{"id":195283,"date":"2024-11-13T13:44:17","date_gmt":"2024-11-13T05:44:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195283\/"},"modified":"2024-11-13T13:44:19","modified_gmt":"2024-11-13T05:44:19","slug":"%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd%ef%bc%8c%e4%bd%bf%e7%94%a8%e7%b6%81%e5%ae%9a%e8%ae%8a%e9%87%8f%e9%80%b2%e8%a1%8c%e6%9f%a5%e8%a9%a2-%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195283\/","title":{"rendered":"\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\uff0c\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\u9032\u884c\u67e5\u8a62 (\u6578\u64da\u5eab \u7d81\u5b9a\u8b8a\u91cf)"},"content":{"rendered":"<h1 id=\"%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd%ef%bc%8c%e4%bd%bf%e7%94%a8%e7%b6%81%e5%ae%9a%e8%ae%8a%e9%87%8f%e9%80%b2%e8%a1%8c%e6%9f%a5%e8%a9%a2-QpSMWnTUOm\">\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\uff0c\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\u9032\u884c\u67e5\u8a62<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u6027\u80fd\u7684\u512a\u5316\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u67e5\u8a62\u548c\u8655\u7406\u6578\u64da\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\u9032\u884c\u67e5\u8a62\u662f\u4e00\u7a2e\u6709\u6548\u7684\u6280\u8853\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%b6%81%e5%ae%9a%e8%ae%8a%e9%87%8f%ef%bc%9f-QpSMWnTUOm\">\u4ec0\u9ebc\u662f\u7d81\u5b9a\u8b8a\u91cf\uff1f<\/h2>\n<p>\u7d81\u5b9a\u8b8a\u91cf\u662f\u6307\u5728\u57f7\u884cSQL\u67e5\u8a62\u6642\uff0c\u5c07\u8b8a\u91cf\u7684\u503c\u8207SQL\u8a9e\u53e5\u5206\u958b\u8655\u7406\u7684\u4e00\u7a2e\u65b9\u6cd5\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u7684\u6027\u80fd\uff0c\u9084\u80fd\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002\u7576\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\u6642\uff0c\u6578\u64da\u5eab\u53ef\u4ee5\u91cd\u8907\u4f7f\u7528\u5df2\u7de8\u8b6f\u7684\u67e5\u8a62\u8a08\u5283\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e86\u67e5\u8a62\u7684\u89e3\u6790\u6642\u9593\u3002<\/p>\n<h2 id=\"%e7%b6%81%e5%ae%9a%e8%ae%8a%e9%87%8f%e7%9a%84%e5%84%aa%e5%8b%a2-QpSMWnTUOm\">\u7d81\u5b9a\u8b8a\u91cf\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u63d0\u5347\uff1a<\/strong>\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\u53ef\u4ee5\u6e1b\u5c11SQL\u67e5\u8a62\u7684\u89e3\u6790\u548c\u7de8\u8b6f\u6642\u9593\uff0c\u7279\u5225\u662f\u5728\u57f7\u884c\u76f8\u4f3c\u67e5\u8a62\u6642\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\u589e\u5f37\uff1a<\/strong>\u7d81\u5b9a\u8b8a\u91cf\u53ef\u4ee5\u6709\u6548\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\uff0c\u56e0\u70ba\u7528\u6236\u8f38\u5165\u7684\u6578\u64da\u4e0d\u6703\u76f4\u63a5\u62fc\u63a5\u5230SQL\u8a9e\u53e5\u4e2d\u3002<\/li>\n<li><strong>\u4ee3\u78bc\u53ef\u8b80\u6027\uff1a<\/strong>\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\u53ef\u4ee5\u4f7fSQL\u67e5\u8a62\u7684\u7d50\u69cb\u66f4\u52a0\u6e05\u6670\uff0c\u6613\u65bc\u7dad\u8b77\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e7%b6%81%e5%ae%9a%e8%ae%8a%e9%87%8f-QpSMWnTUOm\">\u5982\u4f55\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\u7684\u7c21\u55ae\u793a\u4f8b\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u7528\u6236\u8868\uff0c\u4e26\u5e0c\u671b\u6839\u64da\u7528\u6236ID\u67e5\u8a62\u7528\u6236\u4fe1\u606f\uff1a<\/p>\n<pre><code>-- \u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\u7684SQL\u67e5\u8a62\u793a\u4f8b\nSELECT * FROM users WHERE user_id = :user_id;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c`:user_id` \u662f\u4e00\u500b\u7d81\u5b9a\u8b8a\u91cf\u3002\u5728\u57f7\u884c\u67e5\u8a62\u6642\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u5177\u9ad4\u7684\u7528\u6236ID\u503c\u7d81\u5b9a\u5230\u9019\u500b\u8b8a\u91cf\u4e0a\u3002\u9019\u6a23\uff0c\u6578\u64da\u5eab\u53ea\u9700\u89e3\u6790\u4e00\u6b21\u67e5\u8a62\uff0c\u7136\u5f8c\u53ef\u4ee5\u91cd\u8907\u4f7f\u7528\u9019\u500b\u67e5\u8a62\u8a08\u5283\u3002<\/p>\n<h2 id=\"%e7%b6%81%e5%ae%9a%e8%ae%8a%e9%87%8f%e7%9a%84%e5%af%a6%e7%8f%be-QpSMWnTUOm\">\u7d81\u5b9a\u8b8a\u91cf\u7684\u5be6\u73fe<\/h2>\n<p>\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\uff0c\u7d81\u5b9a\u8b8a\u91cf\u7684\u5be6\u73fe\u65b9\u5f0f\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u7d81\u5b9a\u8b8a\u91cf\u7684\u4f7f\u7528\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"mysql-QpSMWnTUOm\">MySQL<\/h3>\n<pre><code>-- \u4f7f\u7528MySQL\u7684\u9810\u8655\u7406\u8a9e\u53e5\nPREPARE stmt FROM 'SELECT * FROM users WHERE user_id = ?';\nSET @user_id = 1;\nEXECUTE stmt USING @user_id;\nDEALLOCATE PREPARE stmt;\n<\/code><\/pre>\n<h3 id=\"oracle-QpSMWnTUOm\">Oracle<\/h3>\n<pre><code>-- \u4f7f\u7528Oracle\u7684PL\/SQL\nDECLARE\n    v_user_id NUMBER := 1;\n    v_user_info users%ROWTYPE;\nBEGIN\n    SELECT * INTO v_user_info FROM users WHERE user_id = v_user_id;\nEND;\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-QpSMWnTUOm\">\u7d50\u8ad6<\/h2>\n<p>\u7d81\u5b9a\u8b8a\u91cf\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u6280\u8853\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u67e5\u8a62\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002\u901a\u904e\u5c07\u8b8a\u91cf\u8207SQL\u8a9e\u53e5\u5206\u958b\u8655\u7406\uff0c\u958b\u767c\u8005\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6548\u7387\uff0c\u9084\u80fd\u6709\u6548\u9632\u6b62\u6f5b\u5728\u7684\u5b89\u5168\u5a01\u8105\u3002\u5728\u8a2d\u8a08\u548c\u5be6\u73fe\u6578\u64da\u5eab\u67e5\u8a62\u6642\uff0c\u8003\u616e\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\u5c07\u662f\u660e\u667a\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9019\u5c07\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u900f\u904e\u4f7f\u7528\u7d81\u5b9a\u8b8a\u91cf\u9032\u884c\u67e5\u8a62\uff0c\u5be6\u73fe\u66f4\u5feb\u7684\u6578\u64da\u8655\u7406\u548c\u66f4\u9ad8\u7684\u6548\u7387\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-195283","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195283","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=195283"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195283\/revisions"}],"predecessor-version":[{"id":195284,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195283\/revisions\/195284"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}