{"id":1167829,"date":"2025-01-15T15:50:30","date_gmt":"2025-01-15T07:50:30","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1167829.html"},"modified":"2025-01-15T15:51:01","modified_gmt":"2025-01-15T07:51:01","slug":"python%e5%a6%82%e4%bd%95%e8%be%93%e5%87%ba%e5%88%b0txt%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1167829.html","title":{"rendered":"python\u5982\u4f55\u8f93\u51fa\u5230txt\u6587\u4ef6"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/26065245\/11674a5f-71f7-4541-aba6-2dda3c7b7f38.webp\" alt=\"python\u5982\u4f55\u8f93\u51fa\u5230txt\u6587\u4ef6\" \/><\/p>\n<p><p> <strong>Python\u8f93\u51fa\u5230txt\u6587\u4ef6\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528open\u51fd\u6570\u3001\u4f7f\u7528with\u8bed\u53e5\u7ba1\u7406\u6587\u4ef6\u4e0a\u4e0b\u6587\u3001\u4f7f\u7528write\u65b9\u6cd5\u5199\u5165\u6570\u636e\u3001\u4f7f\u7528writelines\u65b9\u6cd5\u5199\u5165\u5217\u8868\u6570\u636e\u3001\u4f7f\u7528print\u51fd\u6570\u91cd\u5b9a\u5411\u8f93\u51fa\u5230\u6587\u4ef6\u3002<\/strong> <\/p>\n<\/p>\n<p><p>\u4f7f\u7528<code>open<\/code>\u51fd\u6570\u548c<code>write<\/code>\u65b9\u6cd5\u662f\u6700\u5e38\u89c1\u7684\u65b9\u5f0f\u3002\u4f7f\u7528<code>open<\/code>\u51fd\u6570\u53ef\u4ee5\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff0c\u7136\u540e\u7528<code>write<\/code>\u65b9\u6cd5\u5c06\u5185\u5bb9\u5199\u5165\u6587\u4ef6\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;output.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>    file.write(&#39;Hello, World!&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c<code>open<\/code>\u51fd\u6570\u4ee5\u5199\u6a21\u5f0f\uff08&#39;w&#39;\uff09\u6253\u5f00\u6587\u4ef6<code>output.txt<\/code>\uff0c\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5b83\u5c06\u88ab\u521b\u5efa\u3002\u5982\u679c\u6587\u4ef6\u5df2\u7ecf\u5b58\u5728\uff0c\u5b83\u7684\u5185\u5bb9\u5c06\u88ab\u6e05\u7a7a\u3002<code>with<\/code>\u8bed\u53e5\u786e\u4fdd\u4e86\u6587\u4ef6\u5728\u4f7f\u7528\u5b8c\u6bd5\u540e\u81ea\u52a8\u5173\u95ed\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u9732\u3002<\/p>\n<\/p>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecdPython\u4e2d\u8f93\u51fa\u5230txt\u6587\u4ef6\u7684\u5404\u79cd\u65b9\u6cd5\u548c\u4f7f\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528open\u51fd\u6570\u548cwrite\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p><strong>1\u3001\u57fa\u672c\u7528\u6cd5<\/strong><\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u6253\u5f00\u6587\u4ef6\u7684\u57fa\u672c\u8bed\u6cd5\u662f\u4f7f\u7528<code>open<\/code>\u51fd\u6570\u3002<code>open<\/code>\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u6587\u4ef6\u540d\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u6a21\u5f0f\u3002\u5e38\u7528\u7684\u6a21\u5f0f\u6709\uff1a<\/p>\n<\/p>\n<ul>\n<li><code>&#39;r&#39;<\/code>\uff1a\u4ee5\u53ea\u8bfb\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u6587\u4ef6\u5fc5\u987b\u5b58\u5728\u3002<\/li>\n<li><code>&#39;w&#39;<\/code>\uff1a\u4ee5\u5199\u5165\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u5982\u679c\u6587\u4ef6\u5b58\u5728\u4f1a\u6e05\u7a7a\u6587\u4ef6\u5185\u5bb9\uff0c\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa\u4e00\u4e2a\u65b0\u6587\u4ef6\u3002<\/li>\n<li><code>&#39;a&#39;<\/code>\uff1a\u4ee5\u8ffd\u52a0\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa\u65b0\u6587\u4ef6\u3002<\/li>\n<li><code>&#39;b&#39;<\/code>\uff1a\u4ee5\u4e8c\u8fdb\u5236\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff08\u53ef\u4ee5\u4e0e\u5176\u4ed6\u6a21\u5f0f\u7ed3\u5408\u4f7f\u7528\uff0c\u5982<code>&#39;rb&#39;<\/code>\u3001<code>&#39;wb&#39;<\/code>\uff09\u3002<\/li>\n<\/ul>\n<p><p>\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">file = open(&#39;output.txt&#39;, &#39;w&#39;)<\/p>\n<p>file.write(&#39;Hello, World!