{"id":997265,"date":"2024-12-27T09:22:35","date_gmt":"2024-12-27T01:22:35","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/997265.html"},"modified":"2024-12-27T09:22:39","modified_gmt":"2024-12-27T01:22:39","slug":"python%e5%a6%82%e4%bd%95%e6%b8%85%e7%a9%batxt%e5%86%85%e5%ae%b9","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/997265.html","title":{"rendered":"python\u5982\u4f55\u6e05\u7a7atxt\u5185\u5bb9"},"content":{"rendered":"

\"python\u5982\u4f55\u6e05\u7a7atxt\u5185\u5bb9\"<\/p>\n

\u8981\u6e05\u7a7a\u4e00\u4e2aTXT\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u4e2d\u7684\u5185\u7f6e\u51fd\u6570\u6765\u5b9e\u73b0\u3002\u4e3b\u8981\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u6587\u4ef6\u5199\u5165\u6a21\u5f0f"w"\u6253\u5f00\u6587\u4ef6\u3001\u4f7f\u7528truncate\u65b9\u6cd5<\/strong>\u3002\u5176\u4e2d\uff0c\u6700\u5e38\u89c1\u4e14\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5199\u5165\u6a21\u5f0f"w"\u6765\u6253\u5f00\u6587\u4ef6\uff0c\u56e0\u4e3a\u8fd9\u79cd\u6a21\u5f0f\u4f1a\u5728\u6253\u5f00\u6587\u4ef6\u65f6\u81ea\u52a8\u6e05\u7a7a\u6587\u4ef6\u5185\u5bb9\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u8be6\u7ec6\u63cf\u8ff0\u4e00\u4e0b\u5982\u4f55\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u5f53\u4f60\u4f7f\u7528Python\u7684\u5185\u7f6e\u51fd\u6570open()<\/code>\u5e76\u6307\u5b9a\u6a21\u5f0f\u4e3a"w"<\/code>\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\u65f6\uff0cPython\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6587\u4ef6\u5bf9\u8c61\uff0c\u5e76\u5c06\u6587\u4ef6\u7684\u5185\u5bb9\u6e05\u7a7a\u3002\u8fd9\u79cd\u65b9\u5f0f\u662f\u6700\u76f4\u63a5\u6709\u6548\u7684\uff0c\u56e0\u4e3a\u5728\u6587\u4ef6\u88ab\u6253\u5f00\u7684\u540c\u65f6\u5185\u5bb9\u5c31\u88ab\u6e05\u7a7a\u4e86\uff0c\u65e0\u9700\u6267\u884c\u4efb\u4f55\u989d\u5916\u7684\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n

with open('yourfile.txt', 'w') as file:<\/p>\n
    pass<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4ee5\u4e0a\u4ee3\u7801\u4e2d\uff0cwith<\/code>\u8bed\u53e5\u7528\u4e8e\u5b89\u5168\u5730\u6253\u5f00\u548c\u5173\u95ed\u6587\u4ef6\u3002\u5f53\u6587\u4ef6\u4ee5\u5199\u5165\u6a21\u5f0f\u6253\u5f00\u65f6\uff0c\u5b83\u4f1a\u81ea\u52a8\u6e05\u7a7a\u5185\u5bb9\u3002\u7531\u4e8e\u6ca1\u6709\u5199\u5165\u4efb\u4f55\u6570\u636e\uff0c\u6587\u4ef6\u88ab\u6e05\u7a7a\u5e76\u4fdd\u5b58\u3002<\/p>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u672c\u6587\u5c06\u8be6\u7ec6\u63a2\u8ba8Python\u4e2d\u6e05\u7a7aTXT\u6587\u4ef6\u5185\u5bb9\u7684\u4e0d\u540c\u65b9\u6cd5\u548c\u76f8\u5173\u6ce8\u610f\u4e8b\u9879\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f7f\u7528"w"\u6a21\u5f0f\u6e05\u7a7a\u6587\u4ef6\u5185\u5bb9<\/p>\n<\/p>\n
\u4f7f\u7528"w"\u6a21\u5f0f\u662f\u6700\u7b80\u5355\u548c\u63a8\u8350\u7684\u65b9\u6cd5\u3002\u56e0\u4e3a\u5728\u6253\u5f00\u6587\u4ef6\u65f6\uff0c\u6587\u4ef6\u5185\u5bb9\u4f1a\u88ab\u7acb\u5373\u6e05\u7a7a\uff0c\u8fd9\u79cd\u65b9\u6cd5\u9ad8\u6548\u3001\u5b89\u5168\u3002<\/p>\n<\/p>\n
