{"id":7809,"date":"2024-11-14T08:31:18","date_gmt":"2024-11-14T00:31:18","guid":{"rendered":"https:\/\/fwq.ai\/blog\/7809\/"},"modified":"2024-11-14T08:31:18","modified_gmt":"2024-11-14T00:31:18","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8flask%e8%af%bb%e5%8f%96mysql%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%ad%e7%9a%84%e5%9b%be%e7%89%87%e5%b9%b6%e8%bf%94%e5%9b%9e%e7%bb%99%e5%89%8d%e7%ab%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/7809\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Flask\u8bfb\u53d6MySQL\u6570\u636e\u5e93\u4e2d\u7684\u56fe\u7247\u5e76\u8fd4\u56de\u7ed9\u524d\u7aef\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u4f7f\u7528Flask\u8bfb\u53d6MySQL\u6570\u636e\u5e93\u4e2d\u7684\u56fe\u7247\u5e76\u8fd4\u56de\u7ed9\u524d\u7aef\uff1f\u63d2\u56fe\"<\/p>\n

flask\u8bfb\u53d6\u56fe\u7247\u5e76\u8fd4\u56de\u524d\u7aef<\/strong><\/p>\n

\u95ee\u9898\uff1a<\/strong> \u5982\u4f55\u4f7f\u7528flask\u8bfb\u53d6mysql\u6570\u636e\u5e93\u4e2d\u7684\u56fe\u7247\u5e76\u5c06\u5176\u8fd4\u56de\u7ed9\u524d\u7aef\uff1f\u9700\u8981\u8003\u8651\u524d\u7aef\u8bf7\u6c42\u7684\u65b9\u5f0f\u548c\u670d\u52a1\u5668\u7684\u8fd4\u56de\u683c\u5f0f\u3002<\/p>\n

\u56de\u7b54\uff1a<\/strong><\/p>\n

    \n
  1. \n

    \u8bfb\u53d6\u6570\u636e\u5e93\u56fe\u7247\uff1a<\/strong><\/p>\n

    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

      \n
    • \u4f7f\u7528select image_data from table_name where id=?\u8bfb\u53d6\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\u7684\u56fe\u7247\u6570\u636e\u3002<\/li>\n
    • image_data\u8868\u793a\u56fe\u7247\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n

      \u51c6\u5907\u524d\u7aef\u8bf7\u6c42\uff1a<\/strong><\/p>\n

        \n
      • \u5728\u524d\u7aef\uff0c\u4f7f\u7528post\u6216get\u8bf7\u6c42\u53d1\u9001\u56fe\u50cfid\u6216url\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n

        \u670d\u52a1\u5668\u5904\u7406\uff1a<\/strong><\/p>\n

          \n
        • \u5728flask\u670d\u52a1\u5668\u7aef\uff0c\u4f7f\u7528execute_query()\u65b9\u6cd5\u8bfb\u53d6\u56fe\u50cf\u6570\u636e\u5e76\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236\u683c\u5f0f\u3002<\/li>\n
        • \n

