{"id":999269,"date":"2024-12-27T09:40:06","date_gmt":"2024-12-27T01:40:06","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/999269.html"},"modified":"2024-12-27T09:40:08","modified_gmt":"2024-12-27T01:40:08","slug":"python%e5%a6%82%e4%bd%95%e8%be%93%e5%87%ba%e5%88%b0%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/999269.html","title":{"rendered":"python\u5982\u4f55\u8f93\u51fa\u5230\u6587\u4ef6"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25074342\/7f984cc4-930f-44ce-8f81-2bb555469de2.webp\" alt=\"python\u5982\u4f55\u8f93\u51fa\u5230\u6587\u4ef6\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u4f7f\u7528\u5185\u7f6e\u7684\u6587\u4ef6\u64cd\u4f5c\u51fd\u6570\u5373\u53ef\u5c06\u6570\u636e\u8f93\u51fa\u5230\u6587\u4ef6\u4e2d\uff0c\u5305\u62ec<code>open()<\/code>\u3001<code>write()<\/code>\u3001<code>writelines()<\/code>\u7b49\u3002\u901a\u8fc7\u6307\u5b9a\u6587\u4ef6\u540d\u548c\u6a21\u5f0f\uff08\u5982\u5199\u5165\u6a21\u5f0f<code>&#39;w&#39;<\/code>\u6216\u8ffd\u52a0\u6a21\u5f0f<code>&#39;a&#39;<\/code>\uff09\uff0c\u7ed3\u5408<code>with<\/code>\u8bed\u53e5\uff0c\u53ef\u4ee5\u5b89\u5168\u5730\u5c06\u6570\u636e\u5199\u5165\u6587\u4ef6\u5e76\u81ea\u52a8\u5173\u95ed\u6587\u4ef6\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u6f0f\u3002<\/strong> \u5728Python\u4e2d\uff0c\u5c06\u6570\u636e\u8f93\u51fa\u5230\u6587\u4ef6\u662f\u4e00\u4e2a\u5e38\u89c1\u4e14\u7b80\u5355\u7684\u64cd\u4f5c\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528<code>open()<\/code>\u51fd\u6570\u6253\u5f00\u6587\u4ef6\uff0c\u7136\u540e\u4f7f\u7528<code>write()<\/code>\u6216<code>writelines()<\/code>\u65b9\u6cd5\u5199\u5165\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u4f8b\u5b50\uff0c\u5c55\u793a\u5982\u4f55\u5c06\u6570\u636e\u5199\u5165\u6587\u4ef6\u5e76\u786e\u4fdd\u6587\u4ef6\u5728\u64cd\u4f5c\u540e\u88ab\u6b63\u786e\u5173\u95ed\u3002<\/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.writelines([&#39;Line 1\\n&#39;, &#39;Line 2\\n&#39;])<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c<code>open()<\/code>\u51fd\u6570\u4ee5\u5199\u5165\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6<code>output.txt<\/code>\uff0c\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u53ef\u4ee5\u786e\u4fdd\u5728\u5199\u5165\u64cd\u4f5c\u5b8c\u6210\u540e\uff0c\u6587\u4ef6\u4f1a\u88ab\u81ea\u52a8\u5173\u95ed\uff0c\u65e0\u9700\u624b\u52a8\u8c03\u7528<code>close()<\/code>\u65b9\u6cd5\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u7b80\u6d01\uff0c\u800c\u4e14\u80fd\u6709\u6548\u9632\u6b62\u6587\u4ef6\u6cc4\u9732\u7b49\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u6587\u4ef6\u6253\u5f00\u4e0e\u5173\u95ed<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u6587\u4ef6\u64cd\u4f5c\u662f\u901a\u8fc7<code>open()<\/code>\u51fd\u6570\u5b9e\u73b0\u7684\u3002<code>open()<\/code>\u51fd\u6570\u63a5\u53d7\u6587\u4ef6\u540d\u548c\u6a21\u5f0f\u4f5c\u4e3a\u53c2\u6570\uff0c\u6a21\u5f0f\u51b3\u5b9a\u4e86\u6587\u4ef6\u7684\u6253\u5f00\u65b9\u5f0f\uff0c\u4f8b\u5982\u53ea\u8bfb\uff08<code>&#39;r&#39;<\/code>\uff09\u3001\u5199\u5165\uff08<code>&#39;w&#39;<\/code>\uff09\u3001\u8ffd\u52a0\uff08<code>&#39;a&#39;<\/code>\uff09\u7b49\u3002\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u53ef\u4ee5\u5728\u6587\u4ef6\u64cd\u4f5c\u5b8c\u6210\u540e\u81ea\u52a8\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u6587\u4ef6\u6253\u5f00<\/strong><\/p>\n<\/p>\n<p><p>\u6253\u5f00\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u6307\u5b9a\u4e0d\u540c\u7684\u6a21\u5f0f\u3002\u5e38\u7528\u7684\u6a21\u5f0f\u5305\u62ec\uff1a<\/p>\n<\/p>\n<ul>\n<li><code>&#39;r&#39;<\/code>: \u53ea\u8bfb\u6a21\u5f0f\u3002<\/li>\n<li><code>&#39;w&#39;<\/code>: \u5199\u5165\u6a21\u5f0f\uff0c\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa\u6587\u4ef6\u3002<\/li>\n<li><code>&#39;a&#39;<\/code>: \u8ffd\u52a0\u6a21\u5f0f\uff0c\u5728\u6587\u4ef6\u672b\u5c3e\u8ffd\u52a0\u5185\u5bb9\u3002<\/li>\n<li><code>&#39;b&#39;<\/code>: \u4ee5\u4e8c\u8fdb\u5236\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\u3002<\/li>\n<li><code>&#39;t&#39;<\/code>: \u4ee5\u6587\u672c\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff08\u9ed8\u8ba4\uff09\u3002<\/li>\n<\/ul>\n<p><pre><code class=\"language-python\">file = open(&#39;example.txt&#39;, &#39;w&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u6587\u4ef6\u5173\u95ed<\/strong><\/p>\n<\/p>\n<p><p>\u5728\u4e0d\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u7684\u60c5\u51b5\u4e0b\uff0c\u5fc5\u987b\u624b\u52a8\u8c03\u7528<code>close()<\/code>\u65b9\u6cd5\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">file.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u65f6\uff0c\u4e0d\u9700\u8981\u663e\u5f0f\u8c03\u7528<code>close()<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;example.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>    pass<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e8c\u3001\u5199\u5165\u6587\u672c\u5230\u6587\u4ef6<\/p>\n<\/p>\n<p><p>\u5728\u6253\u5f00\u6587\u4ef6\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528<code>write()<\/code>\u65b9\u6cd5\u548c<code>writelines()<\/code>\u65b9\u6cd5\u5c06\u6587\u672c\u5199\u5165\u6587\u4ef6\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u4f7f\u7528<code>write()<\/code>\u65b9\u6cd5<\/strong><\/p>\n<\/p>\n<p><p><code>write()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u5199\u5165\u6587\u4ef6\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c<code>write()<\/code>\u65b9\u6cd5\u4e0d\u4f1a\u81ea\u52a8\u6dfb\u52a0\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;example.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<\/li>\n<li>\n<p><strong>\u4f7f\u7528<code>writelines()<\/code>\u65b9\u6cd5<\/strong><\/p>\n<\/p>\n<p><p><code>writelines()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5199\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\u5230\u6587\u4ef6\u4e2d\u3002\u6b64\u65b9\u6cd5\u4e0d\u4f1a\u5728\u884c\u4e4b\u95f4\u6dfb\u52a0\u6362\u884c\u7b26\uff0c\u6240\u4ee5\u9700\u8981\u5728\u6bcf\u4e2a\u5b57\u7b26\u4e32\u672b\u5c3e\u624b\u52a8\u6dfb\u52a0<code>\\n<\/code>\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;example.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>    file.writelines([&#39;Line 1\\n&#39;, &#39;Line 2\\n&#39;, &#39;Line 3\\n&#39;])<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e09\u3001\u5199\u5165\u4e8c\u8fdb\u5236\u6570\u636e\u5230\u6587\u4ef6<\/p>\n<\/p>\n<p><p>\u5728\u5904\u7406\u975e\u6587\u672c\u6570\u636e\uff08\u5982\u56fe\u7247\u3001\u97f3\u9891\u6587\u4ef6\uff09\u65f6\uff0c\u901a\u5e38\u9700\u8981\u4ee5\u4e8c\u8fdb\u5236\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528<code>write()<\/code>\u65b9\u6cd5\u5199\u5165\u4e8c\u8fdb\u5236\u6570\u636e\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u4ee5\u4e8c\u8fdb\u5236\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6<\/strong><\/p>\n<\/p>\n<p><p>\u4f7f\u7528<code>&#39;wb&#39;<\/code>\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\u4ee5\u8fdb\u884c\u4e8c\u8fdb\u5236\u5199\u5165\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;example.bin&#39;, &#39;wb&#39;) as