{"id":96823,"date":"2026-08-28T13:00:46","date_gmt":"2026-08-28T05:00:46","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/96823.html"},"modified":"2026-08-28T13:00:46","modified_gmt":"2026-08-28T05:00:46","slug":"04%e3%80%81python%e5%bb%ba%e9%80%a0%e8%80%85%e6%a8%a1%e5%bc%8f%e5%bd%bb%e5%ba%95%e6%90%9e%e6%87%82","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/96823.html","title":{"rendered":"04\u3001Python\u5efa\u9020\u8005\u6a21\u5f0f\u5f7b\u5e95\u641e\u61c2"},"content":{"rendered":"<h2>Python\u5efa\u9020\u8005\u6a21\u5f0f\u5f7b\u5e95\u641e\u61c2&#xff5c;\u4ece\u70c2\u4ee3\u7801\u91cd\u6784\u5230\u4f01\u4e1a\u9879\u76ee\u5b9e\u6218&#xff0c;\u5c0f\u767d\u4e5f\u80fd\u4e0a\u624b<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260828050042-6a9115fabc9c8.jpg\" alt=\"Python\u5efa\u9020\u8005\u6a21\u5f0f\u5f7b\u5e95\u641e\u61c2\" \/><\/p>\n<h3>\u524d\u8a00<\/h3>\n<p>\u5f88\u591aPython\u5f00\u53d1\u8005\u5199\u4e1a\u52a1\u4ee3\u7801\u65f6\u90fd\u4f1a\u9047\u5230\u4e00\u7c7b\u975e\u5e38\u5934\u75bc\u7684\u95ee\u9898&#xff1a;\u4e00\u4e2a\u5bf9\u8c61\u5c5e\u6027\u5341\u51e0\u4e2a&#xff0c;\u6709\u5fc5\u586b\u53c2\u6570\u3001\u5927\u91cf\u53ef\u9009\u53c2\u6570&#xff0c;\u76f4\u63a5\u5199__init__\u6784\u9020\u51fd\u6570&#xff0c;\u53c2\u6570\u5217\u8868\u4f1a\u5199\u5f97\u5f88\u957f&#xff0c;\u53c2\u6570\u987a\u5e8f\u7a0d\u5fae\u5199\u9519\u4e00\u4e2a&#xff0c;\u7a0b\u5e8f\u76f4\u63a5\u51fa\u73b0BUG&#xff0c;\u4ee3\u7801\u53ef\u8bfb\u6027\u51e0\u4e4e\u4e3a\u96f6\u3002<\/p>\n<p>\u5f88\u591a\u65b0\u4eba\u7b2c\u4e00\u53cd\u5e94\u662f\u75af\u72c2\u5199if-else\u3001\u5199\u5927\u91cfset\u65b9\u6cd5&#xff0c;\u4ee3\u7801\u8d8a\u5806\u8d8a\u4e71&#xff0c;\u540e\u671f\u7ef4\u62a4\u51e0\u4e4e\u65e0\u4ece\u4e0b\u624b\u3002\u800c\u5efa\u9020\u8005\u6a21\u5f0f\u5c31\u662f\u4e13\u95e8\u7528\u6765\u89e3\u51b3\u590d\u6742\u5bf9\u8c61\u5206\u6b65\u6784\u5efa\u95ee\u9898\u7684\u7ecf\u5178\u521b\u5efa\u578b\u8bbe\u8ba1\u6a21\u5f0f&#xff0c;\u4e0d\u7ba1\u662f\u722c\u866b\u8bf7\u6c42\u914d\u7f6e\u3001SQL\u62fc\u63a5\u3001\u5927\u6570\u636e\u4efb\u52a1\u53c2\u6570\u3001\u63a5\u53e3\u8fd4\u56de\u590d\u6742DTO&#xff0c;\u4f01\u4e1a\u9879\u76ee\u5230\u5904\u90fd\u6709\u5b83\u7684\u8eab\u5f71\u3002<\/p>\n<p>\u672c\u6587\u907f\u5f00\u6666\u6da9\u96be\u61c2\u7684\u7406\u8bba&#xff0c;\u4ece\u5b9e\u9645\u5f00\u53d1\u75db\u70b9\u5165\u624b&#xff0c;\u8bb2\u6e05\u695a\u5efa\u9020\u8005\u6a21\u5f0f\u539f\u7406\u3001\u6f14\u8fdb\u8fc7\u7a0b\u3001\u751f\u6d3b\u6848\u4f8b\u3001\u4e24\u79cd\u4e3b\u6d41\u5b9e\u73b0\u65b9\u5f0f\u3001\u4f01\u4e1a\u5b9e\u6218\u4ee3\u7801\u3001\u9ad8\u9891\u9762\u8bd5\u9898&#xff0c;\u770b\u5b8c\u76f4\u63a5\u5c31\u80fd\u5199\u5230\u9879\u76ee\u91cc\u9762\u3002<\/p>\n<hr \/>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>Python\u5efa\u9020\u8005\u6a21\u5f0f\u5f7b\u5e95\u641e\u61c2&#xff5c;\u4ece\u70c2\u4ee3\u7801\u91cd\u6784\u5230\u4f01\u4e1a\u9879\u76ee\u5b9e\u6218&#xff0c;\u5c0f\u767d\u4e5f\u80fd\u4e0a\u624b<\/li>\n<li>\n<ul>\n<li>\u524d\u8a00<\/li>\n<li>\u4e00\u3001\u5f00\u53d1\u4e2d\u771f\u5b9e\u75db\u70b9\u573a\u666f<\/li>\n<li>\n<ul>\n<li>\u75db\u70b9\u5199\u6cd51&#xff1a;\u8d85\u957f\u6784\u9020\u51fd\u6570<\/li>\n<li>\u75db\u70b9\u5199\u6cd52&#xff1a;\u4f7f\u7528\u5927\u91cfset\u65b9\u6cd5<\/li>\n<li>\u75db\u70b9\u5199\u6cd53&#xff1a;\u4f7f\u7528\u5b57\u5178\u4f20\u53c2<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001\u5efa\u9020\u8005\u6a21\u5f0f\u662f\u4ec0\u4e48<\/li>\n<li>\n<ul>\n<li>\u4e13\u4e1a\u89e3\u91ca<\/li>\n<li>\u5927\u767d\u8bdd\u89e3\u91ca<\/li>\n<li>\u751f\u6d3b\u6848\u4f8b<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001\u4e3a\u4ec0\u4e48\u8981\u7528\u5efa\u9020\u8005\u6a21\u5f0f&#xff08;\u6f14\u8fdb\u8fc7\u7a0b&#xff09;<\/li>\n<li>\n<ul>\n<li>\u7b2c\u4e00\u9636\u6bb5&#xff1a;\u76f4\u63a5new\u5bf9\u8c61<\/li>\n<li>\u7b2c\u4e8c\u9636\u6bb5&#xff1a;\u4f7f\u7528set\u65b9\u6cd5<\/li>\n<li>\u7b2c\u4e09\u9636\u6bb5&#xff1a;\u4f7f\u7528\u5efa\u9020\u8005\u6a21\u5f0f<\/li>\n<li>\u5efa\u9020\u8005\u6a21\u5f0f\u7684\u4f18\u70b9<\/li>\n<li>\u5efa\u9020\u8005\u6a21\u5f0f\u7684\u7f3a\u70b9<\/li>\n<\/ul>\n<\/li>\n<li>\u56db\u3001\u5efa\u9020\u8005\u6a21\u5f0f\u7684\u56db\u5927\u89d2\u8272<\/li>\n<li>\n<ul>\n<li>\u89d2\u82721&#xff1a;Product&#xff08;\u4ea7\u54c1&#xff09;<\/li>\n<li>\u89d2\u82722&#xff1a;Builder&#xff08;\u62bd\u8c61\u5efa\u9020\u8005&#xff09;<\/li>\n<li>\u89d2\u82723&#xff1a;ConcreteBuilder&#xff08;\u5177\u4f53\u5efa\u9020\u8005&#xff09;<\/li>\n<li>\u89d2\u82724&#xff1a;Director&#xff08;\u6307\u6325\u8005&#xff09;<\/li>\n<li>\u4f7f\u7528\u793a\u4f8b<\/li>\n<\/ul>\n<\/li>\n<li>\u4e94\u3001Python\u4e2d\u66f4\u4f18\u96c5\u7684\u5b9e\u73b0&#xff1a;\u94fe\u5f0f\u8c03\u7528\u5efa\u9020\u8005<\/li>\n<li>\n<ul>\n<li>\u57fa\u7840\u7248\u94fe\u5f0f\u5efa\u9020\u8005<\/li>\n<li>\u4f7f\u7528\u793a\u4f8b<\/li>\n<li>\u8fdb\u9636\u7248&#xff1a;\u4f7f\u7528dataclass\u7b80\u5316<\/li>\n<\/ul>\n<\/li>\n<li>\u516d\u3001\u4f01\u4e1a\u9879\u76ee\u5b9e\u6218\u573a\u666f<\/li>\n<li>\n<ul>\n<li>\u5b9e\u6218\u573a\u666f1&#xff1a;HTTP\u8bf7\u6c42\u6784\u5efa\u5668<\/li>\n<li>\u5b9e\u6218\u573a\u666f2&#xff1a;SQL\u67e5\u8be2\u6784\u5efa\u5668<\/li>\n<li>\u5b9e\u6218\u573a\u666f3&#xff1a;\u914d\u7f6e\u5bf9\u8c61\u6784\u5efa\u5668<\/li>\n<li>\u5b9e\u6218\u573a\u666f4&#xff1a;\u90ae\u4ef6\u6784\u5efa\u5668<\/li>\n<\/ul>\n<\/li>\n<li>\u4e03\u3001\u5efa\u9020\u8005\u6a21\u5f0f vs \u5de5\u5382\u6a21\u5f0f vs \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f<\/li>\n<li>\n<ul>\n<li>\u4e00\u53e5\u8bdd\u533a\u5206<\/li>\n<li>\u4ee3\u7801\u5bf9\u6bd4<\/li>\n<\/ul>\n<\/li>\n<li>\u516b\u3001\u9762\u8bd5\u5b98\u9ad8\u9891\u9762\u8bd5\u9898<\/li>\n<li>\n<ul>\n<li>\u9762\u8bd5\u98981&#xff1a;\u4ec0\u4e48\u662f\u5efa\u9020\u8005\u6a21\u5f0f&#xff1f;\u5b83\u7684\u6838\u5fc3\u601d\u60f3\u662f\u4ec0\u4e48&#xff1f;<\/li>\n<li>\u9762\u8bd5\u98982&#xff1a;\u5efa\u9020\u8005\u6a21\u5f0f\u548c\u5de5\u5382\u6a21\u5f0f\u6709\u4ec0\u4e48\u533a\u522b&#xff1f;<\/li>\n<li>\u9762\u8bd5\u98983&#xff1a;\u5efa\u9020\u8005\u6a21\u5f0f\u7684\u56db\u4e2a\u89d2\u8272\u662f\u4ec0\u4e48&#xff1f;\u5404\u81ea\u7684\u804c\u8d23\u662f\u4ec0\u4e48&#xff1f;<\/li>\n<li>\u9762\u8bd5\u98984&#xff1a;\u4ec0\u4e48\u65f6\u5019\u5e94\u8be5\u4f7f\u7528\u5efa\u9020\u8005\u6a21\u5f0f&#xff1f;<\/li>\n<li>\u9762\u8bd5\u98985&#xff1a;\u5efa\u9020\u8005\u6a21\u5f0f\u6709\u4ec0\u4e48\u4f18\u7f3a\u70b9&#xff1f;<\/li>\n<li>\u9762\u8bd5\u98986&#xff1a;Python\u4e2d\u5982\u4f55\u5b9e\u73b0\u94fe\u5f0f\u8c03\u7528\u7684\u5efa\u9020\u8005\u6a21\u5f0f&#xff1f;<\/li>\n<li>\u9762\u8bd5\u98987&#xff1a;\u5efa\u9020\u8005\u6a21\u5f0f\u4e2d\u7684Director\u89d2\u8272\u4e00\u5b9a\u8981\u6709\u5417&#xff1f;<\/li>\n<li>\u9762\u8bd5\u98988&#xff1a;StringBuilder\u662f\u4e0d\u662f\u5efa\u9020\u8005\u6a21\u5f0f&#xff1f;<\/li>\n<\/ul>\n<\/li>\n<li>\u4e5d\u3001\u5e38\u7528\u573a\u666f\u603b\u7ed3<\/li>\n<li>\n<ul>\n<li>\u4e0d\u9002\u5408\u4f7f\u7528\u5efa\u9020\u8005\u6a21\u5f0f\u7684\u573a\u666f<\/li>\n<\/ul>\n<\/li>\n<li>\u5341\u3001\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u4e00\u3001\u5f00\u53d1\u4e2d\u771f\u5b9e\u75db\u70b9\u573a\u666f<\/h3>\n<p>\u5047\u8bbe\u73b0\u5728\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u53f0\u7535\u8111\u914d\u7f6e\u5bf9\u8c61&#xff0c;\u4e00\u53f0\u7535\u8111\u5305\u542bCPU\u3001\u5185\u5b58\u3001\u786c\u76d8\u3001\u663e\u5361\u3001\u663e\u793a\u5668\u3001\u64cd\u4f5c\u7cfb\u7edf6\u4e2a\u5c5e\u6027\u3002<\/p>\n<h4>\u75db\u70b9\u5199\u6cd51&#xff1a;\u8d85\u957f\u6784\u9020\u51fd\u6570<\/h4>\n<p><span class=\"token comment\"># \u7cdf\u7cd5\u5199\u6cd5&#xff1a;\u8d85\u957f\u53c2\u6570\u5217\u8868<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Computer<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> cpu<span class=\"token punctuation\">,<\/span> ram<span class=\"token punctuation\">,<\/span> disk<span class=\"token punctuation\">,<\/span> gpu<span class=\"token punctuation\">,<\/span> monitor<span class=\"token punctuation\">,<\/span> os<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>cpu <span class=\"token operator\">&#061;<\/span> cpu<br \/>\n        self<span class=\"token punctuation\">.<\/span>ram <span class=\"token operator\">&#061;<\/span> ram<br \/>\n        self<span class=\"token punctuation\">.<\/span>disk <span class=\"token operator\">&#061;<\/span> disk<br \/>\n        self<span class=\"token punctuation\">.<\/span>gpu <span class=\"token operator\">&#061;<\/span> gpu<br \/>\n        self<span class=\"token punctuation\">.<\/span>monitor <span class=\"token operator\">&#061;<\/span> monitor<br \/>\n        self<span class=\"token punctuation\">.<\/span>os <span class=\"token operator\">&#061;<\/span> os<\/p>\n<p><span class=\"token comment\"># \u521b\u5efa\u6e38\u620f\u7535\u8111<\/span><br \/>\npc <span class=\"token operator\">&#061;<\/span> Computer<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;i9-14900K&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">64<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;RTX-4090&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;32\u5bf84K&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;win11&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u521b\u5efa\u529e\u516c\u7535\u8111<\/span><br \/>\noffice_pc <span class=\"token operator\">&#061;<\/span> Computer<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;i5-13400&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">16<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">512<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u6838\u663e&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;24\u5bf81080P&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;win10&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u5b58\u5728\u95ee\u9898&#xff1a;<\/p>\n<li>\u53c2\u6570\u592a\u591a&#xff0c;\u5f88\u96be\u8bb0\u4f4f\u6bcf\u4e00\u4e2a\u53c2\u6570\u7684\u987a\u5e8f&#xff0c;\u4f20\u53c2\u987a\u5e8f\u9519\u4e00\u4e2a\u76f4\u63a5\u51fabug<\/li>\n<li>\u5f88\u591a\u914d\u7f6e\u9879\u662f\u53ef\u9009\u53c2\u6570&#xff0c;\u90e8\u5206\u7535\u8111\u4e0d\u9700\u8981\u72ec\u7acb\u663e\u5361&#xff0c;\u8fd8\u662f\u5fc5\u987b\u5168\u90e8\u4f20\u53c2<\/li>\n<li>\u5982\u679c\u540e\u671f\u65b0\u589e\u4e00\u4e2a\u5c5e\u6027&#xff0c;\u6240\u6709\u5b9e\u4f8b\u5316\u7684\u4ee3\u7801\u5168\u90e8\u9700\u8981\u6539\u52a8&#xff0c;\u6269\u5c55\u6027\u6781\u5dee<\/li>\n<li>\u65e0\u6cd5\u5728\u521b\u5efa\u5bf9\u8c61\u7684\u65f6\u5019\u7edf\u4e00\u505a\u53c2\u6570\u5408\u6cd5\u6027\u6821\u9a8c<\/li>\n<h4>\u75db\u70b9\u5199\u6cd52&#xff1a;\u4f7f\u7528\u5927\u91cfset\u65b9\u6cd5<\/h4>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Computer<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>cpu <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>ram <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>disk <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">set_cpu<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> cpu<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>cpu <span class=\"token operator\">&#061;<\/span> cpu<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">set_ram<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> ram<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>ram <span class=\"token operator\">&#061;<\/span> ram<\/p>\n<p>pc <span class=\"token operator\">&#061;<\/span> Computer<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\npc<span class=\"token punctuation\">.<\/span>set_cpu<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;i9&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\npc<span class=\"token punctuation\">.