{"id":97008,"date":"2024-10-20T14:13:18","date_gmt":"2024-10-20T06:13:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97008\/"},"modified":"2024-10-20T14:13:19","modified_gmt":"2024-10-20T06:13:19","slug":"python%e6%a8%a1%e6%93%acoracle%e7%9a%84sql-plus%e5%b7%a5%e5%85%b7%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97008\/","title":{"rendered":"Python\u6a21\u64ecOracle\u7684SQL\/PLUS\u5de5\u5177\u7684\u5be6\u73fe\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"python%e6%a8%a1%e6%93%acoracle%e7%9a%84sql-plus%e5%b7%a5%e5%85%b7%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-epuyjHbvwA\">Python\u6a21\u64ecOracle\u7684SQL\/PLUS\u5de5\u5177\u7684\u5be6\u73fe\u65b9\u6cd5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u548c\u64cd\u4f5c\u4e2d\uff0cOracle\u7684SQL\/PLUS\u5de5\u5177\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u5de5\u5177\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u500b\u547d\u4ee4\u884c\u754c\u9762\uff0c\u8b93\u7528\u6236\u80fd\u5920\u57f7\u884cSQL\u67e5\u8a62\u3001PL\/SQL\u7a0b\u5f0f\u78bc\u4ee5\u53ca\u7ba1\u7406\u6578\u64da\u5eab\u7684\u5404\u7a2e\u4efb\u52d9\u3002\u7136\u800c\uff0c\u5c0d\u65bc\u67d0\u4e9b\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u4f7f\u7528Python\u4f86\u6a21\u64ecSQL\/PLUS\u7684\u529f\u80fd\u53ef\u80fd\u6703\u66f4\u70ba\u65b9\u4fbf\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Python\u4f86\u5be6\u73fe\u9019\u4e00\u76ee\u6a19\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87python%ef%bc%9f-epuyjHbvwA\">\u70ba\u4ec0\u9ebc\u9078\u64c7Python\uff1f<\/h2>\n<p>Python\u662f\u4e00\u7a2e\u9ad8\u6548\u4e14\u6613\u65bc\u5b78\u7fd2\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u64c1\u6709\u8c50\u5bcc\u7684\u5eab\u548c\u6846\u67b6\uff0c\u9069\u5408\u7528\u65bc\u6578\u64da\u8655\u7406\u548c\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u4f7f\u7528Python\u4f86\u6a21\u64ecSQL\/PLUS\u7684\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7c21\u55ae\u6613\u7528\u7684\u8a9e\u6cd5\uff0c\u9069\u5408\u5feb\u901f\u958b\u767c\u3002<\/li>\n<li>\u5f37\u5927\u7684\u5eab\u652f\u6301\uff0c\u5982cx_Oracle\uff0c\u80fd\u5920\u8f15\u9b06\u9023\u63a5Oracle\u6578\u64da\u5eab\u3002<\/li>\n<li>\u826f\u597d\u7684\u793e\u5340\u652f\u6301\u548c\u6587\u6a94\uff0c\u65b9\u4fbf\u67e5\u8a62\u548c\u89e3\u6c7a\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%92%b0%e5%a2%83%e8%a8%ad%e7%bd%ae-epuyjHbvwA\">\u74b0\u5883\u8a2d\u7f6e<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86Python\u548ccx_Oracle\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5b89\u88ddcx_Oracle\uff1a<\/p>\n<pre><code>pip install cx_Oracle<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u60a8\u9084\u9700\u8981\u5b89\u88ddOracle Instant Client\uff0c\u4ee5\u4fbfcx_Oracle\u80fd\u5920\u6b63\u5e38\u5de5\u4f5c\u3002\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u958b\u59cb\u7de8\u5bebPython\u4ee3\u78bc\u4f86\u6a21\u64ecSQL\/PLUS\u7684\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e9%80%a3%e6%8e%a5-epuyjHbvwA\">\u57fa\u672c\u9023\u63a5<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5efa\u7acb\u8207Oracle\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u6578\u64da\u5eab\u7684\u57fa\u672c\u4ee3\u78bc\uff1a<\/p>\n<pre><code>import cx_Oracle\n\n# \u8a2d\u5b9a\u6578\u64da\u5eab\u9023\u63a5\u53c3\u6578\ndsn = cx_Oracle.makedsn(\"\u4e3b\u6a5f\u540d\", \"\u7aef\u53e3\", service_name=\"\u670d\u52d9\u540d\")\nconnection = cx_Oracle.connect(user=\"\u7528\u6236\u540d\", password=\"\u5bc6\u78bc\", dsn=dsn)\n\n# \u5275\u5efa\u6e38\u6a19\ncursor = connection.cursor()<\/code><\/pre>\n<h2 id=\"%e5%9f%b7%e8%a1%8csql%e6%9f%a5%e8%a9%a2-epuyjHbvwA\">\u57f7\u884cSQL\u67e5\u8a62<\/h2>\n<p>\u4e00\u65e6\u9023\u63a5\u6210\u529f\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u6e38\u6a19\u4f86\u57f7\u884cSQL\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u57f7\u884c\u67e5\u8a62\u4e26\u7372\u53d6\u7d50\u679c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code># \u57f7\u884c\u67e5\u8a62\ncursor.execute(\"SELECT * FROM \u8868\u540d\")\n\n# \u7372\u53d6\u7d50\u679c\nfor row in cursor:\n    print(row)<\/code><\/pre>\n<h2 id=\"%e5%9f%b7%e8%a1%8cpl-sql%e7%a8%8b%e5%bc%8f%e7%a2%bc-epuyjHbvwA\">\u57f7\u884cPL\/SQL\u7a0b\u5f0f\u78bc<\/h2>\n<p>\u9664\u4e86\u57f7\u884cSQL\u67e5\u8a62\uff0c\u60a8\u9084\u53ef\u4ee5\u4f7f\u7528Python\u4f86\u57f7\u884cPL\/SQL\u7a0b\u5f0f\u78bc\u3002\u4ee5\u4e0b\u662f\u57f7\u884cPL\/SQL\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code># \u57f7\u884cPL\/SQL\nplsql_code = \"\"\"\nBEGIN\n    -- PL\/SQL\u7a0b\u5f0f\u78bc\n    NULL;\nEND;\n\"\"\"\ncursor.execute(plsql_code)<\/code><\/pre>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-epuyjHbvwA\">\u932f\u8aa4\u8655\u7406<\/h2>\n<p>\u5728\u8207\u6578\u64da\u5eab\u4ea4\u4e92\u6642\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528try-except\u584a\u4f86\u6355\u7372\u548c\u8655\u7406\u7570\u5e38\uff1a<\/p>\n<pre><code>try:\n    cursor.execute(\"SELECT * FROM \u4e0d\u5b58\u5728\u7684\u8868\")\nexcept cx_Oracle.DatabaseError as e:\n    error, = e.args\n    print(\"Oracle\u932f\u8aa4\u4ee3\u78bc:\", error.code)\n    print(\"Oracle\u932f\u8aa4\u4fe1\u606f:\", error.message)<\/code><\/pre>\n<h2 id=\"%e9%97%9c%e9%96%89%e9%80%a3%e6%8e%a5-epuyjHbvwA\">\u95dc\u9589\u9023\u63a5<\/h2>\n<p>\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\u5f8c\uff0c\u8a18\u5f97\u95dc\u9589\u6e38\u6a19\u548c\u9023\u63a5\uff1a<\/p>\n<pre><code>cursor.close()\nconnection.close()<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-epuyjHbvwA\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4f7f\u7528Python\u548ccx_Oracle\u5eab\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u6a21\u64ecOracle\u7684SQL\/PLUS\u5de5\u5177\uff0c\u5be6\u73fe\u6578\u64da\u5eab\u7684\u67e5\u8a62\u548c\u7ba1\u7406\u529f\u80fd\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u958b\u767c\u6548\u7387\uff0c\u9084\u80fd\u5920\u5229\u7528Python\u7684\u5f37\u5927\u529f\u80fd\u4f86\u9032\u884c\u66f4\u8907\u96dc\u7684\u6578\u64da\u8655\u7406\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u904b\u884c\u60a8\u7684Python\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u5176\u4ed6\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u5c07\u6709\u52a9\u65bc\u63d0\u5347\u60a8\u7684\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Python\u6a21\u64ecOracle\u7684SQL\/PLUS\u5de5\u5177\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u67e5\u8a62\u548c\u7ba1\u7406\u529f\u80fd\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-97008","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97008","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=97008"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97008\/revisions"}],"predecessor-version":[{"id":97009,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97008\/revisions\/97009"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}