<\/p>\n
Python \u4e2d\u7684 prepare() \u65b9\u6cd5\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5728\u57f7\u884c SQL \u6307\u4ee4\u4e4b\u524d\uff0c\u5c07\u6307\u4ee4\u7de8\u8b6f\u6210\u4e00\u500b\u7279\u5b9a\u7684\u683c\u5f0f\uff0c\u5f9e\u800c\u63d0\u5347\u57f7\u884c\u6548\u7387\u4e26\u589e\u5f37\u5b89\u5168\u6027\u3002\u96a8\u8457 2025 \u5e74\u7684\u5230\u4f86\uff0c\u4e86\u89e3\u9019\u500b\u51fd\u6578\u7684\u6700\u4f73\u5be6\u8e10\u8b8a\u5f97\u6108\u52a0\u91cd\u8981\u3002<\/p>\n
## prepare() \u65b9\u6cd5\u7684\u57fa\u672c\u8a9e\u6cd5<\/p>\n
prepare() \u65b9\u6cd5\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
“`python
\ncursor.prepare(sql)
\n“`<\/p>\n
\u5728\u9019\u88e1\uff0c`cursor` \u662f\u4e00\u500b\u6307\u5411\u7279\u5b9a\u8cc7\u6599\u5eab\u7684\u6e38\u6a19\uff0c\u800c `sql` \u5247\u662f\u8981\u57f7\u884c\u7684 SQL \u6307\u4ee4\u3002<\/p>\n
## \u4f7f\u7528\u6d41\u7a0b<\/p>\n
\u4f7f\u7528 prepare() \u65b9\u6cd5\u7684\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n
1. \u5c07 SQL \u6307\u4ee4\u7de8\u8b6f\u6210\u7279\u5b9a\u683c\u5f0f\u3002
\n2. \u5c07\u7de8\u8b6f\u5f8c\u7684\u6307\u4ee4\u5132\u5b58\u5728\u8cc7\u6599\u5eab\u4e2d\u3002
\n3. \u5c07\u7de8\u8b6f\u5f8c\u7684\u6307\u4ee4\u50b3\u9001\u5230\u8cc7\u6599\u5eab\u4f3a\u670d\u5668\u3002
\n4. \u57f7\u884c\u8a72\u6307\u4ee4\u3002<\/p>\n
\u9019\u6a23\u7684\u6d41\u7a0b\u80fd\u5920\u6709\u6548\u63d0\u5347 SQL \u6307\u4ee4\u7684\u57f7\u884c\u6548\u7387\uff0c\u56e0\u70ba\u8cc7\u6599\u5eab\u4f3a\u670d\u5668\u53ef\u4ee5\u66f4\u5bb9\u6613\u8b58\u5225\u548c\u57f7\u884c\u9019\u4e9b\u6307\u4ee4\u3002<\/p>\n
## \u512a\u52e2\u5206\u6790<\/p>\n
### 1. \u63d0\u5347\u57f7\u884c\u6548\u7387
\n\u4f7f\u7528 prepare() \u65b9\u6cd5\u53ef\u4ee5\u8b93 SQL \u6307\u4ee4\u5728\u57f7\u884c\u4e4b\u524d\u5f97\u5230\u512a\u5316\uff0c\u9019\u6a23\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u7684\u901f\u5ea6\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u591a\u6b21\u57f7\u884c\u76f8\u540c\u67e5\u8a62\u6642\u3002<\/p>\n
### 2. \u9632\u6b62 SQL \u6ce8\u5165\u653b\u64ca
\nprepare() \u65b9\u6cd5\u80fd\u6709\u6548\u9632\u6b62 SQL \u6ce8\u5165\u653b\u64ca\uff0c\u56e0\u70ba\u5b83\u5c07\u6307\u4ee4\u7de8\u8b6f\u6210\u5b89\u5168\u7684\u683c\u5f0f\uff0c\u964d\u4f4e\u4e86\u60e1\u610f\u6307\u4ee4\u6df7\u5165\u6b63\u5e38\u6307\u4ee4\u7684\u98a8\u96aa\u3002<\/p>\n
## \u5be6\u4f5c\u7bc4\u4f8b<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u500b\u5be6\u4f5c\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 prepare() \u65b9\u6cd5\uff1a<\/p>\n
“`python
\nimport sqlite3<\/p>\n
# \u9023\u63a5\u5230\u8cc7\u6599\u5eab
\nconnection = sqlite3.connect(‘example.db’)
\ncursor = connection.cursor()<\/p>\n
# \u6e96\u5099 SQL \u6307\u4ee4
\nsql = “INSERT INTO users (name, age) VALUES (?, ?)”
