{"id":161129,"date":"2024-11-04T03:51:24","date_gmt":"2024-11-03T19:51:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161129\/"},"modified":"2024-11-04T03:51:25","modified_gmt":"2024-11-03T19:51:25","slug":"%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%e7%9a%84%e6%96%b9%e6%b3%95%e5%a4%a7%e5%85%a8-%e6%80%8e%e9%ba%bc%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161129\/","title":{"rendered":"\u7372\u53d6\u6578\u64da\u5eab\u6578\u64da\u7684\u65b9\u6cd5\u5927\u5168 (\u600e\u9ebc\u7372\u53d6\u6578\u64da\u5eab\u7684\u6578\u64da)"},"content":{"rendered":"<h1 id=\"%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%e7%9a%84%e6%96%b9%e6%b3%95%e5%a4%a7%e5%85%a8-%e6%80%8e%e9%ba%bc%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%95%b8%e6%93%9a-NzTrTdYkxO\">\u7372\u53d6\u6578\u64da\u5eab\u6578\u64da\u7684\u65b9\u6cd5\u5927\u5168 (\u600e\u9ebc\u7372\u53d6\u6578\u64da\u5eab\u7684\u6578\u64da)<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u6210\u70ba\u4e86\u4f01\u696d\u548c\u958b\u767c\u8005\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002\u7121\u8ad6\u662f\u7528\u65bc\u7db2\u7ad9\u3001\u61c9\u7528\u7a0b\u5e8f\u9084\u662f\u6578\u64da\u5206\u6790\uff0c\u7372\u53d6\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u90fd\u662f\u4e00\u9805\u57fa\u672c\u6280\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u591a\u7a2e\u7372\u53d6\u6578\u64da\u5eab\u6578\u64da\u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8sql%e6%9f%a5%e8%a9%a2-NzTrTdYkxO\">1. \u4f7f\u7528SQL\u67e5\u8a62<\/h2>\n<p>\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff08SQL\uff09\u662f\u8207\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4ea4\u4e92\u7684\u4e3b\u8981\u8a9e\u8a00\u3002\u901a\u904eSQL\u67e5\u8a62\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684SQL\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>-- \u7372\u53d6\u6240\u6709\u7528\u6236\u7684\u6578\u64da\nSELECT * FROM users;\n\n-- \u7372\u53d6\u7279\u5b9a\u689d\u4ef6\u7684\u6578\u64da\nSELECT * FROM orders WHERE status = 'completed';\n\n-- \u7372\u53d6\u7279\u5b9a\u5b57\u6bb5\u7684\u6578\u64da\nSELECT username, email FROM users;<\/code><\/pre>\n<p>\u4f7f\u7528SQL\u67e5\u8a62\u6642\uff0c\u78ba\u4fdd\u719f\u6089\u6578\u64da\u5eab\u7684\u7d50\u69cb\u548c\u8868\u4e4b\u9593\u7684\u95dc\u4fc2\uff0c\u4ee5\u4fbf\u80fd\u5920\u7de8\u5beb\u6709\u6548\u7684\u67e5\u8a62\u3002<\/p>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e5%b7%a5%e5%85%b7-NzTrTdYkxO\">2. \u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177<\/h2>\n<p>\u8a31\u591a\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff08\u5982phpMyAdmin\u3001MySQL Workbench\u3001DBeaver\u7b49\uff09\u63d0\u4f9b\u4e86\u5716\u5f62\u7528\u6236\u754c\u9762\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u901a\u904e\u9019\u4e9b\u5de5\u5177\u8f15\u9b06\u5730\u57f7\u884c\u67e5\u8a62\u548c\u7ba1\u7406\u6578\u64da\u3002\u9019\u4e9b\u5de5\u5177\u901a\u5e38\u652f\u6301\u4ee5\u4e0b\u529f\u80fd\uff1a<\/p>\n<ul>\n<li>\u53ef\u8996\u5316\u6578\u64da\u5eab\u7d50\u69cb<\/li>\n<li>\u7c21\u55ae\u7684\u67e5\u8a62\u7de8\u8f2f\u5668<\/li>\n<li>\u6578\u64da\u5c0e\u5165\u548c\u5c0e\u51fa\u529f\u80fd<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5728phpMyAdmin\u4e2d\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u9078\u64c7\u4e00\u500b\u8868\uff0c\u7136\u5f8c\u4f7f\u7528\u201c\u67e5\u8a62\u201d\u9078\u9805\u5361\u4f86\u7de8\u5beb\u548c\u57f7\u884cSQL\u67e5\u8a62\uff0c\u4e26\u67e5\u770b\u7d50\u679c\u3002<\/p>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8api%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a-NzTrTdYkxO\">3. \u4f7f\u7528API\u7372\u53d6\u6578\u64da<\/h2>\n<p>\u8a31\u591a\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u548c\u670d\u52d9\u63d0\u4f9bAPI\uff08\u61c9\u7528\u7a0b\u5e8f\u7de8\u7a0b\u63a5\u53e3\uff09\uff0c\u5141\u8a31\u958b\u767c\u8005\u901a\u904eHTTP\u8acb\u6c42\u7372\u53d6\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u7279\u5225\u9069\u5408\u65bc\u9700\u8981\u5f9e\u5916\u90e8\u7cfb\u7d71\u7372\u53d6\u6578\u64da\u7684\u60c5\u6cc1\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Python\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import