{"id":420684,"date":"2021-04-01T15:56:11","date_gmt":"2021-04-01T07:56:11","guid":{"rendered":"http:\/\/4563.org\/?p=420684"},"modified":"2021-04-01T15:56:11","modified_gmt":"2021-04-01T07:56:11","slug":"sqlalchemy-%e5%8a%a8%e6%80%81%e8%8e%b7%e5%8f%96-model-%e7%b1%bb","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=420684","title":{"rendered":"sqlalchemy \u52a8\u6001\u83b7\u53d6 model \u7c7b"},"content":{"rendered":"
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sqlalchemy \u52a8\u6001\u83b7\u53d6 model \u7c7b <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : renvip <\/span> <\/i> 0<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
RT\uff0c\u7a0b\u5e8f\u4f1a\u65b0\u589e\u8868\uff0c\u4f46\u8fd9\u4e9b\u8868\u7684\u6570\u636e\u7ed3\u6784\u4e00\u81f4\uff0c\u5982\u4f55\u5199\u4e00\u4e2a\u65b9\u6cd5\uff0c\u52a8\u6001\u83b7\u53d6 model \u7c7b\uff0c\u7136\u540e\u4f7f\u7528 orm \u8fdb\u884c\u8868\u7684\u589e\u5220\u6539\u67e5\u3002\u7f51\u4e0a\u6709\u4e00\u4e9b\uff0c\u4f46\u662f\u53ef\u80fd\u6709\u5751\u548c\u7f3a\u9677\uff0c\u95ee\u95ee\u5927\u4f6c\u6709\u6ca1\u6709\u5b9e\u73b0\u8fc7\uff0c\u907f\u514d\u9020\u8f6e\u5b50\u3002\u601d\u8def\uff0c\u5b9a\u4e49\u4e00\u4e2a get_model(tablename)\u65b9\u6cd5\uff0c\u4f20\u9012\u8868\u540d\uff0c\u8fd4\u56de\u4e00\u4e2a model \u7c7b\uff0c\u7136\u540e\u53ef\u4ee5\u7528 model \u7c7b\u76f4\u63a5\u8fdb\u884c\u8868\u7684\u589e\u5220\u6539\u67e5\uff0c\u81f3\u4e8e\u521b\u5efa\u65b0\u8868\uff0c\u5728\u65b9\u6cd5\u91cc\u5224\u65ad\u4e00\u4e0b\uff0c\u8fd9\u4e2a\u8868\u5728\u6570\u636e\u5e93\u5b58\u5728\u4e0d\u5b58\u5728\uff0c\u5b58\u5728\u5c31\u4e0d\u521b\u5efa\uff0c\u4e0d\u5b58\u5728\u5c31\u521b\u5efa\u3002
\u53c2\u8003\u94fe\u63a5\uff1abase64
aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2phY2tlMTIxL2FydGljbGUvZGV0YWlscy84OTI5MjcyNg==
aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0pfT2JqZWN0L2FydGljbGUvZGV0YWlscy84MDExMTc0Ng==
aHR0cHM6Ly93d3cuaXQ2MTAuY29tL2FydGljbGUvMTI5MjYwMzk0NjAxOTM5NzYzMi5odG0= <\/div>\n
\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (3<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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  • \n
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    \u8cc7\u6df1\u5927\u4f6c : amoyiki <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    _decl_class_registry[str(class_name)]<\/p>\n

    https:\/\/xieyugui.wordpress.com\/2015\/04\/17\/sqlalchemy-%E4%BD%BF%E7%94%A8%E5%8A%A8%E6%80%81model%E5%92%8C%E5%8A%A8%E6%80%81%E5%88%9B%E5%BB%BA%E8%A1%A8\/ <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
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    \u8cc7\u6df1\u5927\u4f6c : wonderay <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    “\u81f3\u4e8e\u521b\u5efa\u65b0\u8868\uff0c\u5728\u65b9\u6cd5\u91cc\u5224\u65ad\u4e00\u4e0b\uff0c\u8fd9\u4e2a\u8868\u5728\u6570\u636e\u5e93\u5b58\u5728\u4e0d\u5b58\u5728\uff0c\u5b58\u5728\u5c31\u4e0d\u521b\u5efa\uff0c\u4e0d\u5b58\u5728\u5c31\u521b\u5efa\u3002”<\/p>\n

    \u4f60\u662f\u60f3\u901a\u8fc7\u8868\u7ed3\u6784\uff0c \u751f\u6210\u5bf9\u5e94\u7684 model\uff0c \u65e2\u7136\u8868\u90fd\u4e0d\u5b58\u5728\uff0cmodel \u4e5f\u5c31\u65e0\u4ece\u751f\u6210\uff0c \u90a3\u8fd8\u600e\u4e48\u521b\u5efa\u5462\uff1f <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : renvip <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @wonderay \u6211\u53ef\u4ee5\u4f7f\u7528 db.create_all()\u5efa\u8868 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    sqlalchemy \u52a8\u6001\u83b7\u53d6 m…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/420684"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=420684"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/420684\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=420684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=420684"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=420684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}