{"id":1126589,"date":"2025-01-08T20:02:42","date_gmt":"2025-01-08T12:02:42","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1126589.html"},"modified":"2025-01-08T20:02:45","modified_gmt":"2025-01-08T12:02:45","slug":"python%e5%a6%82%e4%bd%95%e8%af%bb%e5%8f%96txt%e6%96%87%e4%bb%b6%e5%b9%b6%e6%98%be%e7%a4%ba%e5%87%ba%e6%9d%a5","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1126589.html","title":{"rendered":"python\u5982\u4f55\u8bfb\u53d6txt\u6587\u4ef6\u5e76\u663e\u793a\u51fa\u6765"},"content":{"rendered":"

\"python\u5982\u4f55\u8bfb\u53d6txt\u6587\u4ef6\u5e76\u663e\u793a\u51fa\u6765\"<\/p>\n

Python\u8bfb\u53d6TXT\u6587\u4ef6\u5e76\u663e\u793a\u51fa\u6765\u7684\u65b9\u6cd5\u5305\u542b\u4f7f\u7528open()<\/code>\u51fd\u6570\u3001\u4f7f\u7528with<\/code>\u8bed\u53e5\u3001\u5904\u7406\u7f16\u7801\u95ee\u9898\u3001\u5904\u7406\u5927\u6587\u4ef6\u7b49\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528with<\/code>\u8bed\u53e5<\/strong>\u662f\u6700\u63a8\u8350\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u81ea\u52a8\u7ba1\u7406\u6587\u4ef6\u8d44\u6e90\uff0c\u786e\u4fdd\u5728\u64cd\u4f5c\u7ed3\u675f\u540e\u6587\u4ef6\u88ab\u6b63\u786e\u5173\u95ed\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u6f0f\u3002<\/p>\n<\/p>\n

\u4f7f\u7528with<\/code>\u8bed\u53e5\u8bfb\u53d6TXT\u6587\u4ef6\uff1a<\/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
\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u7b80\u6d01\uff0c\u800c\u4e14\u5b89\u5168\u53ef\u9760\u3002<\/p>\n<\/p>\n
\n
\u4e00\u3001\u4f7f\u7528open()\u51fd\u6570<\/h3>\n<\/p>\n
open()<\/code>\u51fd\u6570\u662fPython\u4e2d\u6700\u5e38\u7528\u7684\u6587\u4ef6\u64cd\u4f5c\u51fd\u6570\u4e4b\u4e00\u3002\u5b83\u80fd\u591f\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\u5e76\u8fd4\u56de\u6587\u4ef6\u5bf9\u8c61\uff0c\u53ef\u4ee5\u5bf9\u6587\u4ef6\u8fdb\u884c\u8bfb\u3001\u5199\u7b49\u64cd\u4f5c\u3002open()<\/code>\u51fd\u6570\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
file_object = open(file_path, mode)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5176\u4e2d\uff0cfile_path<\/code>\u662f\u8981\u64cd\u4f5c\u7684\u6587\u4ef6\u8def\u5f84\uff0cmode<\/code>\u662f\u6587\u4ef6\u64cd\u4f5c\u6a21\u5f0f\uff0c\u5982\u53ea\u8bfb\u6a21\u5f0f\uff08'r'\uff09\u3001\u5199\u5165\u6a21\u5f0f\uff08'w'\uff09\u7b49\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h4>\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
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u9996\u5148\u7528open()<\/code>\u51fd\u6570\u6253\u5f00example.txt<\/code>\u6587\u4ef6\uff0c\u7136\u540e\u4f7f\u7528read()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u6700\u540e\u5173\u95ed\u6587\u4ef6\u3002\u6ce8\u610f\uff1a<\/strong> \u6587\u4ef6\u64cd\u4f5c\u5b8c\u6210\u540e\u9700\u8981\u5173\u95ed\u6587\u4ef6\uff0c\u9632\u6b62\u8d44\u6e90\u6cc4\u6f0f\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528with\u8bed\u53e5<\/h3>\n<\/p>\n
with<\/code>\u8bed\u53e5\u662fPython\u4e2d\u5904\u7406\u6587\u4ef6\u64cd\u4f5c\u7684\u63a8\u8350\u65b9\u5f0f\u3002\u5b83\u80fd\u591f\u786e\u4fdd\u5728\u64cd\u4f5c\u7ed3\u675f\u540e\u81ea\u52a8\u5173\u95ed\u6587\u4ef6\uff0c\u65e0\u9700\u624b\u52a8\u8c03\u7528close()<\/code>\u65b9\u6cd5\u3002with<\/code>\u8bed\u53e5\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
with open(file_path, mode) as file_object:<\/p>\n
    # \u6587\u4ef6\u64cd\u4f5c<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h4>\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
