{"id":971205,"date":"2024-12-27T05:32:58","date_gmt":"2024-12-26T21:32:58","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/971205.html"},"modified":"2024-12-27T05:33:00","modified_gmt":"2024-12-26T21:33:00","slug":"python%e5%a6%82%e4%bd%95%e9%80%90%e8%a1%8c%e8%af%bb%e5%8f%96txt-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/971205.html","title":{"rendered":"python\u5982\u4f55\u9010\u884c\u8bfb\u53d6txt"},"content":{"rendered":"

\"python\u5982\u4f55\u9010\u884c\u8bfb\u53d6txt\"<\/p>\n

\u5f00\u5934\u6bb5\u843d\uff1a
\u5728Python\u4e2d\u9010\u884c\u8bfb\u53d6txt\u6587\u4ef6\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528open()\u51fd\u6570\u7ed3\u5408readline()\u3001\u4f7f\u7528open()\u51fd\u6570\u7ed3\u5408readlines()\u3001\u5229\u7528\u8fed\u4ee3\u5668\u76f4\u63a5\u904d\u5386\u6587\u4ef6\u5bf9\u8c61\u3002<\/strong> \u5176\u4e2d\uff0c\u6700\u5e38\u7528\u4e14\u9ad8\u6548\u7684\u65b9\u6cd5\u662f\u5229\u7528\u8fed\u4ee3\u5668\u76f4\u63a5\u904d\u5386\u6587\u4ef6\u5bf9\u8c61\uff0c\u56e0\u4e3a\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u9700\u8981\u5c06\u6574\u4e2a\u6587\u4ef6\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u9002\u7528\u4e8e\u5927\u6587\u4ef6\u5904\u7406\u3002\u901a\u8fc7\u4f7f\u7528with\u8bed\u53e5\u7ba1\u7406\u6587\u4ef6\u4e0a\u4e0b\u6587\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u6587\u4ef6\u5728\u4f7f\u7528\u5b8c\u6210\u540e\u81ea\u52a8\u5173\u95ed\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u6f0f\u3002\u6b64\u5916\uff0c\u7ed3\u5408strip()\u65b9\u6cd5\uff0c\u53ef\u4ee5\u53bb\u9664\u6bcf\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26\uff0c\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6574\u6d01\u6027\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528open()\u51fd\u6570\u7ed3\u5408readline()<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0copen()\u51fd\u6570\u662f\u6253\u5f00\u6587\u4ef6\u7684\u5185\u7f6e\u65b9\u6cd5\u3002\u901a\u8fc7open()\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u83b7\u5f97\u4e00\u4e2a\u6587\u4ef6\u5bf9\u8c61\uff0c\u901a\u8fc7\u8be5\u5bf9\u8c61\uff0c\u6211\u4eec\u53ef\u4ee5\u8bfb\u53d6\u3001\u5199\u5165\u6587\u4ef6\u3002readline()\u65b9\u6cd5\u7528\u4e8e\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u4e00\u884c\u5185\u5bb9\uff0c\u6bcf\u6b21\u8c03\u7528\u5b83\u4f1a\u8bfb\u53d6\u6587\u4ef6\u7684\u4e0b\u4e00\u884c\uff0c\u76f4\u5230\u6587\u4ef6\u7ed3\u675f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u5faa\u73af\u6765\u9010\u884c\u8bfb\u53d6\u6574\u4e2a\u6587\u4ef6\u3002<\/p>\n<\/p>\n

\u5728\u4f7f\u7528open()\u51fd\u6570\u65f6\uff0c\u6211\u4eec\u9700\u8981\u6307\u5b9a\u6587\u4ef6\u7684\u8def\u5f84\u548c\u6253\u5f00\u6a21\u5f0f\u3002\u5e38\u7528\u7684\u6253\u5f00\u6a21\u5f0f\u6709'r'\uff08\u53ea\u8bfb\uff09\u3001'w'\uff08\u53ea\u5199\uff09\u3001'a'\uff08\u8ffd\u52a0\uff09\u7b49\u3002\u5bf9\u4e8e\u8bfb\u53d6\u64cd\u4f5c\uff0c\u901a\u5e38\u4f7f\u7528'r'\u6a21\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528open()\u51fd\u6570\u7ed3\u5408readline()\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n

with open('example.txt', 'r') 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
