{"id":2266,"date":"2020-09-20T18:25:51","date_gmt":"2020-09-20T10:25:51","guid":{"rendered":"http:\/\/blog.ywdevops.cn\/?p=2266"},"modified":"2025-08-01T15:51:01","modified_gmt":"2025-08-01T07:51:01","slug":"python-7","status":"publish","type":"post","link":"https:\/\/blog.ywdevops.cn\/index.php\/2020\/09\/20\/python-7\/","title":{"rendered":"python\u6587\u4ef6\u4ee5\u53ca\u76ee\u5f55\u64cd\u4f5c"},"content":{"rendered":"\n

\u4e00\u3001\u57fa\u672c\u6587\u4ef6\u64cd\u4f5c\uff1a<\/strong><\/p>\n\n\n\n

1\u3001\u521b\u5efa\u548c\u6253\u5f00\u6587\u4ef6\uff1a<\/strong><\/p>\n\n\n\n

\u5728Python\u4e2d\uff0c\u60f3\u8981\u64cd\u4f5c\u6587\u4ef6\u9700\u8981\u5148\u521b\u5efa\u6216\u8005\u6253\u5f00\u6307\u5b9a\u7684\u6587\u4ef6\u5e76\u521b\u5efa\u6587\u4ef6\u5bf9\u8c61\uff0c\u53ef\u4ee5\u901a\u8fc7\u5185\u7f6e\u7684open()\u51fd\u6570\u5b9e\u73b0\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n

file=open(filename,mode,buffering)<\/strong><\/p>\n\n\n\n

\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n

    \n
  1. file\uff1a\u88ab\u521b\u5efa\u7684\u6587\u4ef6\u5bf9\u8c61<\/li>\n\n\n\n
  2. filename:\u8981\u521b\u5efa\u6216\u6253\u5f00\u7684\u6587\u4ef6\u540d\u5b57\uff0c\u9700\u8981\u7528\u5355\u5f15\u53f7\u6216\u8005\u53cc\u5f15\u53f7\u62ec\u8d77\u6765\uff0c\u5982\u679c\u5728\u540c\u4e00\u7ea7\u76ee\u5f55\u4e0b\u53ef\u76f4\u63a5\u5199\u6587\u4ef6\u540d\uff0c\u5426\u5219\u9700\u8981\u5199\u660e\u6587\u4ef6\u8be6\u7ec6\u8def\u5f84\u3002<\/li>\n\n\n\n
  3. mode\uff1a\u53ef\u9009\u53c2\u6570\uff0c\u7528\u4e8e\u6307\u5b9a\u6587\u4ef6\u7684\u6253\u5f00\u6a21\u5f0f\u3002<\/li>\n\n\n\n
  4. buffering\uff1a\u53ef\u9009\u53c2\u6570\uff0c\u7528\u4e8e\u6307\u5b9a\u8bfb\u5199\u6587\u4ef6\u7684\u7f13\u51b2\u6a21\u5f0f\uff0c\u503c\u4e3a0\u8868\u793a\u4e0d\u7f13\u5b58\uff0c\u4e3a1\u8868\u793a\u7f13\u5b58\uff0c\u5927\u4e8e1\u8868\u793a\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u9ed8\u8ba4\u4e3a\u7f13\u5b58\u6a21\u5f0f\u3002<\/li>\n<\/ol>\n\n\n\n

    mode\u53c2\u6570\u503c\u8bf4\u660e\u5982\u4e0b\uff1a<\/strong><\/p>\n\n\n\n

    \u503c<\/td>\u8bf4\u660e<\/td><\/tr>
    r<\/td>\u4ee5\u53ea\u8bfb\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6<\/td><\/tr>
    rb<\/td>\u4ee5\u4e8c\u8fdb\u5236\u683c\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u91c7\u7528\u53ea\u8bfb\u6a21\u5f0f\uff0c\u9002\u7528\u975e\u6587\u672c\u6587\u4ef6\uff0c\u5982\u56fe\u7247\u3001\u58f0\u97f3<\/td><\/tr>
    r+<\/td>\u53ef\u4ee5\u8bfb\u53d6\u5185\u5bb9\uff0c\u4e5f\u53ef\u4ee5\u5199\u5165\u65b0\u5185\u5bb9\u8986\u76d6\u539f\u5185\u5bb9<\/td><\/tr>
    rb+<\/td>\u4ee5\u4e8c\u8fdb\u5236\u6253\u5f00\uff0c\u91c7\u7528\u8bfb\u5199\u6a21\u5f0f\uff0c\u9002\u7528\u975e\u6587\u672c\u6587\u4ef6\uff0c\u5982\u56fe\u7247\u3001\u58f0\u97f3<\/td><\/tr>
    w<\/td>\u4ee5\u53ea\u5199\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6<\/td><\/tr>
    wb<\/td>\u4ee5\u4e8c\u8fdb\u5236\u6253\u5f00\uff0c\u91c7\u7528\u53ea\u5199\u6a21\u5f0f\uff0c\u9002\u7528\u975e\u6587\u672c\u6587\u4ef6\uff0c\u5982\u56fe\u7247\u3001\u58f0\u97f3<\/td><\/tr>
    w+<\/td>\u6253\u5f00\u6587\u4ef6\uff0c\u6e05\u7a7a\u539f\u5185\u5bb9\uff0c\u5bf9\u7a7a\u6587\u4ef6\u6709\u8bfb\u5199\u6743\u9650<\/td><\/tr>
    wb+<\/td>\u4ee5\u4e8c\u8fdb\u5236\u6253\u5f00\uff0c\u91c7\u7528\u8bfb\u5199\u6a21\u5f0f\uff0c\u9002\u7528\u975e\u6587\u672c\u6587\u4ef6\uff0c\u5982\u56fe\u7247\u3001\u58f0\u97f3<\/td><\/tr>
    a<\/td>\u4ee5\u8ffd\u52a0\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u65b0\u5185\u5bb9\u8ffd\u52a0\u5230\u539f\u5185\u5bb9\u540e\uff0c\u6ca1\u6709\u6587\u4ef6\u5c06\u521b\u5efa\u65b0\u6587\u4ef6\u7528\u4e8e\u5199\u5165<\/td><\/tr>
    ab<\/td>\u4ee5\u4e8c\u8fdb\u5236\u683c\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u4e14\u91c7\u7528\u8ffd\u52a0\u6a21\u5f0f\uff0c\u6ca1\u6709\u6587\u4ef6\u5c06\u521b\u5efa\u65b0\u6587\u4ef6\u7528\u4e8e\u5199\u5165<\/td><\/tr>
    a+<\/td>\u4ee5\u8bfb\u5199\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u91c7\u7528\u8ffd\u52a0\u6a21\u5f0f\uff0c\u6ca1\u6709\u6587\u4ef6\u5c06\u521b\u5efa\u65b0\u6587\u4ef6\u7528\u4e8e\u8bfb\u5199<\/td><\/tr>
    ab+<\/td>\u4ee5\u4e8c\u8fdb\u5236\u6253\u5f00\u6587\u4ef6\uff0c\u91c7\u7528\u8ffd\u52a0\u6a21\u5f0f\uff0c\u6ca1\u6709\u6587\u4ef6\u5c06\u521b\u5efa\u65b0\u6587\u4ef6\u7528\u4e8e\u8bfb\u5199<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    \u4e0a\u9762\u7684r\u3001rb\u3001r+\u3001rb+\u56db\u4e2a\u53c2\u6570\u5fc5\u987b\u4fdd\u8bc1\u6587\u4ef6\u5b58\u5728\uff0c\u5176\u4f59\u7684\u8868\u793a\u6587\u4ef6\u5b58\u5728\u5219\u5c06\u5176\u8986\u76d6\uff0c\u6ca1\u6709\u5219\u65b0\u5efa\u6587\u4ef6\u3002<\/p>\n\n\n\n