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0cwith<\/code>\u8bed\u53e5\u4f1a\u5728\u64cd\u4f5c\u7ed3\u675f\u540e\u81ea\u52a8\u5173\u95ed\u6587\u4ef6\uff0c\u65e0\u9700\u624b\u52a8\u8c03\u7528close()<\/code>\u65b9\u6cd5\uff0c\u7b80\u5316\u4e86\u4ee3\u7801\uff0c\u589e\u5f3a\u4e86\u5b89\u5168\u6027\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5904\u7406\u7f16\u7801\u95ee\u9898<\/h3>\n<\/p>\n
\u5728\u8bfb\u53d6TXT\u6587\u4ef6\u65f6\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u7f16\u7801\u95ee\u9898\uff0c\u5c24\u5176\u662f\u5904\u7406\u975eASCII\u5b57\u7b26\u65f6\u3002Python\u63d0\u4f9b\u4e86\u591a\u79cd\u7f16\u7801\u683c\u5f0f\uff0c\u5982utf-8<\/code>\u3001latin-1<\/code>\u7b49\u3002\u6307\u5b9a\u7f16\u7801\u683c\u5f0f\u53ef\u4ee5\u907f\u514d\u8bfb\u53d6\u6587\u4ef6\u65f6\u51fa\u73b0\u4e71\u7801\u6216\u9519\u8bef\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h4>\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
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6307\u5b9a\u4e86utf-8<\/code>\u7f16\u7801\u683c\u5f0f\uff0c\u786e\u4fdd\u6b63\u786e\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n<\/p>\n
\u56db\u3001\u9010\u884c\u8bfb\u53d6\u6587\u4ef6<\/h3>\n<\/p>\n
\u5728\u5904\u7406\u5927\u6587\u4ef6\u65f6\uff0c\u4e00\u6b21\u6027\u8bfb\u53d6\u6574\u4e2a\u6587\u4ef6\u53ef\u80fd\u4f1a\u5360\u7528\u5927\u91cf\u5185\u5b58\uff0c\u5bfc\u81f4\u7a0b\u5e8f\u6027\u80fd\u4e0b\u964d\u751a\u81f3\u5d29\u6e83\u3002\u6b64\u65f6\uff0c\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u662f\u4e00\u4e2a\u66f4\u597d\u7684\u9009\u62e9\u3002readline()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\uff0c\u800creadlines()<\/code>\u65b9\u6cd5\u5219\u4f1a\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u6587\u4ef6\u6240\u6709\u884c\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h4>\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
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528for<\/code>\u5faa\u73af\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528strip()<\/code>\u65b9\u6cd5\u53bb\u9664\u6bcf\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26\uff0c\u9010\u884c\u6253\u5370\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5904\u7406\u5927\u6587\u4ef6<\/h3>\n<\/p>\n
\u5728\u5904\u7406\u5927\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528read(size)<\/code>\u65b9\u6cd5\u9010\u5757\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u6bcf\u6b21\u8bfb\u53d6\u6307\u5b9a\u5927\u5c0f\u7684\u5185\u5bb9\uff0c\u907f\u514d\u4e00\u6b21\u6027\u8bfb\u53d6\u6574\u4e2a\u6587\u4ef6\u5bfc\u81f4\u5185\u5b58\u4e0d\u8db3\u3002<\/p>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h4>\n<\/p>\n
with open('example.txt', 'r', encoding='utf-8') as file:<\/p>\n
    while True:<\/p>\n
        chunk = file.read(1024)  # \u6bcf\u6b21\u8bfb\u53d61KB\u5185\u5bb9<\/p>\n
        if not chunk:<\/p>\n
            break<\/p>\n
        print(chunk)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528while<\/code>\u5faa\u73af\u9010\u5757\u8bfb\u53d6\u6587\u4ef6\uff0c\u6bcf\u6b21\u8bfb\u53d61KB\u5185\u5bb9\uff0c\u76f4\u5230\u8bfb\u53d6\u5b8c\u6587\u4ef6\u4e3a\u6b62\u3002<\/p>\n<\/p>\n