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528while\u5faa\u73af\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\uff0c\u76f4\u5230readline()\u8fd4\u56de\u4e00\u4e2a\u7a7a\u5b57\u7b26\u4e32\uff0c\u8868\u793a\u6587\u4ef6\u7ed3\u675f\u3002strip()\u65b9\u6cd5\u7528\u4e8e\u53bb\u9664\u6bcf\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528open()\u51fd\u6570\u7ed3\u5408readlines()<\/p>\n<\/p>\n
readlines()\u65b9\u6cd5\u7528\u4e8e\u4e00\u6b21\u6027\u8bfb\u53d6\u6587\u4ef6\u7684\u6240\u6709\u884c\uff0c\u5e76\u5c06\u5b83\u4eec\u5b58\u50a8\u5728\u4e00\u4e2a\u5217\u8868\u4e2d\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u904d\u5386\u8fd9\u4e2a\u5217\u8868\u6765\u9010\u884c\u5904\u7406\u6587\u4ef6\u3002\u5bf9\u4e8e\u5c0f\u6587\u4ef6\uff0c\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u65b9\u4fbf\uff0c\u4f46\u5bf9\u4e8e\u5927\u6587\u4ef6\uff0c\u53ef\u80fd\u4f1a\u5360\u7528\u5927\u91cf\u5185\u5b58\uff0c\u56e0\u4e3a\u6574\u4e2a\u6587\u4ef6\u4f1a\u88ab\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002<\/p>\n<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528open()\u51fd\u6570\u7ed3\u5408readlines()\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
with open('example.txt', 'r') 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
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0creadlines()\u8bfb\u53d6\u6587\u4ef6\u7684\u6240\u6709\u884c\uff0c\u8fd4\u56de\u4e00\u4e2a\u5217\u8868\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528for\u5faa\u73af\u904d\u5386\u8fd9\u4e2a\u5217\u8868\uff0c\u5e76\u9010\u884c\u5904\u7406\u6bcf\u4e00\u884c\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5229\u7528\u8fed\u4ee3\u5668\u76f4\u63a5\u904d\u5386\u6587\u4ef6\u5bf9\u8c61<\/p>\n<\/p>\n
Python\u6587\u4ef6\u5bf9\u8c61\u662f\u53ef\u8fed\u4ee3\u7684\uff0c\u8fd9\u610f\u5473\u7740\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5bf9\u6587\u4ef6\u5bf9\u8c61\u8fdb\u884c\u8fed\u4ee3\uff0c\u800c\u65e0\u9700\u663e\u5f0f\u8c03\u7528readline()\u6216readlines()\u3002\u8fd9\u79cd\u65b9\u6cd5\u662f\u5904\u7406\u5927\u6587\u4ef6\u7684\u6700\u4f73\u9009\u62e9\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4f1a\u5c06\u6574\u4e2a\u6587\u4ef6\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u800c\u662f\u9010\u884c\u8bfb\u53d6\u3002<\/p>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5229\u7528\u8fed\u4ee3\u5668\u76f4\u63a5\u904d\u5386\u6587\u4ef6\u5bf9\u8c61\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
with open('example.txt', 'r') as file:<\/p>\n
    for line in file:<\/p>\n
        print(line.strip())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cfor\u5faa\u73af\u76f4\u63a5\u8fed\u4ee3\u6587\u4ef6\u5bf9\u8c61\uff0c\u6bcf\u6b21\u5faa\u73af\u90fd\u4f1a\u8bfb\u53d6\u6587\u4ef6\u7684\u4e0b\u4e00\u884c\u3002strip()\u65b9\u6cd5\u7528\u4e8e\u53bb\u9664\u6bcf\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n
\u56db\u3001\u7ed3\u5408with\u8bed\u53e5\u7ba1\u7406\u6587\u4ef6\u4e0a\u4e0b\u6587<\/p>\n<\/p>\n