    \u4f8b\u5982\uff1a\u6253\u5f00\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u6587\u4ef6\u65f6\u5c06\u51fa\u73b0\u5982\u4e0b\u9519\u8bef\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u8981\u89e3\u51b3\u4ee5\u4e0a\u9519\u8bef\uff0c\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

    \u4e00\u662f\u5728\u5bf9\u5e94\u8def\u52b2\u4e0b\u521b\u5efa\u6587\u4ef6test.txt<\/p>\n\n\n\n

    \u4e8c\u662f\u5728\u8c03\u7528open()\u51fd\u6570\u7684\u65f6\u5019\uff0c\u6307\u5b9amode\u53c2\u6570\u503c\u4e3aa\u3001a+\u3001w\u3001w+ \uff0c\u5f53\u6253\u5f00\u7684\u6587\u4ef6\u4e0d\u5b58\u5728\u65f6\u4f1a\u81ea\u52a8\u521b\u5efa\u65b0\u6587\u4ef6\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u6ce8\uff1a\u5982\u679copen()\u4e2d\u6ca1\u6709\u6307\u5b9a\u6253\u5f00\u6a21\u5f0f\uff0c\u9ed8\u8ba4\u4e3a\u53ea\u8bfb\u6a21\u5f0f\uff0c\u6307\u5b9aencoding=utf-8\u53ef\u4ee5\u9632\u6b62\u4e71\u7801\uff0c\u5bf9\u4e8e\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u4f7f\u7528'rb'<\/code>\u6216'wb'<\/code>\u6a21\u5f0f\uff0c\u6b64\u65f6\u4e0d\u9700\u8981\u6307\u5b9a\u7f16\u7801<\/p>\n\n\n\n

    2\u3001\u4ee5\u4e8c\u8fdb\u5236\u7684\u5f62\u5f0f\u6253\u5f00\u6587\u4ef6\uff1a<\/strong><\/p>\n\n\n\n

    \u901a\u8fc7open()\u51fd\u6570\u4e0d\u4ec5\u53ef\u4ee5\u6253\u5f00\u6587\u672c\uff0c\u8fd8\u53ef\u4ee5\u4ee5\u4e8c\u8fdb\u5236\u5f62\u5f0f\u6253\u5f00\u975e\u6587\u672c\u6587\u4ef6\uff0c\u6bd4\u5982\u89c6\u9891\u3001\u56fe\u7247\u3001\u97f3\u4e50\u7b49\u3002<\/p>\n\n\n\n

    \u4f8b\u5982\uff1a\u6253\u5f00\u5df2\u7ecf\u5b58\u5728\u7684\u56fe\u7247\u6587\u4ef615.png\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u6253\u5370\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    \u4ece\u4e0a\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u6253\u5370\u7ed3\u679c\u521b\u5efa\u7684\u662f\u4e00\u4e2aBufferedReader\u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u751f\u6210\u540e\u53ef\u4ee5\u5728\u4f7f\u7528\u5176\u4ed6\u7b2c\u4e09\u65b9\u6a21\u5757\u8fdb\u884c\u5904\u7406\u5373\u53ef\u3002<\/p>\n\n\n\n

    3\u3001\u6253\u5f00\u6587\u4ef6\u65f6\u6307\u5b9a\u6587\u4ef6\u7f16\u7801\uff1a<\/strong><\/p>\n\n\n\n

    \u5728\u4f7f\u7528open()\u51fd\u6570\u6253\u5f00\u6587\u4ef6\u65f6\uff0c\u9ed8\u8ba4\u662fGBK\u7f16\u7801\uff0c\u5f53\u6253\u5f00\u7684\u6587\u4ef6\u4e0d\u662fGBK\u7f16\u7801\u7684\u65f6\u5019\u5c06\u629b\u51faUnicodeDecodeError\u5f02\u5e38\uff0c\u89e3\u51b3\u65b9\u6cd5\u7b2c\u4e00\u79cd\u662f\u76f4\u63a5\u4fee\u6539\u6587\u4ef6\u7f16\u7801\uff0c\u7b2c\u4e8c\u79cd\u662f\u6253\u5f00\u6587\u4ef6\u7684\u65f6\u5019\u6307\u5b9a\u5176\u4ed6\u7f16\u7801(\u63a8\u8350\u7b2c\u4e8c\u79cd\u65b9\u5f0f)\u3002<\/p>\n\n\n\n

