{"id":1018426,"date":"2024-12-27T12:42:20","date_gmt":"2024-12-27T04:42:20","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1018426.html"},"modified":"2024-12-27T12:42:25","modified_gmt":"2024-12-27T04:42:25","slug":"python%e5%a6%82%e4%bd%95%e9%80%90%e8%a1%8c%e8%af%bb%e5%8f%96%e6%96%87%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1018426.html","title":{"rendered":"python\u5982\u4f55\u9010\u884c\u8bfb\u53d6\u6587\u672c"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25161131\/01cd8e75-1f72-418b-887f-4d98ac249489.webp\" alt=\"python\u5982\u4f55\u9010\u884c\u8bfb\u53d6\u6587\u672c\" \/><\/p>\n<p><p> Python\u9010\u884c\u8bfb\u53d6\u6587\u672c\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c<strong>\u53ef\u4ee5\u4f7f\u7528<code>readline()<\/code>\u65b9\u6cd5\u3001<code>readlines()<\/code>\u65b9\u6cd5\u6216\u8005\u76f4\u63a5\u4f7f\u7528<code>for<\/code>\u5faa\u73af\u904d\u5386\u6587\u4ef6\u5bf9\u8c61<\/strong>\u3002\u8fd9\u4e09\u79cd\u65b9\u6cd5\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u5177\u4f53\u7684\u4f7f\u7528\u573a\u666f\u548c\u9700\u6c42\u4e0d\u540c\uff0c\u9009\u62e9\u7684\u65b9\u5f0f\u4e5f\u4f1a\u6709\u6240\u4e0d\u540c\u3002<strong><code>readline()<\/code>\u65b9\u6cd5\u9002\u5408\u9010\u884c\u5904\u7406\u5927\u578b\u6587\u4ef6\u3001<code>readlines()<\/code>\u9002\u5408\u5c0f\u578b\u6587\u4ef6\u4e00\u6b21\u6027\u8bfb\u53d6\u3001<code>for<\/code>\u5faa\u73af\u5219\u662f\u8f83\u4e3a\u7b80\u6d01\u7684\u8bed\u6cd5<\/strong>\u3002\u4ee5\u4e0b\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f7f\u7528\u573a\u666f\u4e0e\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528 <code>readline()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n<p><p><code>readline()<\/code> \u65b9\u6cd5\u7528\u4e8e\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u4e00\u884c\u5185\u5bb9\uff0c\u9002\u5408\u9700\u8981\u9010\u884c\u5904\u7406\u5927\u6587\u4ef6\u7684\u573a\u666f\u3002\u6bcf\u8c03\u7528\u4e00\u6b21\u8be5\u65b9\u6cd5\uff0c\u6587\u4ef6\u6307\u9488\u90fd\u4f1a\u5411\u4e0b\u79fb\u52a8\u4e00\u884c\uff0c\u76f4\u81f3\u6587\u4ef6\u672b\u5c3e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;example.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>    line = file.readline()<\/p>\n<p>    while line:<\/p>\n<p>        print(line.strip())  # \u8f93\u51fa\u5f53\u524d\u884c\u5185\u5bb9\uff0c\u53bb\u9664\u672b\u5c3e\u7684\u6362\u884c\u7b26<\/p>\n<p>        line = file.readline()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c<code>readline()<\/code> \u65b9\u6cd5\u5728\u6bcf\u6b21\u5faa\u73af\u4e2d\u8bfb\u53d6\u4e00\u884c\u5185\u5bb9\uff0c\u5e76\u5c06\u6587\u4ef6\u6307\u9488\u79fb\u52a8\u5230\u4e0b\u4e00\u884c\u3002\u4f7f\u7528 <code>strip()<\/code> \u65b9\u6cd5\u53bb\u9664\u6bcf\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528 <code>readlines()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n<p><p><code>readlines()<\/code> \u65b9\u6cd5\u5c06\u6574\u4e2a\u6587\u4ef6\u7684\u5185\u5bb9\u8bfb\u53d6\u5230\u4e00\u4e2a\u5217\u8868\u4e2d\uff0c\u6bcf\u4e2a\u5143\u7d20\u4ee3\u8868\u6587\u4ef6\u4e2d\u7684\u4e00\u884c\u3002<strong>\u9002\u7528\u4e8e\u5c0f\u578b\u6587\u4ef6<\/strong>\uff0c\u56e0\u4e3a\u5b83\u4f1a\u5c06\u6574\u4e2a\u6587\u4ef6\u5185\u5bb9\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;example.