file:<\/p>\n<p>    file.write(b&#39;\\x00\\x01\\x02\\x03&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u5199\u5165\u4e8c\u8fdb\u5236\u6570\u636e<\/strong><\/p>\n<\/p>\n<p><p>\u4e8c\u8fdb\u5236\u6570\u636e\u901a\u5e38\u4ee5\u5b57\u8282\u6570\u7ec4\u6216\u5b57\u8282\u5b57\u7b26\u4e32\u7684\u5f62\u5f0f\u8868\u793a\u3002\u5728\u5199\u5165\u4e8c\u8fdb\u5236\u6570\u636e\u65f6\uff0c\u786e\u4fdd\u6570\u636e\u4ee5\u5b57\u8282\u5f62\u5f0f\u63d0\u4f9b\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">binary_data = bytearray([0, 1, 2, 3, 4, 5])<\/p>\n<p>with open(&#39;example.bin&#39;, &#39;wb&#39;) as file:<\/p>\n<p>    file.write(binary_data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u56db\u3001\u8ffd\u52a0\u6a21\u5f0f\u5199\u5165<\/p>\n<\/p>\n<p><p>\u5728\u8ffd\u52a0\u6a21\u5f0f\u4e0b\uff08<code>&#39;a&#39;<\/code>\uff09\uff0c\u6570\u636e\u4f1a\u88ab\u6dfb\u52a0\u5230\u6587\u4ef6\u7684\u672b\u5c3e\uff0c\u800c\u4e0d\u662f\u8986\u76d6\u73b0\u6709\u5185\u5bb9\u3002\u8fd9\u5728\u9700\u8981\u4fdd\u7559\u539f\u59cb\u6587\u4ef6\u5185\u5bb9\u5e76\u6dfb\u52a0\u65b0\u5185\u5bb9\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u6253\u5f00\u6587\u4ef6\u4ee5\u8ffd\u52a0\u6a21\u5f0f<\/strong><\/p>\n<\/p>\n<p><p>\u4f7f\u7528<code>&#39;a&#39;<\/code>\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;example.txt&#39;, &#39;a&#39;) as file:<\/p>\n<p>    file.write(&#39;This line will be appended.\\n&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u8ffd\u52a0\u65b0\u5185\u5bb9<\/strong><\/p>\n<\/p>\n<p><p>\u5728\u8ffd\u52a0\u6a21\u5f0f\u4e0b\uff0c\u6240\u6709\u65b0\u5199\u5165\u7684\u5185\u5bb9\u90fd\u4f1a\u88ab\u6dfb\u52a0\u5230\u6587\u4ef6\u672b\u5c3e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;example.txt&#39;, &#39;a&#39;) as file:<\/p>\n<p>    file.write(&#39;Additional line.\\n&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e94\u3001\u683c\u5f0f\u5316\u8f93\u51fa<\/p>\n<\/p>\n<p><p>\u5728\u5c06\u6570\u636e\u5199\u5165\u6587\u4ef6\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u683c\u5f0f\u5316\u8f93\u51fa\u5185\u5bb9\u3002Python\u63d0\u4f9b\u4e86\u591a\u79cd\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\uff0c\u5982f-string\u3001<code>format()<\/code>\u65b9\u6cd5\u548c\u767e\u5206\u53f7\uff08<code>%<\/code>\uff09\u8fd0\u7b97\u7b26\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u4f7f\u7528f-string<\/strong><\/p>\n<\/p>\n<p><p>f-string\u662f\u4e00\u79cd\u7b80\u5355\u800c\u5f3a\u5927\u7684\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\uff0c\u4ecePython 3.6\u5f00\u59cb\u5f15\u5165\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">name = &#39;Alice&#39;<\/p>\n<p>age = 30<\/p>\n<p>with open(&#39;example.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>    file.write(f&#39;Name: {name}, Age: {age}\\n&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u4f7f\u7528<code>format()<\/code>\u65b9\u6cd5<\/strong><\/p>\n<\/p>\n<p><p><code>format()<\/code>\u65b9\u6cd5\u9002\u7528\u4e8e\u6240\u6709Python\u7248\u672c\uff0c\u5e76\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u683c\u5f0f\u5316\u9009\u9879\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">name = &#39;Bob&#39;<\/p>\n<p>age = 25<\/p>\n<p>with open(&#39;example.