{"id":50785,"date":"2024-12-03T09:31:27","date_gmt":"2024-12-03T01:31:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/50785\/"},"modified":"2024-12-03T09:31:27","modified_gmt":"2024-12-03T01:31:27","slug":"python%e4%b8%ad%e6%98%af%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89%e5%92%8c%e8%ae%bf%e9%97%ae%e5%8f%98%e9%87%8f%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/50785\/","title":{"rendered":"Python\u4e2d\u662f\u5982\u4f55\u5b9a\u4e49\u548c\u8bbf\u95ee\u53d8\u91cf\u7684\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python\u4e2d\u662f\u5982\u4f55\u5b9a\u4e49\u548c\u8bbf\u95ee\u53d8\u91cf\u7684\uff1f<\/h1>\n<p>\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300aPython\u4e2d\u662f\u5982\u4f55\u5b9a\u4e49\u548c\u8bbf\u95ee\u53d8\u91cf\u7684\uff1f\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u7c73\u4e91\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241127\/17327169496747299510e00.jpg\" class=\"aligncenter\" title=\"Python\u4e2d\u662f\u5982\u4f55\u5b9a\u4e49\u548c\u8bbf\u95ee\u53d8\u91cf\u7684\uff1f\u63d2\u56fe\" alt=\"Python\u4e2d\u662f\u5982\u4f55\u5b9a\u4e49\u548c\u8bbf\u95ee\u53d8\u91cf\u7684\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u53d8\u91cf\u5b9a\u4e49\u65b0\u65b9\u5f0f<\/strong><\/p>\n<p>python\u4e2d\u5b58\u5728\u4e00\u79cd\u5b9a\u4e49\u53d8\u91cf\u7684\u72ec\u7279\u65b9\u5f0f\uff0c\u5373\u901a\u8fc7\u51fd\u6570\u6216\u7c7b\u5c5e\u6027\u7684\u5f62\u5f0f\u3002<\/p>\n<p><strong>\u5229\u7528\u51fd\u6570\u5c5e\u6027\u5b9a\u4e49\u53d8\u91cf<\/strong><\/p>\n<p>\u6b63\u5982\u60a8\u9047\u5230\u7684\u4ee3\u7801\u6240\u793a\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570\u540d\u4f5c\u4e3a\u53d8\u91cf\u540d\u524d\u7f00\uff0c\u540e\u8ddf\u53d8\u91cf\u540d\u79f0\u548c\u8d4b\u503c\u8fd0\u7b97\u7b26\uff08\u4f8b\u5982\uff0cfun.value = 10\uff09\u3002\u8fd9\u79cd\u65b9\u5f0f\u5b9a\u4e49\u7684\u53d8\u91cf\u7c7b\u4f3c\u4e8e\u51fd\u6570\u7ea7\u5168\u5c40\u53d8\u91cf\u3002<\/p>\n<p><strong>\u4f7f\u7528\u52a8\u6001\u5c5e\u6027\u5b9a\u4e49\u53d8\u91cf<\/strong><\/p>\n<p>\u6b64\u5916\uff0cpython\u5141\u8bb8\u60a8\u4f7f\u7528setattr()\u65b9\u6cd5\u52a8\u6001\u5b9a\u4e49\u5c5e\u6027\u3002\u60a8\u53ef\u4ee5\u6307\u5b9a\u5bf9\u8c61\u3001\u5c5e\u6027\u540d\u79f0\u548c\u5c5e\u6027\u503c\u4f5c\u4e3a\u53c2\u6570\u3002\u4f8b\u5982\uff0c\u4ee3\u7801\u4e2d\u5bf9a\u5bf9\u8c61\u7684\u5c5e\u6027y\u7684\u5b9a\u4e49\uff1a<\/p>\n<pre>setattr(a, 'y', 'test-y')<\/pre>\n<p><strong>\u83b7\u53d6\u52a8\u6001\u5c5e\u6027\u503c<\/strong><\/p>\n<p>\u8981\u8bbf\u95ee\u52a8\u6001\u5b9a\u4e49\u7684\u5c5e\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528getattr()\u65b9\u6cd5\uff0c\u540c\u6837\u9700\u8981\u6307\u5b9a\u5bf9\u8c61\u548c\u5c5e\u6027\u540d\u79f0\u4f5c\u4e3a\u53c2\u6570\u3002\u793a\u4f8b\uff1a<\/p>\n<pre>getattr(a, 