{"id":187766,"date":"2024-11-11T17:00:21","date_gmt":"2024-11-11T09:00:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187766\/"},"modified":"2024-11-11T17:00:22","modified_gmt":"2024-11-11T09:00:22","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%9c%96%e5%83%8f%e8%a8%98%e9%8c%84%e7%ae%a1%e7%90%86-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%98%e9%8c%84%e5%9c%96%e7%89%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187766\/","title":{"rendered":"\u6578\u64da\u5eab\u4e2d\u7684\u5716\u50cf\u8a18\u9304\u7ba1\u7406 (\u6578\u64da\u5eab\u8a18\u9304\u5716\u7247)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%9c%96%e5%83%8f%e8%a8%98%e9%8c%84%e7%ae%a1%e7%90%86-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%98%e9%8c%84%e5%9c%96%e7%89%87-ZGFyMbYAMD\">\u6578\u64da\u5eab\u4e2d\u7684\u5716\u50cf\u8a18\u9304\u7ba1\u7406 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id=\"%e5%9c%96%e5%83%8f%e5%ad%98%e5%84%b2%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-ZGFyMbYAMD\">\u5716\u50cf\u5b58\u5132\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u5716\u50cf\u4e3b\u8981\u6709\u5169\u7a2e\u65b9\u5f0f\uff1a\u5c07\u5716\u50cf\u76f4\u63a5\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u6216\u5c07\u5716\u50cf\u5b58\u5132\u5728\u6587\u4ef6\u7cfb\u7d71\u4e2d\uff0c\u4e26\u5728\u6578\u64da\u5eab\u4e2d\u4fdd\u5b58\u5176\u8def\u5f91\u3002\u9019\u5169\u7a2e\u65b9\u6cd5\u5404\u6709\u512a\u7f3a\u9ede\u3002<\/p>\n<ul>\n<li><strong>\u76f4\u63a5\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff1a<\/strong>\u9019\u7a2e\u65b9\u6cd5\u901a\u5e38\u4f7f\u7528BLOB\uff08Binary Large Object\uff09\u985e\u578b\u4f86\u5b58\u5132\u5716\u50cf\u6578\u64da\u3002\u9019\u6a23\u505a\u7684\u597d\u8655\u662f\u6578\u64da\u7684\u5b8c\u6574\u6027\u66f4\u9ad8\uff0c\u56e0\u70ba\u5716\u50cf\u548c\u5176\u76f8\u95dc\u6578\u64da\u90fd\u5b58\u5132\u5728\u540c\u4e00\u500b\u5730\u65b9\u3002\u7136\u800c\uff0c\u9019\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5eab\u7684\u5927\u5c0f\u8fc5\u901f\u589e\u9577\uff0c\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li><strong>\u5b58\u5132\u5728\u6587\u4ef6\u7cfb\u7d71\u4e2d\uff1a<\/strong>\u9019\u7a2e\u65b9\u6cd5\u5c07\u5716\u50cf\u6587\u4ef6\u5b58\u5132\u5728\u670d\u52d9\u5668\u7684\u6587\u4ef6\u7cfb\u7d71\u4e2d\uff0c\u4e26\u5728\u6578\u64da\u5eab\u4e2d\u4fdd\u5b58\u5176\u8def\u5f91\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u5927\u5c0f\uff0c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u4f46\u9700\u8981\u984d\u5916\u7684\u7ba1\u7406\u4f86\u78ba\u4fdd\u6587\u4ef6\u7684\u5b8c\u6574\u6027\u548c\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88%e8%80%83%e9%87%8f-ZGFyMbYAMD\">\u6578\u64da\u5eab\u8a2d\u8a08\u8003\u91cf<\/h2>\n<p>\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u4ee5\u7ba1\u7406\u5716\u50cf\u8a18\u9304\u6642\uff0c\u6709\u5e7e\u500b\u95dc\u9375\u8003\u91cf\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5eab\u7d50\u69cb\uff1a<\/strong>\u9700\u8981\u8a2d\u8a08\u5408\u9069\u7684\u8868\u7d50\u69cb\u4f86\u5b58\u5132\u5716\u50cf\u7684\u5143\u6578\u64da\uff0c\u4f8b\u5982\u5716\u50cf\u540d\u7a31\u3001\u985e\u578b\u3001\u5927\u5c0f\u3001\u4e0a\u50b3\u6642\u9593\u7b49\u3002<\/li>\n<li><strong>\u7d22\u5f15\u8a2d\u8a08\uff1a<\/strong>\u70ba\u4e86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u616e\u5c0d\u5716\u50cf\u7684\u5143\u6578\u64da\u9032\u884c\u7d22\u5f15\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u983b\u7e41\u67e5\u8a62\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u78ba\