{"id":935200,"date":"2024-12-26T18:48:35","date_gmt":"2024-12-26T10:48:35","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/935200.html"},"modified":"2024-12-26T18:48:37","modified_gmt":"2024-12-26T10:48:37","slug":"python%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8bpkl","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/935200.html","title":{"rendered":"python\u5982\u4f55\u67e5\u770bpkl"},"content":{"rendered":"

\"python\u5982\u4f55\u67e5\u770bpkl\"<\/p>\n

Python\u67e5\u770bpkl\u6587\u4ef6\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528pickle\u6a21\u5757\u52a0\u8f7d\u6587\u4ef6\u3001\u4f7f\u7528pandas\u8bfb\u53d6\u6570\u636e\u3001\u4ee5\u53ca\u901a\u8fc7joblib\u6a21\u5757\u8fdb\u884c\u8bfb\u53d6\u3002<\/strong>\u5176\u4e2d\uff0c\u4f7f\u7528pickle\u6a21\u5757\u662f\u6700\u5e38\u89c1\u7684\u65b9\u5f0f\u3002pickle\u662fPython\u7684\u4e00\u4e2a\u6807\u51c6\u5e93\uff0c\u7528\u4e8e\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316Python\u5bf9\u8c61\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u60c5\u51b5\uff0cpickle\u6a21\u5757\u8db3\u591f\u6ee1\u8db3\u9700\u6c42\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u51e0\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528PICKLE\u6a21\u5757\u8bfb\u53d6PKL\u6587\u4ef6<\/p>\n<\/p>\n

\u4f7f\u7528pickle\u6a21\u5757\u662f\u67e5\u770bpkl\u6587\u4ef6\u7684\u57fa\u672c\u65b9\u6cd5\u3002pkl\u6587\u4ef6\u901a\u5e38\u662f\u901a\u8fc7pickle\u6a21\u5757\u5c06Python\u5bf9\u8c61\u5e8f\u5217\u5316\u540e\u4fdd\u5b58\u7684\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u76f8\u540c\u7684\u6a21\u5757\u8fdb\u884c\u53cd\u5e8f\u5217\u5316\uff08\u5373\u52a0\u8f7d\uff09\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528pickle\u6a21\u5757\u8bfb\u53d6pkl\u6587\u4ef6\u7684\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n

    \n
  1. \n

    \u52a0\u8f7dPKL\u6587\u4ef6<\/strong><\/p>\n<\/p>\n

    \u9996\u5148\u9700\u8981\u5bfc\u5165pickle\u6a21\u5757\uff0c\u7136\u540e\u4f7f\u7528open<\/code>\u51fd\u6570\u4ee5\u4e8c\u8fdb\u5236\u8bfb\u53d6\u6a21\u5f0f\u6253\u5f00pkl\u6587\u4ef6\uff0c\u63a5\u7740\u4f7f\u7528pickle.load<\/code>\u51fd\u6570\u52a0\u8f7d\u6570\u636e\u3002\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<\/p>\n