'y')<\/pre>\n<p>\u8fd9\u79cd\u52a8\u6001\u5c5e\u6027\u5b9a\u4e49\u548c\u83b7\u53d6\u65b9\u5f0f\u63d0\u4f9b\u4e86\u7075\u6d3b\u6027\u548c\u5728\u8fd0\u884c\u65f6\u64cd\u7eb5\u5bf9\u8c61\u6570\u636e\u7684\u80fd\u529b\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aPython\u4e2d\u662f\u5982\u4f55\u5b9a\u4e49\u548c\u8bbf\u95ee\u53d8\u91cf\u7684\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u4e2d\u662f\u5982\u4f55\u5b9a\u4e49\u548c\u8bbf\u95ee\u53d8\u91cf\u7684\uff1f \u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300aPython\u4e2d\u662f\u5982\u4f55\u5b9a\u4e49\u548c\u8bbf\u95ee\u53d8\u91cf\u7684\uff1f\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u7c73\u4e91\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002 \u53d8\u91cf\u5b9a\u4e49\u65b0\u65b9\u5f0f python\u4e2d\u5b58\u5728\u4e00\u79cd\u5b9a\u4e49\u53d8\u91cf\u7684\u72ec\u7279\u65b9\u5f0f\uff0c\u5373\u901a\u8fc7\u51fd\u6570\u6216\u7c7b\u5c5e\u6027\u7684\u5f62\u5f0f\u3002 \u5229\u7528\u51fd\u6570\u5c5e\u6027\u5b9a\u4e49\u53d8\u91cf \u6b63\u5982\u60a8\u9047\u5230\u7684\u4ee3\u7801\u6240\u793a\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570\u540d\u4f5c\u4e3a\u53d8\u91cf\u540d\u524d\u7f00\uff0c\u540e\u8ddf\u53d8\u91cf\u540d\u79f0\u548c\u8d4b\u503c\u8fd0\u7b97\u7b26\uff08\u4f8b\u5982\uff0cfun.value = 10\uff09\u3002\u8fd9\u79cd\u65b9\u5f0f\u5b9a\u4e49\u7684\u53d8\u91cf\u7c7b\u4f3c\u4e8e\u51fd\u6570\u7ea7\u5168\u5c40\u53d8\u91cf\u3002 \u4f7f\u7528\u52a8\u6001\u5c5e\u6027\u5b9a\u4e49\u53d8\u91cf \u6b64\u5916\uff0cpython\u5141\u8bb8\u60a8\u4f7f\u7528setattr()\u65b9\u6cd5\u52a8\u6001\u5b9a\u4e49\u5c5e\u6027\u3002\u60a8\u53ef\u4ee5\u6307\u5b9a\u5bf9\u8c61\u3001\u5c5e\u6027\u540d\u79f0\u548c\u5c5e\u6027\u503c\u4f5c\u4e3a\u53c2\u6570\u3002\u4f8b\u5982\uff0c\u4ee3\u7801\u4e2d\u5bf9a\u5bf9\u8c61\u7684\u5c5e\u6027y\u7684\u5b9a\u4e49\uff1a setattr(a, &#8216;y&#8217;, &#8216;test-y&#8217;) \u83b7\u53d6\u52a8\u6001\u5c5e\u6027\u503c \u8981\u8bbf\u95ee\u52a8\u6001\u5b9a\u4e49\u7684\u5c5e\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528getattr()\u65b9\u6cd5\uff0c\u540c\u6837\u9700\u8981\u6307\u5b9a\u5bf9\u8c61\u548c\u5c5e\u6027\u540d\u79f0\u4f5c\u4e3a\u53c2\u6570\u3002\u793a\u4f8b\uff1a getattr(a, &#8216;y&#8217;) \u8fd9\u79cd\u52a8\u6001\u5c5e\u6027\u5b9a\u4e49\u548c\u83b7\u53d6\u65b9\u5f0f\u63d0\u4f9b\u4e86\u7075\u6d3b\u6027\u548c\u5728\u8fd0\u884c\u65f6\u64cd\u7eb5\u5bf9\u8c61\u6570\u636e\u7684\u80fd\u529b\u3002 \u4eca\u5929\u5173\u4e8e\u300aPython\u4e2d\u662f\u5982\u4f55\u5b9a\u4e49\u548c\u8bbf\u95ee\u53d8\u91cf\u7684\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-50785","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/50785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=50785"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/50785\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=50785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=50785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=50785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}