    \n
  • \u5b89\u5168\u6027<\/strong>\uff1a\u4f7f\u7528with open()<\/code>\u7ed3\u6784\u53ef\u4ee5\u786e\u4fdd\u5728\u64cd\u4f5c\u5b8c\u6210\u540e\u81ea\u52a8\u5173\u95ed\u6587\u4ef6\uff0c\u5373\u4f7f\u5728\u8fc7\u7a0b\u4e2d\u53d1\u751f\u9519\u8bef\u3002<\/li>\n
  • \u5b9e\u73b0\u6b65\u9aa4<\/strong>\uff1a\n
      \n
    1. \u4f7f\u7528open()<\/code>\u51fd\u6570\u5e76\u5c06\u6a21\u5f0f\u8bbe\u4e3a"w"<\/code>\u3002<\/li>\n
    2. \u4e0d\u8fdb\u884c\u4efb\u4f55\u5199\u5165\u64cd\u4f5c\uff0c\u6587\u4ef6\u5185\u5bb9\u5373\u88ab\u6e05\u7a7a\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n
      with open('example.txt', 'w') as file:<\/p>\n
          pass  # \u4e0d\u8fdb\u884c\u4efb\u4f55\u64cd\u4f5c<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u4e8c\u3001\u4f7f\u7528truncate\u65b9\u6cd5<\/p>\n<\/p>\n
      truncate()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u7528\u4e8e\u5220\u9664\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u4e0e"w"\u6a21\u5f0f\u4e0d\u540c\uff0ctruncate()<\/code>\u53ef\u4ee5\u5728\u6587\u4ef6\u88ab\u6253\u5f00\u540e\u968f\u65f6\u8c03\u7528\u4ee5\u6e05\u7a7a\u5185\u5bb9\u3002<\/p>\n<\/p>\n
        \n
      • \u9002\u7528\u573a\u666f<\/strong>\uff1a\u5f53\u4f60\u9700\u8981\u5728\u4fdd\u7559\u6587\u4ef6\u5bf9\u8c61\u7684\u540c\u65f6\u6e05\u7a7a\u6587\u4ef6\u5185\u5bb9\u65f6\u3002<\/li>\n
      • \u5b9e\u73b0\u6b65\u9aa4<\/strong>\uff1a\n
          \n
        1. \u4f7f\u7528open()<\/code>\u51fd\u6570\u4ee5\u8bfb\u5199\u6a21\u5f0f"r+"<\/code>\u6216\u5199\u5165\u6a21\u5f0f"w+"<\/code>\u6253\u5f00\u6587\u4ef6\u3002<\/li>\n
        2. \u8c03\u7528truncate()<\/code>\u65b9\u6cd5\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n
          with open('example.txt', 'r+') as file:<\/p>\n
              file.truncate(0)  # \u6e05\u7a7a\u6587\u4ef6\u5185\u5bb9<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u4e09\u3001\u4f7f\u7528os\u6a21\u5757\u5220\u9664\u5e76\u91cd\u65b0\u521b\u5efa\u6587\u4ef6<\/p>\n<\/p>\n
          \u901a\u8fc7os<\/code>\u6a21\u5757\uff0c\u4f60\u53ef\u4ee5\u5220\u9664\u6587\u4ef6\u5e76\u91cd\u65b0\u521b\u5efa\u4e00\u4e2a\u7a7a\u6587\u4ef6\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u4f60\u9700\u8981\u5728\u6e05\u7a7a\u5185\u5bb9\u7684\u540c\u65f6\u8fdb\u884c\u6587\u4ef6\u7ba1\u7406\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
            \n
          • \u5b9e\u73b0\u6b65\u9aa4<\/strong>\uff1a\n
              \n
            1. \u5bfc\u5165os<\/code>\u6a21\u5757\u3002<\/li>\n
            2. \u4f7f\u7528os.remove()<\/code>\u5220\u9664\u6587\u4ef6\u3002<\/li>\n
            3. \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7a7a\u6587\u4ef6\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n
              import os<\/p>\n
              os.remove('example.txt')  # \u5220\u9664\u6587\u4ef6<\/p>\n