          \u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

          image_bytes = MySql_t2.execute_query(sq1)\n\nif image_bytes == None:\n   raise Exception('...')<\/pre>\n
           \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
        • \u5c06\u56fe\u50cf\u4e8c\u8fdb\u5236\u6570\u636e\u4f5c\u4e3asend_file()\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u8fd4\u56de\u3002<\/li>\n
        • mime_type\u53c2\u6570\u6307\u5b9a\u56fe\u50cf\u7684mime\u7c7b\u578b\uff08\u4f8b\u5982\uff0cimage\/jpeg\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n
          \u5ba2\u6237\u7aef\u63a5\u6536\u5904\u7406\uff1a<\/strong><\/p>\n
            \n
          • \u524d\u7aef\u901a\u8fc7content-type\u6807\u5934\u63a5\u6536\u56fe\u7247\u6570\u636e\u3002<\/li>\n
          • \u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u89e3\u7801\u4e3a\u56fe\u50cf\u683c\u5f0f\u5e76\u663e\u793a\u5b83\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
            \u6ce8\u610f\uff1a<\/strong><\/p>\n
              \n
            • mysql_t2.execute_query()\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u662f\u5305\u542b\u67e5\u8be2\u7ed3\u679c\u5143\u7ec4\uff0c\u56e0\u6b64\u9700\u8981\u63d0\u53d6\u5143\u7d20\u3002<\/li>\n
            • \u786e\u4fdd\u4ee3\u7801\u7f16\u5199\u5668\u63d0\u4f9b\u9002\u5f53\u7684\u7c7b\u578b\u6ce8\u91ca\uff0c\u4ee5\u907f\u514d\u9519\u8bef\u3002<\/li>\n<\/ul>\n
              \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528Flask\u8bfb\u53d6MySQL\u6570\u636e\u5e93\u4e2d\u7684\u56fe\u7247\u5e76\u8fd4\u56de\u7ed9\u524d\u7aef\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
              flask\u8bfb\u53d6\u56fe\u7247\u5e76\u8fd4\u56de\u524d\u7aef \u95ee\u9898\uff1a \u5982\u4f55\u4f7f\u7528flask\u8bfb\u53d6mysql\u6570\u636e\u5e93\u4e2d\u7684\u56fe\u7247\u5e76\u5c06\u5176\u8fd4\u56de\u7ed9\u524d\u7aef\uff1f\u9700\u8981\u8003\u8651\u524d\u7aef\u8bf7\u6c42\u7684\u65b9\u5f0f\u548c\u670d\u52a1\u5668\u7684\u8fd4\u56de\u683c\u5f0f\u3002 \u56de\u7b54\uff1a \u8bfb\u53d6\u6570\u636e\u5e93\u56fe\u7247\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528select image_data from table_name where id=?\u8bfb\u53d6\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\u7684\u56fe\u7247\u6570\u636e\u3002 image_data\u8868\u793a\u56fe\u7247\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u3002 \u51c6\u5907\u524d\u7aef\u8bf7\u6c42\uff1a \u5728\u524d\u7aef\uff0c\u4f7f\u7528post\u6216get\u8bf7\u6c42\u53d1\u9001\u56fe\u50cfid\u6216url\u3002 \u670d\u52a1\u5668\u5904\u7406\uff1a \u5728flask\u670d\u52a1\u5668\u7aef\uff0c\u4f7f\u7528execute_query()\u65b9\u6cd5\u8bfb\u53d6\u56fe\u50cf\u6570\u636e\u5e76\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236\u683c\u5f0f\u3002 \u4ee3\u7801\u793a\u4f8b\uff1a image_bytes = MySql_t2.execute_query(sq1) if image_bytes == None: raise Exception(‘…’) \u767b\u5f55\u540e\u590d\u5236 \u5c06\u56fe\u50cf\u4e8c\u8fdb\u5236\u6570\u636e\u4f5c\u4e3asend_file()\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u8fd4\u56de\u3002 mime_type\u53c2\u6570\u6307\u5b9a\u56fe\u50cf\u7684mime\u7c7b\u578b\uff08\u4f8b\u5982\uff0cimage\/jpeg\uff09\u3002 \u5ba2\u6237\u7aef\u63a5\u6536\u5904\u7406\uff1a \u524d\u7aef\u901a\u8fc7content-type\u6807\u5934\u63a5\u6536\u56fe\u7247\u6570\u636e\u3002 \u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u89e3\u7801\u4e3a\u56fe\u50cf\u683c\u5f0f\u5e76\u663e\u793a\u5b83\u3002 \u6ce8\u610f\uff1a mysql_t2.execute_query()\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u662f\u5305\u542b\u67e5\u8be2\u7ed3\u679c\u5143\u7ec4\uff0c\u56e0\u6b64\u9700\u8981\u63d0\u53d6\u5143\u7d20\u3002 \u786e\u4fdd\u4ee3\u7801\u7f16\u5199\u5668\u63d0\u4f9b\u9002\u5f53\u7684\u7c7b\u578b\u6ce8\u91ca\uff0c\u4ee5\u907f\u514d\u9519\u8bef\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528Flask\u8bfb\u53d6MySQL\u6570\u636e\u5e93\u4e2d\u7684\u56fe\u7247\u5e76\u8fd4\u56de\u7ed9\u524d\u7aef\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-7809","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7809","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=7809"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7809\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=7809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=7809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=7809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}