Navicat for SQLite<\/a>\uff0c\u4f18\u70b9\u662f\u754c\u9762\u7f8e\u89c2\uff0c\u529f\u80fd\u5f3a\u5927\uff0c\u7f3a\u70b9\u5219\u662f\u9700\u8981\u4ed8\u8d39\u6216\u8005\u548c\u8c10\u4e86\u3002<\/p>\n![\"\"](\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/07\/SQLite_03.png\")
<\/p>\n
\u00a0<\/h1>\nPython\u64cd\u4f5cSQLite<\/h1>\n
Python \u57282.5\u7248\u672c\u4ee5\u4e0a\u5c31\u5df2\u7ecf\u5185\u7f6e\u4e86 sqlite3\u5e93 \uff0c\u56e0\u6b64\u5728Python\u4e2d\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528SQLite\u3002<\/p>\n
\u00a0<\/h3>\n\u5bfc\u5165sqlite3\u5e93<\/h3>\n
\u5bfc\u5165\u65b9\u5f0f\u5f88\u7b80\u5355\uff0c\u76f4\u63a5import\u5373\u53ef\u3002<\/p>\n\n\n\n
\nimport sqlite3<\/span>\n<\/pre>\n\n\n\n\u00a0<\/h3>\n\u5efa\u7acb\u6570\u636e\u5e93\u8fde\u63a5<\/h3>\n
\u6570\u636e\u5e93\u5efa\u7acb\u8fde\u63a5\u65b9\u6cd5\u5982\u4e0b<\/p>\n\n\n\n
\ncon=sqlite3.connect("yumefx.db")<\/span>\n<\/pre>\n\n\n\n\u5982\u679cdb\u6587\u4ef6\u4e0d\u5b58\u5728\u7684\u8bdd\u4f1a\u81ea\u52a8\u521b\u5efa\uff0c\u5efa\u7acb\u8fde\u63a5\u6210\u529f\u540e\u4f1a\u8fd4\u56de\u4e00\u4e2aconnection\u5bf9\u8c61\u3002<\/p>\n
\u53ef\u4ee5\u4f7f\u7528 :memory:<\/code>\u00a0\u6765\u5728 RAM \u4e2d\u6253\u5f00\u4e00\u4e2a\u5230 database \u7684\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u800c\u4e0d\u662f\u5728\u78c1\u76d8\u4e0a\u6253\u5f00\u3002<\/p>\n\u5f53\u4e00\u4e2a\u6570\u636e\u5e93\u88ab\u591a\u4e2a\u8fde\u63a5\u8bbf\u95ee\uff0c\u4e14\u5176\u4e2d\u4e00\u4e2a\u4fee\u6539\u4e86\u6570\u636e\u5e93\uff0c\u6b64\u65f6 SQLite \u6570\u636e\u5e93\u88ab\u9501\u5b9a\uff0c\u76f4\u5230\u4e8b\u52a1\u63d0\u4ea4\u3002<\/p>\n
\u00a0<\/h3>\n\u521b\u5efa\u6e38\u6807\u5bf9\u8c61<\/h3>\n\n\n\n\ncur=con.cursor()<\/span>\n<\/pre>\n\n\n\n\u00a0<\/h3>\n\u6267\u884cSQL\u547d\u4ee4<\/h3>\n
\u4f7f\u7528\u6e38\u6807\u5bf9\u8c61\u7684execute\u65b9\u6cd5\u53ef\u4ee5\u6267\u884cSQL\u547d\u4ee4<\/p>\n\n\n\n
\ncur.execute("create table if not exists book(id primary key,name,tel)")<\/span>\n<\/pre>\n\n\n\n\u4e5f\u53ef\u4ee5\u901a\u8fc7executemany\u65b9\u6cd5\u6279\u91cf\u6267\u884c\u591a\u6761SQL\u547d\u4ee4<\/p>\n\n\n\n
\ncur.executemany("insert into book(id,name,tel) values(?,?,?)",[("book1","KON",18), ("book2","SOX",24)])<\/span>\n<\/pre>\n\n\n\n\u8fd8\u53ef\u4ee5\u901a\u8fc7executescript<\/code>\u65b9\u6cd5\u6267\u884c\u4e00\u4e2aSQL\u811a\u672c\uff0c\u811a\u672c\u4e2d\u6bcf\u4e2aSQL\u547d\u4ee4\u4e4b\u95f4\u8bb0\u5f97\u7528;<\/code>\u9694\u5f00\u3002<\/p>\n\u00a0<\/h3>\n\u6570\u636e\u5e93\u63d0\u4ea4\u548c\u56de\u6eda<\/h3>\n\n\n\n\ncon.commit()<\/span>\ncon.rollback()<\/span>\n<\/pre>\n\n\n\n\u6ce8\u610f\u63d0\u4ea4\u4e8b\u52a1\u548c\u56de\u6eda\u64cd\u4f5c\u662f\u5bf9\u6570\u636e\u5e93\u7684\u64cd\u4f5c\uff0c\u53ea\u6709\u6570\u636e\u5e93\u7684connection\u5bf9\u8c61\u624d\u5177\u6709\u63d0\u4ea4commit\u548c\u56de\u6edarollback\u7684\u4e24\u4e2a\u65b9\u6cd5\uff0c\u4e0d\u8981\u4e0e\u6e38\u6807\u5bf9\u8c61\u6df7\u6dc6\u3002<\/p>\n