              open('example.txt', 'w').close()  # \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7a7a\u6587\u4ef6<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u56db\u3001\u4f7f\u7528shutil\u6a21\u5757\u8fdb\u884c\u6587\u4ef6\u64cd\u4f5c<\/p>\n<\/p>\n
              shutil<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u9ad8\u7ea7\u7684\u6587\u4ef6\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7528\u4e8e\u66f4\u590d\u6742\u7684\u6587\u4ef6\u7ba1\u7406\u64cd\u4f5c\uff0c\u5305\u62ec\u6e05\u7a7a\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n<\/p>\n
                \n
              • \u9002\u7528\u573a\u666f<\/strong>\uff1a\u5f53\u4f60\u9700\u8981\u5bf9\u591a\u4e2a\u6587\u4ef6\u8fdb\u884c\u6279\u91cf\u64cd\u4f5c\u65f6\u3002<\/li>\n
              • \u5b9e\u73b0\u6b65\u9aa4<\/strong>\uff1a\n
                  \n
                1. \u5bfc\u5165shutil<\/code>\u6a21\u5757\u3002<\/li>\n
                2. \u4f7f\u7528shutil.copy()<\/code>\u7b49\u65b9\u6cd5\u8fdb\u884c\u6587\u4ef6\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n
                  import shutil<\/p>\n
                  \u5047\u8bbe\u4f60\u6709\u4e00\u4e2a\u7a7a\u767d\u6587\u4ef6\u4f5c\u4e3a\u6a21\u677f<\/strong><\/h2>\n
                  shutil.copy('empty_template.txt', 'example.txt')<\/p>\n
                  <\/code><\/pre>\n<\/p>\n
                  \u4e94\u3001\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n
                    \n
                  1. \u5907\u4efd\u91cd\u8981\u6570\u636e<\/strong>\uff1a\u5728\u6e05\u7a7a\u6587\u4ef6\u5185\u5bb9\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u6587\u4ef6\u4e2d\u6ca1\u6709\u91cd\u8981\u6570\u636e\uff0c\u6216\u8005\u5df2\u7ecf\u505a\u597d\u4e86\u5907\u4efd\u3002<\/li>\n
                  2. \u6587\u4ef6\u6743\u9650<\/strong>\uff1a\u786e\u4fdd\u4f60\u5bf9\u76ee\u6807\u6587\u4ef6\u62e5\u6709\u5199\u5165\u6743\u9650\uff0c\u5426\u5219\u4f1a\u5f15\u53d1\u6743\u9650\u9519\u8bef\u3002<\/li>\n
                  3. \u6587\u4ef6\u8def\u5f84<\/strong>\uff1a\u59cb\u7ec8\u4f7f\u7528\u6b63\u786e\u7684\u6587\u4ef6\u8def\u5f84\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u591a\u4e2a\u6587\u4ef6\u65f6\uff0c\u907f\u514d\u8bef\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n
                    \u603b\u7ed3\u6765\u8bf4\uff0c\u6e05\u7a7aTXT\u6587\u4ef6\u5185\u5bb9\u5728Python\u4e2d\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff0c\u6700\u5e38\u89c1\u7684\u662f\u4f7f\u7528\u6587\u4ef6\u6253\u5f00\u6a21\u5f0f"w"\uff0c\u8fd9\u4e5f\u662f\u6700\u7b80\u6d01\u6709\u6548\u7684\u65b9\u6cd5\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\uff0c\u4f60\u4e5f\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528truncate()<\/code>\u65b9\u6cd5\u3001os<\/code>\u6a21\u5757\u6216shutil<\/code>\u6a21\u5757\u8fdb\u884c\u64cd\u4f5c\u3002\u5728\u8fdb\u884c\u6587\u4ef6\u64cd\u4f5c\u65f6\uff0c\u59cb\u7ec8\u4fdd\u6301\u8c28\u614e\uff0c\u786e\u4fdd\u91cd\u8981\u6570\u636e\u7684\u5b89\u5168\u3002<\/p>\n<\/p>\n