\u4f7f\u7528with\u8bed\u53e5\u662f\u7ba1\u7406\u6587\u4ef6\u4e0a\u4e0b\u6587\u7684\u6700\u4f73\u5b9e\u8df5\u3002\u5b83\u53ef\u4ee5\u786e\u4fdd\u6587\u4ef6\u5728\u4f7f\u7528\u5b8c\u6210\u540e\u81ea\u52a8\u5173\u95ed\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u6f0f\u548c\u6587\u4ef6\u53e5\u67c4\u672a\u91ca\u653e\u7684\u95ee\u9898\u3002\u65e0\u8bba\u662f\u4f7f\u7528readline()\u3001readlines()\u8fd8\u662f\u76f4\u63a5\u904d\u5386\u6587\u4ef6\u5bf9\u8c61\uff0c\u90fd\u5e94\u7ed3\u5408with\u8bed\u53e5\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u7ed3\u5408with\u8bed\u53e5\u548creadline()\u65b9\u6cd5\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
with open('example.txt', 'r') 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
\u4e94\u3001\u53bb\u9664\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26<\/p>\n<\/p>\n
\u5728\u8bfb\u53d6\u6587\u4ef6\u65f6\uff0c\u6bcf\u884c\u901a\u5e38\u4ee5\u6362\u884c\u7b26\u7ed3\u5c3e\u3002\u4e3a\u4e86\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6574\u6d01\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528strip()\u65b9\u6cd5\u53bb\u9664\u6bcf\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26\u3002strip()\u4e0d\u4ec5\u53ef\u4ee5\u53bb\u9664\u6362\u884c\u7b26\uff0c\u8fd8\u53ef\u4ee5\u53bb\u9664\u884c\u9996\u548c\u884c\u5c3e\u7684\u7a7a\u767d\u5b57\u7b26\u3002<\/p>\n<\/p>\n
\u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528strip()\u65b9\u6cd5\u53bb\u9664\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26\uff1a<\/p>\n<\/p>\n
with open('example.txt', 'r') as file:<\/p>\n
    for line in file:<\/p>\n
        print(line.strip())<\/p>\n
<\/code><\/pre>\n<\/p>\n
strip()\u65b9\u6cd5\u5728\u8bfb\u53d6\u6bcf\u4e00\u884c\u540e\u7acb\u5373\u8c03\u7528\uff0c\u786e\u4fdd\u8f93\u51fa\u7684\u6bcf\u884c\u5185\u5bb9\u6ca1\u6709\u4e0d\u5fc5\u8981\u7684\u6362\u884c\u7b26\u548c\u7a7a\u767d\u5b57\u7b26\u3002<\/p>\n<\/p>\n
\u516d\u3001\u5904\u7406\u5927\u6587\u4ef6\u7684\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n
\u5728\u5904\u7406\u5927\u6587\u4ef6\u65f6\uff0c\u9010\u884c\u8bfb\u53d6\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u6548\u7684\u7b56\u7565\uff0c\u56e0\u4e3a\u5b83\u907f\u514d\u4e86\u5c06\u6574\u4e2a\u6587\u4ef6\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002\u7136\u800c\uff0c\u5728\u5904\u7406\u5927\u6587\u4ef6\u65f6\uff0c\u4ecd\u9700\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<\/p>\n
    \n
  1. \n
    \u4f7f\u7528\u8fed\u4ee3\u5668\uff1a\u76f4\u63a5\u904d\u5386\u6587\u4ef6\u5bf9\u8c61\u662f\u5904\u7406\u5927\u6587\u4ef6\u7684\u6700\u4f73\u9009\u62e9\uff0c\u56e0\u4e3a\u5b83\u4e0d\u9700\u8981\u5c06\u6574\u4e2a\u6587\u4ef6\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002<\/p>\n<\/p>\n<\/li>\n
  2. \n
    \u907f\u514d\u4f7f\u7528readlines()\uff1a\u5bf9\u4e8e\u5927\u6587\u4ef6\uff0creadlines()\u65b9\u6cd5\u53ef\u80fd\u4f1a\u5360\u7528\u5927\u91cf\u5185\u5b58\uff0c\u56e0\u4e3a\u5b83\u4f1a\u5c06\u6574\u4e2a\u6587\u4ef6\u7684\u5185\u5bb9\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002<\/p>\n<\/p>\n<\/li>\n
  3. \n
    \u786e\u4fdd\u6587\u4ef6\u5173\u95ed\uff1a\u4f7f\u7528with\u8bed\u53e5\u53ef\u4ee5\u786e\u4fdd\u6587\u4ef6\u5728\u4f7f\u7528\u5b8c\u6210\u540e\u81ea\u52a8\u5173\u95ed\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u6f0f\u3002<\/p>\n<\/p>\n<\/li>\n