&#39;)<\/p>\n<p>file.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>2\u3001\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668with<\/strong><\/p>\n<\/p>\n<p><p>\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u53ef\u4ee5\u786e\u4fdd\u6587\u4ef6\u5728\u4f7f\u7528\u5b8c\u6bd5\u540e\u81ea\u52a8\u5173\u95ed\uff0c\u8fd9\u662f\u63a8\u8350\u7684\u65b9\u5f0f\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;output.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>    file.write(&#39;Hello, World!&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>3\u3001\u5199\u5165\u591a\u884c<\/strong><\/p>\n<\/p>\n<p><p>\u5982\u679c\u9700\u8981\u5199\u5165\u591a\u884c\u6587\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u6b21<code>write<\/code>\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;output.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>    file.write(&#39;Hello, World!\\n&#39;)<\/p>\n<p>    file.write(&#39;This is a new line.\\n&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528writelines\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p><strong>1\u3001\u57fa\u672c\u7528\u6cd5<\/strong><\/p>\n<\/p>\n<p><p><code>writelines<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\u5199\u5165\u6587\u4ef6\u3002\u6bcf\u4e2a\u5b57\u7b26\u4e32\u5fc5\u987b\u5305\u542b\u6362\u884c\u7b26\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">lines = [&#39;Hello, World!\\n&#39;, &#39;This is a new line.\\n&#39;]<\/p>\n<p>with open(&#39;output.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>    file.writelines(lines)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>2\u3001\u81ea\u52a8\u6dfb\u52a0\u6362\u884c\u7b26<\/strong><\/p>\n<\/p>\n<p><p>\u5982\u679c\u5b57\u7b26\u4e32\u5217\u8868\u6ca1\u6709\u5305\u542b\u6362\u884c\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u89e3\u6790\u6dfb\u52a0\u6362\u884c\u7b26\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">lines = [&#39;Hello, World!&#39;, &#39;This is a new line.&#39;]<\/p>\n<p>with open(&#39;output.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>    file.writelines([line + &#39;\\n&#39; for line in lines])<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528print\u51fd\u6570\u91cd\u5b9a\u5411\u8f93\u51fa<\/h3>\n<\/p>\n<p><p><strong>1\u3001\u57fa\u672c\u7528\u6cd5<\/strong><\/p>\n<\/p>\n<p><p><code>print<\/code>\u51fd\u6570\u53ef\u4ee5\u901a\u8fc7<code>file<\/code>\u53c2\u6570\u91cd\u5b9a\u5411\u8f93\u51fa\u5230\u6587\u4ef6\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;output.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>    print(&#39;Hello, World!&#39;, file=file)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>2\u3001\u683c\u5f0f\u5316\u8f93\u51fa<\/strong><\/p>\n<\/p>\n<p><p>\u53ef\u4ee5\u4f7f\u7528<code>print<\/code>\u51fd\u6570\u7684<code>sep<\/code>\u548c<code>end<\/code>\u53c2\u6570\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;output.