\u00a0<\/h3>\n\u83b7\u53d6\u6e38\u6807\u5bf9\u8c61\u7684\u67e5\u8be2\u7ed3\u679c<\/h3>\n\n\n\n\ncur.execute("select id,name,tel from book")<\/span>\nfor row in cur:<\/span>\n print(row)<\/span>\n<\/pre>\n\n\n\n\u8fd8\u53ef\u4ee5\u901a\u8fc7fetchone()\u3001fetchmany(size)\u3001fetchall()\u65b9\u5f0f\uff0c\u6839\u636e\u6e38\u6807\u73b0\u5728\u7684\u4f4d\u7f6e\u8fdb\u884c\u67e5\u8be2\u7ed3\u679c\u7684\u904d\u5386\u3002<\/p>\n\n\n\n
\ncur.execute("select id,name,tel from book")<\/span>\nprint(cur.fetchone())<\/span>\nprint(cur.fetchmany(3))<\/span>\nprint(cur.fetchall())<\/span>\n<\/pre>\n\n\n\n\u4f7f\u7528cursor\u5bf9\u8c61\u6267\u884cselect\u8bed\u53e5\u65f6\uff0c\u4f7f\u7528fetchcall\u65b9\u6cd5\u8fd4\u56de\u7684\u662f\u67e5\u8be2\u7ed3\u679c\u96c6\u3002\u7ed3\u679c\u96c6\u662f\u4e00\u4e2alist\uff0c\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2atuple\uff0c\u5bf9\u5e94\u4e00\u884c\u8bb0\u5f55\uff0c\u6309\u5efa\u8868\u7684\u5b57\u6bb5\u987a\u5e8f\u6392\u5217\u3002<\/p>\n
fetchone\u53ea\u8fd4\u56de\u4e00\u6761\u7ed3\u679c\uff0c\u662f\u4e00\u4e2atuple\uff0c\u6bcf\u4e2a\u5143\u7d20\u662f\u4e00\u4e2a\u5b57\u6bb5\u503c\u3002<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cSQLite\u6e38\u6807\u662f\u6709\u72b6\u6001\u7684\uff0c\u53ea\u80fd\u904d\u5386\u7ed3\u679c\u96c6\u4e00\u6b21\uff0c\u4e0d\u80fd\u5728\u7ed3\u679c\u96c6\u4e2d\u8fd4\u56de\u79fb\u52a8\uff0c\u904d\u5386\u7ed3\u675f\u4f1a\u8fd4\u56de\u7a7a\u503c\u3002<\/p>\n
\u00a0<\/h3>\n\u5173\u95ed\u6e38\u6807\u5bf9\u8c61\u548c\u6570\u636e\u5e93\u8fde\u63a5<\/h3>\n\n\n\n\ncur.close() #\u5173\u95ed\u6e38\u6807\u5bf9\u8c61<\/span>\ncon.close() #\u5173\u95edconnection\u5bf9\u8c61<\/span>\n<\/pre>\n\n\n\n\n\n
\n\n\n\n\u4e16\u4e0a\u7684\u4eba\u5927\u534a\u4e0d\u4f1a\u7528\u81ea\u5df1\u7684\u8111\u888b\u601d\u8003\uff0c
\u800c\u4e14\u8d8a\u662f\u4e0d\u601d\u8003\u7684\u4eba\uff0c\u8d8a\u4e0d\u613f\u503e\u542c\u522b\u4eba\u8bf4\u8bdd\u3002<\/p>\n
\u300aIQ84\u300b
\u2014\u2014\u6751\u4e0a\u6625\u6811<\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u524d\u8a00 \u63d0\u5230\u6570\u636e\u5e93\uff0c\u9996\u5148\u4f1a\u60f3\u5230\u7684\u5c31\u662fMySql\uff0c\u4f5c\u4e3a\u6700\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff0c\u51ed\u501f\u5176\u4f53\u79ef\u5c0f\u3001\u901f\u5ea6\u5feb\u3001\u5f00\u6e90\u514d\u8d39\u7b49\u4f18\u70b9\uff0c […]<\/p>\n","protected":false},"author":1,"featured_media":5384,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[12,4],"tags":[37,14,55],"_links":{"self":[{"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/posts\/5376"}],"collection":[{"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5376"}],"version-history":[{"count":0,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/posts\/5376\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=\/wp\/v2\/media\/5384"}],"wp:attachment":[{"href":"https:\/\/www.yumefx.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yumefx.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\"](\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/07\/SQLite_01.jpg\")
<\/p>\n![\"\"](\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/07\/SQLite_02.jpg\")
<\/p>\n