{"id":24115,"date":"2024-11-21T12:42:12","date_gmt":"2024-11-21T04:42:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/24115\/"},"modified":"2024-11-21T12:42:12","modified_gmt":"2024-11-21T04:42:12","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8webman%e6%a1%86%e6%9e%b6%e5%ae%9e%e7%8e%b0%e6%95%b0%e6%8d%ae%e5%88%86%e6%9e%90%e5%92%8c%e7%bb%9f%e8%ae%a1%e5%8a%9f%e8%83%bd%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/24115\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Webman\u6846\u67b6\u5b9e\u73b0\u6570\u636e\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\uff1f"},"content":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528webman\u6846\u67b6\u5b9e\u73b0\u6570\u636e\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\uff1f<\/p>\n<p>\u5f15\u8a00\uff1a<br \/>\u5728\u5f53\u4eca\u4fe1\u606f\u5316\u7684\u65f6\u4ee3\uff0c\u5927\u6570\u636e\u7684\u5e94\u7528\u8d8a\u6765\u8d8a\u5e7f\u6cdb\u3002\u800c\u5bf9\u4e8e\u6570\u636e\u7684\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\u6765\u8bf4\uff0c\u5f80\u5f80\u9700\u8981\u501f\u52a9\u4e8e\u4e00\u4e9b\u4e13\u95e8\u7684\u6846\u67b6\u548c\u5de5\u5177\u6765\u5b9e\u73b0\u3002Webman\u6846\u67b6\u5c31\u662f\u8fd9\u6837\u7684\u4e00\u4e2a\u4f18\u79c0\u6846\u67b6\uff0c\u5b83\u63d0\u4f9b\u4e86\u5f88\u591a\u65b9\u4fbf\u7684\u529f\u80fd\u548c\u5de5\u5177\uff0c\u4f7f\u5f97\u6211\u4eec\u5728\u5f00\u53d1\u6570\u636e\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\u65f6\u66f4\u52a0\u8f7b\u677e\u548c\u9ad8\u6548\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Webman\u6846\u67b6\u5b9e\u73b0\u6570\u636e\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\uff0c\u5e76\u7ed9\u51fa\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001Webman\u6846\u67b6\u7b80\u4ecb<br \/>Webman\u662f\u4e00\u4e2a\u57fa\u4e8ePython\u7684Web\u5f00\u53d1\u6846\u67b6\uff0c\u81f4\u529b\u4e8e\u63d0\u4f9b\u4e00\u79cd\u7b80\u5355\u3001\u9ad8\u6548\u3001\u6613\u7528\u7684\u65b9\u5f0f\u6765\u5f00\u53d1Web\u5e94\u7528\u7a0b\u5e8f\u3002\u5b83\u7684\u7279\u70b9\u662f\u8f7b\u91cf\u7ea7\u3001\u6613\u4e8e\u5b66\u4e60\u548c\u6269\u5c55\uff0c\u540c\u65f6\u5177\u5907\u7075\u6d3b\u6027\u548c\u9ad8\u6027\u80fd\u3002\u4f7f\u7528Webman\u6846\u67b6\uff0c\u53ef\u4ee5\u5feb\u901f\u6784\u5efa\u51fa\u4e00\u4e2a\u529f\u80fd\u5b8c\u5584\u7684Web\u5e94\u7528\uff0c\u5e76\u5b9e\u73b0\u6570\u636e\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\u3002<\/p>\n<p>\u4e8c\u3001\u6570\u636e\u5206\u6790\u529f\u80fd\u5b9e\u73b0\u793a\u4f8b<\/p>\n<ol>\n<li>\u6570\u636e\u83b7\u53d6<br \/>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4ece\u6570\u636e\u5e93\u6216\u5176\u4ed6\u6570\u636e\u6e90\u4e2d\u83b7\u53d6\u6570\u636e\u3002\u5728Webman\u6846\u67b6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u636e\u5e93\u8bbf\u95ee\u5de5\u5177\uff08\u5982SQLAlchemy\uff09\u6216\u8005API\u63a5\u53e3\u6765\u83b7\u53d6\u6570\u636e\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528SQLAlchemy\u8fde\u63a5SQLite\u6570\u636e\u5e93\uff0c\u83b7\u53d6\u6570\u636e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n<pre>from sqlalchemy import create_engine\nfrom sqlalchemy.orm import sessionmaker\n\n# \u521b\u5efa\u6570\u636e\u5e93\u8fde\u63a5\u5f15\u64ce\nengine = create_engine('sqlite:\/\/\/data.db', echo=True)\n\n# \u521b\u5efaSession\u5bf9\u8c61\nSession = sessionmaker(bind=engine)\nsession = Session()\n\n# \u6267\u884c\u67e5\u8be2\u8bed\u53e5\uff0c\u83b7\u53d6\u6570\u636e\nresult = session.query(User).all()\n\n# \u5173\u95edSession\nsession.close()\n\n# \u5904\u7406\u6570\u636e...