{"id":174359,"date":"2024-11-07T21:10:26","date_gmt":"2024-11-07T13:10:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174359\/"},"modified":"2024-11-07T21:10:27","modified_gmt":"2024-11-07T13:10:27","slug":"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e8%ae%80%e5%af%ab%e7%95%b0%e5%b8%b8%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%ae%80%e5%af%ab%e7%95%b0%e5%b8%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174359\/","title":{"rendered":"\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab\u8b80\u5beb\u7570\u5e38\uff1f (\u6578\u64da\u5eab\u8b80\u5beb\u7570\u5e38)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e8%ae%80%e5%af%ab%e7%95%b0%e5%b8%b8%ef%bc%9f-pFLfKQubgr\">\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab\u8b80\u5beb\u7570\u5e38\uff1f<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6578\u64da\u5eab\u662f\u95dc\u9375\u7d44\u4ef6\u4e4b\u4e00\uff0c\u8ca0\u8cac\u5b58\u5132\u548c\u7ba1\u7406\u61c9\u7528\u7a0b\u5e8f\u7684\u6578\u64da\u3002\u7136\u800c\uff0c\u6578\u64da\u5eab\u8b80\u5beb\u7570\u5e38\u7684\u554f\u984c\u6642\u5e38\u51fa\u73fe\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u3001\u61c9\u7528\u7a0b\u5e8f\u5d29\u6f70\u6216\u6027\u80fd\u4e0b\u964d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6578\u64da\u5eab\u8b80\u5beb\u7570\u5e38\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%ae%80%e5%af%ab%e7%95%b0%e5%b8%b8%e7%9a%84%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-pFLfKQubgr\">\u6578\u64da\u5eab\u8b80\u5beb\u7570\u5e38\u7684\u5e38\u898b\u539f\u56e0<\/h2>\n<ul>\n<li><strong>\u786c\u9ad4\u6545\u969c\uff1a<\/strong>\u786c\u789f\u640d\u58de\u6216\u5167\u5b58\u6545\u969c\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5eab\u7121\u6cd5\u6b63\u5e38\u8b80\u53d6\u6216\u5beb\u5165\u6578\u64da\u3002<\/li>\n<li><strong>\u7db2\u7d61\u554f\u984c\uff1a<\/strong>\u5728\u5206\u4f48\u5f0f\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\uff0c\u7db2\u7d61\u5ef6\u9072\u6216\u4e2d\u65b7\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u7684\u8b80\u53d6\u548c\u5beb\u5165\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u914d\u7f6e\u932f\u8aa4\uff1a<\/strong>\u4e0d\u7576\u7684\u6578\u64da\u5eab\u914d\u7f6e\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u5f9e\u800c\u5f71\u97ff\u6578\u64da\u7684\u8b80\u5beb\u901f\u5ea6\u3002<\/li>\n<li><strong>\u4e26\u767c\u8a2a\u554f\u885d\u7a81\uff1a<\/strong>\u591a\u500b\u7528\u6236\u540c\u6642\u8a2a\u554f\u6578\u64da\u5eab\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u9396\u5b9a\u885d\u7a81\uff0c\u5c0e\u81f4\u8b80\u5beb\u7570\u5e38\u3002<\/li>\n<li><strong>\u61c9\u7528\u7a0b\u5e8f\u932f\u8aa4\uff1a<\/strong>\u61c9\u7528\u7a0b\u5e8f\u4e2d\u7684\u908f\u8f2f\u932f\u8aa4\u6216\u7570\u5e38\u8655\u7406\u4e0d\u7576\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5eab\u64cd\u4f5c\u5931\u6557\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e8%ae%80%e5%af%ab%e7%95%b0%e5%b8%b8%e7%9a%84%e6%96%b9%e6%b3%95-pFLfKQubgr\">\u89e3\u6c7a\u6578\u64da\u5eab\u8b80\u5beb\u7570\u5e38\u7684\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e7%a1%ac%e9%ab%94%e6%aa%a2%e6%9f%a5%e8%88%87%e5%8d%87%e7%b4%9a-pFLfKQubgr\">1. \u786c\u9ad4\u6aa2\u67e5\u8207\u5347\u7d1a<\/h3>\n<p>\u5b9a\u671f\u6aa2\u67e5\u786c\u9ad4\u72c0\u6cc1\uff0c\u78ba\u4fdd\u786c\u789f\u548c\u5167\u5b58\u6b63\u5e38\u904b\u884c\u3002\u5982\u679c\u767c\u73fe\u786c\u9ad4\u6545\u969c\uff0c\u61c9\u7acb\u5373\u66f4\u63db\u6216\u5347\u7d1a\u786c\u9ad4\u8a2d\u5099\uff0c\u4ee5\u907f\u514d\u6578\u64da\u4e1f\u5931\u3002<\/p>\n<h3 id=\"2-%e7%b6%b2%e7%b5%a1%e7%a9%a9%e5%ae%9a%e6%80%a7-pFLfKQubgr\">2. \u7db2\u7d61\u7a69\u5b9a\u6027<\/h3>\n<p>\u5c0d\u65bc\u5206\u4f48\u5f0f\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u78ba\u4fdd\u7db2\u7d61\u9023\u63a5\u7a69\u5b9a\u81f3\u95dc\u91cd\u8981\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u8ca0\u8f09\u5747\u8861\u5668\u4f86\u5206\u6563\u6d41\u91cf\uff0c\u4e26\u8a2d\u7f6e\u5197\u9918\u7db2\u7d61\u8def\u5f91\u4ee5\u63d0\u9ad8\u53ef\u9760\u6027\u3002<\/p>\n<h3 