    \u5728\u8c03\u7528open()\u51fd\u6570\u7684\u65f6\u5019\uff0c\u901a\u8fc7\u6dfb\u52a0encoding=”utf-8″ \u5373\u53ef\u5c06\u7f16\u7801\u6307\u5b9a\u4e3autf-8\u7684\u5f62\u5f0f\uff0c\u5982\u679c\u8981\u6307\u5b9a\u4e3a\u5176\u4ed6\u5f62\u5f0f\uff0c\u5c06\u53cc\u5f15\u53f7\u4e2d\u7684\u5185\u5bb9\u66ff\u6362\u5373\u53ef\u3002<\/p>\n\n\n\n

    \u4f8b\u5982\uff1a\u6253\u5f00\u91c7\u7528utf-8\u7f16\u7801\u4fdd\u5b58\u7684test.txt\u6587\u4ef6\uff0c\u4f7f\u7528\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n

    file=open(“test.txt”,”r”,encoding=”utf-8″)<\/p>\n\n\n\n

    4\u3001\u5173\u95ed\u6587\u4ef6\uff1a<\/strong><\/p>\n\n\n\n

    \u6253\u5f00\u6587\u4ef6\u540e\uff0c\u9700\u8981\u53ca\u65f6\u5173\u95ed\uff0c\u4ee5\u514d\u5bf9\u6587\u4ef6\u9020\u6210\u7834\u574f\uff0c\u5173\u95ed\u6587\u4ef6\u53ef\u4ee5\u4f7f\u7528\u6587\u4ef6\u5bf9\u8c61\u7684close()\u65b9\u6cd5\u5b9e\u73b0\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n

    file.close()<\/p>\n\n\n\n

    \u8bf4\u660e\uff1aclose()\u5148\u5237\u65b0\u7f13\u51b2\u533a\u4e2d\u8fd8\u6ca1\u6709\u5199\u5165\u7684\u4fe1\u606f\uff0c\u7136\u540e\u518d\u5173\u95ed\u6587\u4ef6\uff0c\u53ef\u4ee5\u5c06\u5185\u5bb9\u53ca\u65f6\u5199\u5165\u5230\u6587\u4ef6\u4e2d\uff0c\u6587\u4ef6\u5173\u95ed\u540e\u65e0\u6cd5\u7ee7\u7eed\u5199\u5165\u3002<\/p>\n\n\n\n

    5\u3001\u6253\u5f00\u6587\u4ef6\u4f7f\u7528with\u8bed\u53e5\uff1a<\/strong><\/p>\n\n\n\n

    \u5982\u679c\u6253\u5f00\u6587\u4ef6\u65f6\u51fa\u73b0\u4e86\u5f02\u5e38\u5c06\u5bfc\u81f4\u6587\u4ef6\u65e0\u6cd5\u6b63\u5e38\u5173\u95ed\uff0c\u4e3a\u4e86\u907f\u514d\u6b64\u7c7b\u60c5\u51b5\uff0c\u53ef\u4ee5\u4f7f\u7528with\u8bed\u53e5\uff0c\u8fd9\u6837\u65e0\u8bba\u662f\u5426\u51fa\u73b0\u5f02\u5e38\uff0c\u90fd\u53ef\u4ee5\u4fdd\u8bc1with\u8bed\u53e5\u6267\u884c\u5b8c\u6210\u540e\u90fd\u53ef\u4ee5\u53ca\u65f6\u5173\u95ed\u6253\u5f00\u7684\u6587\u4ef6<\/strong>\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n

