{"id":64786,"date":"2025-05-03T17:40:53","date_gmt":"2025-05-03T09:40:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64786\/"},"modified":"2025-05-03T17:40:53","modified_gmt":"2025-05-03T09:40:53","slug":"python-%e4%b8%ad%e7%9a%84-list-%e8%83%bd%e5%ad%98%e5%82%a8%e6%8e%a5%e5%8f%a3%e7%b1%bb%e5%9e%8b%e5%90%97%ef%bc%9f-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64786\/","title":{"rendered":"Python \u4e2d\u7684 List \u80fd\u5b58\u50a8\u63a5\u53e3\u7c7b\u578b\u5417\uff1f"},"content":{"rendered":"

\"Python<\/p>\n

\u4f7f\u7528 list \u5b58\u50a8\u63a5\u53e3\u7c7b\u578b\u6570\u636e<\/strong><\/p>\n

\u4e2d\u7684 list \u6570\u636e\u7c7b\u578b\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u5b58\u50a8\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u3002\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u5b58\u50a8\u57fa\u672c\u7c7b\u578b\uff0c\u5982\u5b57\u7b26\u4e32\u548c\u6570\u5b57\uff0c\u8fd8\u53ef\u4ee5\u5b58\u50a8\u5bf9\u8c61\uff0c\u5305\u62ec\u63a5\u53e3\u7c7b\u578b\u3002<\/p>\n

list \u7684\u5e95\u5c42\u5b9e\u73b0<\/strong><\/p>\n

\u5728 python \u4e2d\uff0c\u6240\u6709 list \u5bf9\u8c61\u90fd\u662f\u5e95\u5c42\u5b58\u50a8\u7684 python \u5bf9\u8c61\u5217\u8868\u3002\u6bcf\u4e2a\u5bf9\u8c61\u53ef\u4ee5\u5177\u6709\u4e0d\u540c\u7684\u7c7b\u578b\uff0c\u5305\u62ec\u63a5\u53e3\u7c7b\u578b\u3002<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