id=\"3-%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e9%85%8d%e7%bd%ae-pFLfKQubgr\">3. \u512a\u5316\u6578\u64da\u5eab\u914d\u7f6e<\/h3>\n<p>\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574\u6578\u64da\u5eab\u7684\u914d\u7f6e\u53c3\u6578\uff0c\u4f8b\u5982\u7de9\u5b58\u5927\u5c0f\u3001\u9023\u63a5\u6578\u91cf\u7b49\u3002\u4f7f\u7528\u6027\u80fd\u76e3\u63a7\u5de5\u5177\u4f86\u5206\u6790\u6578\u64da\u5eab\u7684\u6027\u80fd\u74f6\u9838\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8abf\u6574\u3002<\/p>\n<h3 id=\"4-%e8%99%95%e7%90%86%e4%b8%a6%e7%99%bc%e8%a8%aa%e5%95%8f-pFLfKQubgr\">4. \u8655\u7406\u4e26\u767c\u8a2a\u554f<\/h3>\n<p>\u4f7f\u7528\u9069\u7576\u7684\u9396\u5b9a\u6a5f\u5236\u4f86\u7ba1\u7406\u4e26\u767c\u8a2a\u554f\uff0c\u4f8b\u5982\u884c\u7d1a\u9396\u6216\u8868\u7d1a\u9396\u3002\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u6a02\u89c0\u9396\u5b9a\u7b56\u7565\u4f86\u6e1b\u5c11\u9396\u5b9a\u885d\u7a81\u7684\u6a5f\u6703\u3002<\/p>\n<h3 id=\"5-%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-pFLfKQubgr\">5. \u61c9\u7528\u7a0b\u5e8f\u932f\u8aa4\u8655\u7406<\/h3>\n<p>\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\u5be6\u65bd\u5065\u58ef\u7684\u932f\u8aa4\u8655\u7406\u6a5f\u5236\uff0c\u78ba\u4fdd\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u5931\u6557\u6642\u80fd\u5920\u6b63\u78ba\u6355\u7372\u7570\u5e38\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u91cd\u8a66\u6a5f\u5236\u4f86\u8655\u7406\u66ab\u6642\u6027\u7684\u8b80\u5beb\u7570\u5e38\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-pFLfKQubgr\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\u5be6\u65bd\u91cd\u8a66\u6a5f\u5236\uff1a<\/p>\n<pre><code>\ndef read_data_with_retry(db_connection, query, retries=3):\n    for attempt in range(retries):\n        try:\n            result = db_connection.execute(query)\n            return result\n        except DatabaseError as e:\n            if attempt &lt; retries - 1:\n                print(f&quot;\u8b80\u53d6\u5931\u6557\uff0c\u6b63\u5728\u91cd\u8a66... (\u5617\u8a66\u6b21\u6578: {attempt + 1})&quot;)\n            else:\n                print(&quot;\u6240\u6709\u91cd\u8a66\u5747\u5931\u6557\uff0c\u8acb\u6aa2\u67e5\u6578\u64da\u5eab\u72c0\u614b\u3002&quot;)\n                raise e\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-pFLfKQubgr\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u8b80\u5beb\u7570\u5e38\u662f\u4e00\u500b\u8907\u96dc\u7684\u554f\u984c\uff0c\u6d89\u53ca\u591a\u500b\u65b9\u9762\u7684\u56e0\u7d20\u3002\u901a\u904e\u5b9a\u671f\u6aa2\u67e5\u786c\u9ad4\u3001\u512a\u5316\u7db2\u7d61\u548c\u6578\u64da\u5eab\u914d\u7f6e\u3001\u59a5\u5584\u8655\u7406\u4e26\u767c\u8a2a\u554f\u4ee5\u53ca\u52a0\u5f37\u61c9\u7528\u7a0b\u5e8f\u7684\u932f\u8aa4\u8655\u7406\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u9019\u4e9b\u7570\u5e38\u7684\u767c\u751f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u6709\u6548\u89e3\u6c7a\u6578\u64da\u5eab\u8b80\u5beb\u7570\u5e38\u554f\u984c\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6578\u64da\u4e00\u81f4\u6027\uff0c\u78ba\u4fdd\u696d\u52d9\u904b\u884c\u9806\u66a2\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-174359","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174359","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=174359"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174359\/revisions"}],"predecessor-version":[{"id":174360,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174359\/revisions\/174360"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}