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>    lines = file.readlines()<\/p>\n<p>    for line in lines:<\/p>\n<p>        print(line.strip())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u6b64\u4ee3\u7801\u4e2d\uff0c<code>readlines()<\/code> \u65b9\u6cd5\u5c06\u6587\u4ef6\u5185\u5bb9\u8bfb\u53d6\u4e3a\u5217\u8868\uff0c\u7136\u540e\u4f7f\u7528 <code>for<\/code> \u5faa\u73af\u904d\u5386\u8f93\u51fa\u3002\u6ce8\u610f\uff0c\u5f53\u6587\u4ef6\u8f83\u5927\u65f6\uff0c\u4e0d\u5efa\u8bae\u4f7f\u7528\u6b64\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u5360\u7528\u7684\u5185\u5b58\u4f1a\u5f88\u5927\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528 <code>for<\/code> \u5faa\u73af\u904d\u5386\u6587\u4ef6\u5bf9\u8c61<\/h3>\n<\/p>\n<p><p>\u76f4\u63a5\u4f7f\u7528 <code>for<\/code> \u5faa\u73af\u904d\u5386\u6587\u4ef6\u5bf9\u8c61\u662f\u6700\u4e3a\u7b80\u6d01\u7684\u65b9\u5f0f\u3002\u6587\u4ef6\u5bf9\u8c61\u672c\u8eab\u5c31\u662f\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff0c<code>for<\/code> \u5faa\u73af\u53ef\u4ee5\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;example.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>    for line in file:<\/p>\n<p>        print(line.strip())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u52bf\u5728\u4e8e\u7b80\u6d01\u4e14\u9ad8\u6548\uff0c\u9002\u7528\u4e8e\u5927\u90e8\u5206\u6587\u4ef6\u8bfb\u53d6\u573a\u666f\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u9010\u884c\u5904\u7406\u6587\u672c\u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n<p><h4>1. \u6587\u4ef6\u8def\u5f84\u4e0e\u7f16\u7801<\/h4>\n<\/p>\n<p><p>\u5728\u8bfb\u53d6\u6587\u4ef6\u65f6\uff0c\u786e\u4fdd\u6587\u4ef6\u8def\u5f84\u6b63\u786e\uff0c\u5e76\u8003\u8651\u6587\u4ef6\u7684\u7f16\u7801\u65b9\u5f0f\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6587\u672c\u6587\u4ef6\u7684\u7f16\u7801\u4e3a UTF-8\uff0c\u4f46\u4e5f\u53ef\u80fd\u662f\u5176\u4ed6\u7f16\u7801\u65b9\u5f0f\uff0c\u5982 ASCII \u6216 GBK\u3002\u5728\u6253\u5f00\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u6307\u5b9a\u7f16\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;example.txt&#39;, &#39;r&#39;, encoding=&#39;utf-8&#39;) as file:<\/p>\n<p>    # \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5982\u679c\u4e0d\u6307\u5b9a\u7f16\u7801\uff0c\u9ed8\u8ba4\u4f7f\u7528\u7cfb\u7edf\u7f16\u7801\uff0c\u53ef\u80fd\u5bfc\u81f4\u8bfb\u53d6\u9519\u8bef\u3002<\/p>\n<\/p>\n<p><h4>2. \u6587\u4ef6\u5173\u95ed<\/h4>\n<\/p>\n<p><p>\u4f7f\u7528 <code>with open()<\/code> \u8bed\u53e5\u65f6\uff0c\u6587\u4ef6\u4f1a\u5728\u64cd\u4f5c\u7ed3\u675f\u540e\u81ea\u52a8\u5173\u95ed\u3002<strong>\u786e\u4fdd\u6587\u4ef6\u88ab\u6b63\u786e\u5173\u95ed\uff0c\u907f\u514d\u6587\u4ef6\u53e5\u67c4\u6cc4\u9732<\/strong>\u3002<\/p>\n<\/p>\n<p><h4>3. \u5185\u5b58\u4e0e\u6027\u80fd<\/h4>\n<\/p>\n<p><p>\u5728\u5904\u7406\u5927\u6587\u4ef6\u65f6\uff0c\u4f7f\u7528 <code>readline()<\/code> \u65b9\u6cd5\u6216 <code>for<\/code> \u5faa\u73af\u904d\u5386\u6587\u4ef6\u5bf9\u8c61\uff0c\u4ee5\u51cf\u5c11\u5185\u5b58\u6d88\u8017\u3002<code>readlines()<\/code> \u65b9\u6cd5\u4e0d\u9002\u5408\u5904\u7406\u975e\u5e38\u5927\u7684\u6587\u4ef6\uff0c\u56e0\u4e3a\u5b83\u5c06\u6574\u4e2a\u6587\u4ef6\u5185\u5bb9\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002<\/p>\n<\/p>\n<p><h4>4. \u5f02\u5e38\u5904\u7406<\/h4>\n<\/p>\n<p><p>\u6587\u4ef6\u64cd\u4f5c\u65f6\u5e94\u6ce8\u610f\u5f02\u5e38\u5904\u7406\uff0c\u4ee5\u9632\u6b62\u6587\u4ef6\u4e0d\u5b58\u5728\u6216\u8bfb\u53d6\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u9519\u8bef\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>try<\/code> \u548c <code>except<\/code> \u5757\u6355\u83b7\u5f02\u5e38\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">try:<\/p>\n<p>    with open(&#39;example.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>        for line in file:<\/p>\n<p>            print(line.strip())<\/p>\n<p>except FileNotFoundError:<\/p>\n<p>    print(&quot;File not found.&quot;)<\/p>\n<p>except Exception as e:<\/p>\n<p>    print(f&quot;An error occurred: {e}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e94\u3001\u9010\u884c\u8bfb\u53d6\u6587\u672c\u7684\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n<p><h4>1. \u65e5\u5fd7\u6587\u4ef6\u5206\u6790<\/h4>\n<\/p>\n<p><p>\u9010\u884c\u8bfb\u53d6\u6587\u672c\u7684\u4e00\u4e2a\u5e38\u89c1\u5e94\u7528\u573a\u666f\u662f\u65e5\u5fd7\u6587\u4ef6\u5206\u6790\u3002\u65e5\u5fd7\u6587\u4ef6\u901a\u5e38\u8f83\u5927\uff0c\u9010\u884c\u8bfb\u53d6\u53ef\u4ee5\u6709\u6548\u5730\u5206\u6790\u548c\u5904\u7406\u5176\u4e2d\u7684\u4fe1\u606f\uff0c\u800c\u4e0d\u4f1a\u5360\u7528\u8fc7\u591a\u5185\u5b58\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;log.txt&#39;, &#39;r&#39;) as log_file:<\/p>\n<p>    for line in log_file:<\/p>\n<p>        if &quot;ERROR&quot; in line:<\/p>\n<p>            print(line.strip())  # \u8f93\u51fa\u5305\u542b&quot;ERROR&quot;\u7684\u884c<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u6570\u636e\u9884\u5904\u7406<\/h4>\n<\/p>\n<p><p>\u5728\u6570\u636e\u79d1\u5b66\u548c<a href=\"https:\/\/docs.pingcode.com\/ask\/59192.html\" target=\"_blank\">\u673a\u5668\u5b66\u4e60<\/a>\u9886\u57df\uff0c\u5904\u7406\u539f\u59cb\u6570\u636e\u6587\u4ef6\u65f6\uff0c\u9010\u884c\u8bfb\u53d6\u53ef\u4ee5\u9010\u6b65\u5904\u7406\u548c\u6e05\u6d17\u6570\u636e\u3002\u4f8b\u5982\uff0c\u4ece\u4e00\u4e2a\u5927\u7684 CSV \u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u5e76\u8fdb\u884c\u9884\u5904\u7406\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import csv<\/p>\n<p>with open(&#39;data.csv&#39;, &#39;r&#39;) as csv_file:<\/p>\n<p>    csv_reader = csv.reader(csv_file)<\/p>\n<p>    for row in csv_reader:<\/p>\n<p>        # \u5bf9\u6bcf\u884c\u6570\u636e\u8fdb\u884c\u5904\u7406<\/p>\n<p>        print(row)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3. \u6587\u672c\u6587\u4ef6\u8f6c\u6362<\/h4>\n<\/p>\n<p><p>\u9010\u884c\u8bfb\u53d6\u6587\u672c\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5c06\u6587\u672c\u6587\u4ef6\u8f6c\u6362\u4e3a\u5176\u4ed6\u683c\u5f0f\uff0c\u5982 JSON \u6216 XML\u3002\u4f8b\u5982\uff0c\u5c06\u4e00\u4e2a\u7b80\u5355\u7684\u6587\u672c\u6587\u4ef6\u9010\u884c\u8bfb\u53d6\u5e76\u8f6c\u6362\u4e3a JSON \u5bf9\u8c61\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import json<\/p>\n<p>data = []<\/p>\n<p>with open(&#39;data.