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>    print(&#39;Hello,&#39;, &#39;World!&#39;, sep=&#39; &#39;, end=&#39;\\n&#39;, file=file)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u56db\u3001\u6587\u4ef6\u6a21\u5f0f\u8be6\u89e3<\/h3>\n<\/p>\n<p><p><strong>1\u3001\u53ea\u8bfb\u6a21\u5f0f &#39;r&#39;<\/strong><\/p>\n<\/p>\n<p><p>\u4ee5\u53ea\u8bfb\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\u4f1a\u62a5\u9519\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">try:<\/p>\n<p>    with open(&#39;output.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>        content = file.read()<\/p>\n<p>        print(content)<\/p>\n<p>except FileNotFoundError:<\/p>\n<p>    print(&quot;File not found.&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>2\u3001\u5199\u5165\u6a21\u5f0f &#39;w&#39;<\/strong><\/p>\n<\/p>\n<p><p>\u4ee5\u5199\u5165\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u4f1a\u6e05\u7a7a\u6587\u4ef6\u5185\u5bb9\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;output.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>    file.write(&#39;New content.&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>3\u3001\u8ffd\u52a0\u6a21\u5f0f &#39;a&#39;<\/strong><\/p>\n<\/p>\n<p><p>\u4ee5\u8ffd\u52a0\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u65b0\u5185\u5bb9\u4f1a\u88ab\u6dfb\u52a0\u5230\u6587\u4ef6\u672b\u5c3e\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;output.txt&#39;, &#39;a&#39;) as file:<\/p>\n<p>    file.write(&#39;Appended content.\\n&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>4\u3001\u8bfb\u5199\u6a21\u5f0f &#39;r+&#39;<\/strong><\/p>\n<\/p>\n<p><p>\u4ee5\u8bfb\u5199\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u53ef\u4ee5\u8bfb\u53d6\u548c\u5199\u5165\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;output.txt&#39;, &#39;r+&#39;) as file:<\/p>\n<p>    content = file.read()<\/p>\n<p>    print(&#39;Original content:&#39;, content)<\/p>\n<p>    file.write(&#39;New content.&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>5\u3001\u4e8c\u8fdb\u5236\u6a21\u5f0f &#39;b&#39;<\/strong><\/p>\n<\/p>\n<p><p>\u4ee5\u4e8c\u8fdb\u5236\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;output.txt&#39;, &#39;wb&#39;) as file:<\/p>\n<p>    file.write(b&#39;Binary content.\\n&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e94\u3001\u5904\u7406\u5927\u6587\u4ef6<\/h3>\n<\/p>\n<p><p><strong>1\u3001\u9010\u884c\u8bfb\u53d6<\/strong><\/p>\n<\/p>\n<p><p>\u8bfb\u53d6\u5927\u6587\u4ef6\u65f6\uff0c\u907f\u514d\u4e00\u6b21\u6027\u8bfb\u53d6\u6574\u4e2a\u6587\u4ef6\uff0c\u53ef\u4ee5\u9010\u884c\u8bfb\u53d6\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;large_file.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>    for line in file:<\/p>\n<p>        process(line)  # process is a placeholder for actual processing logic<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>2\u3001\u9010\u5757\u8bfb\u53d6<\/strong><\/p>\n<\/p>\n<p><p>\u6309\u5757\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u53ef\u4ee5\u6307\u5b9a\u5757\u7684\u5927\u5c0f\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;large_file.