{"id":96964,"date":"2024-10-20T13:50:16","date_gmt":"2024-10-20T05:50:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96964\/"},"modified":"2024-10-20T13:50:17","modified_gmt":"2024-10-20T05:50:17","slug":"pymysql%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%b1%a0%ef%bc%8c%e7%82%ba%e4%bd%a0%e7%af%80%e7%b4%84%e9%80%a3%e6%8e%a5%e6%99%82%e9%96%93-pymysql%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96964\/","title":{"rendered":"Pymysql\u6578\u64da\u5eab\u9023\u63a5\u6c60\uff0c\u70ba\u4f60\u7bc0\u7d04\u9023\u63a5\u6642\u9593 (pymysql\u7684\u6578\u64da\u5eab\u9023\u63a5\u6c60)"},"content":{"rendered":"<h1 id=\"pymysql%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%b1%a0%ef%bc%8c%e7%82%ba%e4%bd%a0%e7%af%80%e7%b4%84%e9%80%a3%e6%8e%a5%e6%99%82%e9%96%93-OAovrNRfyL\">Pymysql\u6578\u64da\u5eab\u9023\u63a5\u6c60\uff0c\u70ba\u4f60\u7bc0\u7d04\u9023\u63a5\u6642\u9593<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u5c24\u5176\u662f\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u5eab\u7684\u9023\u63a5\u7ba1\u7406\u6210\u70ba\u4e86\u6027\u80fd\u74f6\u9838\u4e4b\u4e00\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u4f7f\u7528\u6578\u64da\u5eab\u9023\u63a5\u6c60\u662f\u4e00\u500b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Pymysql\u5be6\u73fe\u6578\u64da\u5eab\u9023\u63a5\u6c60\uff0c\u4e26\u4ecb\u7d39\u5176\u512a\u52e2\u53ca\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%b1%a0%ef%bc%9f-OAovrNRfyL\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u9023\u63a5\u6c60\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u9023\u63a5\u6c60\u662f\u4e00\u7a2e\u7528\u65bc\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u7684\u6280\u8853\u3002\u5b83\u901a\u904e\u9810\u5148\u5275\u5efa\u4e00\u5b9a\u6578\u91cf\u7684\u6578\u64da\u5eab\u9023\u63a5\uff0c\u4e26\u5c07\u9019\u4e9b\u9023\u63a5\u5b58\u5132\u5728\u6c60\u4e2d\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u6642\u5feb\u901f\u7372\u53d6\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u6bcf\u6b21\u8acb\u6c42\u90fd\u91cd\u65b0\u5efa\u7acb\u9023\u63a5\uff0c\u5f9e\u800c\u7bc0\u7d04\u4e86\u6642\u9593\u548c\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"pymysql%e7%b0%a1%e4%bb%8b-OAovrNRfyL\">Pymysql\u7c21\u4ecb<\/h2>\n<p>Pymysql\u662f\u4e00\u500b\u7d14Python\u5be6\u73fe\u7684MySQL\u5ba2\u6236\u7aef\uff0c\u652f\u6301Python 3.x\u3002\u5b83\u63d0\u4f9b\u4e86\u7c21\u55ae\u6613\u7528\u7684API\u4f86\u8207MySQL\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u7531\u65bc\u5176\u8f15\u91cf\u7d1a\u548c\u9ad8\u6548\u7684\u7279\u6027\uff0cPymysql\u5728\u8a31\u591aPython\u61c9\u7528\u4e2d\u88ab\u5ee3\u6cdb\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8%e9%80%a3%e6%8e%a5%e6%b1%a0%ef%bc%9f-OAovrNRfyL\">\u70ba\u4ec0\u9ebc\u4f7f\u7528\u9023\u63a5\u6c60\uff1f<\/h2>\n<ul>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u901a\u904e\u91cd\u7528\u73fe\u6709\u7684\u9023\u63a5\uff0c\u6e1b\u5c11\u4e86\u5efa\u7acb\u548c\u95dc\u9589\u9023\u63a5\u7684\u958b\u92b7\u3002<\/li>\n<li><strong>\u6e1b\u5c11\u8cc7\u6e90\u6d88\u8017\uff1a<\/strong>\u9023\u63a5\u6c60\u53ef\u4ee5\u9650\u5236\u540c\u6642\u6253\u958b\u7684\u9023\u63a5\u6578\uff0c\u5f9e\u800c\u907f\u514d\u904e\u591a\u7684\u8cc7\u6e90\u6d88\u8017\u3002<\/li>\n<li><strong>\u7c21\u5316\u7ba1\u7406\uff1a<\/strong>\u9023\u63a5\u6c60\u53ef\u4ee5\u81ea\u52d5\u7ba1\u7406\u9023\u63a5\u7684\u751f\u547d\u9031\u671f\uff0c\u6e1b\u5c11\u4e86\u958b\u767c\u8005\u7684\u8ca0\u64d4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%bepymysql%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%b1%a0-OAovrNRfyL\">\u5982\u4f55\u5be6\u73fePymysql\u7684\u6578\u64da\u5eab\u9023\u63a5\u6c60<\/h2>\n<p>\u5728Python\u4e2d\u5be6\u73fe\u6578\u64da\u5eab\u9023\u63a5\u6c60\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5eab\uff0c\u5982SQLAlchemy\u6216DBUtils\u3002\u9019\u88e1\u6211\u5011\u5c07\u4f7f\u7528DBUtils\u4f86\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u9023\u63a5\u6c60\u3002<\/p>\n<h3 