<\/span>set_ram<span class=\"token punctuation\">(<\/span><span class=\"token number\">32<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u5b58\u5728\u95ee\u9898&#xff1a;<\/p>\n<li>\u5bf9\u8c61\u521b\u5efa\u51fa\u6765\u7684\u65f6\u5019\u662f\u4e00\u4e2a\u534a\u6210\u54c1&#xff0c;\u53ef\u4ee5\u4e2d\u9014\u88ab\u968f\u610f\u4fee\u6539\u5c5e\u6027&#xff0c;\u5bf9\u8c61\u72b6\u6001\u4e0d\u53ef\u63a7<\/li>\n<li>\u6ca1\u6709\u529e\u6cd5\u5f3a\u5236\u89c4\u5b9a\u7ec4\u88c5\u6b65\u9aa4&#xff0c;\u6bd4\u5982\u5fc5\u987b\u5148\u5b89\u88c5CPU&#xff0c;\u624d\u80fd\u5b89\u88c5\u5185\u5b58<\/li>\n<li>\u4e1a\u52a1\u4ee3\u7801\u548c\u5bf9\u8c61\u6784\u5efa\u903b\u8f91\u6df7\u5728\u4e00\u8d77&#xff0c;\u4e0d\u7b26\u5408\u5355\u4e00\u804c\u8d23\u539f\u5219<\/li>\n<li>\u4ee3\u7801\u5197\u957f&#xff0c;\u6bcf\u6b21\u521b\u5efa\u5bf9\u8c61\u90fd\u8981\u5199\u4e00\u5806set\u65b9\u6cd5<\/li>\n<h4>\u75db\u70b9\u5199\u6cd53&#xff1a;\u4f7f\u7528\u5b57\u5178\u4f20\u53c2<\/h4>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Computer<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> config<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>cpu <span class=\"token operator\">&#061;<\/span> config<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;cpu&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>ram <span class=\"token operator\">&#061;<\/span> config<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ram&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>disk <span class=\"token operator\">&#061;<\/span> config<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;disk&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>pc <span class=\"token operator\">&#061;<\/span> Computer<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;cpu&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;i9&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;ram&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">32<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;disk&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u5b58\u5728\u95ee\u9898&#xff1a;<\/p>\n<li>\u5b57\u5178\u7684key\u6ca1\u6709\u7c7b\u578b\u63d0\u793a&#xff0c;IDE\u65e0\u6cd5\u81ea\u52a8\u8865\u5168&#xff0c;\u5199\u9519key\u4e0d\u4f1a\u62a5\u9519<\/li>\n<li>\u65e0\u6cd5\u505a\u53c2\u6570\u7c7b\u578b\u6821\u9a8c\u548c\u5fc5\u586b\u6821\u9a8c<\/li>\n<li>\u4ee3\u7801\u53ef\u8bfb\u6027\u5dee&#xff0c;\u522b\u4eba\u770b\u4ee3\u7801\u4e0d\u77e5\u9053\u9700\u8981\u4f20\u54ea\u4e9b\u53c2\u6570<\/li>\n<p>\u8fd9\u4e09\u79cd\u5199\u6cd5\u662f\u4e0d\u662f\u975e\u5e38\u719f\u6089&#xff1f;\u51e0\u4e4e\u6bcf\u4e2aPython\u5f00\u53d1\u8005\u90fd\u5199\u8fc7\u8fd9\u6837\u7684\u4ee3\u7801\u3002\u90a3\u4e48\u6709\u6ca1\u6709\u4e00\u79cd\u4f18\u96c5\u7684\u65b9\u5f0f\u6765\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u5462&#xff1f;\u7b54\u6848\u5c31\u662f\u5efa\u9020\u8005\u6a21\u5f0f\u3002<\/p>\n<hr \/>\n<h3>\u4e8c\u3001\u5efa\u9020\u8005\u6a21\u5f0f\u662f\u4ec0\u4e48<\/h3>\n<h4>\u4e13\u4e1a\u89e3\u91ca<\/h4>\n<p>\u5efa\u9020\u8005\u6a21\u5f0f&#xff08;Builder Pattern&#xff09;\u662f\u4e00\u79cd\u521b\u5efa\u578b\u8bbe\u8ba1\u6a21\u5f0f&#xff0c;\u5b83\u5c06\u4e00\u4e2a\u590d\u6742\u5bf9\u8c61\u7684\u6784\u5efa\u4e0e\u5b83\u7684\u8868\u793a\u5206\u79bb&#xff0c;\u4f7f\u5f97\u540c\u6837\u7684\u6784\u5efa\u8fc7\u7a0b\u53ef\u4ee5\u521b\u5efa\u4e0d\u540c\u7684\u8868\u793a\u3002<\/p>\n<p>\u6838\u5fc3\u601d\u60f3\u662f&#xff1a;\u5c06\u4e00\u4e2a\u590d\u6742\u5bf9\u8c61\u7684\u521b\u5efa\u8fc7\u7a0b\u62c6\u5206\u6210\u591a\u4e2a\u7b80\u5355\u7684\u6b65\u9aa4&#xff0c;\u901a\u8fc7\u4e00\u6b65\u6b65\u7ec4\u88c5\u6765\u5b8c\u6210\u5bf9\u8c61\u7684\u521b\u5efa\u3002\u7528\u6237\u53ea\u9700\u8981\u6307\u5b9a\u9700\u8981\u6784\u5efa\u7684\u7c7b\u578b\u548c\u5185\u5bb9&#xff0c;\u4e0d\u9700\u8981\u77e5\u9053\u5185\u90e8\u7684\u5177\u4f53\u6784\u5efa\u7ec6\u8282\u3002<\/p>\n<p>\u5efa\u9020\u8005\u6a21\u5f0f\u901a\u5e38\u5305\u542b\u56db\u4e2a\u89d2\u8272&#xff1a;<\/p>\n<li>Product&#xff08;\u4ea7\u54c1\u89d2\u8272&#xff09;&#xff1a;\u6700\u7ec8\u8981\u6784\u5efa\u7684\u590d\u6742\u5bf9\u8c61<\/li>\n<li>Builder&#xff08;\u62bd\u8c61\u5efa\u9020\u8005&#xff09;&#xff1a;\u5b9a\u4e49\u6784\u5efa\u4ea7\u54c1\u5404\u4e2a\u90e8\u4ef6\u7684\u62bd\u8c61\u63a5\u53e3<\/li>\n<li>ConcreteBuilder&#xff08;\u5177\u4f53\u5efa\u9020\u8005&#xff09;&#xff1a;\u5b9e\u73b0Builder\u63a5\u53e3&#xff0c;\u6784\u5efa\u548c\u88c5\u914d\u5404\u4e2a\u90e8\u4ef6<\/li>\n<li>Director&#xff08;\u6307\u6325\u8005&#xff09;&#xff1a;\u6784\u5efa\u4e00\u4e2a\u4f7f\u7528Builder\u63a5\u53e3\u7684\u5bf9\u8c61&#xff0c;\u63a7\u5236\u6784\u5efa\u8fc7\u7a0b<\/li>\n<h4>\u5927\u767d\u8bdd\u89e3\u91ca<\/h4>\n<p>\u8bf4\u4eba\u8bdd\u5c31\u662f&#xff1a;\u9020\u4e00\u4e2a\u4e1c\u897f\u592a\u590d\u6742\u4e86&#xff0c;\u6b65\u9aa4\u592a\u591a&#xff0c;\u90a3\u5c31\u628a\u9020\u4e1c\u897f\u7684\u8fc7\u7a0b\u62c6\u6210\u4e00\u6b65\u4e00\u6b65\u6765&#xff0c;\u6bcf\u4e00\u6b65\u53ea\u5e72\u4e00\u4ef6\u4e8b&#xff0c;\u6700\u540e\u4e00\u6b65\u7edf\u4e00\u7ec4\u88c5\u51fa\u6210\u54c1\u3002<\/p>\n<p>\u5c31\u50cf\u53bb\u80af\u5fb7\u57fa\u70b9\u5957\u9910&#xff0c;\u4f60\u4e0d\u9700\u8981\u77e5\u9053\u6c49\u5821\u600e\u4e48\u505a\u3001\u53ef\u4e50\u600e\u4e48\u8c03&#xff0c;\u4f60\u53ea\u9700\u8981\u544a\u8bc9\u670d\u52a1\u5458\u4f60\u8981A\u5957\u9910\u8fd8\u662fB\u5957\u9910&#xff0c;\u670d\u52a1\u5458&#xff08;\u6307\u6325\u8005&#xff09;\u4f1a\u6309\u7167\u56fa\u5b9a\u6d41\u7a0b&#xff08;\u5efa\u9020\u8005&#xff09;\u4e00\u6b65\u6b65\u628a\u6c49\u5821\u3001\u53ef\u4e50\u3001\u85af\u6761\u7ec4\u88c5\u597d&#xff08;\u4ea7\u54c1&#xff09;\u9012\u7ed9\u4f60\u3002<\/p>\n<h4>\u751f\u6d3b\u6848\u4f8b<\/h4>\n<p>\u6848\u4f8b1&#xff1a;\u80af\u5fb7\u57fa\u5957\u9910<\/p>\n<p>\u53bb\u80af\u5fb7\u57fa&#xff0c;\u6c49\u5821\u3001\u53ef\u4e50\u3001\u85af\u6761\u3001\u70b8\u9e21\u7fc5\u7b49\u662f\u4e0d\u53d8\u7684&#xff0c;\u800c\u5176\u7ec4\u5408\u662f\u7ecf\u5e38\u53d8\u5316\u7684&#xff0c;\u751f\u6210\u51fa\u6240\u8c13\u7684\u5957\u9910\u3002\u725b\u8089\u6c49\u5821&#043;\u53ef\u53e3\u53ef\u4e50&#061;\u80a5\u725b\u5957\u9910&#xff0c;\u9e21\u8089\u6c49\u5821&#043;\u767e\u4e8b\u53ef\u4e50&#061;\u70b8\u9e21\u5957\u9910&#xff0c;\u540c\u6837\u7684\u6784\u5efa\u6b65\u9aa4&#xff08;\u9009\u6c49\u5821&#043;\u9009\u996e\u6599&#xff09;&#xff0c;\u4e0d\u540c\u7684\u8868\u793a&#xff08;\u4e0d\u540c\u7684\u6c49\u5821\u548c\u996e\u6599&#xff09;\u3002<\/p>\n<p>\u6848\u4f8b2&#xff1a;\u7ec4\u88c5\u7535\u8111<\/p>\n<p>\u4e70\u7535\u8111\u65f6&#xff0c;CPU\u3001\u5185\u5b58\u3001\u786c\u76d8\u3001\u663e\u5361\u3001\u663e\u793a\u5668\u8fd9\u4e9b\u90e8\u4ef6\u662f\u56fa\u5b9a\u7684\u7ec4\u88c5\u6b65\u9aa4&#xff0c;\u4f46\u6bcf\u4e2a\u90e8\u4ef6\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u54c1\u724c\u548c\u578b\u53f7\u3002\u6e38\u620f\u73a9\u5bb6\u9009i9&#043;RTX4090&#xff0c;\u529e\u516c\u7528\u6237\u9009i5&#043;\u6838\u663e&#xff0c;\u540c\u6837\u7684\u7ec4\u88c5\u6d41\u7a0b&#xff0c;\u4e0d\u540c\u7684\u914d\u7f6e\u65b9\u6848\u3002<\/p>\n<p>\u6848\u4f8b3&#xff1a;\u5976\u8336\u5b9a\u5236<\/p>\n<p>\u70b9\u5976\u8336\u65f6&#xff0c;\u56fa\u5b9a\u6b65\u9aa4\u662f\u9009\u8336\u5e95\u3001\u9009\u751c\u5ea6\u3001\u9009\u6e29\u5ea6\u3001\u52a0\u6599&#xff0c;\u4f46\u6bcf\u4e2a\u6b65\u9aa4\u53ef\u4ee5\u6709\u4e0d\u540c\u9009\u62e9\u3002\u540c\u6837\u7684\u5236\u4f5c\u6d41\u7a0b&#xff0c;\u53ef\u4ee5\u505a\u51fa\u65e0\u6570\u79cd\u4e0d\u540c\u53e3\u5473\u7684\u5976\u8336\u3002<\/p>\n<hr \/>\n<h3>\u4e09\u3001\u4e3a\u4ec0\u4e48\u8981\u7528\u5efa\u9020\u8005\u6a21\u5f0f&#xff08;\u6f14\u8fdb\u8fc7\u7a0b&#xff09;<\/h3>\n<h4>\u7b2c\u4e00\u9636\u6bb5&#xff1a;\u76f4\u63a5new\u5bf9\u8c61<\/h4>\n<p>\u6700\u539f\u59cb\u7684\u65b9\u5f0f&#xff0c;\u76f4\u63a5\u5b9e\u4f8b\u5316\u5bf9\u8c61&#xff0c;\u6240\u6709\u53c2\u6570\u901a\u8fc7\u6784\u9020\u51fd\u6570\u4f20\u5165\u3002\u5f53\u5bf9\u8c61\u5c5e\u6027\u5c11\u7684\u65f6\u5019\u6ca1\u95ee\u9898&#xff0c;\u5c5e\u6027\u4e00\u591a\u5c31\u707e\u96be\u4e86\u3002<\/p>\n<p><span class=\"token comment\"># \u5c5e\u6027\u5c11\u7684\u65f6\u5019\u6ca1\u95ee\u9898<\/span><br \/>\nuser <span class=\"token operator\">&#061;<\/span> User<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f20\u4e09&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">25<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u5c5e\u6027\u591a\u4e86\u4e4b\u540e\u707e\u96be<\/span><br \/>\norder <span class=\"token operator\">&#061;<\/span> Order<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ORD20240101&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u5f20\u4e09&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;13800138000&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u5317\u4eac\u5e02\u671d\u9633\u533a&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token string\">&#034;\u5546\u54c1A&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">99.9<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u5fae\u4fe1\u652f\u4ed8&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u987a\u4e30\u5feb\u9012&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u5907\u6ce8\u4fe1\u606f&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u7b2c\u4e8c\u9636\u6bb5&#xff1a;\u4f7f\u7528set\u65b9\u6cd5<\/h4>\n<p>\u4e3a\u4e86\u89e3\u51b3\u6784\u9020\u51fd\u6570\u53c2\u6570\u592a\u591a\u7684\u95ee\u9898&#xff0c;\u5f00\u59cb\u4f7f\u7528\u65e0\u53c2\u6784\u9020&#043;set\u65b9\u6cd5\u7684\u65b9\u5f0f\u3002\u4f46\u5e26\u6765\u4e86\u65b0\u95ee\u9898&#xff1a;\u5bf9\u8c61\u72b6\u6001\u4e0d\u5b8c\u6574\u3001\u53ef\u4ee5\u88ab\u4e2d\u9014\u4fee\u6539\u3001\u65e0\u6cd5\u4fdd\u8bc1\u6784\u5efa\u987a\u5e8f\u3002<\/p>\n<p>order <span class=\"token operator\">&#061;<\/span> Order<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\norder<span class=\"token punctuation\">.<\/span>set_order_id<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ORD20240101&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\norder<span class=\"token punctuation\">.<\/span>set_user_name<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f20\u4e09&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u4e2d\u95f4\u53ef\u80fd\u88ab\u5176\u4ed6\u4ee3\u7801\u4fee\u6539<\/span><br \/>\norder<span class=\"token punctuation\">.<\/span>set_phone<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;13800138000&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u7b2c\u4e09\u9636\u6bb5&#xff1a;\u4f7f\u7528\u5efa\u9020\u8005\u6a21\u5f0f<\/h4>\n<p>\u5c06\u5bf9\u8c61\u7684\u6784\u5efa\u8fc7\u7a0b\u5c01\u88c5\u5230\u4e00\u4e2a\u72ec\u7acb\u7684Builder\u7c7b\u4e2d&#xff0c;\u901a\u8fc7\u94fe\u5f0f\u8c03\u7528\u4e00\u6b65\u6b65\u8bbe\u7f6e\u5c5e\u6027&#xff0c;\u6700\u540e\u8c03\u7528build\u65b9\u6cd5\u751f\u6210\u5b8c\u6574\u5bf9\u8c61\u3002\u65e2\u89e3\u51b3\u4e86\u53c2\u6570\u592a\u591a\u7684\u95ee\u9898&#xff0c;\u53c8\u4fdd\u8bc1\u4e86\u5bf9\u8c61\u7684\u5b8c\u6574\u6027\u548c\u4e0d\u53ef\u53d8\u6027\u3002<\/p>\n<p>order <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>OrderBuilder<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n         <span class=\"token punctuation\">.<\/span>order_id<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ORD20240101&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n         <span class=\"token punctuation\">.<\/span>user_name<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f20\u4e09&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n         <span class=\"token punctuation\">.<\/span>phone<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;13800138000&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n         <span class=\"token punctuation\">.<\/span>address<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5317\u4eac\u5e02\u671d\u9633\u533a&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n         <span class=\"token punctuation\">.<\/span>build<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u5efa\u9020\u8005\u6a21\u5f0f\u7684\u4f18\u70b9<\/h4>\n<li>\u9690\u85cf\u4e86\u4e00\u4e2a\u4ea7\u54c1\u7684\u5185\u90e8\u7ed3\u6784\u548c\u88c5\u914d\u8fc7\u7a0b&#xff0c;\u5ba2\u6237\u7aef\u4e0d\u9700\u8981\u77e5\u9053\u5177\u4f53\u5b9e\u73b0<\/li>\n<li>\u5c06\u6784\u9020\u4ee3\u7801\u4e0e\u8868\u793a\u4ee3\u7801\u5206\u5f00&#xff0c;\u7b26\u5408\u5355\u4e00\u804c\u8d23\u539f\u5219<\/li>\n<li>\u53ef\u4ee5\u5bf9\u6784\u9020\u8fc7\u7a0b\u8fdb\u884c\u66f4\u52a0\u7cbe\u7ec6\u7684\u63a7\u5236&#xff0c;\u6bcf\u4e00\u6b65\u90fd\u53ef\u4ee5\u505a\u6821\u9a8c<\/li>\n<li>\u94fe\u5f0f\u8c03\u7528\u4ee3\u7801\u53ef\u8bfb\u6027\u5f3a&#xff0c;IDE\u81ea\u52a8\u8865\u5168\u53cb\u597d<\/li>\n<li>\u53ef\u4ee5\u521b\u5efa\u4e0d\u540c\u8868\u793a\u7684\u5bf9\u8c61&#xff0c;\u540c\u6837\u7684\u6784\u5efa\u8fc7\u7a0b&#xff0c;\u4e0d\u540c\u7684\u914d\u7f6e<\/li>\n<h4>\u5efa\u9020\u8005\u6a21\u5f0f\u7684\u7f3a\u70b9<\/h4>\n<li>\u4ea7\u54c1\u5fc5\u987b\u6709\u5171\u540c\u70b9&#xff0c;\u8303\u56f4\u6709\u9650\u5236&#xff0c;\u5982\u679c\u4ea7\u54c1\u4e4b\u95f4\u5dee\u5f02\u5f88\u5927&#xff0c;\u4e0d\u9002\u5408\u4f7f\u7528<\/li>\n<li>\u5982\u679c\u5185\u90e8\u53d8\u5316\u590d\u6742&#xff0c;\u4f1a\u6709\u5f88\u591a\u7684\u5efa\u9020\u7c7b&#xff0c;\u589e\u52a0\u4ee3\u7801\u590d\u6742\u5ea6<\/li>\n<li>\u6bd4\u76f4\u63a5new\u5bf9\u8c61\u591a\u5199\u4e00\u4e9b\u4ee3\u7801&#xff0c;\u7b80\u5355\u5bf9\u8c61\u4f7f\u7528\u4f1a\u663e\u5f97\u8fc7\u5ea6\u8bbe\u8ba1<\/li>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260828050043-6a9115fb8ff56.jpg\" alt=\"\u539f\u59cb\u5199\u6cd5\u75db\u70b9vs\u5efa\u9020\u8005\u6a21\u5f0f\u4f18\u52bf\" \/><\/p>\n<hr \/>\n<h3>\u56db\u3001\u5efa\u9020\u8005\u6a21\u5f0f\u7684\u56db\u5927\u89d2\u8272<\/h3>\n<p>\u5efa\u9020\u8005\u6a21\u5f0f\u7684\u6807\u51c6\u7ed3\u6784\u5305\u542b\u56db\u4e2a\u6838\u5fc3\u89d2\u8272&#xff0c;\u5b83\u4eec\u5404\u53f8\u5176\u804c&#xff0c;\u5171\u540c\u5b8c\u6210\u590d\u6742\u5bf9\u8c61\u7684\u6784\u5efa\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260828050043-6a9115fbf14ef.jpg\" alt=\"\u5efa\u9020\u8005\u6a21\u5f0f\u56db\u5927\u89d2\u8272\u7ed3\u6784\u56fe\" \/><\/p>\n<h4>\u89d2\u82721&#xff1a;Product&#xff08;\u4ea7\u54c1&#xff09;<\/h4>\n<p>\u6700\u7ec8\u8981\u6784\u5efa\u7684\u590d\u6742\u5bf9\u8c61&#xff0c;\u5305\u542b\u591a\u4e2a\u7ec4\u6210\u90e8\u5206\u3002<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Computer<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u7535\u8111\u4ea7\u54c1\u7c7b&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>cpu <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>ram <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>disk <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>gpu <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>monitor <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>os <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__str__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u7535\u8111\u914d\u7f6e:\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  