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>    file.write(&#39;Name: {}, Age: {}\\n&#39;.format(name, age))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u4f7f\u7528\u767e\u5206\u53f7\uff08<code>%<\/code>\uff09\u8fd0\u7b97\u7b26<\/strong><\/p>\n<\/p>\n<p><p>\u767e\u5206\u53f7\u8fd0\u7b97\u7b26\u662f\u65e9\u671fPython\u7248\u672c\u7684\u683c\u5f0f\u5316\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">name = &#39;Charlie&#39;<\/p>\n<p>age = 28<\/p>\n<p>with open(&#39;example.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>    file.write(&#39;Name: %s, Age: %d\\n&#39; % (name, age))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u516d\u3001\u5904\u7406\u5f02\u5e38<\/p>\n<\/p>\n<p><p>\u5728\u6587\u4ef6\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u5404\u79cd\u5f02\u5e38\uff0c\u5982\u6587\u4ef6\u4e0d\u5b58\u5728\u3001\u65e0\u6743\u9650\u5199\u5165\u7b49\u3002\u4f7f\u7528<code>try-except<\/code>\u8bed\u53e5\u53ef\u4ee5\u6355\u83b7\u5e76\u5904\u7406\u8fd9\u4e9b\u5f02\u5e38\uff0c\u786e\u4fdd\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u6355\u83b7\u5f02\u5e38<\/strong><\/p>\n<\/p>\n<p><p>\u4f7f\u7528<code>try-except<\/code>\u8bed\u53e5\u6355\u83b7\u6587\u4ef6\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u51fa\u73b0\u7684\u5f02\u5e38\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">try:<\/p>\n<p>    with open(&#39;example.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>        file.write(&#39;Writing to file.\\n&#39;)<\/p>\n<p>except IOError as e:<\/p>\n<p>    print(f&#39;An error occurred: {e}&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u63d0\u4f9b\u8be6\u7ec6\u9519\u8bef\u4fe1\u606f<\/strong><\/p>\n<\/p>\n<p><p>\u5728\u6355\u83b7\u5f02\u5e38\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5f02\u5e38\u5bf9\u8c61\u63d0\u4f9b\u8be6\u7ec6\u7684\u9519\u8bef\u4fe1\u606f\uff0c\u5e2e\u52a9\u8c03\u8bd5\u548c\u6392\u67e5\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">try:<\/p>\n<p>    with open(&#39;non_existent_folder\/example.txt&#39;, &#39;w&#39;) as file:<\/p>\n<p>        file.write(&#39;This will r<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>se an error.\\n&#39;)<\/p>\n<p>except IOError as e:<\/p>\n<p>    print(f&#39;Failed to write to file: {e}&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e03\u3001\u603b\u7ed3<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u4ecb\u7ecd\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u548c\u6a21\u5f0f\u6765\u5c06\u6570\u636e\u8f93\u51fa\u5230\u6587\u4ef6\u4e2d\u3002\u65e0\u8bba\u662f\u6587\u672c\u6570\u636e\u8fd8\u662f\u4e8c\u8fdb\u5236\u6570\u636e\uff0cPython\u90fd\u80fd\u901a\u8fc7\u7b80\u5355\u800c\u7075\u6d3b\u7684\u6587\u4ef6\u64cd\u4f5cAPI\u6765\u5b9e\u73b0\u3002\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u53ef\u4ee5\u786e\u4fdd\u6587\u4ef6\u5728\u64cd\u4f5c\u5b8c\u6210\u540e\u88ab\u6b63\u786e\u5173\u95ed\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u6f0f\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7ed3\u5408\u5f02\u5e38\u5904\u7406\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u53ef\u9760\u6027\u3002\u901a\u8fc7\u5408\u7406\u9009\u62e9\u6587\u4ef6\u64cd\u4f5c\u6a21\u5f0f\u548c\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u5e94\u7528\u573a\u666f\u4e0b\u7684\u6587\u4ef6\u8f93\u51fa\u9700\u6c42\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5c06\u6570\u636e\u5199\u5165\u6587\u4ef6\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684<code>open()<\/code>\u51fd\u6570\u6765\u521b\u5efa\u6216\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff0c\u7136\u540e\u4f7f\u7528<code>write()<\/code>\u6216<code>writelines()<\/code>\u65b9\u6cd5\u5c06\u6570\u636e\u5199\u5165\u6587\u4ef6\u3002\u8981\u786e\u4fdd\u5728\u5199\u5165\u5b8c\u6210\u540e\uff0c\u4f7f\u7528<code>close()<\/code>\u65b9\u6cd5\u5173\u95ed\u6587\u4ef6\uff0c\u6216\u8005\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u81ea\u52a8\u7ba1\u7406\u6587\u4ef6\u7684\u6253\u5f00\u548c\u5173\u95ed\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(&quot;Hello, World!