                    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                     \u5982\u4f55\u5728Python\u4e2d\u6e05\u7a7a\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\u7684\u5185\u5bb9\uff1f<\/strong>
                    \u8981\u6e05\u7a7a\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u7684\u5185\u7f6eopen<\/code>\u51fd\u6570\u4ee5\u5199\u5165\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\u3002\u5199\u5165\u6a21\u5f0f\u4f1a\u81ea\u52a8\u6e05\u7a7a\u6587\u4ef6\u5185\u5bb9\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
                    with open('\u6587\u4ef6\u540d.txt', 'w') as file:\n    pass  # \u4e0d\u9700\u8981\u5199\u5165\u4efb\u4f55\u5185\u5bb9\n<\/code><\/pre>\n
                    \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6587\u4ef6\u7684\u5185\u5bb9\u4f1a\u88ab\u6e05\u7a7a\uff0c\u4f46\u6587\u4ef6\u672c\u8eab\u4ecd\u7136\u5b58\u5728\u3002<\/p>\n
                    \u6e05\u7a7a\u6587\u4ef6\u5185\u5bb9\u540e\u8fd8\u53ef\u4ee5\u6dfb\u52a0\u65b0\u5185\u5bb9\u5417\uff1f<\/strong>
                    \u6e05\u7a7a\u6587\u4ef6\u540e\uff0c\u60a8\u53ef\u4ee5\u7ee7\u7eed\u4f7f\u7528\u5199\u5165\u6a21\u5f0f\u5411\u6587\u4ef6\u4e2d\u6dfb\u52a0\u65b0\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a  <\/p>\n
                    with open('\u6587\u4ef6\u540d.txt', 'w') as file:\n    file.write('\u65b0\u5185\u5bb9')\n<\/code><\/pre>\n
                    \u8fd9\u6837\uff0c\u6587\u4ef6\u9996\u5148\u88ab\u6e05\u7a7a\uff0c\u7136\u540e\u6dfb\u52a0\u4e86\u201c\u65b0\u5185\u5bb9\u201d\u3002<\/p>\n
                    \u4f7f\u7528Python\u6e05\u7a7a\u6587\u4ef6\u5185\u5bb9\u65f6\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u5417\uff1f<\/strong>
                    \u662f\u7684\uff0c\u6e05\u7a7a\u6587\u4ef6\u5185\u5bb9\u4f1a\u5bfc\u81f4\u539f\u6709\u6570\u636e\u6c38\u4e45\u4e22\u5931\u3002\u56e0\u6b64\uff0c\u5728\u6e05\u7a7a\u6587\u4ef6\u4e4b\u524d\uff0c\u5efa\u8bae\u5907\u4efd\u539f\u59cb\u6570\u636e\u3002\u5982\u679c\u6587\u4ef6\u4e2d\u5305\u542b\u91cd\u8981\u4fe1\u606f\uff0c\u52a1\u5fc5\u5c0f\u5fc3\u64cd\u4f5c\uff0c\u4ee5\u514d\u8bef\u5220\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u6e05\u7a7a\u4e00\u4e2aTXT\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u4e2d\u7684\u5185\u7f6e\u51fd\u6570\u6765\u5b9e\u73b0\u3002\u4e3b\u8981\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u6587\u4ef6\u5199\u5165\u6a21\u5f0f"w […]","protected":false},"author":3,"featured_media":997276,"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\/997265"}],"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=997265"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/997265\/revisions"}],"predecessor-version":[{"id":997280,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/997265\/revisions\/997280"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/997276"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=997265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=997265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=997265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}