\u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u591a\u79cd\u8bfb\u53d6TXT\u6587\u4ef6\u7684\u65b9\u6cd5\uff0c\u6700\u5e38\u7528\u7684\u662f\u4f7f\u7528open()<\/code>\u51fd\u6570\u548cwith<\/code>\u8bed\u53e5\u3002\u4f7f\u7528with<\/code>\u8bed\u53e5<\/strong>\u662f\u6700\u63a8\u8350\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u81ea\u52a8\u7ba1\u7406\u6587\u4ef6\u8d44\u6e90\uff0c\u786e\u4fdd\u64cd\u4f5c\u7ed3\u675f\u540e\u6587\u4ef6\u88ab\u6b63\u786e\u5173\u95ed\u3002\u5904\u7406\u6587\u4ef6\u65f6\uff0c\u8fd8\u9700\u8981\u6ce8\u610f\u7f16\u7801\u95ee\u9898\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u975eASCII\u5b57\u7b26\u65f6\u3002\u5bf9\u4e8e\u5927\u6587\u4ef6\uff0c\u53ef\u4ee5\u9010\u884c\u6216\u9010\u5757\u8bfb\u53d6\uff0c\u907f\u514d\u4e00\u6b21\u6027\u8bfb\u53d6\u6574\u4e2a\u6587\u4ef6\u5bfc\u81f4\u5185\u5b58\u4e0d\u8db3\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u7075\u6d3b\u9ad8\u6548\u5730\u8bfb\u53d6\u5e76\u663e\u793aTXT\u6587\u4ef6\u5185\u5bb9\uff0c\u6ee1\u8db3\u4e0d\u540c\u573a\u666f\u7684\u9700\u6c42\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u591f\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u548c\u638c\u63e1Python\u8bfb\u53d6TXT\u6587\u4ef6\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u6253\u5f00\u4e00\u4e2atxt\u6587\u4ef6\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u6253\u5f00\u4e00\u4e2atxt\u6587\u4ef6\u901a\u5e38\u4f7f\u7528\u5185\u7f6e\u7684open()<\/code>\u51fd\u6570\u3002\u4f60\u9700\u8981\u63d0\u4f9b\u6587\u4ef6\u7684\u8def\u5f84\u548c\u6253\u5f00\u6a21\u5f0f\uff08\u5982\u8bfb\u53d6\u6a21\u5f0f'r'\uff09\u3002\u4f8b\u5982\uff0c\u4f7f\u7528with open('example.txt', 'r') as file:<\/code>\u53ef\u4ee5\u5b89\u5168\u5730\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u5728\u4f7f\u7528\u5b8c\u6bd5\u540e\u81ea\u52a8\u5173\u95ed\u3002<\/p>\n
\u5982\u4f55\u9010\u884c\u8bfb\u53d6txt\u6587\u4ef6\u7684\u5185\u5bb9\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528for<\/code>\u5faa\u73af\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002\u4f7f\u7528with open('example.txt', 'r') as file:<\/code>\u540e\uff0c\u4f7f\u7528for line in file:<\/code>\u8bed\u53e5\u53ef\u4ee5\u9010\u884c\u8bbf\u95ee\u6587\u4ef6\u4e2d\u7684\u6bcf\u4e00\u884c\uff0c\u5e76\u53ef\u4ee5\u5728\u5faa\u73af\u4f53\u5185\u5904\u7406\u8fd9\u4e9b\u884c\u3002<\/p>\n
\u5982\u4f55\u5904\u7406\u8bfb\u53d6txt\u6587\u4ef6\u65f6\u9047\u5230\u7684\u5f02\u5e38\u60c5\u51b5\uff1f<\/strong>
\u5728\u8bfb\u53d6\u6587\u4ef6\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5982\u6587\u4ef6\u4e0d\u5b58\u5728\u6216\u6743\u9650\u4e0d\u8db3\u7b49\u5f02\u5e38\u60c5\u51b5\u3002\u53ef\u4ee5\u4f7f\u7528try...except<\/code>\u8bed\u53e5\u6765\u6355\u83b7\u8fd9\u4e9b\u9519\u8bef\u3002\u4f8b\u5982\uff0ctry:<\/code>\u540e\u8ddf\u6253\u5f00\u6587\u4ef6\u7684\u4ee3\u7801\uff0cexcept FileNotFoundError:<\/code>\u53ef\u4ee5\u5904\u7406\u627e\u4e0d\u5230\u6587\u4ef6\u7684\u5f02\u5e38\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u8bfb\u53d6TXT\u6587\u4ef6\u5e76\u663e\u793a\u51fa\u6765\u7684\u65b9\u6cd5\u5305\u542b\u4f7f\u7528open()\u51fd\u6570\u3001\u4f7f\u7528with\u8bed\u53e5\u3001\u5904\u7406\u7f16\u7801\u95ee\u9898\u3001\u5904\u7406\u5927\u6587\u4ef6 […]","protected":false},"author":3,"featured_media":1126600,"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\/1126589"}],"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=1126589"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1126589\/revisions"}],"predecessor-version":[{"id":1126605,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1126589\/revisions\/1126605"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1126600"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1126589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1126589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1126589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}