    with expression as target:\n   with-body<\/code><\/pre>\n\n\n\n
    \u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n
      \n
    1. expression:\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u662f\u6253\u5f00\u6587\u4ef6\u7684open()\u51fd\u6570<\/li>\n\n\n\n
    2. target\uff1a\u7528\u4e8e\u6307\u5b9a\u4e00\u4e2a\u53d8\u91cf\uff0c\u5c06expression\u7ed3\u679c\u4fdd\u5b58\u5230\u53d8\u91cf\u4e2d<\/li>\n\n\n\n
    3. with-body\uff1a\u7528\u4e8e\u6307\u5b9awith\u8bed\u53e5\u4f53\uff0c\u53ef\u4ee5\u662f\u6267\u884cwith\u8bed\u53e5\u540e\u7684\u4e00\u4e9b\u64cd\u4f5c\u8bed\u53e5\uff0c\u5982\u679c\u4e0d\u60f3\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528pass\u8bed\u53e5\u4ee3\u66ff<\/li>\n<\/ol>\n\n\n\n
      \u4f8b\u5982\uff1a\u521b\u5efatest.py\u6587\u4ef6\uff0c\u5728\u5185\u90e8\u6253\u5f00\u6587\u4ef6test.txt\u4f7f\u7528with\u8bed\u53e5\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
      \"\"<\/figure>\n\n\n\n
      \u6ce8\u610f\uff1a\u4f7f\u7528with\u8bed\u53e5\u540e\uff0c\u5c31\u4e0d\u7528\u5199close()\u4e86\uff0c\u56e0\u4e3awith\u6267\u884c\u540e\u4f1a\u9ed8\u8ba4\u5173\u95ed\u6587\u4ef6\uff0c\u53ef\u9632\u6b62\u5fd8\u8bb0\u5173\u95ed\u6587\u4ef6\u7684\u60c5\u51b5<\/p>\n\n\n\n
      6\u3001\u5199\u5165\u6587\u4ef6\u5185\u5bb9\uff1a<\/strong><\/p>\n\n\n\n
      Python\u6587\u4ef6\u5bf9\u8c61\u63d0\u4f9b\u4e86write()\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5411\u6587\u4ef6\u4e2d\u5199\u5165\u5185\u5bb9\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n
      file.write(string)<\/strong>   #write()\u4e2d\u53ea\u80fd\u5199\u5165\u5b57\u7b26\u4e32\uff0c\u5982\u679c\u8981\u5199\u5165\u6574\u6570\u9700\u8981\u5148\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/code><\/pre>\n\n\n\n
      \u5176\u4e2dfile\u4e3a\u6253\u5f00\u7684\u6587\u4ef6\u5bf9\u8c61\uff0cstring\u8868\u793a\u8981\u5199\u5165\u7684\u5b57\u7b26\u4e32<\/p>\n\n\n\n
      \u8bf4\u660e\uff1a\u5728\u8c03\u7528write()\u65b9\u6cd5\u5411\u6587\u4ef6\u4e2d\u5199\u5165\u5185\u5bb9\u65f6\uff0c\u6253\u5f00\u6587\u4ef6\u7684\u6a21\u5f0f\u5fc5\u987b\u4e3aw(\u53ef\u5199)\u6216\u8005a(\u8ffd\u52a0)\uff0c\u5426\u5219\u5c06\u629b\u51fa\u5f02\u5e38\u3002<\/p>\n\n\n\n
      \u4f8b\u5982\uff1a\u521b\u5efa\u6a21\u5757test.py\uff0c\u6253\u5f00\u6587\u4ef6test.txt\u5e76\u901a\u8fc7\u8ffd\u52a0\u5f62\u5f0f\u5199\u5165\u5185\u5bb9\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
      \"\"<\/figure>\n\n\n\n
      \u6ce8\u610f\uff1a\u5728\u5199\u5165\u6587\u4ef6\u540e\uff0c\u4e00\u5b9a\u8981\u8c03\u7528close()\u65b9\u6cd5\u5173\u95ed\u6587\u4ef6\uff0c\u5426\u5219\u5185\u5bb9\u65e0\u6cd5\u4fdd\u5b58\u5230\u78c1\u76d8\u4e2d\uff0c\u5982\u679c\u4e0d\u60f3\u9a6c\u4e0a\u5173\u95ed\u6587\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u8c03\u7528\u6587\u4ef6\u5bf9\u8c61\u7684flush()\u65b9\u6cd5\uff0c\u628a\u7f13\u51b2\u533a\u7684\u5185\u5bb9\u5199\u5165\u6587\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u4fdd\u8bc1\u6570\u636e\u5168\u90e8\u5199\u5165\u78c1\u76d8\u3002<\/p>\n\n\n\n
      \u5411\u6587\u4ef6\u5199\u5165\u5185\u5bb9\u65f6\uff0c\u5982\u679c\u6253\u5f00\u6587\u4ef6\u7684\u6a21\u5f0f\u662fw(\u5199\u5165)\u6a21\u5f0f\uff0c\u5219\u4f1a\u6e05\u7a7a\u539f\u5185\u5bb9\u5728\u5199\u5165\u65b0\u5185\u5bb9\uff0c\u5982\u679c\u6253\u5f00\u6587\u4ef6\u7684\u6a21\u5f0f\u662fa(\u8ffd\u52a0)\u6a21\u5f0f\uff0c\u5219\u662f\u5728\u539f\u6709\u6587\u4ef6\u57fa\u7840\u4e0a\u5728\u540e\u9762\u8ffd\u52a0\u65b0\u5185\u5bb9\u3002<\/p>\n\n\n\n
      \u5728Python\u6587\u4ef6\u5bf9\u8c61\u4e2d\u9664\u4e86\u63d0\u4f9bwrite()\u65b9\u6cd5\uff0c\u8fd8\u6709writelines()\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u5217\u8868\u5199\u5165\u5230\u6587\u4ef6\uff0c\u4f46\u662f\u4e0d\u6dfb\u52a0\u6362\u884c\u7b26\u3002<\/p>\n\n\n\n
      \u4e5f\u53ef\u4ee5\u901a\u8fc7print()\u65b9\u6cd5\u8fdb\u884c\u5199\u5165\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
      \"\"<\/figure>\n\n\n\n
      \u8bf4\u660e\uff1a\u6253\u5f00\u6587\u4ef6\u5e76\u4fdd\u5b58\u5230fp\u5bf9\u8c61\u4e2d\uff0c\u5c06print\u5185\u5bb9\u5199\u5165\u5230\u6587\u4ef6\u4e2d\uff0c\u5173\u95edfp\u5bf9\u8c61\uff0c\u8bfb\u53d6\u8def\u5f84\u524d\u52a0r\u6216\u8005R\uff0c\u90a3\u4e48\u5c31\u4e0d\u9700\u8981\u5bf9\u8def\u5f84\u5206\u9694\u7b26\u8fdb\u884c\u8f6c\u4e49<\/p>\n\n\n\n