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>    for line in file:<\/p>\n<p>        data.append(line.strip())<\/p>\n<p>with open(&#39;data.json&#39;, &#39;w&#39;) as json_file:<\/p>\n<p>    json.dump(data, json_file)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u516d\u3001\u4f18\u5316\u9010\u884c\u8bfb\u53d6\u7684\u4ee3\u7801<\/h3>\n<\/p>\n<p><h4>1. \u4f7f\u7528\u751f\u6210\u5668<\/h4>\n<\/p>\n<p><p>\u5728\u9700\u8981\u5bf9\u6bcf\u884c\u8fdb\u884c\u590d\u6742\u7684\u5904\u7406\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6027\u80fd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def read_large_file(file_path):<\/p>\n<p>    with open(file_path, &#39;r&#39;) as file:<\/p>\n<p>        for line in file:<\/p>\n<p>            yield line.strip()<\/p>\n<p>for line in read_large_file(&#39;example.txt&#39;):<\/p>\n<p>    print(line)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u591a\u7ebf\u7a0b\u8bfb\u53d6<\/h4>\n<\/p>\n<p><p>\u5bf9\u4e8e\u6781\u5927\u6587\u4ef6\u6216\u8005\u9700\u8981\u5e76\u884c\u5904\u7406\u7684\u4efb\u52a1\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u591a\u7ebf\u7a0b\u6765\u52a0\u901f\u6587\u4ef6\u7684\u8bfb\u53d6\u548c\u5904\u7406\u3002\u4e0d\u8fc7\uff0cPython \u7684 GIL\uff08\u5168\u5c40\u89e3\u91ca\u5668\u9501\uff09\u53ef\u80fd\u4f1a\u9650\u5236\u591a\u7ebf\u7a0b\u7684\u6027\u80fd\u63d0\u5347\uff0c\u9700\u8c28\u614e\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import threading<\/p>\n<p>def process_line(line):<\/p>\n<p>    # \u5904\u7406\u6bcf\u884c\u7684\u903b\u8f91<\/p>\n<p>    print(line.strip())<\/p>\n<p>def read_file_in_thread(file_path):<\/p>\n<p>    with open(file_path, &#39;r&#39;) as file:<\/p>\n<p>        for line in file:<\/p>\n<p>            thread = threading.Thread(target=process_line, args=(line,))<\/p>\n<p>            thread.start()<\/p>\n<p>read_file_in_thread(&#39;example.txt&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e03\u3001\u603b\u7ed3\u4e0e\u5efa\u8bae<\/h3>\n<\/p>\n<p><p>\u9010\u884c\u8bfb\u53d6\u6587\u672c\u662f\u6587\u4ef6\u5904\u7406\u4e2d\u7684\u4e00\u4e2a\u57fa\u672c\u64cd\u4f5c\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u8bfb\u6027\u3002\u5728\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u6587\u4ef6\u65f6\uff0c\u5e94\u8003\u8651\u6587\u4ef6\u7684\u5927\u5c0f\u3001\u7f16\u7801\u548c\u6570\u636e\u683c\u5f0f\u3002\u6b64\u5916\uff0c\u826f\u597d\u7684\u5f02\u5e38\u5904\u7406\u548c\u6587\u4ef6\u7ba1\u7406\u662f\u786e\u4fdd\u7a0b\u5e8f\u5065\u58ee\u6027\u548c\u53ef\u9760\u6027\u7684\u5173\u952e\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7ed3\u5408\u751f\u6210\u5668\u3001\u591a\u7ebf\u7a0b\u7b49\u6280\u672f\u53ef\u4ee5\u8fdb\u4e00\u6b65\u4f18\u5316\u6587\u4ef6\u8bfb\u53d6\u548c\u5904\u7406\u7684\u6548\u7387\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u9010\u884c\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684<code>open()<\/code>\u51fd\u6570\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u901a\u8fc7\u5faa\u73af\u9010\u884c\u8bfb\u53d6\u6587\u672c\u3002\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528<code>for<\/code>\u5faa\u73af\u904d\u5386\u6587\u4ef6\u5bf9\u8c61\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-python\">with