    import pickle<\/p>\n
    with open('file.pkl', 'rb') as file:<\/p>\n
        data = pickle.load(file)<\/p>\n
        print(data)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cfile.pkl<\/code>\u662f\u8981\u8bfb\u53d6\u7684pkl\u6587\u4ef6\uff0cdata<\/code>\u662f\u4ece\u6587\u4ef6\u4e2d\u52a0\u8f7d\u7684Python\u5bf9\u8c61\u3002<\/p>\n<\/p>\n<\/li>\n
  2. \n
    \u5904\u7406\u6570\u636e<\/strong><\/p>\n<\/p>\n
    \u8bfb\u53d6\u6570\u636e\u540e\uff0c\u6839\u636e\u6570\u636e\u7684\u7c7b\u578b\uff08\u4f8b\u5982\u5b57\u5178\u3001\u5217\u8868\u3001\u7c7b\u5b9e\u4f8b\u7b49\uff09\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u8fdb\u884c\u5904\u7406\u6216\u5206\u6790\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e8c\u3001\u4f7f\u7528PANDAS\u8bfb\u53d6PKL\u6587\u4ef6<\/p>\n<\/p>\n
    Pandas\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u6570\u636e\u5206\u6790\u5e93\uff0c\u652f\u6301\u76f4\u63a5\u8bfb\u53d6\u548c\u5904\u7406pkl\u6587\u4ef6\uff0c\u7279\u522b\u9002\u5408\u5904\u7406\u6570\u636e\u6846\u683c\u5f0f\u7684pkl\u6587\u4ef6\u3002<\/p>\n<\/p>\n
      \n
    1. \n
      \u52a0\u8f7dPKL\u6587\u4ef6<\/strong><\/p>\n<\/p>\n
      \u4f7f\u7528Pandas\u8bfb\u53d6pkl\u6587\u4ef6\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u4f7f\u7528pandas.read_pickle<\/code>\u51fd\u6570\u5373\u53ef\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
      import pandas as pd<\/p>\n
      df = pd.read_pickle('file.pkl')<\/p>\n
      print(df.head())<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cfile.pkl<\/code>\u662f\u5305\u542b\u6570\u636e\u6846\u7684pkl\u6587\u4ef6\uff0cdf<\/code>\u662f\u8bfb\u53d6\u540e\u7684\u6570\u636e\u6846\u5bf9\u8c61\u3002<\/p>\n<\/p>\n<\/li>\n
    2. \n
      \u6570\u636e\u5206\u6790<\/strong><\/p>\n<\/p>\n
      \u8bfb\u53d6\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528Pandas\u63d0\u4f9b\u7684\u5404\u79cd\u529f\u80fd\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u6790\u548c\u5904\u7406\uff0c\u4f8b\u5982\u6570\u636e\u6e05\u6d17\u3001\u7edf\u8ba1\u5206\u6790\u3001\u53ef\u89c6\u5316\u7b49\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
      \u4e09\u3001\u4f7f\u7528JOBLIB\u6a21\u5757\u8bfb\u53d6PKL\u6587\u4ef6<\/p>\n<\/p>\n
      Joblib\u662f\u4e00\u4e2a\u4e13\u95e8\u7528\u4e8e\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u548c\u6a21\u578b\u7684\u5e93\uff0c\u901a\u5e38\u7528\u4e8e\u673a\u5668\u5b66\u4e60<\/a>\u6a21\u578b\u7684\u5b58\u50a8\u548c\u52a0\u8f7d\u3002\u5b83\u5728\u5904\u7406\u8f83\u5927\u6587\u4ef6\u65f6\u6548\u7387\u66f4\u9ad8\u3002<\/p>\n<\/p>\n
        \n
      1. \n
        \u52a0\u8f7dPKL\u6587\u4ef6<\/strong><\/p>\n<\/p>\n
        \u4f7f\u7528joblib\u6a21\u5757\u8bfb\u53d6pkl\u6587\u4ef6\u9700\u8981\u5148\u5b89\u88c5joblib\u5e93\uff0c\u53ef\u4ee5\u901a\u8fc7pip install joblib<\/code>\u8fdb\u884c\u5b89\u88c5\u3002\u7136\u540e\u4f7f\u7528joblib.load<\/code>\u51fd\u6570\u52a0\u8f7d\u6587\u4ef6\u3002\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<\/p>\n
        import joblib<\/p>\n
        data = joblib.load('file.pkl')<\/p>\n
        print(data)<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cfile.pkl<\/code>\u662f\u8981\u8bfb\u53d6\u7684pkl\u6587\u4ef6\uff0cdata<\/code>\u662f\u4ece\u6587\u4ef6\u4e2d\u52a0\u8f7d\u7684\u5bf9\u8c61\u3002<\/p>\n<\/p>\n<\/li>\n