      7\u3001\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff1a<\/strong><\/p>\n\n\n\n
      \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u4e3b\u8981\u5206\u4e3a\u4ee5\u4e0b\u51e0\u79cd\u60c5\u51b5\uff1a<\/p>\n\n\n\n
      \u7b2c\u4e00\u79cd\uff1a\u8bfb\u53d6\u6307\u5b9a\u5b57\u7b26\uff1a<\/p>\n\n\n\n
      \u6587\u4ef6\u5bf9\u8c61\u7684read()\u65b9\u6cd5\u53ef\u4ee5\u8bfb\u53d6\u6307\u5b9a\u4e2a\u6570\u7684\u5b57\u7b26\uff0c\u8fd4\u56de\u7684\u662f\u5b57\u7b26\u4e32<\/mark>\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n
      file.read(size)    #\u8fd4\u56de\u7ed3\u679c\u4e3a\u5b57\u7b26\u4e32<\/code><\/pre>\n\n\n\n
      \u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n
        \n
      1. file\uff1a\u8981\u6253\u5f00\u7684\u6587\u4ef6\u5bf9\u8c61<\/li>\n\n\n\n
      2. size:\u53ef\u9009\u53c2\u6570\uff0c\u8868\u793a\u8981\u8bfb\u53d6\u7684\u5b57\u7b26\u4e2a\u6570\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u5219\u8bfb\u53d6\u5168\u90e8\u5185\u5bb9<\/li>\n<\/ol>\n\n\n\n
        \u6ce8\u610f\uff1a\u5728\u8c03\u7528read()\u65b9\u6cd5\u8bfb\u53d6\u5b57\u7b26\u7684\u524d\u63d0\u662f\u6253\u5f00\u6587\u4ef6\u65f6\uff0c\u6307\u5b9a\u7684\u6253\u5f00\u6a21\u5f0f\u4e3ar(\u53ea\u8bfb)\u6216\u8005r+(\u8bfb\u5199)\u6a21\u5f0f\uff0c\u5426\u5219\u5c06\u629b\u51fa\u5f02\u5e38\u3002<\/p>\n\n\n\n
        \u4f8b\u5982\uff1a\u901a\u8fc7with\u8bed\u53e5\u6253\u5f00\u6587\u4ef6\uff0c\u4ee5\u53ea\u8bfb\u65b9\u5f0f\u6253\u5f00\uff0c\u8bfb\u53d6\u524d10\u4e2a\u5b57\u7b26\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
        \"\"<\/figure>\n\n\n\n
        \u4f7f\u7528read(size)\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u65f6\uff0c\u9ed8\u8ba4\u662f\u4ece\u5f00\u5934\u8bfb\u53d6\u7684\uff0c\u5982\u679c\u8981\u8bfb\u53d6\u90e8\u5206\u5185\u5bb9\uff0c\u53ef\u4ee5\u5148\u4f7f\u7528seek()\u65b9\u6cd5\u5c06\u6307\u9488\u79fb\u52a8\u5230\u65b0\u7684\u4f4d\u7f6e\uff0c\u7136\u540e\u518d\u4f7f\u7528read(size)\u65b9\u6cd5\u8bfb\u53d6\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n
        file.seek(offset\uff0cwhence)<\/code><\/pre>\n\n\n\n
        \u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n
          \n
        1. file\uff1a\u8868\u793a\u6253\u5f00\u7684\u6587\u4ef6\u5bf9\u8c61<\/li>\n\n\n\n
        2. offset\uff1a\u6307\u5b9a\u7684\u79fb\u52a8\u5b57\u7b26\u4e2a\u6570\uff0c\u5177\u4f53\u4f4d\u7f6e\u4e0ewhence\u53c2\u6570\u6709\u5173<\/li>\n\n\n\n
        3. whence:\u6307\u5b9a\u4ece\u4ec0\u4e48\u4f4d\u7f6e\u5f00\u59cb\u8ba1\u7b97\uff0c\u503c\u4e3a0\u8868\u793a\u4ece\u6587\u4ef6\u5934\u5f00\u59cb\u8ba1\u7b97\uff0c\u503c\u4e3a1\u8868\u793a\u4ece\u5f53\u524d\u4f4d\u7f6e\u5f00\u59cb\u8ba1\u7b97\uff0c\u503c\u4e3a2\u8868\u793a\u4ece\u6587\u4ef6\u7ed3\u5c3e\u5f00\u59cb\u8ba1\u7b97\uff0c\u9ed8\u8ba4\u4e3a0<\/li>\n<\/ol>\n\n\n\n
          \u4f8b\u5982\uff1a\u5b9a\u4e49\u6a21\u5757test.py\uff0c\u6253\u5f00\u6587\u4ef6\uff0c\u5c06\u6587\u4ef6\u6307\u9488\u79fb\u52a812\u4e2a\u4f4d\u7f6e\uff0c\u8bfb\u53d6\u524d10\u4e2a\u5b57\u7b26\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u6ce8\u610f:\u5728\u4f7f\u7528seek()\u65b9\u6cd5\u7684\u65f6\u5019\uff0c\u5982\u679c\u4f7f\u7528GBK\u7f16\u7801\uff0c\u90a3\u4e48offset\u6309\u7167\u4e00\u4e2a\u6c49\u5b57(\u5305\u62ec\u4e2d\u6587\u6807\u70b9)\u5360\u4e24\u4e2a\u5b57\u7b26\u8ba1\u7b97\uff0c\u5982\u679c\u91c7\u7528UTF-8\u7f16\u7801\uff0c\u90a3\u4e48\u4e00\u4e2a\u6c49\u5b57\u5360\u75283\u4e2a\u5b57\u7b26\uff0c\u65e0\u8bba\u91c7\u7528\u4f55\u79cd\u7f16\u7801\uff0c\u82f1\u6587\u548c\u6570\u5b57\u90fd\u662f\u6309\u7167\u4e00\u4e2a\u5b57\u7b26\u8ba1\u7b97\u3002<\/p>\n\n\n\n
          \u5bf9\u4e8ewhence\u53c2\u6570\uff0c\u5982\u679c\u5728\u6253\u5f00\u6587\u4ef6\u65f6\uff0c\u6ca1\u6709\u4f7f\u7528b\u6a21\u5f0f(\u5373rb)\uff0c\u90a3\u4e48\u53ea\u5141\u8bb8\u4ece\u6587\u4ef6\u5934\u5f00\u59cb\u8ba1\u7b97\u76f8\u5bf9\u4f4d\u7f6e\uff0c\u4ece\u6587\u4ef6\u5c3e\u8ba1\u7b97\u65f6\u4f1a\u5f15\u53d1\u9519\u8bef<\/p>\n\n\n\n
          \u7b2c\u4e8c\u79cd\uff1a\u8bfb\u53d6\u4e00\u884c\uff1a<\/p>\n\n\n\n