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>    while True:<\/p>\n<p>        chunk = file.read(1024)  # \u8bfb\u53d61024\u5b57\u8282<\/p>\n<p>        if not chunk:<\/p>\n<p>            break<\/p>\n<p>        process(chunk)  # process is a placeholder for actual processing logic<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u516d\u3001\u5176\u4ed6\u5e38\u89c1\u64cd\u4f5c<\/h3>\n<\/p>\n<p><p><strong>1\u3001\u6587\u4ef6\u6307\u9488\u64cd\u4f5c<\/strong><\/p>\n<\/p>\n<p><p>\u6587\u4ef6\u6307\u9488\u4f4d\u7f6e\u53ef\u4ee5\u901a\u8fc7<code>seek<\/code>\u548c<code>tell<\/code>\u65b9\u6cd5\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;output.txt&#39;, &#39;r+&#39;) as file:<\/p>\n<p>    file.seek(0, 2)  # \u79fb\u52a8\u5230\u6587\u4ef6\u672b\u5c3e<\/p>\n<p>    file.write(&#39;Appended content.&#39;)<\/p>\n<p>    file.seek(0)  # \u79fb\u52a8\u5230\u6587\u4ef6\u5f00\u5934<\/p>\n<p>    content = file.read()<\/p>\n<p>    print(&#39;Updated content:&#39;, content)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>2\u3001\u6587\u4ef6\u68c0\u67e5<\/strong><\/p>\n<\/p>\n<p><p>\u5728\u64cd\u4f5c\u6587\u4ef6\u524d\uff0c\u53ef\u4ee5\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import os<\/p>\n<p>if os.path.exists(&#39;output.txt&#39;):<\/p>\n<p>    with open(&#39;output.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>        content = file.read()<\/p>\n<p>        print(content)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;File does not exist.&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>3\u3001\u6587\u4ef6\u5220\u9664<\/strong><\/p>\n<\/p>\n<p><p>\u5220\u9664\u6587\u4ef6\u53ef\u4ee5\u4f7f\u7528<code>os.remove<\/code>\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import os<\/p>\n<p>if os.path.exists(&#39;output.txt&#39;):<\/p>\n<p>    os.remove(&#39;output.txt&#39;)<\/p>\n<p>    print(&quot;File deleted.&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;File does not exist.&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u5c06\u6570\u636e\u8f93\u51fa\u5230txt\u6587\u4ef6\uff0c\u5305\u62ec\u4f7f\u7528<code>open<\/code>\u51fd\u6570\u3001<code>with<\/code>\u8bed\u53e5\u3001<code>write<\/code>\u65b9\u6cd5\u3001<code>writelines<\/code>\u65b9\u6cd5\u548c<code>print<\/code>\u51fd\u6570\u91cd\u5b9a\u5411\u8f93\u51fa\u3002\u4e0d\u540c\u7684\u65b9\u6cd5\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\uff0c\u5982\u9010\u884c\u5199\u5165\u3001\u6279\u91cf\u5199\u5165\u548c\u683c\u5f0f\u5316\u8f93\u51fa\u7b49\u3002\u540c\u65f6\uff0c\u4e86\u89e3\u6587\u4ef6\u6a21\u5f0f\u548c\u6587\u4ef6\u6307\u9488\u64cd\u4f5c\u6709\u52a9\u4e8e\u66f4\u7075\u6d3b\u5730\u5904\u7406\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u76f8\u4fe1\u8bfb\u8005\u80fd\u591f\u638c\u63e1Python\u8f93\u51fa\u5230txt\u6587\u4ef6\u7684\u5404\u79cd\u65b9\u6cd5\uff0c\u5e76\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e9b\u6280\u672f\u3002<\/p>\n<\/p>\n<p><p>\u5e0c\u671b\u672c\u6587\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002\u5982\u679c\u6709\u4efb\u4f55\u95ee\u9898\u6216\u5efa\u8bae\uff0c\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u4ea4\u6d41\u8ba8\u8bba\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684txt\u6587\u4ef6\u5e76\u5199\u5165\u5185\u5bb9\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684<code>open()<\/code>\u51fd\u6570\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u7684txt\u6587\u4ef6\u5e76\u5199\u5165\u5185\u5bb9\u3002\u901a\u8fc7\u8bbe\u7f6e\u6587\u4ef6\u6a21\u5f0f\u4e3a<code>&#39;w&#39;<\/code>\uff08\u5199\u5165\u6a21\u5f0f\uff09\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u6587\u4ef6\uff08\u5982\u679c\u6587\u4ef6\u5df2\u5b58\u5728\uff0c\u5219\u4f1a\u8986\u76d6\u5b83\uff09\uff0c\u5e76\u4f7f\u7528<code>write()<\/code>\u65b9\u6cd5\u5c06\u6587\u672c\u5199\u5165\u6587\u4ef6\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-python\">with open(&#39;output.txt&#39;, &#39;w&#39;) as file:\n    file.write(&#39;Hello, World!