{"id":172841,"date":"2024-11-07T15:31:17","date_gmt":"2024-11-07T07:31:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172841\/"},"modified":"2024-11-07T15:31:18","modified_gmt":"2024-11-07T07:31:18","slug":"%e5%a6%82%e4%bd%95%e6%9f%a5%e6%89%be%e6%bb%bf%e8%b6%b3%e4%b8%89%e5%80%8b%e6%a2%9d%e4%bb%b6%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-%e6%9f%a5%e6%89%be%e6%bb%bf%e8%b6%b3%e4%b8%89%e5%80%8b%e6%a2%9d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172841\/","title":{"rendered":"\u5982\u4f55\u67e5\u627e\u6eff\u8db3\u4e09\u500b\u689d\u4ef6\u7684\u6578\u64da\u5eab\uff1f (\u67e5\u627e\u6eff\u8db3\u4e09\u500b\u689d\u4ef6\u7684\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 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id=\"%e4%bd%bf%e7%94%a8sql%e6%9f%a5%e8%a9%a2-aBRzrMKuLt\">\u4f7f\u7528SQL\u67e5\u8a62<\/h2>\n<p>\u5728\u5927\u591a\u6578\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u8a00\u4f86\u67e5\u8a62\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8bSQL\u67e5\u8a62\uff0c\u8a72\u67e5\u8a62\u5c07\u8fd4\u56de\u6eff\u8db3\u4e0a\u8ff0\u4e09\u500b\u689d\u4ef6\u7684\u7528\u6236\uff1a<\/p>\n<pre><code>\nSELECT * \nFROM users \nWHERE status = '\u555f\u7528' \nAND registration_date &gt; '2022-01-01' \nAND user_type = '\u4ed8\u8cbb';\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86\u4e09\u500b\u689d\u4ef6\u4f86\u7be9\u9078\u6578\u64da\u3002\u6bcf\u500b\u689d\u4ef6\u4e4b\u9593\u4f7f\u7528\u4e86AND\u904b\u7b97\u7b26\uff0c\u9019\u610f\u5473\u8457\u53ea\u6709\u7576\u6240\u6709\u689d\u4ef6\u90fd\u6eff\u8db3\u6642\uff0c\u8a72\u884c\u6578\u64da\u624d\u6703\u88ab\u8fd4\u56de\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8orm%e6%9f%a5%e8%a9%a2-aBRzrMKuLt\">\u4f7f\u7528ORM\u67e5\u8a62<\/h2>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f\u5c0d\u8c61\u95dc\u4fc2\u6620\u5c04\uff08ORM\uff09\u5de5\u5177\uff0c\u4f8b\u5982Django ORM\u6216SQLAlchemy\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u66f4\u9ad8\u7d1a\u7684\u8a9e\u6cd5\u4f86\u67e5\u8a62\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Django ORM\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nfrom datetime import datetime\nfrom myapp.models import User\n\nusers = User.objects.filter(\n    status='\u555f\u7528',\n    registration_date__gt=datetime(2022, 1, 1),\n    user_type='\u4ed8\u8cbb'\n)\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86Django\u7684filter\u65b9\u6cd5\u4f86\u67e5\u627e\u6eff\u8db3\u689d\u4ef6\u7684\u7528\u6236\u3002\u9019\u7a2e\u65b9\u6cd5\u4f7f\u5f97\u67e5\u8a62\u66f4\u52a0\u76f4\u89c0\uff0c\u4e26\u4e14\u4e0d\u9700\u8981\u76f4\u63a5\u7de8\u5bebSQL\u8a9e\u53e5\u3002<\/p>\n<h2 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