      2. \n
        \u5e94\u7528\u573a\u666f<\/strong><\/p>\n<\/p>\n
        joblib\u901a\u5e38\u7528\u4e8e\u5b58\u50a8\u548c\u52a0\u8f7d\u673a\u5668\u5b66\u4e60\u6a21\u578b\uff0c\u4f8b\u5982\u901a\u8fc7scikit-learn\u8bad\u7ec3\u7684\u6a21\u578b\u3002\u56e0\u6b64\uff0c\u5982\u679cpkl\u6587\u4ef6\u5305\u542b\u673a\u5668\u5b66\u4e60\u6a21\u578b\uff0c\u4f7f\u7528joblib\u4f1a\u66f4\u52a0\u9002\u5408\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
        \u56db\u3001\u6bd4\u8f83\u4e0e\u9009\u62e9<\/p>\n<\/p>\n
          \n
        1. \n
          \u6548\u7387<\/strong><\/p>\n<\/p>\n
          \u5728\u9009\u62e9\u4f7f\u7528\u54ea\u4e2a\u6a21\u5757\u8bfb\u53d6pkl\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u6587\u4ef6\u5927\u5c0f\u548c\u5185\u5bb9\u6765\u51b3\u5b9a\u3002\u5bf9\u4e8e\u5c0f\u578b\u6587\u4ef6\u6216\u7b80\u5355\u5bf9\u8c61\uff0c\u4f7f\u7528pickle\u6a21\u5757\u5373\u53ef\uff1b\u5bf9\u4e8e\u5305\u542b\u6570\u636e\u6846\u7684\u6587\u4ef6\uff0cpandas\u662f\u6700\u5408\u9002\u7684\u9009\u62e9\uff1b\u800c\u5bf9\u4e8e\u5927\u578b\u6587\u4ef6\u6216\u673a\u5668\u5b66\u4e60\u6a21\u578b\uff0cjoblib\u7531\u4e8e\u5176\u9ad8\u6548\u7684\u5b58\u50a8\u548c\u52a0\u8f7d\u65b9\u5f0f\uff0c\u53ef\u80fd\u662f\u6700\u4f73\u9009\u62e9\u3002<\/p>\n<\/p>\n<\/li>\n
        2. \n
          \u517c\u5bb9\u6027<\/strong><\/p>\n<\/p>\n
          \u6ce8\u610f\u4e0d\u540c\u6a21\u5757\u751f\u6210\u7684pkl\u6587\u4ef6\u53ef\u80fd\u5b58\u5728\u517c\u5bb9\u6027\u95ee\u9898\u3002\u4f8b\u5982\uff0cpandas\u751f\u6210\u7684\u6570\u636e\u6846pkl\u6587\u4ef6\u53ef\u80fd\u65e0\u6cd5\u901a\u8fc7pickle\u6a21\u5757\u76f4\u63a5\u8bfb\u53d6\u3002\u56e0\u6b64\uff0c\u5728\u5b58\u50a8\u548c\u52a0\u8f7d\u6587\u4ef6\u65f6\uff0c\u5e94\u5c3d\u91cf\u4f7f\u7528\u76f8\u540c\u7684\u6a21\u5757\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
          \u4e94\u3001\u5904\u7406\u5f02\u5e38\u60c5\u51b5<\/p>\n<\/p>\n
            \n
          1. \n
            \u6587\u4ef6\u635f\u574f<\/strong><\/p>\n<\/p>\n
            \u5982\u679cpkl\u6587\u4ef6\u5728\u8bfb\u53d6\u65f6\u51fa\u73b0\u5f02\u5e38\uff0c\u53ef\u80fd\u662f\u6587\u4ef6\u5df2\u635f\u574f\u6216\u683c\u5f0f\u4e0d\u6b63\u786e\u3002\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528\u4e0d\u540c\u7684\u6a21\u5757\u8bfb\u53d6\uff0c\u6216\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b8c\u6574\u3002<\/p>\n<\/p>\n<\/li>\n
          2. \n
            \u7248\u672c\u517c\u5bb9\u6027<\/strong><\/p>\n<\/p>\n
            pickle\u6a21\u5757\u7684\u4e0d\u540c\u7248\u672c\u4e4b\u95f4\u53ef\u80fd\u5b58\u5728\u517c\u5bb9\u6027\u95ee\u9898\u3002\u5728\u4f7f\u7528pickle\u6a21\u5757\u5b58\u50a8\u548c\u52a0\u8f7d\u6587\u4ef6\u65f6\uff0c\u5c3d\u91cf\u5728\u76f8\u540c\u7684Python\u7248\u672c\u6216\u73af\u5883\u4e2d\u8fdb\u884c\u64cd\u4f5c\uff0c\u4ee5\u907f\u514d\u7248\u672c\u4e0d\u517c\u5bb9\u95ee\u9898\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
            \u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u67e5\u770b\u548c\u5904\u7406pkl\u6587\u4ef6\u3002\u5728\u9009\u62e9\u5177\u4f53\u65b9\u6cd5\u65f6\uff0c\u5e94\u6839\u636e\u6587\u4ef6\u5185\u5bb9\u548c\u5e94\u7528\u573a\u666f\u505a\u51fa\u5408\u7406\u9009\u62e9\uff0c\u4ee5\u63d0\u9ad8\u6548\u7387\u548c\u517c\u5bb9\u6027\u3002\u65e0\u8bba\u662f\u6570\u636e\u5206\u6790\u8fd8\u662f\u673a\u5668\u5b66\u4e60\u6a21\u578b\u52a0\u8f7d\uff0cPython\u90fd\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u548c\u5e93\u6765\u5904\u7406\u5404\u79cd\u9700\u6c42\u3002<\/p>\n<\/p>\n
