{"id":185264,"date":"2024-11-10T20:06:17","date_gmt":"2024-11-10T12:06:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185264\/"},"modified":"2024-11-10T20:06:18","modified_gmt":"2024-11-10T12:06:18","slug":"%e4%bd%bf%e7%94%a8sqlite%e5%af%a6%e7%8f%be%e9%80%90%e8%a1%8c%e8%ae%80%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%ef%bc%88sqlite%e9%80%90%e8%a1%8c%e8%ae%80%e5%8f%96%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185264\/","title":{"rendered":"\u4f7f\u7528SQLite\u5be6\u73fe\u9010\u884c\u8b80\u53d6\u6578\u64da\u5eab\u64cd\u4f5c\uff08sqlite\u9010\u884c\u8b80\u53d6\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 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id=\"sqlite%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-mtNgavrgAc\">SQLite\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>SQLite\u662f\u4e00\u500b\u81ea\u7d66\u81ea\u8db3\u7684\u3001\u7121\u4f3a\u670d\u5668\u7684\u3001\u96f6\u914d\u7f6e\u7684SQL\u6578\u64da\u5eab\u5f15\u64ce\u3002\u5b83\u7684\u6578\u64da\u5eab\u6587\u4ef6\u662f\u55ae\u4e00\u7684\u6587\u4ef6\uff0c\u9019\u4f7f\u5f97\u6578\u64da\u7684\u7ba1\u7406\u548c\u5099\u4efd\u8b8a\u5f97\u975e\u5e38\u65b9\u4fbf\u3002SQLite\u652f\u6301\u5927\u591a\u6578SQL\u6a19\u6e96\uff0c\u4e26\u4e14\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5305\u62ec\u6574\u6578\u3001\u5be6\u6578\u3001\u6587\u672c\u548cBlob\u7b49\u3002<\/p>\n<h2 id=\"%e9%80%90%e8%a1%8c%e8%ae%80%e5%8f%96%e6%95%b8%e6%93%9a%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-mtNgavrgAc\">\u9010\u884c\u8b80\u53d6\u6578\u64da\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u9700\u8981\u9010\u884c\u8b80\u53d6\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u6642\uff0c\u9010\u884c\u8b80\u53d6\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\u3002<\/li>\n<li>\u9700\u8981\u5c0d\u6bcf\u4e00\u884c\u6578\u64da\u9032\u884c\u7279\u5b9a\u7684\u8655\u7406\u6216\u8a08\u7b97\u3002<\/li>\n<li>\u5728\u6578\u64da\u6d41\u7684\u60c5\u6cc1\u4e0b\uff0c\u9010\u884c\u8b80\u53d6\u53ef\u4ee5\u5be6\u73fe\u5373\u6642\u8655\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8sqlite%e9%80%90%e8%a1%8c%e8%ae%80%e5%8f%96%e6%95%b8%e6%93%9a%e7%9a%84%e6%ad%a5%e9%a9%9f-mtNgavrgAc\">\u4f7f\u7528SQLite\u9010\u884c\u8b80\u53d6\u6578\u64da\u7684\u6b65\u9a5f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528SQLite\u9010\u884c\u8b80\u53d6\u6578\u64da\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%ae%89%e8%a3%9dsqlite-mtNgavrgAc\">1. \u5b89\u88ddSQLite<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u4f60\u7684\u7cfb\u7d71\u4e0a\u5df2\u7d93\u5b89\u88dd\u4e86SQLite\u3002\u4f60\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5\u662f\u5426\u5df2\u5b89\u88dd\uff1a<\/p>\n<pre><code>sqlite3 --version<\/code><\/pre>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e5%92%8c%e8%a1%a8-mtNgavrgAc\">2. \u5275\u5efa\u6578\u64da\u5eab\u548c\u8868<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u5275\u5efa\u4e00\u500b\u6578\u64da\u5eab\u548c\u4e00\u500b\u8868\u4f86\u5b58\u5132\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u6578\u64da\u5eab\u548c\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>sqlite3 mydatabase.db\nCREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER);\nINSERT INTO users (name, age) VALUES ('Alice', 30);\nINSERT INTO users (name, age) VALUES ('Bob', 25);\n<\/code><\/pre>\n<h3 id=\"3-%e9%80%90%e8%a1%8c%e8%ae%80%e5%8f%96%e6%95%b8%e6%93%9a-mtNgavrgAc\">3. \u9010\u884c\u8b80\u53d6\u6578\u64da<\/h3>\n<p>\u4f7f\u7528SQLite\u7684C\u8a9e\u8a00API\u6216\u5176\u4ed6\u8a9e\u8a00\u7684SQLite\u5eab\u4f86\u9010\u884c\u8b80\u53d6\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Python\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import sqlite3\n\n# \u9023\u63a5\u5230\u6578\u64da\u5eab\nconn = sqlite3.connect('mydatabase.db')\ncursor = conn.cursor()\n\n# \u57f7\u884c\u67e5\u8a62\ncursor.execute(\"SELECT * FROM users\")\n\n# \u9010\u884c\u8b80\u53d6\u6578\u64da\nfor row in cursor.fetchall():\n    print(row)\n\n# \u95dc\u9589\u9023\u63a5\nconn.close()\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u7136\u5f8c\u57f7\u884c\u67e5\u8a62\u4ee5\u9078\u64c7\u6240\u6709\u7528\u6236\u3002\u63a5\u8457\uff0c\u6211\u5011\u4f7f\u7528`fetchall()`\u65b9\u6cd5\u4f86\u7372\u53d6\u6240\u6709\u7d50\u679c\uff0c\u4e26\u9010\u884c\u6253\u5370\u51fa\u4f86\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e7%94%9f%e6%88%90%e5%99%a8%e9%80%90%e8%a1%8c%e8%ae%80%e5%8f%96-mtNgavrgAc\">4. \u4f7f\u7528\u751f\u6210\u5668\u9010\u884c\u8b80\u53d6<\/h3>\n<p>\u5982\u679c\u6578\u64da\u96c6\u975e\u5e38\u5927\uff0c\u4f7f\u7528`fetchall()`\u53ef\u80fd\u6703\u5c0e\u81f4\u5167\u5b58\u4e0d\u8db3\u3002\u9019\u6642\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u5668\u9010\u884c\u8b80\u53d6\u6578\u64da\uff1a<\/p>\n<pre><code>def read_users():\n    conn = sqlite3.connect('mydatabase.db')\n    cursor = conn.cursor()\n    cursor.execute(\"SELECT * FROM users\")\n    for row in cursor:\n        yield row\n    conn.close()\n\nfor user in read_users():\n    print(user)\n<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u5be6\u73fe\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u6642\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mtNgavrgAc\">\u7e3d\u7d50<\/h2>\n<p>\u9010\u884c\u8b80\u53d6SQLite\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u6280\u8853\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u6642\u3002\u901a\u904e\u4f7f\u7528SQLite\u7684API\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u7121\u8ad6\u662f\u4f7f\u7528Python\u9084\u662f\u5176\u4ed6\u7de8\u7a0b\u8a9e\u8a00\uff0c\u9010\u884c\u8b80\u53d6\u90fd\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u8655\u7406\u7684\u6548\u7387\u548c\u9748\u6d3b\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u904b\u884c\u60a8\u7684SQLite\u6578\u64da\u5eab\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528SQLite\u9010\u884c\u8b80\u53d6\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u7c21\u5316\u67e5\u8a62\u64cd\u4f5c\uff0c\u9069\u5408\u5404\u985e\u61c9\u7528\u958b\u767c\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-185264","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185264","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=185264"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185264\/revisions"}],"predecessor-version":[{"id":185265,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185264\/revisions\/185265"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185264"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185264"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185264"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}