id=\"%e5%ae%89%e8%a3%9ddbutils-OAovrNRfyL\">\u5b89\u88ddDBUtils<\/h3>\n<pre><code>pip install DBUtils<\/code><\/pre>\n<h3 id=\"%e5%89%b5%e5%bb%ba%e9%80%a3%e6%8e%a5%e6%b1%a0-OAovrNRfyL\">\u5275\u5efa\u9023\u63a5\u6c60<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528DBUtils\u5275\u5efaPymysql\u6578\u64da\u5eab\u9023\u63a5\u6c60\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>from DBUtils.PooledDB import PooledDB\nimport pymysql\n\n# \u5275\u5efa\u9023\u63a5\u6c60\npool = PooledDB(\n    creator=pymysql,  # \u4f7f\u7528pymysql\u4f5c\u70ba\u6578\u64da\u5eab\u9a45\u52d5\n    maxconnections=6,  # \u9023\u63a5\u6c60\u6700\u5927\u9023\u63a5\u6578\n    mincached=2,       # \u521d\u59cb\u5316\u6642\uff0c\u9023\u63a5\u6c60\u4e2d\u81f3\u5c11\u5275\u5efa\u7684\u7a7a\u9592\u9023\u63a5\u6578\n    maxcached=5,       # \u9023\u63a5\u6c60\u4e2d\u6700\u591a\u7a7a\u9592\u9023\u63a5\u6578\n    maxshared=3,       # \u9023\u63a5\u6c60\u4e2d\u6700\u591a\u5171\u4eab\u9023\u63a5\u6578\n    blocking=True,     # \u9023\u63a5\u6c60\u4e2d\u5982\u679c\u6c92\u6709\u53ef\u7528\u9023\u63a5\u5f8c\uff0c\u662f\u5426\u963b\u585e\n    setsession=[],      # \u958b\u59cb\u6703\u8a71\u524d\u57f7\u884c\u7684\u547d\u4ee4\n    ping=0,            # \u9023\u63a5\u6aa2\u67e5\u65b9\u5f0f\n    host='localhost',  # \u6578\u64da\u5eab\u4e3b\u6a5f\n    port=3306,         # \u6578\u64da\u5eab\u7aef\u53e3\n    user='user',       # \u6578\u64da\u5eab\u7528\u6236\u540d\n    password='password', # \u6578\u64da\u5eab\u5bc6\u78bc\n    database='dbname', # \u6578\u64da\u5eab\u540d\u7a31\n    charset='utf8'     # \u5b57\u7b26\u96c6\n)\n\n# \u7372\u53d6\u9023\u63a5\nconn = pool.connection()\ncursor = conn.cursor()\n\n# \u57f7\u884c\u67e5\u8a62\ncursor.execute(\"SELECT * FROM your_table\")\nresults = cursor.fetchall()\n\n# \u95dc\u9589\u6e38\u6a19\u548c\u9023\u63a5\ncursor.close()\nconn.close()\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OAovrNRfyL\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Pymysql\u7684\u6578\u64da\u5eab\u9023\u63a5\u6c60\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\uff0c\u6e1b\u5c11\u8cc7\u6e90\u6d88\u8017\uff0c\u4e26\u7c21\u5316\u6578\u64da\u5eab\u9023\u63a5\u7684\u7ba1\u7406\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u9023\u63a5\u6c60\u7684\u53c3\u6578\uff0c\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u61c9\u7528\uff0c\u9023\u63a5\u6c60\u662f\u4e00\u500b\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u4f60\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Pymysql\u6578\u64da\u5eab\u9023\u63a5\u6c60\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\uff0c\u7bc0\u7d04\u9023\u63a5\u6642\u9593\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u5eab\u64cd\u4f5c\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-96964","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96964","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=96964"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96964\/revisions"}],"predecessor-version":[{"id":96965,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96964\/revisions\/96965"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}