{"id":930364,"date":"2024-12-26T17:14:58","date_gmt":"2024-12-26T09:14:58","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/930364.html"},"modified":"2024-12-26T17:15:01","modified_gmt":"2024-12-26T09:15:01","slug":"%e5%a6%82%e4%bd%95%e8%af%bb%e5%8f%96txt-python","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/930364.html","title":{"rendered":"\u5982\u4f55\u8bfb\u53d6txt python"},"content":{"rendered":"

\"\u5982\u4f55\u8bfb\u53d6txt<\/p>\n

\u5728Python\u4e2d\u8bfb\u53d6TXT\u6587\u4ef6\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u7684open()<\/code>\u51fd\u6570\u3001with<\/code>\u8bed\u53e5\u3001read()<\/code>, readline()<\/code>\u548creadlines()<\/code>\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528with<\/code>\u8bed\u53e5\u7ed3\u5408open()<\/code>\u51fd\u6570\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4ec5\u7b80\u5355\u6613\u7528\uff0c\u800c\u4e14\u80fd\u591f\u81ea\u52a8\u7ba1\u7406\u6587\u4ef6\u8d44\u6e90\uff0c\u907f\u514d\u6587\u4ef6\u6cc4\u9732\u3002<\/strong><\/p>\n<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u4f7f\u7528with<\/code>\u8bed\u53e5\u7ed3\u5408open()<\/code>\u51fd\u6570\u8bfb\u53d6TXT\u6587\u4ef6\u7684\u65b9\u5f0f\uff1a<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528with<\/code>\u8bed\u53e5\u8bfb\u53d6\u6587\u4ef6<\/h3>\n<\/p>\n

with<\/code>\u8bed\u53e5\u662fPython\u4e2d\u5904\u7406\u6587\u4ef6\u7684\u63a8\u8350\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u81ea\u52a8\u7ba1\u7406\u8d44\u6e90\u3002\u901a\u8fc7with<\/code>\u8bed\u53e5\u6253\u5f00\u6587\u4ef6\uff0c\u5728\u5176\u4ee3\u7801\u5757\u6267\u884c\u5b8c\u6bd5\u540e\u4f1a\u81ea\u52a8\u5173\u95ed\u6587\u4ef6\uff0c\u65e0\u9700\u663e\u5f0f\u8c03\u7528close()<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

with open('example.txt', 'r', encoding='utf-8') as file:<\/p>\n
    content = file.read()<\/p>\n
    print(content)<\/p>\n
<\/code><\/pre>\n<\/p>\n
    \n
  • \u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0copen()<\/code>\u51fd\u6570\u4ee5\u53ea\u8bfb\u6a21\u5f0f\uff08'r'<\/code>\uff09\u6253\u5f00\u540d\u4e3aexample.txt<\/code>\u7684\u6587\u4ef6\u3002encoding='utf-8'<\/code>\u786e\u4fdd\u6587\u4ef6\u6309UTF-8\u7f16\u7801\u8bfb\u53d6\uff0c\u8fd9\u5728\u5904\u7406\u6587\u672c\u6587\u4ef6\u65f6\u975e\u5e38\u91cd\u8981\u3002<\/li>\n
  • file.read()<\/code>\u65b9\u6cd5\u7528\u4e8e\u8bfb\u53d6\u6587\u4ef6\u7684\u5168\u90e8\u5185\u5bb9\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728content<\/code>\u53d8\u91cf\u4e2d\u3002<\/li>\n
  • \u6700\u540e\uff0cprint(content)<\/code>\u8f93\u51fa\u6587\u4ef6\u7684\u5185\u5bb9\u3002<\/li>\n<\/ul>\n
    \u4e8c\u3001\u4f7f\u7528read()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6<\/h3>\n<\/p>\n
    read()<\/code>\u65b9\u6cd5\u7528\u4e8e\u4e00\u6b21\u6027\u8bfb\u53d6\u6587\u4ef6\u7684\u5168\u90e8\u5185\u5bb9\uff0c\u9002\u5408\u4e8e\u6587\u4ef6\u5185\u5bb9\u8f83\u5c0f\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