          (1)\u3001\u5728\u4f7f\u7528read()\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u7684\u65f6\u5019\uff0c\u5982\u679c\u4e00\u6b21\u6027\u8bfb\u53d6\u6240\u6709\u5185\u5bb9\u5230\u5185\u5b58\uff0c\u5bb9\u6613\u9020\u6210\u5185\u5b58\u4e0d\u8db3\uff0c\u901a\u5e38\u91c7\u7528\u9010\u884c\u8bfb\u53d6\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u6587\u4ef6\u5bf9\u8c61\u7684readline()\u65b9\u6cd5\uff0c\u6bcf\u6b21\u8bfb\u53d6\u4e00\u884c\u6570\u636e\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n
          file.readline()    #\u8fd4\u56de\u7ed3\u679c\u4e3a\u5b57\u7b26\u4e32<\/code><\/pre>\n\n\n\n
          \u5176\u4e2d\uff0cfile\u8868\u793a\u6253\u5f00\u7684\u6587\u4ef6\u5bf9\u8c61\uff0c\u6253\u5f00\u6587\u4ef6\u7684\u65f6\u5019\uff0c\u4e5f\u8981\u6307\u5b9a\u6253\u5f00\u6a21\u5f0fr(\u53ea\u8bfb)\u6216\u8005r+(\u8bfb\u5199\u6a21\u5f0f)<\/p>\n\n\n\n
          \u4f8b\u5982\uff1a\u5b9a\u4e49test.py\u6a21\u5757\uff0c\u901a\u8fc7readline\u8bfb\u53d6\u6587\u4ef6\u4e00\u884c\uff0c\u901a\u8fc7while\u5faa\u73af\u8bfb\u53d6\u6bcf\u4e00\u884c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          (2)\u3001\u901a\u8fc7for\u5faa\u73af\u6765\u8bfb\u53d6\u6bcf\u4e00\u884c\u5185\u5bb9\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u6ce8\uff1a\u5982\u679c\u4e0d\u52a0rstrip()\uff0c\u6253\u5370\u7684\u7ed3\u679c\u4e2d\u6709\u7a7a\u884c\uff0c\u56e0\u4e3a\u6bcf\u884c\u7684\u672b\u5c3e\u90fd\u6709\u4e00\u4e2a\u770b\u4e0d\u89c1\u7684\u6362\u884c\u7b26<\/p>\n\n\n\n
          \u7b2c\u4e09\u79cd\uff1a\u8bfb\u53d6\u5168\u90e8\u884c\uff1a<\/p>\n\n\n\n
          \u901a\u8fc7\u6587\u4ef6\u5bf9\u8c61\u7684readlines()\u65b9\u6cd5\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n
          file.readlines()  #\u8fd4\u56de\u7ed3\u679c\u4e3a\u5b57\u7b26\u4e32\u5217\u8868<\/code><\/pre>\n\n\n\n
          \u5176\u4e2d\uff0cfile\u8868\u793a\u6253\u5f00\u7684\u6587\u4ef6\u5bf9\u8c61\uff0c\u6253\u5f00\u6587\u4ef6\u65f6\u4e5f\u9700\u8981\u6307\u5b9a\u6253\u5f00\u6a21\u5f0fr(\u53ea\u8bfb)\u6216\u8005r+(\u8bfb\u5199)<\/p>\n\n\n\n
          \u4f8b\u5982\uff1a\u5b9a\u4e49\u6a21\u5757test.py\uff0c\u901a\u8fc7readlines()\u65b9\u6cd5\u8bfb\u53d6\u5168\u90e8\u884c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u6253\u5370\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u4ece\u6253\u5370\u7ed3\u679c\u53ef\u4ee5\u770b\u5230\uff0c\u7ed3\u679c\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\uff0c\u901a\u8fc7for\u5faa\u73af\u53ef\u4ee5\u6253\u5370\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          8\u3001\u76ee\u5f55\u64cd\u4f5c\uff1a<\/strong><\/p>\n\n\n\n
          \u5728Python\u4e2d\uff0c\u5185\u7f6e\u4e86os\u6a21\u5757\u53ca\u5176\u5b50\u6a21\u5757os.path\u7528\u4e8e\u5bf9\u6587\u4ef6\u6216\u8005\u76ee\u5f55\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f7f\u7528\u4e4b\u524d\u9700\u8981\u901a\u8fc7import\u8bed\u53e5\u5bfc\u5165<\/p>\n\n\n\n
          \u6ce8\u610f\uff1a\u5bfc\u5165os\u6a21\u5757\u540e\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5b50\u6a21\u5757os.path<\/p>\n\n\n\n
          \u4f8b\u5982\uff1a\u5bfc\u5165os\u6a21\u5757\uff0c\u4f7f\u7528\u6b64\u6a21\u5757\u7684name\u53d8\u91cf\u67e5\u770b\u7cfb\u7edf\u7c7b\u578b\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u5982\u679c\u7ed3\u679c\u662fposix\u8868\u793a\u662fLinux\u3001Unix\u3001\u6216\u8005MacOS\u7cfb\u7edf\uff0c\u5982\u679c\u662fnt\u8868\u793awindows\u7cfb\u7edf<\/p>\n\n\n\n
          os\u6a21\u5757\u63d0\u4f9b\u7684\u4e0e\u76ee\u5f55\u76f8\u5173\u7684\u51fd\u6570\u5982\u4e0b\uff1a<\/p>\n\n\n\n
          \u51fd\u6570<\/td>\u8bf4\u660e<\/td><\/tr>
          getcwd()<\/td>\u8fd4\u56de\u5f53\u524d\u7684\u5de5\u4f5c\u76ee\u5f55<\/td><\/tr>
          listdir(path)<\/td>\u8fd4\u56de\u6307\u5b9a\u8def\u5f84\u4e0b\u7684\u6587\u4ef6\u548c\u76ee\u5f55\u4fe1\u606f<\/td><\/tr>
          mkdir(paht,mode)<\/td>\u521b\u5efa\u76ee\u5f55<\/td><\/tr>
          makedirs(\/path1\/path2)<\/td>\u521b\u5efa\u591a\u7ea7\u76ee\u5f55<\/td><\/tr>
          rmdir(path)<\/td>\u5220\u9664\u76ee\u5f55<\/td><\/tr>
          removedirs(path1\/path2)<\/td>\u5220\u9664\u591a\u7ea7\u76ee\u5f55<\/td><\/tr>
          chdir(path)<\/td>\u8bbe\u7f6epath\u4e3a\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55<\/td><\/tr>
          walk<\/td>\u904d\u5386\u76ee\u5f55\u6811\uff0c\u8fd4\u56de\u4e00\u4e2a\u6570\u7ec4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
           os.path\u6a21\u5757\u63d0\u4f9b\u7684\u4e0e\u76ee\u5f55\u76f8\u5173\u7684\u51fd\u6570\u5982\u4e0b\uff1a <\/p>\n\n\n\n