  4. \n
    \u5904\u7406\u7f16\u7801\u95ee\u9898\uff1a\u5728\u8bfb\u53d6\u6587\u4ef6\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u7f16\u7801\u95ee\u9898\u3002\u53ef\u4ee5\u5728open()\u51fd\u6570\u4e2d\u6307\u5b9a\u7f16\u7801\u53c2\u6570\uff0c\u4f8b\u5982encoding='utf-8'\uff0c\u4ee5\u786e\u4fdd\u6b63\u786e\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e03\u3001\u793a\u4f8b\u5e94\u7528\uff1a\u7edf\u8ba1\u6587\u4ef6\u884c\u6570<\/p>\n<\/p>\n
    \u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u4e00\u4e2a\u5b9e\u9645\u5e94\u7528\u662f\u7edf\u8ba1\u6587\u4ef6\u7684\u884c\u6570\u3002\u901a\u8fc7\u904d\u5386\u6587\u4ef6\u5bf9\u8c61\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
    line_count = 0<\/p>\n
    with open('example.txt', 'r') as file:<\/p>\n
        for line in file:<\/p>\n
            line_count += 1<\/p>\n
    print(f'The file has {line_count} lines.')<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u9010\u884c\u904d\u5386\u6587\u4ef6\u5bf9\u8c61\uff0c\u6bcf\u8bfb\u53d6\u4e00\u884c\uff0c\u8ba1\u6570\u5668line_count\u52a01\u3002\u6700\u7ec8\uff0c\u8f93\u51fa\u6587\u4ef6\u7684\u603b\u884c\u6570\u3002<\/p>\n<\/p>\n
    \u516b\u3001\u793a\u4f8b\u5e94\u7528\uff1a\u67e5\u627e\u7279\u5b9a\u5b57\u7b26\u4e32<\/p>\n<\/p>\n
    \u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u7684\u53e6\u4e00\u4e2a\u5e94\u7528\u662f\u67e5\u627e\u6587\u4ef6\u4e2d\u662f\u5426\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u4e32\u3002\u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\uff1a<\/p>\n<\/p>\n
    search_string = 'Python'<\/p>\n
    found = False<\/p>\n
    with open('example.txt', 'r') as file:<\/p>\n
        for line in file:<\/p>\n
            if search_string in line:<\/p>\n
                found = True<\/p>\n
                break<\/p>\n
    if found:<\/p>\n
        print(f'The string "{search_string}" was found in the file.')<\/p>\n
    else:<\/p>\n
        print(f'The string "{search_string}" was not found in the file.')<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u9010\u884c\u904d\u5386\u6587\u4ef6\u5bf9\u8c61\uff0c\u68c0\u67e5\u6bcf\u4e00\u884c\u662f\u5426\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u4e32\u3002\u5982\u679c\u627e\u5230\uff0c\u8bbe\u7f6e\u6807\u5fd7\u53d8\u91cffound\u4e3aTrue\uff0c\u5e76\u9000\u51fa\u5faa\u73af\u3002\u6700\u7ec8\uff0c\u6839\u636e\u6807\u5fd7\u53d8\u91cf\u7684\u503c\u8f93\u51fa\u67e5\u627e\u7ed3\u679c\u3002<\/p>\n<\/p>\n
    \u4e5d\u3001\u5904\u7406\u6587\u4ef6\u8def\u5f84\u548c\u5f02\u5e38<\/p>\n<\/p>\n
    \u5728\u8bfb\u53d6\u6587\u4ef6\u65f6\uff0c\u5904\u7406\u6587\u4ef6\u8def\u5f84\u548c\u5f02\u5e38\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528os\u6a21\u5757\u5904\u7406\u6587\u4ef6\u8def\u5f84\uff0c\u786e\u4fdd\u7a0b\u5e8f\u7684\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u3002\u6b64\u5916\uff0c\u5e94\u8be5\u6355\u83b7\u53ef\u80fd\u51fa\u73b0\u7684\u5f02\u5e38\uff0c\u5982\u6587\u4ef6\u672a\u627e\u5230\u6216\u6743\u9650\u9519\u8bef\uff0c\u4ee5\u4fbf\u7a0b\u5e8f\u80fd\u591f\u4f18\u96c5\u5730\u5904\u7406\u8fd9\u4e9b\u60c5\u51b5\u3002<\/p>\n<\/p>\n