open(&#39;yourfile.txt&#39;, &#39;r&#39;) as file:\n    for line in file:\n        print(line.strip())\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u540c\u65f6<code>strip()<\/code>\u65b9\u6cd5\u7528\u4e8e\u53bb\u9664\u6bcf\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26\u3002<\/p>\n<p><strong>\u9010\u884c\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\u5728\u9010\u884c\u8bfb\u53d6\u6587\u672c\u65f6\uff0c\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u662f\u6700\u4f73\u5b9e\u8df5\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u786e\u4fdd\u6587\u4ef6\u5728\u8bfb\u53d6\u5b8c\u6210\u540e\u6b63\u786e\u5173\u95ed\u3002\u6b64\u5916\uff0c\u5bf9\u4e8e\u5927\u6587\u4ef6\uff0c\u9010\u884c\u8bfb\u53d6\u6bd4\u4e00\u6b21\u6027\u8bfb\u53d6\u6574\u4e2a\u6587\u4ef6\u66f4\u8282\u7701\u5185\u5b58\u3002\u4f7f\u7528<code>file.readlines()<\/code>\u65b9\u6cd5\u867d\u7136\u65b9\u4fbf\uff0c\u4f46\u4f1a\u5c06\u6574\u4e2a\u6587\u4ef6\u8bfb\u5165\u5185\u5b58\uff0c\u4e0d\u9002\u5408\u5904\u7406\u5927\u578b\u6587\u4ef6\u3002<\/p>\n<p><strong>\u5982\u4f55\u5904\u7406\u9010\u884c\u8bfb\u53d6\u4e2d\u7684\u5f02\u5e38\u60c5\u51b5\uff1f<\/strong><br \/>\u5728\u9010\u884c\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u6587\u4ef6\u4e0d\u5b58\u5728\u6216\u8bfb\u53d6\u6743\u9650\u4e0d\u8db3\u7684\u60c5\u51b5\u3002\u53ef\u4ee5\u4f7f\u7528<code>try-except<\/code>\u5757\u6765\u6355\u83b7\u8fd9\u4e9b\u5f02\u5e38\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-python\">try:\n    with open(&#39;yourfile.txt&#39;, &#39;r&#39;) as file:\n        for line in file:\n            print(line.strip())\nexcept FileNotFoundError:\n    print(&quot;\u6587\u4ef6\u672a\u627e\u5230\uff0c\u8bf7\u68c0\u67e5\u6587\u4ef6\u8def\u5f84\u3002&quot;)\nexcept PermissionError:\n    print(&quot;\u6743\u9650\u4e0d\u8db3\uff0c\u65e0\u6cd5\u8bfb\u53d6\u6587\u4ef6\u3002&quot;)\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u80fd\u6709\u6548\u5730\u5904\u7406\u5f02\u5e38\uff0c\u786e\u4fdd\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u9010\u884c\u8bfb\u53d6\u6587\u672c\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u53ef\u4ee5\u4f7f\u7528readline()\u65b9\u6cd5\u3001readlines()\u65b9\u6cd5\u6216\u8005\u76f4\u63a5\u4f7f\u7528 [&hellip;]","protected":false},"author":3,"featured_media":1018435,"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\/1018426"}],"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=1018426"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1018426\/revisions"}],"predecessor-version":[{"id":1018436,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1018426\/revisions\/1018436"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1018435"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1018426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1018426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1018426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}