CPU: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>cpu<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u5185\u5b58: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>ram<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">GB\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u786c\u76d8: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>disk<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">GB\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u663e\u5361: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>gpu<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u663e\u793a\u5668: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>monitor<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u7cfb\u7edf: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>os<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u89d2\u82722&#xff1a;Builder&#xff08;\u62bd\u8c61\u5efa\u9020\u8005&#xff09;<\/h4>\n<p>\u5b9a\u4e49\u6784\u5efa\u4ea7\u54c1\u5404\u4e2a\u90e8\u4ef6\u7684\u62bd\u8c61\u63a5\u53e3&#xff0c;\u89c4\u5b9a\u4e86\u6784\u5efa\u590d\u6742\u5bf9\u8c61\u9700\u8981\u54ea\u4e9b\u6b65\u9aa4\u3002<\/p>\n<p><span class=\"token keyword\">from<\/span> abc <span class=\"token keyword\">import<\/span> ABC<span class=\"token punctuation\">,<\/span> abstractmethod<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ComputerBuilder<\/span><span class=\"token punctuation\">(<\/span>ABC<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u7535\u8111\u5efa\u9020\u8005\u62bd\u8c61\u7c7b&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer <span class=\"token operator\">&#061;<\/span> Computer<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token decorator annotation punctuation\">&#064;abstractmethod<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_cpu<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6784\u5efaCPU&#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token keyword\">pass<\/span><\/p>\n<p>    <span class=\"token decorator annotation punctuation\">&#064;abstractmethod<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_ram<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6784\u5efa\u5185\u5b58&#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token keyword\">pass<\/span><\/p>\n<p>    <span class=\"token decorator annotation punctuation\">&#064;abstractmethod<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_disk<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6784\u5efa\u786c\u76d8&#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token keyword\">pass<\/span><\/p>\n<p>    <span class=\"token decorator annotation punctuation\">&#064;abstractmethod<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_gpu<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6784\u5efa\u663e\u5361&#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token keyword\">pass<\/span><\/p>\n<p>    <span class=\"token decorator annotation punctuation\">&#064;abstractmethod<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_monitor<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6784\u5efa\u663e\u793a\u5668&#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token keyword\">pass<\/span><\/p>\n<p>    <span class=\"token decorator annotation punctuation\">&#064;abstractmethod<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_os<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6784\u5efa\u64cd\u4f5c\u7cfb\u7edf&#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token keyword\">pass<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_computer<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u83b7\u53d6\u6784\u5efa\u5b8c\u6210\u7684\u7535\u8111&#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>computer<\/p>\n<h4>\u89d2\u82723&#xff1a;ConcreteBuilder&#xff08;\u5177\u4f53\u5efa\u9020\u8005&#xff09;<\/h4>\n<p>\u5b9e\u73b0Builder\u63a5\u53e3&#xff0c;\u5177\u4f53\u5b9e\u73b0\u6bcf\u4e00\u6b65\u7684\u6784\u5efa\u903b\u8f91&#xff0c;\u4e0d\u540c\u7684\u5177\u4f53\u5efa\u9020\u8005\u53ef\u4ee5\u6784\u5efa\u51fa\u4e0d\u540c\u914d\u7f6e\u7684\u4ea7\u54c1\u3002<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">GamingComputerBuilder<\/span><span class=\"token punctuation\">(<\/span>ComputerBuilder<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6e38\u620f\u7535\u8111\u5efa\u9020\u8005&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_cpu<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>cpu <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Intel i9-14900K&#034;<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_ram<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>ram <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">64<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_disk<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>disk <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2000<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_gpu<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>gpu <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;NVIDIA RTX 4090&#034;<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_monitor<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>monitor <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;32\u5bf8 4K 144Hz&#034;<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_os<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>os <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Windows 11 Pro&#034;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">OfficeComputerBuilder<\/span><span class=\"token punctuation\">(<\/span>ComputerBuilder<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u529e\u516c\u7535\u8111\u5efa\u9020\u8005&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_cpu<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>cpu <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Intel i5-13400&#034;<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_ram<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>ram <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">16<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_disk<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>disk <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">512<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_gpu<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>gpu <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\u96c6\u6210\u663e\u5361&#034;<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_monitor<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>monitor <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;24\u5bf8 1080P&#034;<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_os<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>os <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Windows 10 Home&#034;<\/span><\/p>\n<h4>\u89d2\u82724&#xff1a;Director&#xff08;\u6307\u6325\u8005&#xff09;<\/h4>\n<p>\u8d1f\u8d23\u63a7\u5236\u6784\u5efa\u8fc7\u7a0b\u7684\u987a\u5e8f&#xff0c;\u8c03\u7528\u5efa\u9020\u8005\u7684\u65b9\u6cd5\u6765\u6784\u5efa\u4ea7\u54c1&#xff0c;\u5ba2\u6237\u7aef\u53ea\u9700\u8981\u548c\u6307\u6325\u8005\u4ea4\u4e92\u3002<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ComputerDirector<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u7535\u8111\u6307\u6325\u8005&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> builder<span class=\"token punctuation\">:<\/span> ComputerBuilder<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>builder <span class=\"token operator\">&#061;<\/span> builder<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">construct<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6309\u7167\u56fa\u5b9a\u987a\u5e8f\u6784\u5efa\u7535\u8111&#034;&#034;&#034;<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>builder<span class=\"token punctuation\">.<\/span>build_cpu<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>builder<span class=\"token punctuation\">.<\/span>build_ram<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>builder<span class=\"token punctuation\">.<\/span>build_disk<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>builder<span class=\"token punctuation\">.<\/span>build_gpu<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>builder<span class=\"token punctuation\">.<\/span>build_monitor<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>builder<span class=\"token punctuation\">.<\/span>build_os<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>builder<span class=\"token punctuation\">.<\/span>get_computer<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u4f7f\u7528\u793a\u4f8b<\/h4>\n<p><span class=\"token keyword\">if<\/span> __name__ <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;__main__&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u6784\u5efa\u6e38\u620f\u7535\u8111<\/span><br \/>\n    gaming_builder <span class=\"token operator\">&#061;<\/span> GamingComputerBuilder<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    director <span class=\"token operator\">&#061;<\/span> ComputerDirector<span class=\"token punctuation\">(<\/span>gaming_builder<span class=\"token punctuation\">)<\/span><br \/>\n    gaming_pc <span class=\"token operator\">&#061;<\/span> director<span class=\"token punctuation\">.<\/span>construct<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>gaming_pc<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-&#034;<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">30<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u6784\u5efa\u529e\u516c\u7535\u8111<\/span><br \/>\n    office_builder <span class=\"token operator\">&#061;<\/span> OfficeComputerBuilder<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    director <span class=\"token operator\">&#061;<\/span> ComputerDirector<span class=\"token punctuation\">(<\/span>office_builder<span class=\"token punctuation\">)<\/span><br \/>\n    office_pc <span class=\"token operator\">&#061;<\/span> director<span class=\"token punctuation\">.<\/span>construct<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>office_pc<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u8f93\u51fa\u7ed3\u679c&#xff1a;<\/p>\n<p>\u7535\u8111\u914d\u7f6e:<br \/>\n  CPU: Intel i9-14900K<br \/>\n  \u5185\u5b58: 64GB<br \/>\n  \u786c\u76d8: 2000GB<br \/>\n  \u663e\u5361: NVIDIA RTX 4090<br \/>\n  \u663e\u793a\u5668: 32\u5bf8 4K 144Hz<br \/>\n  \u7cfb\u7edf: Windows 11 Pro<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n\u7535\u8111\u914d\u7f6e:<br \/>\n  CPU: Intel i5-13400<br \/>\n  \u5185\u5b58: 16GB<br \/>\n  \u786c\u76d8: 512GB<br \/>\n  \u663e\u5361: \u96c6\u6210\u663e\u5361<br \/>\n  \u663e\u793a\u5668: 24\u5bf8 1080P<br \/>\n  \u7cfb\u7edf: Windows 10 Home<\/p>\n<hr \/>\n<h3>\u4e94\u3001Python\u4e2d\u66f4\u4f18\u96c5\u7684\u5b9e\u73b0&#xff1a;\u94fe\u5f0f\u8c03\u7528\u5efa\u9020\u8005<\/h3>\n<p>\u4e0a\u9762\u7684\u7ecf\u5178\u5b9e\u73b0\u65b9\u5f0f\u867d\u7136\u89c4\u8303&#xff0c;\u4f46\u5728Python\u4e2d\u7565\u663e\u7e41\u7410\u3002Python\u4e2d\u66f4\u5e38\u7528\u7684\u662f\u94fe\u5f0f\u8c03\u7528&#xff08;Fluent Interface&#xff09;\u98ce\u683c\u7684\u5efa\u9020\u8005\u6a21\u5f0f&#xff0c;\u6bcf\u4e2a\u65b9\u6cd5\u8fd4\u56deself&#xff0c;\u6700\u540e\u8c03\u7528build\u65b9\u6cd5\u751f\u6210\u5bf9\u8c61\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260828050044-6a9115fc5dd42.jpg\" alt=\"\u94fe\u5f0f\u8c03\u7528\u5efa\u9020\u8005\u6a21\u5f0f\u6267\u884c\u6d41\u7a0b\" \/><\/p>\n<h4>\u57fa\u7840\u7248\u94fe\u5f0f\u5efa\u9020\u8005<\/h4>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Computer<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u7535\u8111\u4ea7\u54c1\u7c7b&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>cpu <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>ram <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>disk <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>gpu <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>monitor <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>os <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__str__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u7535\u8111\u914d\u7f6e:\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  CPU: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>cpu<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u5185\u5b58: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>ram<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">GB\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u786c\u76d8: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>disk<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">GB\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u663e\u5361: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>gpu<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u663e\u793a\u5668: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>monitor<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u7cfb\u7edf: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>os<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ComputerBuilder<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u7535\u8111\u5efa\u9020\u8005&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer <span class=\"token operator\">&#061;<\/span> Computer<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">set_cpu<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> cpu<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;ComputerBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>cpu <span class=\"token operator\">&#061;<\/span> cpu<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">set_ram<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> ram<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;ComputerBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>ram <span class=\"token operator\">&#061;<\/span> ram<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">set_disk<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> disk<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;ComputerBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>disk <span class=\"token operator\">&#061;<\/span> disk<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">set_gpu<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> gpu<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;ComputerBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>gpu <span class=\"token operator\">&#061;<\/span> gpu<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">set_monitor<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> monitor<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;ComputerBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>monitor <span class=\"token operator\">&#061;<\/span> monitor<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">set_os<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> os<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;ComputerBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>os <span class=\"token operator\">&#061;<\/span> os<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> Computer<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6784\u5efa\u5b8c\u6210&#xff0c;\u8fd4\u56de\u7535\u8111\u5bf9\u8c61&#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token comment\"># \u53ef\u4ee5\u5728\u8fd9\u91cc\u505a\u53c2\u6570\u6821\u9a8c<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>cpu<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;CPU\u4e0d\u80fd\u4e3a\u7a7a&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> self<span class=\"token punctuation\">.