    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5904\u7406\u6587\u4ef6\u8def\u5f84\u548c\u5f02\u5e38\uff1a<\/p>\n<\/p>\n
    import os<\/p>\n
    file_path = 'example.txt'<\/p>\n
    if os.path.exists(file_path):<\/p>\n
        try:<\/p>\n
            with open(file_path, 'r') as file:<\/p>\n
                for line in file:<\/p>\n
                    print(line.strip())<\/p>\n
        except Exception as e:<\/p>\n
            print(f'An error occurred: {e}')<\/p>\n
    else:<\/p>\n
        print('File not found.')<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528os.path.exists()\u68c0\u67e5\u6587\u4ef6\u8def\u5f84\u662f\u5426\u5b58\u5728\u3002\u5982\u679c\u6587\u4ef6\u5b58\u5728\uff0c\u5c1d\u8bd5\u6253\u5f00\u5e76\u8bfb\u53d6\u6587\u4ef6\uff0c\u6355\u83b7\u53ef\u80fd\u51fa\u73b0\u7684\u5f02\u5e38\u3002\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u8f93\u51fa\u201cFile not found.\u201d\u7684\u63d0\u793a\u3002<\/p>\n<\/p>\n
    \u5341\u3001\u603b\u7ed3<\/p>\n<\/p>\n
    \u9010\u884c\u8bfb\u53d6txt\u6587\u4ef6\u5728Python\u4e2d\u662f\u4e00\u4e2a\u5e38\u89c1\u4e14\u5b9e\u7528\u7684\u64cd\u4f5c\u3002\u901a\u8fc7\u4f7f\u7528open()\u51fd\u6570\u7ed3\u5408readline()\u3001readlines()\u6216\u76f4\u63a5\u904d\u5386\u6587\u4ef6\u5bf9\u8c61\uff0c\u6211\u4eec\u53ef\u4ee5\u9ad8\u6548\u5730\u5904\u7406\u6587\u4ef6\u5185\u5bb9\u3002\u7ed3\u5408with\u8bed\u53e5\u7ba1\u7406\u6587\u4ef6\u4e0a\u4e0b\u6587\uff0c\u53ef\u4ee5\u786e\u4fdd\u6587\u4ef6\u5728\u4f7f\u7528\u5b8c\u6210\u540e\u81ea\u52a8\u5173\u95ed\u3002\u901a\u8fc7strip()\u65b9\u6cd5\u53bb\u9664\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6574\u6d01\u6027\u3002\u5728\u5904\u7406\u5927\u6587\u4ef6\u65f6\uff0c\u76f4\u63a5\u904d\u5386\u6587\u4ef6\u5bf9\u8c61\u662f\u6700\u4f73\u9009\u62e9\uff0c\u53ef\u4ee5\u907f\u514d\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\u7684\u95ee\u9898\u3002\u6b64\u5916\uff0c\u5904\u7406\u6587\u4ef6\u8def\u5f84\u548c\u5f02\u5e38\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\uff0c\u786e\u4fdd\u5728\u5404\u79cd\u60c5\u51b5\u4e0b\u6b63\u5e38\u8fd0\u884c\u3002\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u6211\u4eec\u53ef\u4ee5\u5728Python\u4e2d\u8f7b\u677e\u5b9e\u73b0\u9010\u884c\u8bfb\u53d6txt\u6587\u4ef6\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u5728Python\u4e2d\u9010\u884c\u8bfb\u53d6txt\u6587\u4ef6\u7684\u6700\u4f73\u65b9\u6cd5\u662f\u4ec0\u4e48\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u9010\u884c\u8bfb\u53d6txt\u6587\u4ef6\u7684\u5e38\u7528\u65b9\u6cd5\u662f\u4f7f\u7528with open()<\/code>\u8bed\u53e5\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u81ea\u52a8\u7ba1\u7406\u6587\u4ef6\u7684\u6253\u5f00\u548c\u5173\u95ed\uff0c\u786e\u4fdd\u8d44\u6e90\u7684\u6709\u6548\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n
    with open('yourfile.txt', 'r') as file:\n    for line in file:\n        print(line.strip())  # strip()\u7528\u4e8e\u53bb\u6389\u884c\u672b\u7684\u6362\u884c\u7b26\n<\/code><\/pre>\n
    \u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u5927\u6587\u4ef6\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4f1a\u4e00\u6b21\u6027\u5c06\u6574\u4e2a\u6587\u4ef6\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u800c\u662f\u9010\u884c\u8bfb\u53d6\u3002<\/p>\n