          \u51fd\u6570<\/td>\u8bf4\u660e<\/td><\/tr>
          abspath(path)<\/td>\u83b7\u53d6\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u7edd\u5bf9\u8def\u5f84<\/td><\/tr>
          exists(path)<\/td>\u5224\u65ad\u8def\u5f84\u6216\u6587\u4ef6\u662f\u5426\u5b58\u5728\uff0c\u5b58\u5728\u8fd4\u56detrue\uff0c\u5426\u5219\u8fd4\u56defalse<\/td><\/tr>
          join(path,name)<\/td>\u5c06\u76ee\u5f55\u4e0e\u76ee\u5f55\u6216\u8005\u6587\u4ef6\u540d\u62fc\u63a5\u8d77\u6765<\/td><\/tr>
          splitext()<\/td>\u5206\u79bb\u6587\u4ef6\u540d\u548c\u6269\u5c55\u540d<\/td><\/tr>
          basename(path)<\/td>\u4ece\u4e00\u4e2a\u76ee\u5f55\u4e2d\u63d0\u53d6\u6587\u4ef6\u540d<\/td><\/tr>
          dirname(path)<\/td>\u4ece\u4e00\u4e2a\u8def\u5f84\u4e2d\u63d0\u53d6\u6587\u4ef6\u8def\u5f84\uff0c\u4e0d\u5305\u62ec\u6587\u4ef6\u540d<\/td><\/tr>
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          \u4f8b\u5982\uff1a\u901a\u8fc7os\u6a21\u5757\u7684getcwd()\u51fd\u6570\uff0c\u83b7\u53d6\u5f53\u524d\u8def\u52b2\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u5728Python\u4e2d\uff0c\u6307\u5b9a\u6587\u4ef6\u8def\u5f84\u7684\u65f6\u5019\uff0c\u9700\u8981\u5bf9\u8def\u5f84\u5206\u9694\u7b26\u8fdb\u884c\u8f6c\u4e49\uff0c\u901a\u8fc7”\\”\uff0c\u5426\u5219\u5c06\u62a5oserror<\/p>\n\n\n\n
          \u4f8b\u5982\uff0c\u901a\u8fc7open()\u65b9\u6cd5\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff0c\u9700\u8981\u901a\u8fc7\u8f6c\u4e49\u7b26\u8fdb\u884c\u8f6c\u4e49\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u5982\u679c\u5728\u6253\u5f00\u8def\u5f84\u524d\u9762\u52a0\u4e0a\u5b57\u6bcdr\u6216\u8005R\uff0c\u90a3\u4e48\u5c31\u4e0d\u9700\u8981\u518d\u8fdb\u884c\u8f6c\u4e49\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u901a\u8fc7os.path\u6a21\u5757\u7684exists()\u51fd\u6570\u5224\u65ad\u6587\u4ef6\u6216\u76ee\u5f55\u662f\u5426\u5b58\u5728\uff0c\u5b58\u5728\u8fd4\u56deTrue\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u901a\u8fc7os\u6a21\u5757\u7684mkdir()\u51fd\u6570\u521b\u5efa\u76ee\u5f55\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u901a\u8fc7rmdir()\u51fd\u6570\u5220\u9664\u76ee\u5f55\u7684\u65f6\u5019\uff0c\u53ea\u80fd\u5220\u9664\u7a7a\u7684\u76ee\u5f55\uff0c\u5982\u679c\u8981\u5220\u9664\u975e\u7a7a\u76ee\u5f55\uff0c\u9700\u8981\u4f7f\u7528\u5185\u7f6e\u6a21\u5757shutil\u7684rmtree()\u51fd\u6570\u5b9e\u73b0\uff0c\u9700\u8981\u5148\u5bfc\u5165shutil\u6a21\u5757\u3002<\/p>\n\n\n\n
          \u904d\u5386\u76ee\u5f55\u53ef\u901a\u8fc7os\u6a21\u5757\u7684walk()\u65b9\u6cd5\u5b9e\u73b0\uff0c\u8fd4\u56de\u4e00\u4e2a\u5305\u62ec\u4e09\u4e2a\u5143\u7d20\u7684\u5143\u7956\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u6253\u5370\u540e\u7684\u7ed3\u679c\u5982\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u6ce8\u610f\uff1awalk()\u51fd\u6570\u53ea\u80fd\u5728linux\u7cfb\u7edf\u548cwindows\u7cfb\u7edf\u4e2d\u4f7f\u7528<\/p>\n\n\n\n
          9\u3001\u9ad8\u7ea7\u6587\u4ef6\u64cd\u4f5c\uff1a<\/strong><\/p>\n\n\n\n
          os \u6a21\u5757\u63d0\u4f9b\u4e86\u4e0e\u6587\u4ef6\u76f8\u5173\u7684\u51fd\u6570\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
          \u51fd\u6570<\/td>\u8bf4\u660e<\/td><\/tr>
          access(path,accesmode)<\/td>\u83b7\u53d6\u5bf9\u6587\u4ef6\u662f\u5426\u6709\u6307\u5b9a\u7684\u8bbf\u95ee\u6743\u9650\uff0caccessmode\u7684\u503c\u662fR_OK(\u8bfb\u53d6)\u3001W_OK(\u5199\u5165)\u3001X_OK(\u6267\u884c)\u3001F_OK(\u5b58\u5728)\uff0c\u5982\u679c\u6709\u6307\u5b9a\u6743\u9650\uff0c\u8fd4\u56de1\uff0c\u5426\u5219\u8fd4\u56de0<\/td><\/tr>
          chmod(path,mode)<\/td>\u4fee\u6539path\u6307\u5b9a\u6587\u4ef6\u7684\u8bbf\u95ee\u6743\u9650<\/td><\/tr>
          remove(path)<\/td>\u5220\u9664path\u6307\u5b9a\u7684\u6587\u4ef6\u8def\u5f84<\/td><\/tr>
          rename(src,dst)<\/td>\u5c06\u6587\u4ef6\u6216\u76ee\u5f55src\u91cd\u547d\u540d\u4e3adst<\/td><\/tr>
          stat(path)<\/td>\u8fd4\u56depath\u6307\u5b9a\u6587\u4ef6\u7684\u4fe1\u606f<\/td><\/tr>
          startfile(path,operation)<\/td>\u4f7f\u7528\u5173\u8054\u5e94\u7528\u7a0b\u5e8f\u6253\u5f00path\u6307\u5b9a\u7684\u6587\u4ef6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
          9.1 \u5220\u9664\u6587\u4ef6\uff1a<\/strong><\/p>\n\n\n\n