<\/span>computer<span class=\"token punctuation\">.<\/span>ram<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5185\u5b58\u4e0d\u80fd\u4e3a\u7a7a&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>computer<\/p>\n<h4>\u4f7f\u7528\u793a\u4f8b<\/h4>\n<p><span class=\"token keyword\">if<\/span> __name__ <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;__main__&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u94fe\u5f0f\u8c03\u7528\u6784\u5efa\u6e38\u620f\u7535\u8111<\/span><br \/>\n    gaming_pc <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>ComputerBuilder<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>set_cpu<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Intel i9-14900K&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>set_ram<span class=\"token punctuation\">(<\/span><span class=\"token number\">64<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>set_disk<span class=\"token punctuation\">(<\/span><span class=\"token number\">2000<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>set_gpu<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;NVIDIA RTX 4090&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>set_monitor<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;32\u5bf8 4K 144Hz&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>set_os<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Windows 11 Pro&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>build<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>gaming_pc<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-&#034;<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">30<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u94fe\u5f0f\u8c03\u7528\u6784\u5efa\u529e\u516c\u7535\u8111&#xff08;\u4e0d\u9700\u8981\u663e\u5361&#xff09;<\/span><br \/>\n    office_pc <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>ComputerBuilder<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>set_cpu<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Intel i5-13400&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>set_ram<span class=\"token punctuation\">(<\/span><span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>set_disk<span class=\"token punctuation\">(<\/span><span class=\"token number\">512<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>set_monitor<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;24\u5bf8 1080P&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>set_os<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Windows 10 Home&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>build<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>office_pc<span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u8fdb\u9636\u7248&#xff1a;\u4f7f\u7528dataclass\u7b80\u5316<\/h4>\n<p>Python 3.7&#043;\u63d0\u4f9b\u4e86dataclass\u88c5\u9970\u5668&#xff0c;\u53ef\u4ee5\u5927\u5e45\u7b80\u5316\u4ea7\u54c1\u7c7b\u7684\u5b9a\u4e49\u3002<\/p>\n<p><span class=\"token keyword\">from<\/span> dataclasses <span class=\"token keyword\">import<\/span> dataclass<span class=\"token punctuation\">,<\/span> field<br \/>\n<span class=\"token keyword\">from<\/span> typing <span class=\"token keyword\">import<\/span> Optional<span class=\"token punctuation\">,<\/span> List<\/p>\n<p><span class=\"token decorator annotation punctuation\">&#064;dataclass<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Computer<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u7535\u8111\u4ea7\u54c1\u7c7b&#xff0c;\u4f7f\u7528dataclass\u7b80\u5316&#034;&#034;&#034;<\/span><br \/>\n    cpu<span class=\"token punctuation\">:<\/span> Optional<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n    ram<span class=\"token punctuation\">:<\/span> Optional<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n    disk<span class=\"token punctuation\">:<\/span> Optional<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n    gpu<span class=\"token punctuation\">:<\/span> Optional<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n    monitor<span class=\"token punctuation\">:<\/span> Optional<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n    os<span class=\"token punctuation\">:<\/span> Optional<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n    peripherals<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> field<span class=\"token punctuation\">(<\/span>default_factory<span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">list<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__str__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u7535\u8111\u914d\u7f6e:\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  CPU: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>cpu<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u5185\u5b58: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>ram<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">GB\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u786c\u76d8: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>disk<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">GB\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u663e\u5361: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>gpu<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u663e\u793a\u5668: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>monitor<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u7cfb\u7edf: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>os<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\n&#034;<\/span><\/span><br \/>\n                <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;  \u5916\u8bbe: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;, &#039;<\/span><span class=\"token punctuation\">.<\/span>join<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>peripherals<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">if<\/span> self<span class=\"token punctuation\">.<\/span>peripherals <span class=\"token keyword\">else<\/span> <span class=\"token string\">&#039;\u65e0&#039;<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ComputerBuilder<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u7535\u8111\u5efa\u9020\u8005&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_computer <span class=\"token operator\">&#061;<\/span> Computer<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">cpu<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> cpu<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;ComputerBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_computer<span class=\"token punctuation\">.<\/span>cpu <span class=\"token operator\">&#061;<\/span> cpu<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">ram<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> ram<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;ComputerBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_computer<span class=\"token punctuation\">.<\/span>ram <span class=\"token operator\">&#061;<\/span> ram<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">disk<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> disk<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;ComputerBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_computer<span class=\"token punctuation\">.<\/span>disk <span class=\"token operator\">&#061;<\/span> disk<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">gpu<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> gpu<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;ComputerBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_computer<span class=\"token punctuation\">.<\/span>gpu <span class=\"token operator\">&#061;<\/span> gpu<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">monitor<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> monitor<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;ComputerBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_computer<span class=\"token punctuation\">.<\/span>monitor <span class=\"token operator\">&#061;<\/span> monitor<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">os<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> os<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;ComputerBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_computer<span class=\"token punctuation\">.<\/span>os <span class=\"token operator\">&#061;<\/span> os<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">add_peripheral<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> peripheral<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;ComputerBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_computer<span class=\"token punctuation\">.<\/span>peripherals<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>peripheral<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> Computer<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6784\u5efa\u5b8c\u6210&#xff0c;\u8fd4\u56de\u7535\u8111\u5bf9\u8c61&#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> self<span class=\"token punctuation\">.<\/span>_computer<span class=\"token punctuation\">.<\/span>cpu<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;CPU\u662f\u5fc5\u586b\u9879&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> self<span class=\"token punctuation\">.<\/span>_computer<span class=\"token punctuation\">.<\/span>ram <span class=\"token keyword\">or<\/span> self<span class=\"token punctuation\">.<\/span>_computer<span class=\"token punctuation\">.<\/span>ram <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5185\u5b58\u4e0d\u80fd\u5c0f\u4e8e4GB&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>_computer<\/p>\n<hr \/>\n<h3>\u516d\u3001\u4f01\u4e1a\u9879\u76ee\u5b9e\u6218\u573a\u666f<\/h3>\n<p>\u5efa\u9020\u8005\u6a21\u5f0f\u5728\u4f01\u4e1a\u9879\u76ee\u4e2d\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb&#xff0c;\u4e0b\u9762\u4ecb\u7ecd\u51e0\u4e2a\u6700\u5e38\u89c1\u7684\u5b9e\u6218\u573a\u666f\u3002<\/p>\n<h4>\u5b9e\u6218\u573a\u666f1&#xff1a;HTTP\u8bf7\u6c42\u6784\u5efa\u5668<\/h4>\n<p>\u5728\u722c\u866b\u6216API\u8c03\u7528\u4e2d&#xff0c;HTTP\u8bf7\u6c42\u901a\u5e38\u5305\u542bURL\u3001\u65b9\u6cd5\u3001\u8bf7\u6c42\u5934\u3001\u8bf7\u6c42\u4f53\u3001\u8d85\u65f6\u65f6\u95f4\u7b49\u591a\u4e2a\u53c2\u6570&#xff0c;\u975e\u5e38\u9002\u5408\u4f7f\u7528\u5efa\u9020\u8005\u6a21\u5f0f\u3002<\/p>\n<p><span class=\"token keyword\">from<\/span> dataclasses <span class=\"token keyword\">import<\/span> dataclass<span class=\"token punctuation\">,<\/span> field<br \/>\n<span class=\"token keyword\">from<\/span> typing <span class=\"token keyword\">import<\/span> Optional<span class=\"token punctuation\">,<\/span> Dict<br \/>\n<span class=\"token keyword\">import<\/span> requests<\/p>\n<p><span class=\"token decorator annotation punctuation\">&#064;dataclass<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">HttpRequest<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;HTTP\u8bf7\u6c42\u5bf9\u8c61&#034;&#034;&#034;<\/span><br \/>\n    url<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    method<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;GET&#034;<\/span><br \/>\n    headers<span class=\"token punctuation\">:<\/span> Dict<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> field<span class=\"token punctuation\">(<\/span>default_factory<span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    params<span class=\"token punctuation\">:<\/span> Dict<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> field<span class=\"token punctuation\">(<\/span>default_factory<span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    body<span class=\"token punctuation\">:<\/span> Optional<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n    timeout<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">30<\/span><br \/>\n    verify_ssl<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">bool<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">True<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">HttpRequestBuilder<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;HTTP\u8bf7\u6c42\u6784\u5efa\u5668&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> url<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_request <span class=\"token operator\">&#061;<\/span> HttpRequest<span class=\"token punctuation\">(<\/span>url<span class=\"token operator\">&#061;<\/span>url<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">method<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> method<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;HttpRequestBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_request<span class=\"token punctuation\">.