    \u5728\u9010\u884c\u8bfb\u53d6txt\u6587\u4ef6\u65f6\uff0c\u5982\u4f55\u5904\u7406\u7a7a\u884c\u6216\u7279\u5b9a\u683c\u5f0f\u7684\u884c\uff1f<\/strong>
    \u5728\u9010\u884c\u8bfb\u53d6\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u6761\u4ef6\u8bed\u53e5\u6765\u5904\u7406\u7a7a\u884c\u6216\u7279\u5b9a\u683c\u5f0f\u7684\u884c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u53ea\u60f3\u8bfb\u53d6\u975e\u7a7a\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a  <\/p>\n
    with open('yourfile.txt', 'r') as file:\n    for line in file:\n        if line.strip():  # \u68c0\u67e5\u884c\u662f\u5426\u975e\u7a7a\n            print(line.strip())\n<\/code><\/pre>\n
    \u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u8f93\u51fa\u4e2d\u4e0d\u5305\u542b\u7a7a\u884c\uff0c\u65b9\u4fbf\u8fdb\u4e00\u6b65\u7684\u6570\u636e\u5904\u7406\u3002<\/p>\n
    \u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u65f6\uff0c\u5982\u4f55\u63d0\u9ad8\u8bfb\u53d6\u6548\u7387\uff1f<\/strong>
    \u4e3a\u4e86\u63d0\u9ad8\u9010\u884c\u8bfb\u53d6\u7684\u6548\u7387\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528file.readlines()<\/code>\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u5c06\u6587\u4ef6\u7684\u6240\u6709\u884c\u8bfb\u53d6\u5230\u4e00\u4e2a\u5217\u8868\u4e2d\uff0c\u7136\u540e\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u8fed\u4ee3\u3002\u867d\u7136\u8fd9\u79cd\u65b9\u6cd5\u5728\u5904\u7406\u5c0f\u6587\u4ef6\u65f6\u975e\u5e38\u5feb\u901f\uff0c\u4f46\u5728\u5904\u7406\u5927\u6587\u4ef6\u65f6\u53ef\u80fd\u4f1a\u5360\u7528\u8f83\u591a\u5185\u5b58\u3002\u7ed3\u5408\u4f7f\u7528islice()<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u63a7\u5236\u8bfb\u53d6\u7684\u884c\u6570\u3002\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n
    from itertools import islice\n\nwith open('yourfile.txt', 'r') as file:\n    for line in islice(file, 10):  # \u53ea\u8bfb\u53d6\u524d10\u884c\n        print(line.strip())\n<\/code><\/pre>\n
    \u8fd9\u6837\u7684\u65b9\u5f0f\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u9010\u884c\u8bfb\u53d6\uff0c\u540c\u65f6\u63a7\u5236\u5185\u5b58\u7684\u4f7f\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5f00\u5934\u6bb5\u843d\uff1a\u5728Python\u4e2d\u9010\u884c\u8bfb\u53d6txt\u6587\u4ef6\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528open()\u51fd\u6570\u7ed3\u5408readline() […]","protected":false},"author":3,"featured_media":971213,"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\/971205"}],"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=971205"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/971205\/revisions"}],"predecessor-version":[{"id":971215,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/971205\/revisions\/971215"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/971213"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=971205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=971205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=971205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}