    file = open('example.txt', 'r', encoding='utf-8')<\/p>\n
    content = file.read()<\/p>\n
    print(content)<\/p>\n
    file.close()<\/p>\n
    <\/code><\/pre>\n<\/p>\n
      \n
    • \u8be5\u65b9\u6cd5\u5728\u8bfb\u53d6\u5b8c\u6587\u4ef6\u540e\uff0c\u9700\u8981\u663e\u5f0f\u8c03\u7528file.close()<\/code>\u65b9\u6cd5\u5173\u95ed\u6587\u4ef6\uff0c\u4ee5\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n<\/ul>\n
      \u4e09\u3001\u4f7f\u7528readline()<\/code>\u65b9\u6cd5\u9010\u884c\u8bfb\u53d6\u6587\u4ef6<\/h3>\n<\/p>\n
      readline()<\/code>\u65b9\u6cd5\u6bcf\u6b21\u8bfb\u53d6\u6587\u4ef6\u7684\u4e00\u884c\uff0c\u5bf9\u4e8e\u9010\u884c\u5904\u7406\u6587\u4ef6\u5185\u5bb9\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n
      with open('example.txt', 'r', encoding='utf-8') as file:<\/p>\n
          line = file.readline()<\/p>\n
          while line:<\/p>\n
              print(line.strip())<\/p>\n
              line = file.readline()<\/p>\n
      <\/code><\/pre>\n<\/p>\n
        \n
      • readline()<\/code>\u65b9\u6cd5\u6bcf\u6b21\u8bfb\u53d6\u4e00\u884c\u5185\u5bb9\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002<\/li>\n
      • \u4f7f\u7528strip()<\/code>\u65b9\u6cd5\u53bb\u9664\u6bcf\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26\u3002<\/li>\n<\/ul>\n
        \u56db\u3001\u4f7f\u7528readlines()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u6240\u6709\u884c<\/h3>\n<\/p>\n
        readlines()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u7684\u6240\u6709\u884c\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u662f\u6587\u4ef6\u4e2d\u7684\u4e00\u884c\u3002<\/p>\n<\/p>\n
        with open('example.txt', 'r', encoding='utf-8') as file:<\/p>\n
            lines = file.readlines()<\/p>\n
            for line in lines:<\/p>\n
                print(line.strip())<\/p>\n
        <\/code><\/pre>\n<\/p>\n
          \n
        • \u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u5728\u5185\u5b58\u4e2d\u4fdd\u7559\u6240\u6709\u884c\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n
          \u4e94\u3001\u4f7f\u7528\u8fed\u4ee3\u5668\u8bfb\u53d6\u6587\u4ef6<\/h3>\n<\/p>\n
          Python\u6587\u4ef6\u5bf9\u8c61\u662f\u53ef\u8fed\u4ee3\u7684\uff0c\u5141\u8bb8\u6211\u4eec\u76f4\u63a5\u5728for<\/code>\u5faa\u73af\u4e2d\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\uff0c\u800c\u65e0\u9700\u4f7f\u7528readline()<\/code>\u6216readlines()<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
          with open('example.txt', 'r', encoding='utf-8') as file:<\/p>\n
              for line in file:<\/p>\n
                  print(line.strip())<\/p>\n
          <\/code><\/pre>\n<\/p>\n
            \n
          • \u8fd9\u79cd\u65b9\u5f0f\u66f4\u52a0\u7b80\u6d01\uff0c\u4e14\u540c\u6837\u80fd\u591f\u81ea\u52a8\u7ba1\u7406\u6587\u4ef6\u8d44\u6e90\u3002<\/li>\n<\/ul>\n
            \u516d\u3001\u5904\u7406\u6587\u4ef6\u5f02\u5e38<\/h3>\n<\/p>\n
