea.com\/#\/schema\/person\/b5393cc8b15717000d19424552aae0df\"},\"articleSection\":[\"python\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/refusea.com\/?p=920#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/refusea.com\/?p=920\",\"url\":\"https:\/\/refusea.com\/?p=920\",\"name\":\"pillow \u751f\u6210\u7f29\u7565\u56fe\u7684\u5c3a\u5bf8\u95ee\u9898 - 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