&quot;)\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u7b80\u6d01\uff0c\u800c\u4e14\u80fd\u6709\u6548\u9632\u6b62\u6587\u4ef6\u672a\u5173\u95ed\u800c\u5bfc\u81f4\u7684\u8d44\u6e90\u6cc4\u9732\u3002<\/p>\n<p><strong>\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\u8fdb\u884c\u5199\u5165\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u6253\u5f00\u6587\u4ef6\u65f6\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u6a21\u5f0f\u3002\u6700\u5e38\u7528\u7684\u6a21\u5f0f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>&#39;w&#39;<\/code>\uff1a\u5199\u5165\u6a21\u5f0f\uff0c\u4f1a\u8986\u76d6\u5df2\u6709\u6587\u4ef6\u5185\u5bb9\u3002<\/li>\n<li><code>&#39;a&#39;<\/code>\uff1a\u8ffd\u52a0\u6a21\u5f0f\uff0c\u6570\u636e\u4f1a\u88ab\u6dfb\u52a0\u5230\u5df2\u6709\u6587\u4ef6\u7684\u672b\u5c3e\u3002<\/li>\n<li><code>&#39;x&#39;<\/code>\uff1a\u72ec\u5360\u5199\u5165\u6a21\u5f0f\uff0c\u5982\u679c\u6587\u4ef6\u5df2\u5b58\u5728\uff0c\u5219\u64cd\u4f5c\u5931\u8d25\u3002<\/li>\n<\/ul>\n<p>\u9009\u62e9\u5408\u9002\u7684\u6a21\u5f0f\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u6765\u51b3\u5b9a\u662f\u8986\u76d6\u65e7\u6570\u636e\u8fd8\u662f\u5728\u5176\u540e\u6dfb\u52a0\u65b0\u6570\u636e\u3002<\/p>\n<p><strong>\u5982\u4f55\u5904\u7406\u5199\u5165\u6587\u4ef6\u65f6\u53ef\u80fd\u51fa\u73b0\u7684\u9519\u8bef\uff1f<\/strong><br \/>\u5728\u6587\u4ef6\u64cd\u4f5c\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u591a\u79cd\u9519\u8bef\uff0c\u6bd4\u5982\u6587\u4ef6\u6743\u9650\u4e0d\u8db3\u6216\u8def\u5f84\u4e0d\u5b58\u5728\u3002\u53ef\u4ee5\u4f7f\u7528<code>try<\/code>\u548c<code>except<\/code>\u8bed\u53e5\u6765\u6355\u83b7\u548c\u5904\u7406\u8fd9\u4e9b\u5f02\u5e38\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">try:\n    with open(&#39;output.txt&#39;, &#39;w&#39;) as file:\n        file.write(&quot;Hello, World!&quot;)\nexcept IOError as e:\n    print(f&quot;\u5199\u5165\u6587\u4ef6\u65f6\u53d1\u751f\u9519\u8bef: {e}&quot;)\n<\/code><\/pre>\n<p>\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u7a0b\u5e8f\u5728\u51fa\u73b0\u95ee\u9898\u65f6\u4e0d\u4f1a\u5d29\u6e83\uff0c\u5e76\u80fd\u63d0\u4f9b\u6709\u7528\u7684\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u4f7f\u7528\u5185\u7f6e\u7684\u6587\u4ef6\u64cd\u4f5c\u51fd\u6570\u5373\u53ef\u5c06\u6570\u636e\u8f93\u51fa\u5230\u6587\u4ef6\u4e2d\uff0c\u5305\u62ecopen()\u3001write()\u3001writel [&hellip;]","protected":false},"author":3,"featured_media":999274,"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\/999269"}],"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=999269"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/999269\/revisions"}],"predecessor-version":[{"id":999278,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/999269\/revisions\/999278"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/999274"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=999269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=999269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=999269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}