<\/span>method <span class=\"token operator\">&#061;<\/span> method<span class=\"token punctuation\">.<\/span>upper<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">header<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> key<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;HttpRequestBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_request<span class=\"token punctuation\">.<\/span>headers<span class=\"token punctuation\">[<\/span>key<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> value<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">headers<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> headers<span class=\"token punctuation\">:<\/span> Dict<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;HttpRequestBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_request<span class=\"token punctuation\">.<\/span>headers<span class=\"token punctuation\">.<\/span>update<span class=\"token punctuation\">(<\/span>headers<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">param<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> key<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;HttpRequestBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_request<span class=\"token punctuation\">.<\/span>params<span class=\"token punctuation\">[<\/span>key<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> value<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">body<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;HttpRequestBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_request<span class=\"token punctuation\">.<\/span>body <span class=\"token operator\">&#061;<\/span> body<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">timeout<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> timeout<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;HttpRequestBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_request<span class=\"token punctuation\">.<\/span>timeout <span class=\"token operator\">&#061;<\/span> timeout<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">disable_ssl_verify<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;HttpRequestBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_request<span class=\"token punctuation\">.<\/span>verify_ssl <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">False<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> HttpRequest<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6784\u5efa\u8bf7\u6c42\u5bf9\u8c61&#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> self<span class=\"token punctuation\">.<\/span>_request<span class=\"token punctuation\">.<\/span>url<span class=\"token punctuation\">.<\/span>startswith<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;http:\/\/&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;https:\/\/&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;URL\u5fc5\u987b\u4ee5http:\/\/\u6216https:\/\/\u5f00\u5934&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>_request<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">execute<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> requests<span class=\"token punctuation\">.<\/span>Response<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u76f4\u63a5\u6267\u884c\u8bf7\u6c42&#034;&#034;&#034;<\/span><br \/>\n        req <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>build<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> requests<span class=\"token punctuation\">.<\/span>request<span class=\"token punctuation\">(<\/span><br \/>\n            method<span class=\"token operator\">&#061;<\/span>req<span class=\"token punctuation\">.<\/span>method<span class=\"token punctuation\">,<\/span><br \/>\n            url<span class=\"token operator\">&#061;<\/span>req<span class=\"token punctuation\">.<\/span>url<span class=\"token punctuation\">,<\/span><br \/>\n            headers<span class=\"token operator\">&#061;<\/span>req<span class=\"token punctuation\">.<\/span>headers<span class=\"token punctuation\">,<\/span><br \/>\n            params<span class=\"token operator\">&#061;<\/span>req<span class=\"token punctuation\">.<\/span>params<span class=\"token punctuation\">,<\/span><br \/>\n            data<span class=\"token operator\">&#061;<\/span>req<span class=\"token punctuation\">.<\/span>body<span class=\"token punctuation\">,<\/span><br \/>\n            timeout<span class=\"token operator\">&#061;<\/span>req<span class=\"token punctuation\">.<\/span>timeout<span class=\"token punctuation\">,<\/span><br \/>\n            verify<span class=\"token operator\">&#061;<\/span>req<span class=\"token punctuation\">.<\/span>verify_ssl<br \/>\n        <span class=\"token punctuation\">)<\/span><\/p>\n<p>\u4f7f\u7528\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u6784\u5efa\u4e00\u4e2aPOST\u8bf7\u6c42<\/span><br \/>\nresponse <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>HttpRequestBuilder<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;https:\/\/api.example.com\/users&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span>method<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;POST&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span>header<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Content-Type&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;application\/json&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span>header<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Authorization&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Bearer token123&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span>body<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;{&#034;name&#034;: &#034;\u5f20\u4e09&#034;, &#034;age&#034;: 25}&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span>timeout<span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span>execute<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span>status_code<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span>json<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u5b9e\u6218\u573a\u666f2&#xff1a;SQL\u67e5\u8be2\u6784\u5efa\u5668<\/h4>\n<p>\u5728\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d&#xff0c;\u590d\u6742\u7684SQL\u67e5\u8be2\u5305\u542bSELECT\u3001FROM\u3001WHERE\u3001JOIN\u3001ORDER BY\u3001LIMIT\u7b49\u591a\u4e2a\u5b50\u53e5&#xff0c;\u4f7f\u7528\u5efa\u9020\u8005\u6a21\u5f0f\u53ef\u4ee5\u4f18\u96c5\u5730\u6784\u5efaSQL\u8bed\u53e5&#xff0c;\u907f\u514d\u5b57\u7b26\u4e32\u62fc\u63a5\u7684\u6df7\u4e71\u3002<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SQLQueryBuilder<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;SQL\u67e5\u8be2\u6784\u5efa\u5668&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_select <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;*&#034;<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_table <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_joins <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_where <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_order_by <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_group_by <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_limit <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_offset <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">select<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> columns<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;SQLQueryBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_select <span class=\"token operator\">&#061;<\/span> columns<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">from_table<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> table<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;SQLQueryBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_table <span class=\"token operator\">&#061;<\/span> table<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">join<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> table<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> on_condition<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;SQLQueryBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_joins<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;JOIN <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>table<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> ON <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>on_condition<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">left_join<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> table<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> on_condition<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;SQLQueryBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_joins<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;LEFT JOIN <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>table<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> ON <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>on_condition<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">where<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> condition<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;SQLQueryBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_where<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>condition<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">and_where<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> condition<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;SQLQueryBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_where<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;AND <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>condition<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">or_where<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> condition<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;SQLQueryBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_where<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;OR <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>condition<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">order_by<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> column<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> direction<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;ASC&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;SQLQueryBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_order_by <span class=\"token operator\">&#061;<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;ORDER BY <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>column<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>direction<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">group_by<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> column<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;SQLQueryBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_group_by <span class=\"token operator\">&#061;<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;GROUP BY <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>column<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">limit<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> limit<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;SQLQueryBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_limit <span class=\"token operator\">&#061;<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;LIMIT <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>limit<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">offset<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> offset<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;SQLQueryBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_offset <span class=\"token operator\">&#061;<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;OFFSET <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>offset<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6784\u5efaSQL\u8bed\u53e5&#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> self<span class=\"token punctuation\">.<\/span>_table<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5fc5\u987b\u6307\u5b9a\u8868\u540d&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        query_parts <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;SELECT <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>_select<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;FROM <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>_table<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> self<span class=\"token punctuation\">.