            \u5728\u8bfb\u53d6\u6587\u4ef6\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u6587\u4ef6\u4e0d\u5b58\u5728\u6216\u6743\u9650\u4e0d\u8db3\u7b49\u5f02\u5e38\u60c5\u51b5\u3002\u53ef\u4ee5\u4f7f\u7528try-except<\/code>\u7ed3\u6784\u6765\u5904\u7406\u8fd9\u4e9b\u5f02\u5e38\u3002<\/p>\n<\/p>\n
            try:<\/p>\n
                with open('example.txt', 'r', encoding='utf-8') as file:<\/p>\n
                    content = file.read()<\/p>\n
                    print(content)<\/p>\n
            except FileNotFoundError:<\/p>\n
                print("\u6587\u4ef6\u672a\u627e\u5230\uff0c\u8bf7\u68c0\u67e5\u6587\u4ef6\u8def\u5f84\u3002")<\/p>\n
            except IOError:<\/p>\n
                print("\u6587\u4ef6\u8bfb\u53d6\u5931\u8d25\uff0c\u8bf7\u68c0\u67e5\u6587\u4ef6\u6743\u9650\u3002")<\/p>\n
            <\/code><\/pre>\n<\/p>\n
              \n
            • \u901a\u8fc7\u6355\u83b7FileNotFoundError<\/code>\u548cIOError<\/code>\u5f02\u5e38\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u5904\u7406\u6587\u4ef6\u8bfb\u53d6\u9519\u8bef\u3002<\/li>\n<\/ul>\n
              \u4e03\u3001\u9009\u62e9\u5408\u9002\u7684\u8bfb\u53d6\u65b9\u5f0f<\/h3>\n<\/p>\n
              \u5728\u9009\u62e9\u6587\u4ef6\u8bfb\u53d6\u65b9\u5f0f\u65f6\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\u6765\u51b3\u5b9a\u3002\u5bf9\u4e8e\u5c0f\u578b\u6587\u4ef6\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528read()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u5168\u90e8\u5185\u5bb9\u3002\u5bf9\u4e8e\u5927\u578b\u6587\u4ef6\uff0c\u9010\u884c\u8bfb\u53d6\uff08\u4f7f\u7528readline()<\/code>\u6216\u8fed\u4ee3\u5668\uff09\u66f4\u4e3a\u5408\u9002\uff0c\u4ee5\u8282\u7701\u5185\u5b58\u3002<\/p>\n<\/p>\n
              \u516b\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
              \u5728Python\u4e2d\uff0c\u8bfb\u53d6TXT\u6587\u4ef6\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u4ece\u7b80\u5355\u7684read()<\/code>\u5230\u9010\u884c\u8bfb\u53d6\u7684\u65b9\u6cd5\uff0c\u5404\u5177\u4f18\u7f3a\u70b9\u3002\u5408\u7406\u9009\u62e9\u6587\u4ef6\u8bfb\u53d6\u65b9\u5f0f\uff0c\u7ed3\u5408with<\/code>\u8bed\u53e5\u7684\u4f7f\u7528\uff0c\u80fd\u591f\u9ad8\u6548\u3001\u5b89\u5168\u5730\u5904\u7406\u6587\u672c\u6587\u4ef6\uff0c\u786e\u4fdd\u4ee3\u7801\u7684\u5065\u58ee\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
              \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
               \u5982\u4f55\u5728Python\u4e2d\u6253\u5f00\u548c\u8bfb\u53d6\u4e00\u4e2atxt\u6587\u4ef6\uff1f<\/strong>
              \u5728Python\u4e2d\uff0c\u6253\u5f00\u548c\u8bfb\u53d6txt\u6587\u4ef6\u53ef\u4ee5\u901a\u8fc7\u5185\u7f6e\u7684open()<\/code>\u51fd\u6570\u5b9e\u73b0\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528with<\/code>\u8bed\u53e5\u6765\u786e\u4fdd\u6587\u4ef6\u5728\u8bfb\u53d6\u540e\u6b63\u786e\u5173\u95ed\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a  <\/p>\n
              with open('yourfile.txt', 'r') as file:\n    content = file.read()\n    print(content)\n<\/code><\/pre>\n