requests\n\nresponse = requests.get('https:\/\/api.example.com\/data')\ndata = response.json()\n\nprint(data)<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u958b\u767c\u8005\u901a\u904eGET\u8acb\u6c42\u7372\u53d6API\u8fd4\u56de\u7684\u6578\u64da\uff0c\u4e26\u5c07\u5176\u8f49\u63db\u70baJSON\u683c\u5f0f\u9032\u884c\u8655\u7406\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e5%ba%ab-NzTrTdYkxO\">4. \u4f7f\u7528\u6578\u64da\u5eab\u9023\u63a5\u5eab<\/h2>\n<p>\u5728\u7de8\u7a0b\u4e2d\uff0c\u4f7f\u7528\u6578\u64da\u5eab\u9023\u63a5\u5eab\uff08\u5982Python\u7684SQLAlchemy\u3001Node.js\u7684pg\u7b49\uff09\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u9019\u4e9b\u5eab\u901a\u5e38\u63d0\u4f9b\u4e86\u7c21\u5316\u7684\u63a5\u53e3\u4f86\u57f7\u884c\u67e5\u8a62\u548c\u8655\u7406\u7d50\u679c\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Python\u7684SQLAlchemy\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>from sqlalchemy import create_engine\n\n# \u5275\u5efa\u6578\u64da\u5eab\u5f15\u64ce\nengine = create_engine('mysql+pymysql:\/\/user:password@localhost\/dbname')\n\n# \u7372\u53d6\u6578\u64da\nwith engine.connect() as connection:\n    result = connection.execute(\"SELECT * FROM users\")\n    for row in result:\n        print(row)<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528SQLAlchemy\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u4e26\u57f7\u884c\u67e5\u8a62\u3002<\/p>\n<h2 id=\"5-%e6%95%b8%e6%93%9a%e5%b0%8e%e5%87%ba%e5%92%8c%e5%b0%8e%e5%85%a5-NzTrTdYkxO\">5. \u6578\u64da\u5c0e\u51fa\u548c\u5c0e\u5165<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u5c07\u6578\u64da\u5c0e\u51fa\u5230\u6587\u4ef6\u4e2d\uff08\u5982CSV\u3001JSON\u7b49\u683c\u5f0f\uff09\uff0c\u6216\u5f9e\u6587\u4ef6\u4e2d\u5c0e\u5165\u6578\u64da\u3002\u5927\u591a\u6578\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u90fd\u63d0\u4f9b\u4e86\u9019\u4e9b\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c0e\u51fa\u6578\u64da\uff1a<\/p>\n<pre><code>-- \u5c07\u6578\u64da\u5c0e\u51fa\u5230CSV\u6587\u4ef6\nSELECT * FROM users INTO OUTFILE '\/path\/to\/users.csv' \nFIELDS TERMINATED BY ',' \nENCLOSED BY '\"' \nLINES TERMINATED BY 'n';<\/code><\/pre>\n<p>\u5c0e\u5165\u6578\u64da\u7684\u547d\u4ee4\u985e\u4f3c\uff0c\u53ea\u9700\u4f7f\u7528LOAD DATA INFILE\u547d\u4ee4\u5373\u53ef\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NzTrTdYkxO\">\u7e3d\u7d50<\/h2>\n<p>\u7372\u53d6\u6578\u64da\u5eab\u6578\u64da\u7684\u65b9\u6cd5\u591a\u7a2e\u591a\u6a23\uff0c\u5f9e\u57fa\u672c\u7684SQL\u67e5\u8a62\u5230\u4f7f\u7528API\u548c\u6578\u64da\u5eab\u9023\u63a5\u5eab\uff0c\u6bcf\u7a2e\u65b9\u6cd5\u90fd\u6709\u5176\u7279\u5b9a\u7684\u61c9\u7528\u5834\u666f\u3002\u4e86\u89e3\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u80fd\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\uff0c\u9084\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\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> \u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u7372\u53d6\u6578\u64da\u5eab\u6578\u64da\u7684\u5168\u9762\u65b9\u6cd5\uff0c\u5f9e\u67e5\u8a62\u8a9e\u8a00\u5230API\uff0c\u52a9\u4f60\u8f15\u9b06\u63d0\u53d6\u6240\u9700\u4fe1\u606f\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-161129","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161129","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=161129"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161129\/revisions"}],"predecessor-version":[{"id":161130,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161129\/revisions\/161130"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}