<\/span>_joins<span class=\"token punctuation\">:<\/span><br \/>\n            query_parts<span class=\"token punctuation\">.<\/span>extend<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>_joins<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> self<span class=\"token punctuation\">.<\/span>_where<span class=\"token punctuation\">:<\/span><br \/>\n            where_clause <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034; WHERE &#034;<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">.<\/span>join<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>_where<span class=\"token punctuation\">)<\/span><br \/>\n            query_parts<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>where_clause<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> self<span class=\"token punctuation\">.<\/span>_group_by<span class=\"token punctuation\">:<\/span><br \/>\n            query_parts<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>_group_by<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> self<span class=\"token punctuation\">.<\/span>_order_by<span class=\"token punctuation\">:<\/span><br \/>\n            query_parts<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>_order_by<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> self<span class=\"token punctuation\">.<\/span>_limit<span class=\"token punctuation\">:<\/span><br \/>\n            query_parts<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>_limit<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> self<span class=\"token punctuation\">.<\/span>_offset<span class=\"token punctuation\">:<\/span><br \/>\n            query_parts<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>_offset<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">.<\/span>join<span class=\"token punctuation\">(<\/span>query_parts<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;;&#034;<\/span><\/p>\n<p>\u4f7f\u7528\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u6784\u5efa\u590d\u6742\u67e5\u8be2<\/span><br \/>\nsql <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>SQLQueryBuilder<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n       <span class=\"token punctuation\">.<\/span>select<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;u.id, u.name, u.age, o.order_no, o.amount&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n       <span class=\"token punctuation\">.<\/span>from_table<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;users u&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n       <span class=\"token punctuation\">.<\/span>left_join<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;orders o&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;u.id &#061; o.user_id&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n       <span class=\"token punctuation\">.<\/span>where<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;u.age &gt; 18&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n       <span class=\"token punctuation\">.<\/span>and_where<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;o.amount &gt; 100&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n       <span class=\"token punctuation\">.<\/span>order_by<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;o.amount&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;DESC&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n       <span class=\"token punctuation\">.<\/span>limit<span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><br \/>\n       <span class=\"token punctuation\">.<\/span>offset<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n       <span class=\"token punctuation\">.<\/span>build<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>sql<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u8f93\u51fa\u7ed3\u679c&#xff1a;<\/p>\n<p><span class=\"token keyword\">SELECT<\/span> u<span class=\"token punctuation\">.<\/span>id<span class=\"token punctuation\">,<\/span> u<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">,<\/span> u<span class=\"token punctuation\">.<\/span>age<span class=\"token punctuation\">,<\/span> o<span class=\"token punctuation\">.<\/span>order_no<span class=\"token punctuation\">,<\/span> o<span class=\"token punctuation\">.<\/span>amount <span class=\"token keyword\">FROM<\/span> users u <span class=\"token keyword\">LEFT<\/span> <span class=\"token keyword\">JOIN<\/span> orders o <span class=\"token keyword\">ON<\/span> u<span class=\"token punctuation\">.<\/span>id <span class=\"token operator\">&#061;<\/span> o<span class=\"token punctuation\">.<\/span>user_id <span class=\"token keyword\">WHERE<\/span> u<span class=\"token punctuation\">.<\/span>age <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">18<\/span> <span class=\"token operator\">AND<\/span> o<span class=\"token punctuation\">.<\/span>amount <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">100<\/span> <span class=\"token keyword\">ORDER<\/span> <span class=\"token keyword\">BY<\/span> o<span class=\"token punctuation\">.<\/span>amount <span class=\"token keyword\">DESC<\/span> <span class=\"token keyword\">LIMIT<\/span> <span class=\"token number\">10<\/span> <span class=\"token keyword\">OFFSET<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>\u5b9e\u6218\u573a\u666f3&#xff1a;\u914d\u7f6e\u5bf9\u8c61\u6784\u5efa\u5668<\/h4>\n<p>\u5728\u4f01\u4e1a\u9879\u76ee\u4e2d&#xff0c;\u6570\u636e\u5e93\u8fde\u63a5\u914d\u7f6e\u3001Redis\u914d\u7f6e\u3001\u7ebf\u7a0b\u6c60\u914d\u7f6e\u7b49\u901a\u5e38\u6709\u5f88\u591a\u53c2\u6570&#xff0c;\u4f7f\u7528\u5efa\u9020\u8005\u6a21\u5f0f\u53ef\u4ee5\u8ba9\u914d\u7f6e\u66f4\u6e05\u6670\u3002<\/p>\n<p><span class=\"token keyword\">from<\/span> dataclasses <span class=\"token keyword\">import<\/span> dataclass<br \/>\n<span class=\"token keyword\">from<\/span> typing <span class=\"token keyword\">import<\/span> Optional<\/p>\n<p><span class=\"token decorator annotation punctuation\">&#064;dataclass<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DatabaseConfig<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6570\u636e\u5e93\u914d\u7f6e&#034;&#034;&#034;<\/span><br \/>\n    host<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    port<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><br \/>\n    database<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    username<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    password<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    pool_size<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5<\/span><br \/>\n    max_overflow<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10<\/span><br \/>\n    pool_timeout<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">30<\/span><br \/>\n    pool_recycle<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3600<\/span><br \/>\n    echo<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">bool<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">False<\/span><br \/>\n    charset<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;utf8mb4&#034;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DatabaseConfigBuilder<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6570\u636e\u5e93\u914d\u7f6e\u6784\u5efa\u5668&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_config <span class=\"token operator\">&#061;<\/span> DatabaseConfig<span class=\"token punctuation\">(<\/span><br \/>\n            host<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;localhost&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            port<span class=\"token operator\">&#061;<\/span><span class=\"token number\">3306<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            database<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            username<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;root&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            password<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;&#034;<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">host<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> host<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;DatabaseConfigBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_config<span class=\"token punctuation\">.<\/span>host <span class=\"token operator\">&#061;<\/span> host<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">port<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> port<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;DatabaseConfigBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_config<span class=\"token punctuation\">.<\/span>port <span class=\"token operator\">&#061;<\/span> port<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">database<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> database<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;DatabaseConfigBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_config<span class=\"token punctuation\">.<\/span>database <span class=\"token operator\">&#061;<\/span> database<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">username<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> username<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;DatabaseConfigBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_config<span class=\"token punctuation\">.<\/span>username <span class=\"token operator\">&#061;<\/span> username<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">password<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> password<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;DatabaseConfigBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_config<span class=\"token punctuation\">.<\/span>password <span class=\"token operator\">&#061;<\/span> password<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">pool_size<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> size<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;DatabaseConfigBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_config<span class=\"token punctuation\">.<\/span>pool_size <span class=\"token operator\">&#061;<\/span> size<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">max_overflow<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> overflow<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;DatabaseConfigBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_config<span class=\"token punctuation\">.<\/span>max_overflow <span class=\"token operator\">&#061;<\/span> overflow<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">echo<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> echo<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">bool<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;DatabaseConfigBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_config<span class=\"token punctuation\">.<\/span>echo <span class=\"token operator\">&#061;<\/span> echo<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> DatabaseConfig<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6784\u5efa\u914d\u7f6e\u5bf9\u8c61&#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> self<span class=\"token punctuation\">.<\/span>_config<span class=\"token punctuation\">.<\/span>host<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6570\u636e\u5e93\u4e3b\u673a\u5730\u5740\u4e0d\u80fd\u4e3a\u7a7a&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> self<span class=\"token punctuation\">.<\/span>_config<span class=\"token punctuation\">.<\/span>database<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6570\u636e\u5e93\u540d\u4e0d\u80fd\u4e3a\u7a7a&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> self<span class=\"token punctuation\">.<\/span>_config<span class=\"token punctuation\">.<\/span>pool_size <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8fde\u63a5\u6c60\u5927\u5c0f\u4e0d\u80fd\u5c0f\u4e8e1&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>_config<\/p>\n<p>\u4f7f\u7528\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u6784\u5efa\u751f\u4ea7\u73af\u5883\u6570\u636e\u5e93\u914d\u7f6e<\/span><br \/>\nprod_config <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>DatabaseConfigBuilder<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n               <span class=\"token punctuation\">.<\/span>host<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;192.168.1.100&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n               <span class=\"token punctuation\">.<\/span>port<span class=\"token punctuation\">(<\/span><span class=\"token number\">3306<\/span><span class=\"token punctuation\">)<\/span><br \/>\n               <span class=\"token punctuation\">.<\/span>database<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;production_db&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n               <span class=\"token punctuation\">.<\/span>username<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;prod_user&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n               <span class=\"token punctuation\">.<\/span>password<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;prod_password&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n               <span class=\"token punctuation\">.<\/span>pool_size<span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><br \/>\n               <span class=\"token punctuation\">.