              \u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u6587\u4ef6\u8d44\u6e90\uff0c\u5e76\u4e14\u975e\u5e38\u7b80\u6d01\u3002<\/p>\n
              \u4f7f\u7528Python\u8bfb\u53d6txt\u6587\u4ef6\u65f6\uff0c\u6709\u54ea\u4e9b\u5e38\u89c1\u7684\u7f16\u7801\u683c\u5f0f\u9700\u8981\u6ce8\u610f\uff1f<\/strong>
              \u5728\u8bfb\u53d6txt\u6587\u4ef6\u65f6\uff0c\u7f16\u7801\u683c\u5f0f\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u8003\u8651\u56e0\u7d20\u3002\u5e38\u89c1\u7684\u7f16\u7801\u683c\u5f0f\u5305\u62ecUTF-8\u3001UTF-16\u548cISO-8859-1\u7b49\u3002\u5982\u679c\u6587\u4ef6\u7684\u7f16\u7801\u4e0e\u9ed8\u8ba4\u7f16\u7801\u4e0d\u5339\u914d\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8bfb\u53d6\u9519\u8bef\u6216\u4e71\u7801\u3002\u53ef\u4ee5\u5728open()<\/code>\u51fd\u6570\u4e2d\u6307\u5b9aencoding<\/code>\u53c2\u6570\uff0c\u5982\u4e0b\u6240\u793a\uff1a  <\/p>\n
              with open('yourfile.txt', 'r', encoding='utf-8') as file:\n    content = file.read()\n<\/code><\/pre>\n
              \u8fd9\u80fd\u786e\u4fdd\u6587\u4ef6\u6309\u7167\u6b63\u786e\u7684\u7f16\u7801\u683c\u5f0f\u88ab\u8bfb\u53d6\u3002<\/p>\n
              \u5982\u4f55\u9010\u884c\u8bfb\u53d6txt\u6587\u4ef6\u4ee5\u63d0\u9ad8\u5185\u5b58\u6548\u7387\uff1f<\/strong>
              \u5bf9\u4e8e\u8f83\u5927\u7684txt\u6587\u4ef6\uff0c\u9010\u884c\u8bfb\u53d6\u662f\u4e00\u79cd\u66f4\u4e3a\u9ad8\u6548\u7684\u65b9\u6cd5\u3002\u53ef\u4ee5\u4f7f\u7528for<\/code>\u5faa\u73af\u9010\u884c\u8fed\u4ee3\u6587\u4ef6\u5185\u5bb9\uff0c\u907f\u514d\u4e00\u6b21\u6027\u52a0\u8f7d\u6574\u4e2a\u6587\u4ef6\u5230\u5185\u5b58\u4e2d\u3002\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n
              with open('yourfile.txt', 'r') as file:\n    for line in file:\n        print(line.strip())  # strip()\u53bb\u6389\u884c\u672b\u7684\u6362\u884c\u7b26\n<\/code><\/pre>\n
              \u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6709\u6548\u5904\u7406\u5927\u6587\u4ef6\uff0c\u540c\u65f6\u4f7f\u4ee3\u7801\u66f4\u5177\u53ef\u8bfb\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u8bfb\u53d6TXT\u6587\u4ef6\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u7684open()\u51fd\u6570\u3001with\u8bed\u53e5\u3001read(), rea […]","protected":false},"author":3,"featured_media":930365,"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\/930364"}],"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=930364"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/930364\/revisions"}],"predecessor-version":[{"id":930366,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/930364\/revisions\/930366"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/930365"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=930364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=930364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=930364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}