\u793a\u4f8b\u4ee3\u7801<\/strong><\/p>\n

# \u58f0\u660e\u4e00\u4e2a\u5b58\u50a8 DataProcessor \u63a5\u53e3\u7c7b\u578b\u7684 List\nprocessors = List[DataProcessor]\n\n# \u521b\u5efa DataProcessor \u63a5\u53e3\u7684\u5b9e\u4f8b\nprocessor1 = DataProcessorImpl()\nprocessor2 = DataProcessorImpl2()\n\n# \u5c06\u5904\u7406\u5668\u5b9e\u4f8b\u6dfb\u52a0\u5230 List\nprocessors.append(processor1)\nprocessors.append(processor2)\n\n# \u904d\u5386 List \u4e2d\u7684\u5904\u7406\u5668\nfor processor in processors:\n    processor.process()  # \u8c03\u7528\u5b9e\u73b0\u7684 process \u65b9\u6cd5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0cprocessors list \u5b58\u50a8\u4e24\u4e2a\u5b9e\u73b0 dataprocessor \u63a5\u53e3\u7684\u4e0d\u540c\u7c7b\u7684\u5b9e\u4f8b\u3002\u7531\u4e8e list \u5141\u8bb8\u5b58\u50a8\u4e0d\u540c\u7684\u5bf9\u8c61\u7c7b\u578b\uff0c\u56e0\u6b64\u53ef\u4ee5\u5305\u542b\u63a5\u53e3\u7c7b\u578b\u3002<\/p>\n
\u4f18\u70b9<\/strong><\/p>\n
\u4f7f\u7528 list \u5b58\u50a8\u63a5\u53e3\u7c7b\u578b\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n
    \n
  •  \u53ef\u6269\u5c55\u6027\uff1a<\/strong>\u5b83\u5141\u8bb8\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u6dfb\u52a0\u548c\u5220\u9664\u5b9e\u73b0\u63a5\u53e3\u7684\u4e0d\u540c\u7c7b\u3002<\/li>\n
  •  \u677e\u6563\u8026\u5408\uff1a<\/strong>list \u4ee5\u63a5\u53e3\u7c7b\u578b\u5f15\u7528\u5bf9\u8c61\uff0c\u8fd9\u4fc3\u8fdb\u4e86\u677e\u6563\u8026\u5408\uff0c\u56e0\u4e3a\u53ea\u5173\u5fc3\u63a5\u53e3\u7684\u529f\u80fd\uff0c\u800c\u4e0d\u5173\u5fc3\u5177\u4f53\u5b9e\u73b0\u3002<\/li>\n
  •  \u4ee3\u7801\u91cd\u7528\uff1a<\/strong>\u63a5\u53e3\u7c7b\u578b\u4f5c\u4e3a\u57fa\u7840\u7c7b\u578b\uff0c\u4f7f\u4e0d\u540c\u7684\u7c7b\u53ef\u4ee5\u5b9e\u73b0\u76f8\u540c\u7684\u63a5\u53e3\u5e76\u4e92\u6362\u4f7f\u7528\u3002<\/li>\n<\/ul>\n
    \u7ed3\u8bba<\/strong><\/p>\n
    \u603b\u4e4b\uff0c\u5728 python \u4e2d\uff0clist \u786e\u5b9e\u53ef\u4ee5\u5b58\u50a8\u63a5\u53e3\u7c7b\u578b\u7684\u6570\u636e\u3002\u8fd9\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u8bbe\u8ba1\u53ef\u91cd\u7528\u548c\u677e\u6563\u8026\u5408\u7684\u4ee3\u7801\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662fPython \u4e2d\u7684 List \u80fd\u5b58\u50a8\u63a5\u53e3\u7c7b\u578b\u5417\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4f7f\u7528 list \u5b58\u50a8\u63a5\u53e3\u7c7b\u578b\u6570\u636e \u4e2d\u7684 list \u6570\u636e\u7c7b\u578b\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u5b58\u50a8\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u3002\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u5b58\u50a8\u57fa\u672c\u7c7b\u578b\uff0c\u5982\u5b57\u7b26\u4e32\u548c\u6570\u5b57\uff0c\u8fd8\u53ef\u4ee5\u5b58\u50a8\u5bf9\u8c61\uff0c\u5305\u62ec\u63a5\u53e3\u7c7b\u578b\u3002 list \u7684\u5e95\u5c42\u5b9e\u73b0 \u5728 python \u4e2d\uff0c\u6240\u6709 list \u5bf9\u8c61\u90fd\u662f\u5e95\u5c42\u5b58\u50a8\u7684 python \u5bf9\u8c61\u5217\u8868\u3002\u6bcf\u4e2a\u5bf9\u8c61\u53ef\u4ee5\u5177\u6709\u4e0d\u540c\u7684\u7c7b\u578b\uff0c\u5305\u62ec\u63a5\u53e3\u7c7b\u578b\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u793a\u4f8b\u4ee3\u7801 # \u58f0\u660e\u4e00\u4e2a\u5b58\u50a8 DataProcessor \u63a5\u53e3\u7c7b\u578b\u7684 List processors = List[DataProcessor] # \u521b\u5efa DataProcessor \u63a5\u53e3\u7684\u5b9e\u4f8b processor1 = DataProcessorImpl() processor2 = DataProcessorImpl2() # \u5c06\u5904\u7406\u5668\u5b9e\u4f8b\u6dfb\u52a0\u5230 List processors.append(processor1) processors.append(processor2) # \u904d\u5386 List \u4e2d\u7684\u5904\u7406\u5668 for processor in processors: processor.process() # \u8c03\u7528\u5b9e\u73b0\u7684 process \u65b9\u6cd5 \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0cprocessors […]<\/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-64786","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64786","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=64786"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64786\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}