<\/span>max_overflow<span class=\"token punctuation\">(<\/span><span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span><br \/>\n               <span class=\"token punctuation\">.<\/span>build<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u6784\u5efa\u5f00\u53d1\u73af\u5883\u6570\u636e\u5e93\u914d\u7f6e<\/span><br \/>\ndev_config <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>DatabaseConfigBuilder<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n              <span class=\"token punctuation\">.<\/span>host<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;localhost&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n              <span class=\"token punctuation\">.<\/span>database<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;dev_db&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n              <span class=\"token punctuation\">.<\/span>username<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;root&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n              <span class=\"token punctuation\">.<\/span>password<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;root&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n              <span class=\"token punctuation\">.<\/span>echo<span class=\"token punctuation\">(<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><br \/>\n              <span class=\"token punctuation\">.<\/span>build<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>prod_config<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>dev_config<span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u5b9e\u6218\u573a\u666f4&#xff1a;\u90ae\u4ef6\u6784\u5efa\u5668<\/h4>\n<p>\u53d1\u9001\u90ae\u4ef6\u65f6&#xff0c;\u901a\u5e38\u5305\u542b\u53d1\u4ef6\u4eba\u3001\u6536\u4ef6\u4eba\u3001\u6284\u9001\u3001\u4e3b\u9898\u3001\u6b63\u6587\u3001\u9644\u4ef6\u7b49\u591a\u4e2a\u90e8\u5206&#xff0c;\u4f7f\u7528\u5efa\u9020\u8005\u6a21\u5f0f\u53ef\u4ee5\u4f18\u96c5\u5730\u6784\u5efa\u90ae\u4ef6\u3002<\/p>\n<p><span class=\"token keyword\">from<\/span> dataclasses <span class=\"token keyword\">import<\/span> dataclass<span class=\"token punctuation\">,<\/span> field<br \/>\n<span class=\"token keyword\">from<\/span> typing <span class=\"token keyword\">import<\/span> List<span class=\"token punctuation\">,<\/span> Optional<br \/>\n<span class=\"token keyword\">import<\/span> smtplib<br \/>\n<span class=\"token keyword\">from<\/span> email<span class=\"token punctuation\">.<\/span>mime<span class=\"token punctuation\">.<\/span>text <span class=\"token keyword\">import<\/span> MIMEText<br \/>\n<span class=\"token keyword\">from<\/span> email<span class=\"token punctuation\">.<\/span>mime<span class=\"token punctuation\">.<\/span>multipart <span class=\"token keyword\">import<\/span> MIMEMultipart<\/p>\n<p><span class=\"token decorator annotation punctuation\">&#064;dataclass<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Email<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u90ae\u4ef6\u5bf9\u8c61&#034;&#034;&#034;<\/span><br \/>\n    sender<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    recipients<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> field<span class=\"token punctuation\">(<\/span>default_factory<span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">list<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    cc<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> field<span class=\"token punctuation\">(<\/span>default_factory<span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">list<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    bcc<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> field<span class=\"token punctuation\">(<\/span>default_factory<span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">list<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    subject<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;&#034;<\/span><br \/>\n    body<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;&#034;<\/span><br \/>\n    content_type<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;plain&#034;<\/span><br \/>\n    attachments<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> field<span class=\"token punctuation\">(<\/span>default_factory<span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">list<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EmailBuilder<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u90ae\u4ef6\u6784\u5efa\u5668&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> sender<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_email <span class=\"token operator\">&#061;<\/span> Email<span class=\"token punctuation\">(<\/span>sender<span class=\"token operator\">&#061;<\/span>sender<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">to<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> recipient<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;EmailBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_email<span class=\"token punctuation\">.<\/span>recipients<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>recipient<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">to_many<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> recipients<span class=\"token punctuation\">:<\/span> List<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;EmailBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_email<span class=\"token punctuation\">.<\/span>recipients<span class=\"token punctuation\">.<\/span>extend<span class=\"token punctuation\">(<\/span>recipients<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">cc<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> cc<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;EmailBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_email<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>cc<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">bcc<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> bcc<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;EmailBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_email<span class=\"token punctuation\">.<\/span>bcc<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>bcc<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">subject<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> subject<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;EmailBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_email<span class=\"token punctuation\">.<\/span>subject <span class=\"token operator\">&#061;<\/span> subject<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">body<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;EmailBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_email<span class=\"token punctuation\">.<\/span>body <span class=\"token operator\">&#061;<\/span> body<br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">html_body<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> html<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;EmailBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_email<span class=\"token punctuation\">.<\/span>body <span class=\"token operator\">&#061;<\/span> html<br \/>\n        self<span class=\"token punctuation\">.<\/span>_email<span class=\"token punctuation\">.<\/span>content_type <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;html&#034;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">attachment<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> file_path<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token string\">&#034;EmailBuilder&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_email<span class=\"token punctuation\">.<\/span>attachments<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>file_path<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> Email<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6784\u5efa\u90ae\u4ef6\u5bf9\u8c61&#034;&#034;&#034;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> self<span class=\"token punctuation\">.<\/span>_email<span class=\"token punctuation\">.<\/span>recipients<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6536\u4ef6\u4eba\u4e0d\u80fd\u4e3a\u7a7a&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> self<span class=\"token punctuation\">.<\/span>_email<span class=\"token punctuation\">.<\/span>subject<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u90ae\u4ef6\u4e3b\u9898\u4e0d\u80fd\u4e3a\u7a7a&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>_email<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> smtp_server<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> smtp_port<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> password<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u53d1\u9001\u90ae\u4ef6&#034;&#034;&#034;<\/span><br \/>\n        email <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>build<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        msg <span class=\"token operator\">&#061;<\/span> MIMEMultipart<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        msg<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;From&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> email<span class=\"token punctuation\">.<\/span>sender<br \/>\n        msg<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;To&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;, &#034;<\/span><span class=\"token punctuation\">.<\/span>join<span class=\"token punctuation\">(<\/span>email<span class=\"token punctuation\">.<\/span>recipients<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> email<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">:<\/span><br \/>\n            msg<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;Cc&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;, &#034;<\/span><span class=\"token punctuation\">.<\/span>join<span class=\"token punctuation\">(<\/span>email<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">)<\/span><br \/>\n        msg<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;Subject&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> email<span class=\"token punctuation\">.<\/span>subject<\/p>\n<p>        msg<span class=\"token punctuation\">.<\/span>attach<span class=\"token punctuation\">(<\/span>MIMEText<span class=\"token punctuation\">(<\/span>email<span class=\"token punctuation\">.<\/span>body<span class=\"token punctuation\">,<\/span> email<span class=\"token punctuation\">.<\/span>content_type<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;utf-8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        all_recipients <span class=\"token operator\">&#061;<\/span> email<span class=\"token punctuation\">.<\/span>recipients <span class=\"token operator\">&#043;<\/span> email<span class=\"token punctuation\">.<\/span>cc <span class=\"token operator\">&#043;<\/span> email<span class=\"token punctuation\">.<\/span>bcc<\/p>\n<p>        <span class=\"token keyword\">with<\/span> smtplib<span class=\"token punctuation\">.<\/span>SMTP<span class=\"token punctuation\">(<\/span>smtp_server<span class=\"token punctuation\">,<\/span> smtp_port<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> server<span class=\"token punctuation\">:<\/span><br \/>\n            server<span class=\"token punctuation\">.<\/span>starttls<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            server<span class=\"token punctuation\">.<\/span>login<span class=\"token punctuation\">(<\/span>email<span class=\"token punctuation\">.<\/span>sender<span class=\"token punctuation\">,<\/span> password<span class=\"token punctuation\">)<\/span><br \/>\n            server<span class=\"token punctuation\">.<\/span>sendmail<span class=\"token punctuation\">(<\/span>email<span class=\"token punctuation\">.<\/span>sender<span class=\"token punctuation\">,<\/span> all_recipients<span class=\"token punctuation\">,<\/span> msg<span class=\"token punctuation\">.<\/span>as_string<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u4f7f\u7528\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u6784\u5efa\u5e76\u53d1\u9001HTML\u90ae\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">(<\/span>EmailBuilder<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;sender&#064;example.com&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n <span class=\"token punctuation\">.<\/span>to<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;user1&#064;example.com&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n <span class=\"token punctuation\">.<\/span>to<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;user2&#064;example.com&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n <span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;manager&#064;example.com&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n <span class=\"token punctuation\">.<\/span>subject<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u9879\u76ee\u8fdb\u5ea6\u62a5\u544a&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n <span class=\"token punctuation\">.<\/span>html_body<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&lt;h1&gt;\u672c\u5468\u9879\u76ee\u8fdb\u5ea6&lt;\/h1&gt;&lt;p&gt;\u5df2\u5b8c\u621080%&lt;\/p&gt;&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n <span class=\"token punctuation\">.<\/span>attachment<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/path\/to\/report.pdf&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n <span class=\"token punctuation\">.