&#39;)\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u5728\u5f53\u524d\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<code>output.txt<\/code>\u7684\u6587\u4ef6\uff0c\u5e76\u5199\u5165\u201cHello, World!\u201d\u8fd9\u6bb5\u6587\u672c\u3002<\/p>\n<p><strong>\u5982\u4f55\u5411\u5df2\u5b58\u5728\u7684txt\u6587\u4ef6\u8ffd\u52a0\u5185\u5bb9\uff1f<\/strong><br \/>\u5982\u679c\u60a8\u60f3\u5728\u4e00\u4e2a\u5df2\u5b58\u5728\u7684txt\u6587\u4ef6\u4e2d\u6dfb\u52a0\u5185\u5bb9\u800c\u4e0d\u8986\u76d6\u539f\u6709\u5185\u5bb9\uff0c\u53ef\u4ee5\u4f7f\u7528<code>&#39;a&#39;<\/code>\u6a21\u5f0f\uff08\u8ffd\u52a0\u6a21\u5f0f\uff09\u6253\u5f00\u6587\u4ef6\u3002\u8fd9\u6837\uff0c\u60a8\u53ef\u4ee5\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u65b0\u7684\u6587\u672c\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">with open(&#39;output.txt&#39;, &#39;a&#39;) as file:\n    file.write(&#39;\\nThis is an additional line.&#39;)\n<\/code><\/pre>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5c06\u5728<code>output.txt<\/code>\u6587\u4ef6\u7684\u672b\u5c3e\u6dfb\u52a0\u4e00\u884c\u65b0\u5185\u5bb9\u3002<\/p>\n<p><strong>\u5982\u4f55\u8bfb\u53d6txt\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u5e76\u5728\u63a7\u5236\u53f0\u8f93\u51fa\uff1f<\/strong><br \/>\u8981\u8bfb\u53d6txt\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\uff0c\u53ef\u4ee5\u4f7f\u7528<code>open()<\/code>\u51fd\u6570\u4e0e<code>&#39;r&#39;<\/code>\u6a21\u5f0f\uff08\u8bfb\u53d6\u6a21\u5f0f\uff09\u3002\u4f7f\u7528<code>read()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u8bfb\u53d6\u6574\u4e2a\u6587\u4ef6\u5185\u5bb9\uff0c\u6216\u8005\u4f7f\u7528<code>readlines()<\/code>\u65b9\u6cd5\u9010\u884c\u8bfb\u53d6\u3002\u4e0b\u9762\u662f\u8bfb\u53d6\u6587\u4ef6\u5e76\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-python\">with open(&#39;output.txt&#39;, &#39;r&#39;) as file:\n    content = file.read()\n    print(content)\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u6253\u5f00<code>output.txt<\/code>\u6587\u4ef6\uff0c\u8bfb\u53d6\u6240\u6709\u5185\u5bb9\uff0c\u5e76\u5c06\u5176\u6253\u5370\u5230\u63a7\u5236\u53f0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u8f93\u51fa\u5230txt\u6587\u4ef6\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528open\u51fd\u6570\u3001\u4f7f\u7528with\u8bed\u53e5\u7ba1\u7406\u6587\u4ef6\u4e0a\u4e0b\u6587\u3001\u4f7f\u7528write\u65b9\u6cd5\u5199\u5165 [&hellip;]","protected":false},"author":3,"featured_media":1167872,"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\/1167829"}],"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=1167829"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1167829\/revisions"}],"predecessor-version":[{"id":1167873,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1167829\/revisions\/1167873"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1167872"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1167829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1167829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1167829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}