<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u6570\u636e\u5904\u7406\u548c\u5206\u6790<br \/>\u83b7\u53d6\u5230\u6570\u636e\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u6570\u636e\u8fdb\u884c\u5904\u7406\u548c\u5206\u6790\u3002Webman\u6846\u67b6\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u5904\u7406\u548c\u7edf\u8ba1\u529f\u80fd\uff0c\u5305\u62ec\u6392\u5e8f\u3001\u8fc7\u6ee4\u3001\u805a\u5408\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n<pre># \u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f\nsorted_result = sorted(result, key=lambda x: x.name)\n\n# \u5bf9\u6570\u636e\u8fdb\u884c\u8fc7\u6ee4\nfiltered_result = [x for x in sorted_result if x.age &amp;gt; 20]\n\n# \u5bf9\u6570\u636e\u8fdb\u884c\u805a\u5408\ngrouped_result = {}\nfor x in filtered_result:\n    if x.city in grouped_result:\n        grouped_result[x.city] += 1\n    else:\n        grouped_result[x.city] = 1\n\n# \u5904\u7406\u5206\u6790\u7ed3\u679c...<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<ol>\n<li>\u6570\u636e\u5c55\u793a\u548c\u53ef\u89c6\u5316<br \/>\u6700\u540e\uff0c\u6211\u4eec\u9700\u8981\u5c06\u5904\u7406\u548c\u5206\u6790\u7684\u7ed3\u679c\u5c55\u793a\u51fa\u6765\uff0c\u5e76\u8fdb\u884c\u53ef\u89c6\u5316\u3002\u5728Webman\u6846\u67b6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a21\u677f\u5f15\u64ce\u548c\u524d\u7aef\u6846\u67b6\u6765\u5b9e\u73b0\u6570\u636e\u5c55\u793a\u548c\u53ef\u89c6\u5316\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Jinja2\u6a21\u677f\u5f15\u64ce\u751f\u6210HTML\u9875\u9762\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n<pre>from jinja2 import Template\n\n# \u5b9a\u4e49HTML\u6a21\u677f\ntemplate = Template('''\n    <\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<table>\n  {% for city, count in grouped_result.items() %} <\/p>\n<tbody>\n<tr>\n<td>{{ city }}<\/td>\n<td>{{ count }}<\/td>\n<\/tr>\n<p> {% endfor %}<br \/>\n <\/tbody>\n<\/table>\n<p> &#8221;&#8217;) # \u6e32\u67d3\u6a21\u677f\uff0c\u751f\u6210HTML\u9875\u9762 html = template.render(grouped_result=grouped_result) # \u8fd4\u56deHTML\u9875\u9762\u7ed9\u7528\u6237 return html <\/p>\n<p>\u7ed3\u8bed\uff1a<br \/>\u4f7f\u7528Webman\u6846\u67b6\u53ef\u4ee5\u8f7b\u677e\u5730\u5b9e\u73b0\u6570\u636e\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\uff0c\u5e76\u4e14\u5177\u6709\u9ad8\u5ea6\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528Webman\u6846\u67b6\u5b9e\u73b0\u6570\u636e\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\uff0c\u5e76\u7ed9\u51fa\u4e86\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u5e0c\u671b\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\uff0c\u6b22\u8fce\u5927\u5bb6\u5c1d\u8bd5\u4f7f\u7528Webman\u6846\u67b6\u5f00\u53d1\u6570\u636e\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528Webman\u6846\u67b6\u5b9e\u73b0\u6570\u636e\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528webman\u6846\u67b6\u5b9e\u73b0\u6570\u636e\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\uff1f \u5f15\u8a00\uff1a\u5728\u5f53\u4eca\u4fe1\u606f\u5316\u7684\u65f6\u4ee3\uff0c\u5927\u6570\u636e\u7684\u5e94\u7528\u8d8a\u6765\u8d8a\u5e7f\u6cdb\u3002\u800c\u5bf9\u4e8e\u6570\u636e\u7684\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\u6765\u8bf4\uff0c\u5f80\u5f80\u9700\u8981\u501f\u52a9\u4e8e\u4e00\u4e9b\u4e13\u95e8\u7684\u6846\u67b6\u548c\u5de5\u5177\u6765\u5b9e\u73b0\u3002Webman\u6846\u67b6\u5c31\u662f\u8fd9\u6837\u7684\u4e00\u4e2a\u4f18\u79c0\u6846\u67b6\uff0c\u5b83\u63d0\u4f9b\u4e86\u5f88\u591a\u65b9\u4fbf\u7684\u529f\u80fd\u548c\u5de5\u5177\uff0c\u4f7f\u5f97\u6211\u4eec\u5728\u5f00\u53d1\u6570\u636e\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\u65f6\u66f4\u52a0\u8f7b\u677e\u548c\u9ad8\u6548\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Webman\u6846\u67b6\u5b9e\u73b0\u6570\u636e\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\uff0c\u5e76\u7ed9\u51fa\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001Webman\u6846\u67b6\u7b80\u4ecbWebman\u662f\u4e00\u4e2a\u57fa\u4e8ePython\u7684Web\u5f00\u53d1\u6846\u67b6\uff0c\u81f4\u529b\u4e8e\u63d0\u4f9b\u4e00\u79cd\u7b80\u5355\u3001\u9ad8\u6548\u3001\u6613\u7528\u7684\u65b9\u5f0f\u6765\u5f00\u53d1Web\u5e94\u7528\u7a0b\u5e8f\u3002\u5b83\u7684\u7279\u70b9\u662f\u8f7b\u91cf\u7ea7\u3001\u6613\u4e8e\u5b66\u4e60\u548c\u6269\u5c55\uff0c\u540c\u65f6\u5177\u5907\u7075\u6d3b\u6027\u548c\u9ad8\u6027\u80fd\u3002\u4f7f\u7528Webman\u6846\u67b6\uff0c\u53ef\u4ee5\u5feb\u901f\u6784\u5efa\u51fa\u4e00\u4e2a\u529f\u80fd\u5b8c\u5584\u7684Web\u5e94\u7528\uff0c\u5e76\u5b9e\u73b0\u6570\u636e\u5206\u6790\u548c\u7edf\u8ba1\u529f\u80fd\u3002 \u4e8c\u3001\u6570\u636e\u5206\u6790\u529f\u80fd\u5b9e\u73b0\u793a\u4f8b \u6570\u636e\u83b7\u53d6\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4ece\u6570\u636e\u5e93\u6216\u5176\u4ed6\u6570\u636e\u6e90\u4e2d\u83b7\u53d6\u6570\u636e\u3002\u5728Webman\u6846\u67b6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u636e\u5e93\u8bbf\u95ee\u5de5\u5177\uff08\u5982SQLAlchemy\uff09\u6216\u8005API\u63a5\u53e3\u6765\u83b7\u53d6\u6570\u636e\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528SQLAlchemy\u8fde\u63a5SQLite\u6570\u636e\u5e93\uff0c\u83b7\u53d6\u6570\u636e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a from sqlalchemy import create_engine from sqlalchemy.orm import sessionmaker # \u521b\u5efa\u6570\u636e\u5e93\u8fde\u63a5\u5f15\u64ce engine = create_engine(&#8216;sqlite:\/\/\/data.db&#8217;, echo=True) # \u521b\u5efaSession\u5bf9\u8c61 Session = sessionmaker(bind=engine) session = Session() # \u6267\u884c\u67e5\u8be2\u8bed\u53e5\uff0c\u83b7\u53d6\u6570\u636e result = session.query(User).all() # \u5173\u95edSession session.close() # \u5904\u7406\u6570\u636e&#8230; \u767b\u5f55\u540e\u590d\u5236 \u6570\u636e\u5904\u7406\u548c\u5206\u6790\u83b7\u53d6\u5230\u6570\u636e\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u6570\u636e\u8fdb\u884c\u5904\u7406\u548c\u5206\u6790\u3002Webman\u6846\u67b6\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u5904\u7406\u548c\u7edf\u8ba1\u529f\u80fd\uff0c\u5305\u62ec\u6392\u5e8f\u3001\u8fc7\u6ee4\u3001\u805a\u5408\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u793a\u4f8b\u4ee3\u7801\uff1a # \u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f sorted_result = sorted(result, key=lambda x: x.name) # \u5bf9\u6570\u636e\u8fdb\u884c\u8fc7\u6ee4 filtered_result = [x for x in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-24115","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/24115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=24115"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/24115\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=24115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=24115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=24115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}