<\/span>send<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;smtp.example.com&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">587<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;password&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<hr \/>\n<h3>\u4e03\u3001\u5efa\u9020\u8005\u6a21\u5f0f vs \u5de5\u5382\u6a21\u5f0f vs \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f<\/h3>\n<p>\u8fd9\u4e09\u4e2a\u6a21\u5f0f\u90fd\u5c5e\u4e8e\u521b\u5efa\u578b\u6a21\u5f0f&#xff0c;\u7ecf\u5e38\u88ab\u62ff\u6765\u5bf9\u6bd4&#xff0c;\u4e5f\u662f\u9762\u8bd5\u9ad8\u9891\u8003\u70b9\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260828050045-6a9115fd3082a.jpg\" alt=\"\u4e09\u79cd\u521b\u5efa\u578b\u8bbe\u8ba1\u6a21\u5f0f\u5bf9\u6bd4\" \/><\/p>\n<table>\n<tr>\u5bf9\u6bd4\u7ef4\u5ea6\u5de5\u5382\u6a21\u5f0f\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u5efa\u9020\u8005\u6a21\u5f0f<\/tr>\n<tbody>\n<tr>\n<td>\u6838\u5fc3\u610f\u56fe<\/td>\n<td>\u5173\u6ce8\u521b\u5efa\u4ec0\u4e48&#xff0c;\u521b\u5efa\u5355\u4e00\u4ea7\u54c1<\/td>\n<td>\u5173\u6ce8\u521b\u5efa\u4ea7\u54c1\u65cf&#xff0c;\u521b\u5efa\u4e00\u7ec4\u76f8\u5173\u4ea7\u54c1<\/td>\n<td>\u5173\u6ce8\u5982\u4f55\u521b\u5efa&#xff0c;\u5206\u6b65\u6784\u5efa\u590d\u6742\u5bf9\u8c61<\/td>\n<\/tr>\n<tr>\n<td>\u4ea7\u54c1\u590d\u6742\u5ea6<\/td>\n<td>\u7b80\u5355\/\u6807\u51c6\u5316\u5bf9\u8c61<\/td>\n<td>\u591a\u4e2a\u76f8\u5173\u4ea7\u54c1\u7ec4\u6210\u7684\u4ea7\u54c1\u65cf<\/td>\n<td>\u590d\u6742\u5bf9\u8c61&#xff0c;\u7531\u591a\u4e2a\u90e8\u4ef6\u7ec4\u6210<\/td>\n<\/tr>\n<tr>\n<td>\u6784\u5efa\u8fc7\u7a0b<\/td>\n<td>\u4e00\u6b21\u6027\u521b\u5efa\u5b8c\u6210<\/td>\n<td>\u4e00\u6b21\u6027\u521b\u5efa\u591a\u4e2a\u4ea7\u54c1<\/td>\n<td>\u5206\u6b65\u9aa4\u6784\u5efa&#xff0c;\u53ef\u4ee5\u63a7\u5236\u987a\u5e8f<\/td>\n<\/tr>\n<tr>\n<td>\u7075\u6d3b\u6027<\/td>\n<td>\u8f83\u4f4e&#xff0c;\u4ea7\u54c1\u7c7b\u578b\u56fa\u5b9a<\/td>\n<td>\u4e2d\u7b49&#xff0c;\u53ef\u4ee5\u5207\u6362\u4ea7\u54c1\u65cf<\/td>\n<td>\u8f83\u9ad8&#xff0c;\u53ef\u4ee5\u81ea\u7531\u7ec4\u5408\u90e8\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>\u5178\u578b\u5e94\u7528<\/td>\n<td>\u6570\u636e\u5e93\u9a71\u52a8\u521b\u5efa\u3001\u65e5\u5fd7\u5668\u521b\u5efa<\/td>\n<td>\u8de8\u5e73\u53f0UI\u7ec4\u4ef6\u3001\u591a\u6570\u636e\u5e93\u8bbf\u95ee<\/td>\n<td>SQL\u6784\u5efa\u3001HTTP\u8bf7\u6c42\u6784\u5efa\u3001\u914d\u7f6e\u5bf9\u8c61<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u4e00\u53e5\u8bdd\u533a\u5206<\/h4>\n<ul>\n<li>\u5de5\u5382\u6a21\u5f0f&#xff1a;\u6211\u8981\u4e00\u4e2a\u82f9\u679c&#xff0c;\u5de5\u5382\u76f4\u63a5\u7ed9\u6211\u4e00\u4e2a\u82f9\u679c<\/li>\n<li>\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f&#xff1a;\u6211\u8981\u4e00\u5957\u82f9\u679c\u4ea7\u54c1&#xff08;\u624b\u673a&#043;\u7535\u8111&#043;\u5e73\u677f&#xff09;&#xff0c;\u5de5\u5382\u76f4\u63a5\u7ed9\u6211\u4e00\u6574\u5957<\/li>\n<li>\u5efa\u9020\u8005\u6a21\u5f0f&#xff1a;\u6211\u8981\u4e00\u53f0\u7535\u8111&#xff0c;\u6211\u4e00\u6b65\u6b65\u544a\u8bc9\u4f60CPU\u8981\u4ec0\u4e48\u3001\u5185\u5b58\u8981\u4ec0\u4e48\u3001\u786c\u76d8\u8981\u4ec0\u4e48&#xff0c;\u6700\u540e\u7ec4\u88c5\u597d\u7ed9\u6211<\/li>\n<\/ul>\n<h4>\u4ee3\u7801\u5bf9\u6bd4<\/h4>\n<p><span class=\"token comment\"># \u5de5\u5382\u6a21\u5f0f&#xff1a;\u76f4\u63a5\u521b\u5efa\u5b8c\u6574\u5bf9\u8c61<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ComputerFactory<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token decorator annotation punctuation\">&#064;staticmethod<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">create_computer<\/span><span class=\"token punctuation\">(<\/span>computer_type<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> computer_type <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;gaming&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> Computer<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;i9&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">64<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;RTX4090&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">elif<\/span> computer_type <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;office&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> Computer<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;i5&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">16<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">512<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u6838\u663e&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f&#xff1a;\u521b\u5efa\u4e00\u6574\u5957\u4ea7\u54c1<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AppleFactory<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">create_phone<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> IPhone<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">create_computer<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> Mac<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">create_tablet<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> IPad<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u5efa\u9020\u8005\u6a21\u5f0f&#xff1a;\u5206\u6b65\u6784\u5efa<\/span><br \/>\ngaming_pc <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>ComputerBuilder<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n             <span class=\"token punctuation\">.<\/span>set_cpu<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;i9&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n             <span class=\"token punctuation\">.<\/span>set_ram<span class=\"token punctuation\">(<\/span><span class=\"token number\">64<\/span><span class=\"token punctuation\">)<\/span><br \/>\n             <span class=\"token punctuation\">.<\/span>set_disk<span class=\"token punctuation\">(<\/span><span class=\"token number\">2000<\/span><span class=\"token punctuation\">)<\/span><br \/>\n             <span class=\"token punctuation\">.<\/span>set_gpu<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;RTX4090&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n             <span class=\"token punctuation\">.<\/span>build<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<hr \/>\n<h3>\u516b\u3001\u9762\u8bd5\u5b98\u9ad8\u9891\u9762\u8bd5\u9898<\/h3>\n<h4>\u9762\u8bd5\u98981&#xff1a;\u4ec0\u4e48\u662f\u5efa\u9020\u8005\u6a21\u5f0f&#xff1f;\u5b83\u7684\u6838\u5fc3\u601d\u60f3\u662f\u4ec0\u4e48&#xff1f;<\/h4>\n<p>\u53c2\u8003\u7b54\u6848&#xff1a;<\/p>\n<p>\u5efa\u9020\u8005\u6a21\u5f0f\u662f\u4e00\u79cd\u521b\u5efa\u578b\u8bbe\u8ba1\u6a21\u5f0f&#xff0c;\u5b83\u5c06\u4e00\u4e2a\u590d\u6742\u5bf9\u8c61\u7684\u6784\u5efa\u4e0e\u5b83\u7684\u8868\u793a\u5206\u79bb&#xff0c;\u4f7f\u5f97\u540c\u6837\u7684\u6784\u5efa\u8fc7\u7a0b\u53ef\u4ee5\u521b\u5efa\u4e0d\u540c\u7684\u8868\u793a\u3002<\/p>\n<p>\u6838\u5fc3\u601d\u60f3\u662f\u5c06\u590d\u6742\u5bf9\u8c61\u7684\u521b\u5efa\u8fc7\u7a0b\u62c6\u5206\u6210\u591a\u4e2a\u7b80\u5355\u7684\u6b65\u9aa4&#xff0c;\u901a\u8fc7\u4e00\u6b65\u6b65\u7ec4\u88c5\u6765\u5b8c\u6210\u5bf9\u8c61\u7684\u521b\u5efa\u3002\u7528\u6237\u53ea\u9700\u8981\u6307\u5b9a\u9700\u8981\u6784\u5efa\u7684\u5185\u5bb9&#xff0c;\u4e0d\u9700\u8981\u77e5\u9053\u5185\u90e8\u7684\u5177\u4f53\u6784\u5efa\u7ec6\u8282\u3002<\/p>\n<h4>\u9762\u8bd5\u98982&#xff1a;\u5efa\u9020\u8005\u6a21\u5f0f\u548c\u5de5\u5382\u6a21\u5f0f\u6709\u4ec0\u4e48\u533a\u522b&#xff1f;<\/h4>\n<p>\u53c2\u8003\u7b54\u6848&#xff1a;<\/p>\n<li>\u5173\u6ce8\u70b9\u4e0d\u540c&#xff1a;\u5de5\u5382\u6a21\u5f0f\u5173\u6ce8\u521b\u5efa\u4ec0\u4e48&#xff08;\u5bf9\u8c61\u7c7b\u578b&#xff09;&#xff0c;\u5efa\u9020\u8005\u6a21\u5f0f\u5173\u6ce8\u5982\u4f55\u521b\u5efa&#xff08;\u6784\u5efa\u8fc7\u7a0b&#xff09;<\/li>\n<li>\u4ea7\u54c1\u590d\u6742\u5ea6\u4e0d\u540c&#xff1a;\u5de5\u5382\u6a21\u5f0f\u9002\u7528\u4e8e\u521b\u5efa\u7b80\u5355\u5bf9\u8c61&#xff0c;\u5efa\u9020\u8005\u6a21\u5f0f\u9002\u7528\u4e8e\u521b\u5efa\u7531\u591a\u4e2a\u90e8\u4ef6\u7ec4\u6210\u7684\u590d\u6742\u5bf9\u8c61<\/li>\n<li>\u6784\u5efa\u8fc7\u7a0b\u4e0d\u540c&#xff1a;\u5de5\u5382\u6a21\u5f0f\u662f\u4e00\u6b21\u6027\u521b\u5efa\u5b8c\u6210&#xff0c;\u5efa\u9020\u8005\u6a21\u5f0f\u662f\u5206\u6b65\u9aa4\u6784\u5efa&#xff0c;\u53ef\u4ee5\u63a7\u5236\u6784\u5efa\u987a\u5e8f<\/li>\n<li>\u7075\u6d3b\u6027\u4e0d\u540c&#xff1a;\u5efa\u9020\u8005\u6a21\u5f0f\u66f4\u7075\u6d3b&#xff0c;\u53ef\u4ee5\u81ea\u7531\u7ec4\u5408\u5404\u4e2a\u90e8\u4ef6&#xff0c;\u5de5\u5382\u6a21\u5f0f\u4ea7\u54c1\u7c7b\u578b\u76f8\u5bf9\u56fa\u5b9a<\/li>\n<h4>\u9762\u8bd5\u98983&#xff1a;\u5efa\u9020\u8005\u6a21\u5f0f\u7684\u56db\u4e2a\u89d2\u8272\u662f\u4ec0\u4e48&#xff1f;\u5404\u81ea\u7684\u804c\u8d23\u662f\u4ec0\u4e48&#xff1f;<\/h4>\n<p>\u53c2\u8003\u7b54\u6848&#xff1a;<\/p>\n<li>Product&#xff08;\u4ea7\u54c1&#xff09;&#xff1a;\u6700\u7ec8\u8981\u6784\u5efa\u7684\u590d\u6742\u5bf9\u8c61&#xff0c;\u5305\u542b\u591a\u4e2a\u7ec4\u6210\u90e8\u5206<\/li>\n<li>Builder&#xff08;\u62bd\u8c61\u5efa\u9020\u8005&#xff09;&#xff1a;\u5b9a\u4e49\u6784\u5efa\u4ea7\u54c1\u5404\u4e2a\u90e8\u4ef6\u7684\u62bd\u8c61\u63a5\u53e3&#xff0c;\u89c4\u5b9a\u6784\u5efa\u6b65\u9aa4<\/li>\n<li>ConcreteBuilder&#xff08;\u5177\u4f53\u5efa\u9020\u8005&#xff09;&#xff1a;\u5b9e\u73b0Builder\u63a5\u53e3&#xff0c;\u5177\u4f53\u5b9e\u73b0\u6bcf\u4e00\u6b65\u7684\u6784\u5efa\u903b\u8f91<\/li>\n<li>Director&#xff08;\u6307\u6325\u8005&#xff09;&#xff1a;\u8d1f\u8d23\u63a7\u5236\u6784\u5efa\u8fc7\u7a0b\u7684\u987a\u5e8f&#xff0c;\u8c03\u7528\u5efa\u9020\u8005\u7684\u65b9\u6cd5\u6765\u6784\u5efa\u4ea7\u54c1<\/li>\n<h4>\u9762\u8bd5\u98984&#xff1a;\u4ec0\u4e48\u65f6\u5019\u5e94\u8be5\u4f7f\u7528\u5efa\u9020\u8005\u6a21\u5f0f&#xff1f;<\/h4>\n<p>\u53c2\u8003\u7b54\u6848&#xff1a;<\/p>\n<li>\u5f53\u521b\u5efa\u590d\u6742\u5bf9\u8c61\u7684\u7b97\u6cd5\u5e94\u8be5\u72ec\u7acb\u4e8e\u8be5\u5bf9\u8c61\u7684\u7ec4\u6210\u90e8\u5206\u4ee5\u53ca\u5b83\u4eec\u7684\u88c5\u914d\u65b9\u5f0f\u65f6<\/li>\n<li>\u5f53\u6784\u9020\u8fc7\u7a0b\u5fc5\u987b\u5141\u8bb8\u88ab\u6784\u9020\u7684\u5bf9\u8c61\u6709\u4e0d\u540c\u7684\u8868\u793a\u65f6<\/li>\n<li>\u5f53\u5bf9\u8c61\u5c5e\u6027\u5f88\u591a&#xff0c;\u4e14\u6709\u5f88\u591a\u53ef\u9009\u53c2\u6570\u65f6<\/li>\n<li>\u5f53\u9700\u8981\u63a7\u5236\u5bf9\u8c61\u7684\u6784\u5efa\u987a\u5e8f\u65f6<\/li>\n<li>\u5f53\u9700\u8981\u5728\u6784\u5efa\u8fc7\u7a0b\u4e2d\u505a\u53c2\u6570\u6821\u9a8c\u65f6<\/li>\n<h4>\u9762\u8bd5\u98985&#xff1a;\u5efa\u9020\u8005\u6a21\u5f0f\u6709\u4ec0\u4e48\u4f18\u7f3a\u70b9&#xff1f;<\/h4>\n<p>\u53c2\u8003\u7b54\u6848&#xff1a;<\/p>\n<p>\u4f18\u70b9&#xff1a;<\/p>\n<li>\u9690\u85cf\u4e86\u4ea7\u54c1\u7684\u5185\u90e8\u7ed3\u6784\u548c\u88c5\u914d\u8fc7\u7a0b<\/li>\n<li>\u5c06\u6784\u9020\u4ee3\u7801\u4e0e\u8868\u793a\u4ee3\u7801\u5206\u5f00&#xff0c;\u7b26\u5408\u5355\u4e00\u804c\u8d23\u539f\u5219<\/li>\n<li>\u53ef\u4ee5\u5bf9\u6784\u9020\u8fc7\u7a0b\u8fdb\u884c\u66f4\u52a0\u7cbe\u7ec6\u7684\u63a7\u5236<\/li>\n<li>\u94fe\u5f0f\u8c03\u7528\u4ee3\u7801\u53ef\u8bfb\u6027\u5f3a&#xff0c;IDE\u81ea\u52a8\u8865\u5168\u53cb\u597d<\/li>\n<li>\u53ef\u4ee5\u521b\u5efa\u4e0d\u540c\u8868\u793a\u7684\u5bf9\u8c61<\/li>\n<p>\u7f3a\u70b9&#xff1a;<\/p>\n<li>\u4ea7\u54c1\u5fc5\u987b\u6709\u5171\u540c\u70b9&#xff0c;\u8303\u56f4\u6709\u9650\u5236<\/li>\n<li>\u5982\u679c\u5185\u90e8\u53d8\u5316\u590d\u6742&#xff0c;\u4f1a\u6709\u5f88\u591a\u7684\u5efa\u9020\u7c7b<\/li>\n<li>\u6bd4\u76f4\u63a5new\u5bf9\u8c61\u591a\u5199\u4e00\u4e9b\u4ee3\u7801&#xff0c;\u7b80\u5355\u5bf9\u8c61\u4f7f\u7528\u4f1a\u663e\u5f97\u8fc7\u5ea6\u8bbe\u8ba1<\/li>\n<h4>\u9762\u8bd5\u98986&#xff1a;Python\u4e2d\u5982\u4f55\u5b9e\u73b0\u94fe\u5f0f\u8c03\u7528\u7684\u5efa\u9020\u8005\u6a21\u5f0f&#xff1f;<\/h4>\n<p>\u53c2\u8003\u7b54\u6848&#xff1a;<\/p>\n<p>\u6bcf\u4e2a\u8bbe\u7f6e\u65b9\u6cd5\u8fd4\u56deself&#xff0c;\u8fd9\u6837\u5c31\u53ef\u4ee5\u8fde\u7eed\u8c03\u7528\u591a\u4e2a\u65b9\u6cd5&#xff0c;\u6700\u540e\u8c03\u7528build\u65b9\u6cd5\u8fd4\u56de\u6700\u7ec8\u5bf9\u8c61\u3002<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Builder<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_product <span class=\"token operator\">&#061;<\/span> Product<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">set_name<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_product<span class=\"token punctuation\">.<\/span>name <span class=\"token operator\">&#061;<\/span> name<br \/>\n        <span class=\"token keyword\">return<\/span> self  <span class=\"token comment\"># \u5173\u952e&#xff1a;\u8fd4\u56deself<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">set_age<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> age<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>_product<span class=\"token punctuation\">.<\/span>age <span class=\"token operator\">&#061;<\/span> age<br \/>\n        <span class=\"token keyword\">return<\/span> self  <span class=\"token comment\"># \u5173\u952e&#xff1a;\u8fd4\u56deself<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>_product<\/p>\n<p><span class=\"token comment\"># \u4f7f\u7528<\/span><br \/>\nproduct <span class=\"token operator\">&#061;<\/span> Builder<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>set_name<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f20\u4e09&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>set_age<span class=\"token punctuation\">(<\/span><span class=\"token number\">25<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>build<span class=\"token punctuation\">(<\/span><span class=\"token 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