          \u4f8b\u5982\uff1a\u901a\u8fc7os\u6a21\u5757\u7684remove()\u65b9\u6cd5\u5220\u9664\u6307\u5b9a\u6587\u4ef6\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\u7684\u65f6\u5019\u5220\u9664\u4f1a\u62a5\u9519\uff0c\u56e0\u6b64\u53ef\u4ee5\u5148\u901a\u8fc7os.path\u6a21\u5757\u5224\u65ad\u6587\u4ef6\u662f\u5426\u5b58\u5728\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          9.2 \u91cd\u547d\u540d\u6587\u4ef6\u548c\u76ee\u5f55\uff1a<\/strong><\/p>\n\n\n\n
          os\u6a21\u5757\u7684rename()\u51fd\u6570\u7528\u4e8e\u91cd\u547d\u540d\u4e3a\u6587\u4ef6\u548c\u76ee\u5f55\uff0c\u5982\u679c\u6307\u5b9a\u7684\u8def\u5f84\u4e3a\u6587\u4ef6\uff0c\u5219\u91cd\u547d\u540d\u6587\u4ef6\uff0c\u5982\u679c\u6307\u5b9a\u7684\u8def\u5f84\u4e3a\u76ee\u5f55\uff0c\u5219\u91cd\u547d\u540d\u76ee\u5f55\u3002<\/p>\n\n\n\n
          \u4f8b\u5982\uff1a\u5b9a\u4e49\u6a21\u5757rename.py\uff0c\u5224\u65ad\u6587\u4ef6hello\u662f\u5426\u5b58\u5728\uff0c\u5982\u679c\u5b58\u5728\u91cd\u547d\u540d\u4e3aworld\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          \u6ce8\u610f\uff1a\u5728\u4f7f\u7528rename()\u51fd\u6570\u91cd\u547d\u540d\u7684\u65f6\u5019\uff0c\u53ea\u80fd\u4fee\u6539\u6700\u540e\u4e00\u7ea7\u7684\u76ee\u5f55\uff0c\u5426\u5219\u4f1a\u62a5\u9519\u3002<\/p>\n\n\n\n
          9.3 \u83b7\u53d6\u6587\u4ef6\u7684\u57fa\u672c\u4fe1\u606f\uff1a<\/strong><\/p>\n\n\n\n
          \u901a\u8fc7os\u6a21\u5757\u7684stat()\u51fd\u6570\u53ef\u4ee5\u83b7\u53d6\u6587\u4ef6\u7684\u57fa\u672c\u4fe1\u606f\uff0cstat()\u51fd\u6570\u7684\u8fd4\u56de\u503c\u4e3a\u4e00\u4e2a\u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u5305\u542b\u5982\u4e0b\u5c5e\u6027\uff0c\u901a\u8fc7\u8bbf\u95ee\u5bf9\u5e94\u7684\u5c5e\u6027\u53ef\u83b7\u53d6\u6587\u4ef6\u7684\u57fa\u672c\u4fe1\u606f<\/p>\n\n\n\n
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          \u5c5e\u6027<\/td>\u8bf4\u660e<\/td><\/tr>
          st_mode<\/td>\u4fdd\u62a4\u6a21\u5f0f<\/td><\/tr>
          st_info<\/td>\u7d22\u5f15\u53f7<\/td><\/tr>
          st_nlink<\/td>\u786c\u94fe\u63a5\u53f7(\u88ab\u8fde\u63a5\u6570\u76ee)<\/td><\/tr>
          st_size<\/td>\u6587\u4ef6\u5927\u5c0f\uff0c\u5355\u4f4d\u4e3a\u5b57\u8282<\/td><\/tr>
          st_mtime<\/td>\u6700\u540e\u4e00\u6b21\u4fee\u6539\u65f6\u95f4<\/td><\/tr>
          st_dev<\/td>\u8bbe\u5907\u540d<\/td><\/tr>
          st_uid<\/td>\u7528\u6237ID<\/td><\/tr>
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          st_atime<\/td>\u6700\u540e\u4e00\u6b21\u8bbf\u95ee\u65f6\u95f4<\/td><\/tr>
          st_ctime<\/td>\u6700\u540e\u4e00\u6b21\u72b6\u6001\u6539\u53d8\u7684\u65f6\u95f4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
          \u4f8b\u5982\uff1a\u5b9a\u4e49\u6a21\u5757stat.py\uff0c\u901a\u8fc7stat()\u51fd\u6570\u83b7\u53d6\u6587\u4ef6\u4fe1\u606f\uff0c\u901a\u8fc7\u5bf9\u8c61\u5c5e\u6027\u8bbf\u95ee\u6587\u4ef6\u4fe1\u606f\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
          \"\"<\/figure>\n\n\n\n
          <\/p>\n","protected":false},"excerpt":{"rendered":"
          \u4e00\u3001\u57fa\u672c\u6587\u4ef6\u64cd\u4f5c\uff1a 1\u3001\u521b\u5efa\u548c\u6253\u5f00\u6587\u4ef6\uff1a \u5728Python\u4e2d\uff0c\u60f3\u8981\u64cd\u4f5c\u6587\u4ef6\u9700\u8981\u5148\u521b\u5efa\u6216\u8005\u6253\u5f00\u6307\u5b9a\u7684\u6587\u4ef6\u5e76\u521b\u5efa\u6587\u4ef6 […]<\/p>\n","protected":false},"author":3,"featured_media":2112,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,29],"tags":[],"class_list":["post-2266","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","category-yunwei"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/2266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/comments?post=2266"}],"version-history":[{"count":19,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/2266\/revisions"}],"predecessor-version":[{"id":18806,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/2266\/revisions\/18806"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media\/2112"}],"wp:attachment":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media?parent=2266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/categories?post=2266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/tags?post=2266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}