            \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
             \u5982\u4f55\u6253\u5f00\u548c\u67e5\u770b.pkl\u6587\u4ef6\u7684\u5185\u5bb9\uff1f<\/strong>
            \u8981\u67e5\u770b.pkl\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Python\u7684pickle\u6a21\u5757\u3002\u9996\u5148\uff0c\u786e\u4fdd\u5b89\u88c5\u4e86\u76f8\u5173\u7684\u5e93\u3002\u7136\u540e\uff0c\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u52a0\u8f7d\u5e76\u67e5\u770b\u6570\u636e\uff1a<\/p>\n
            import pickle\n\nwith open('your_file.pkl', 'rb') as file:\n    data = pickle.load(file)\n    print(data)\n<\/code><\/pre>\n
            \u8fd9\u6837\u5c31\u53ef\u4ee5\u5c06.pkl\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u52a0\u8f7d\u5230Python\u4e2d\u5e76\u6253\u5370\u51fa\u6765\u3002<\/p>\n
            .pkl\u6587\u4ef6\u4e2d\u5b58\u50a8\u7684\u6570\u636e\u683c\u5f0f\u662f\u4ec0\u4e48\uff1f<\/strong>
            .pkl\u6587\u4ef6\u901a\u5e38\u7528\u4e8e\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316Python\u5bf9\u8c61\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u5b57\u5178\u3001\u5217\u8868\u3001\u5143\u7ec4\u3001\u7c7b\u5b9e\u4f8b\u7b49\u3002\u5177\u4f53\u683c\u5f0f\u53d6\u51b3\u4e8e\u60a8\u5728\u4fdd\u5b58\u65f6\u4f7f\u7528\u7684\u5bf9\u8c61\u7c7b\u578b\uff0c\u56e0\u6b64\u67e5\u770b\u5185\u5bb9\u65f6\u8981\u6ce8\u610f\u6570\u636e\u7684\u7ed3\u6784\u3002<\/p>\n
            \u5982\u4f55\u5904\u7406.pkl\u6587\u4ef6\u4e2d\u7684\u6570\u636e\uff1f<\/strong>
            \u4e00\u65e6\u60a8\u6210\u529f\u52a0\u8f7d.pkl\u6587\u4ef6\u4e2d\u7684\u6570\u636e\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u5904\u7406\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6570\u636e\u662f\u4e00\u4e2a\u5b57\u5178\uff0c\u53ef\u4ee5\u901a\u8fc7\u952e\u8bbf\u95ee\u7279\u5b9a\u7684\u503c\uff0c\u6216\u8005\u5982\u679c\u662f\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u63d0\u53d6\u5176\u4e2d\u7684\u5143\u7d20\u3002\u786e\u4fdd\u6839\u636e\u6570\u636e\u7c7b\u578b\u4f7f\u7528\u9002\u5f53\u7684\u65b9\u6cd5\u6765\u64cd\u4f5c\u8fd9\u4e9b\u6570\u636e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u67e5\u770bpkl\u6587\u4ef6\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528pickle\u6a21\u5757\u52a0\u8f7d\u6587\u4ef6\u3001\u4f7f\u7528pandas\u8bfb\u53d6\u6570\u636e\u3001\u4ee5\u53ca\u901a\u8fc7jobli […]","protected":false},"author":3,"featured_media":935204,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/935200"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=935200"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/935200\/revisions"}],"predecessor-version":[{"id":935206,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/935200\/revisions\/935206"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/935204"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=935200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=935200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=935200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}