\ncursor.prepare(sql)<\/p>\n
# \u57f7\u884c\u6307\u4ee4
\ncursor.execute((“Alice”, 30))
\ncursor.execute((“Bob”, 25))<\/p>\n
# \u63d0\u4ea4\u8b8a\u66f4\u4e26\u95dc\u9589\u9023\u63a5
\nconnection.commit()
\nconnection.close()
\n“`<\/p>\n
\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 prepare() \u65b9\u6cd5\u4f86\u5b89\u5168\u5730\u63d2\u5165\u6578\u64da\uff0c\u9019\u6a23\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6548\u7387\uff0c\u9084\u589e\u52a0\u4e86\u5b89\u5168\u6027\u3002<\/p>\n
## \u932f\u8aa4\u6392\u9664<\/p>\n
\u5728\u4f7f\u7528 prepare() \u65b9\u6cd5\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u932f\u8aa4\uff1a<\/p>\n
– **\u8cc7\u6599\u5eab\u9023\u63a5\u5931\u6557**\uff1a\u78ba\u4fdd\u8cc7\u6599\u5eab\u8def\u5f91\u6b63\u78ba\u4e14\u8cc7\u6599\u5eab\u670d\u52d9\u904b\u884c\u6b63\u5e38\u3002
\n– **SQL \u8a9e\u6cd5\u932f\u8aa4**\uff1a\u6aa2\u67e5 SQL \u6307\u4ee4\u7684\u8a9e\u6cd5\u662f\u5426\u6b63\u78ba\uff0c\u7279\u5225\u662f\u4f7f\u7528\u4f54\u4f4d\u7b26\u6642\u3002<\/p>\n
## \u5ef6\u4f38\u61c9\u7528<\/p>\n
prepare() \u65b9\u6cd5\u4e0d\u50c5\u9650\u65bc\u63d2\u5165\u64cd\u4f5c\uff0c\u9084\u53ef\u4ee5\u7528\u65bc\u67e5\u8a62\u548c\u66f4\u65b0\u64cd\u4f5c\u3002\u5b78\u6703\u5982\u4f55\u5728\u4e0d\u540c\u5834\u666f\u4e2d\u9748\u6d3b\u904b\u7528\uff0c\u5c07\u6709\u52a9\u65bc\u60a8\u63d0\u5347\u6574\u9ad4\u7684\u958b\u767c\u6548\u7387\u3002<\/p>\n
\u5982\u679c\u60a8\u60f3\u6df1\u5165\u4e86\u89e3 Python \u7684\u8cc7\u6599\u5eab\u64cd\u4f5c\uff0c\u5efa\u8b70\u53c3\u8003\u4ee5\u4e0b\u8cc7\u6e90\uff1a[Python \u8cc7\u6599\u5eab\u64cd\u4f5c\u6559\u5b78](https:\/\/vocus.cc\/article\/605f8f4cdfd9d60001b2a2a6)\u3002<\/p>\n
—<\/p>\n
## Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n
**Q1: prepare() \u65b9\u6cd5\u5728\u4ec0\u9ebc\u60c5\u6cc1\u4e0b\u7279\u5225\u6709\u7528\uff1f**
\nA1: \u7576\u9700\u8981\u57f7\u884c\u76f8\u540c\u7684 SQL \u6307\u4ee4\u591a\u6b21\u6642\uff0c\u4f7f\u7528 prepare() \u65b9\u6cd5\u80fd\u986f\u8457\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n
**Q2: prepare() \u65b9\u6cd5\u80fd\u4fdd\u8b49 SQL \u6307\u4ee4\u7684\u5b89\u5168\u6027\u55ce\uff1f**
\nA2: \u96d6\u7136 prepare() \u65b9\u6cd5\u5927\u5e45\u964d\u4f4e\u4e86 SQL \u6ce8\u5165\u7684\u98a8\u96aa\uff0c\u4f46\u4ecd\u9700\u9075\u5faa\u5176\u4ed6\u5b89\u5168\u5be6\u8e10\u3002<\/p>\n
**Q3: \u4ec0\u9ebc\u8cc7\u6599\u5eab\u652f\u63f4 prepare() \u65b9\u6cd5\uff1f**
\nA3: \u5e38\u898b\u7684\u8cc7\u6599\u5eab\u5982 SQLite\u3001PostgreSQL \u548c MySQL \u90fd\u652f\u63f4 prepare() \u65b9\u6cd5\u3002<\/p>\n
—<\/p>\n","protected":false},"excerpt":{"rendered":"
Prepare()\u51fd\u6578\u662fPython\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u51fd\u6578\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u6e96\u5099\u548c\u7ba1\u7406\u7a0b\u5e8f\u3002\u672c\u6587\u5c07\u4ecb\u7d39Prepare()\u51fd\u6578\u7684\u529f\u80fd\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6548\u7387\u3002<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[15],"class_list":["post-3330","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2022\/12\/DALL\u00b7E-2022-12-28-14.25.55-\u62f7\u8c9d2.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-RI","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=3330"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3330\/revisions"}],"predecessor-version":[{"id":12865,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3330\/revisions\/12865"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}