u4fdd\u5716\u50cf\u6578\u64da\u7684\u5b89\u5168\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u654f\u611f\u4fe1\u606f\u6642\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u52a0\u5bc6\u6280\u8853\u4f86\u4fdd\u8b77\u5b58\u5132\u7684\u5716\u50cf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%96%e5%83%8f%e8%99%95%e7%90%86%e8%88%87%e8%bd%89%e6%8f%9b-ZGFyMbYAMD\">\u5716\u50cf\u8655\u7406\u8207\u8f49\u63db<\/h2>\n<p>\u5728\u5c07\u5716\u50cf\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u901a\u5e38\u9700\u8981\u9032\u884c\u4e00\u4e9b\u8655\u7406\u548c\u8f49\u63db\u3002\u4f8b\u5982\uff0c\u5716\u50cf\u7684\u5927\u5c0f\u548c\u683c\u5f0f\u53ef\u80fd\u9700\u8981\u8abf\u6574\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u9069\u61c9\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Python\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528PIL\u5eab\u4f86\u8655\u7406\u5716\u50cf\uff1a<\/p>\n<pre><code>from PIL import Image\n\n# \u6253\u958b\u5716\u50cf\nimg = Image.open('example.jpg')\n\n# \u8abf\u6574\u5716\u50cf\u5927\u5c0f\nimg = img.resize((800, 600))\n\n# \u4fdd\u5b58\u8655\u7406\u5f8c\u7684\u5716\u50cf\nimg.save('example_resized.jpg')<\/code><\/pre>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e8%88%87%e6%aa%a2%e7%b4%a2%e5%9c%96%e5%83%8f-ZGFyMbYAMD\">\u67e5\u8a62\u8207\u6aa2\u7d22\u5716\u50cf<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u548c\u6aa2\u7d22\u5716\u50cf\u8a18\u9304\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u53e5\u4f86\u7372\u53d6\u6240\u9700\u7684\u5716\u50cf\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0bSQL\u67e5\u8a62\u53ef\u4ee5\u7528\u4f86\u7372\u53d6\u7279\u5b9aID\u7684\u5716\u50cf\u8a18\u9304\uff1a<\/p>\n<pre><code>SELECT image_data FROM images WHERE id = 1;<\/code><\/pre>\n<p>\u5982\u679c\u5716\u50cf\u5b58\u5132\u5728\u6587\u4ef6\u7cfb\u7d71\u4e2d\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u5716\u50cf\u7684\u8def\u5f91\uff1a<\/p>\n<pre><code>SELECT image_path FROM images WHERE id = 1;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZGFyMbYAMD\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u7ba1\u7406\u5716\u50cf\u8a18\u9304\u662f\u4e00\u9805\u91cd\u8981\u7684\u4efb\u52d9\uff0c\u6d89\u53ca\u5230\u6578\u64da\u5b58\u5132\u3001\u7d50\u69cb\u8a2d\u8a08\u3001\u5b89\u5168\u6027\u548c\u6027\u80fd\u7b49\u591a\u65b9\u9762\u7684\u8003\u91cf\u3002\u7121\u8ad6\u662f\u9078\u64c7\u5c07\u5716\u50cf\u76f4\u63a5\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u9084\u662f\u5c07\u5176\u5b58\u5132\u5728\u6587\u4ef6\u7cfb\u7d71\u4e2d\uff0c\u958b\u767c\u8005\u90fd\u9700\u8981\u6839\u64da\u5177\u9ad4\u9700\u6c42\u505a\u51fa\u660e\u667a\u7684\u9078\u64c7\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u7ba1\u7406\u548c\u5b58\u5132\u5716\u50cf\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u53ef\u4ee5\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6578\u64da\u5eab\u4e2d\u7684\u5716\u50cf\u8a18\u9304\u7ba1\u7406\uff0c\u63d0\u5347\u5716\u7247\u5b58\u5132\u3001\u6aa2\u7d22\u8207\u7d44\u7e54\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u8207\u53ef\u8a2a\u554f\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-187766","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187766","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=187766"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187766\/revisions"}],"predecessor-version":[{"id":187767,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187766\/revisions\/187767"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}