{"id":983640,"date":"2024-12-27T07:21:09","date_gmt":"2024-12-26T23:21:09","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/983640.html"},"modified":"2024-12-27T07:21:10","modified_gmt":"2024-12-26T23:21:10","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e6%89%93%e5%bc%80%e6%96%87%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/983640.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u6253\u5f00\u6587\u672c"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24211607\/78ba92d7-decc-4df1-9c05-573467c3b2a6.webp\" alt=\"python\u4e2d\u5982\u4f55\u6253\u5f00\u6587\u672c\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u6253\u5f00\u6587\u672c\u6587\u4ef6\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u7684<code>open()<\/code>\u51fd\u6570\u3001\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff08<code>with<\/code>\u8bed\u53e5\uff09\u4ee5\u53ca\u7b2c\u4e09\u65b9\u5e93\u7b49\uff0c\u5176\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528<code>open()<\/code>\u51fd\u6570\u548c\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u7ed3\u5408\u7684\u65b9\u5f0f\uff0c\u56e0\u4e3a\u8fd9\u79cd\u65b9\u5f0f\u80fd\u591f\u66f4\u597d\u5730\u7ba1\u7406\u6587\u4ef6\u8d44\u6e90\uff0c\u9632\u6b62\u6587\u4ef6\u6cc4\u9732\u3001\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u9760\u6027\u3002<\/strong> \u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u5982\u4f55\u5728Python\u4e2d\u6253\u5f00\u6587\u672c\u6587\u4ef6\uff0c\u5e76\u6df1\u5165\u63a2\u8ba8\u76f8\u5173\u7684\u6280\u672f\u7ec6\u8282\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528<code>open()<\/code>\u51fd\u6570\u6253\u5f00\u6587\u4ef6<\/p>\n<\/p>\n<p><p>\u4f7f\u7528Python\u5185\u7f6e\u7684<code>open()<\/code>\u51fd\u6570\u53ef\u4ee5\u8f7b\u677e\u6253\u5f00\u6587\u672c\u6587\u4ef6\u3002<code>open()<\/code>\u51fd\u6570\u6709\u4e24\u4e2a\u4e3b\u8981\u53c2\u6570\uff1a\u6587\u4ef6\u8def\u5f84\u548c\u6a21\u5f0f\u3002\u6a21\u5f0f\u53ef\u4ee5\u662f\u8bfb\u6a21\u5f0f\uff08&#39;r&#39;\uff09\u3001\u5199\u6a21\u5f0f\uff08&#39;w&#39;\uff09\u3001\u8ffd\u52a0\u6a21\u5f0f\uff08&#39;a&#39;\uff09\u7b49\u3002<\/p>\n<\/p>\n<ol>\n<li>\u8bfb\u6a21\u5f0f<\/li>\n<\/ol>\n<p><p>\u5728\u8bfb\u6a21\u5f0f\u4e0b\u6253\u5f00\u6587\u4ef6\u662f\u6700\u5e38\u89c1\u7684\u64cd\u4f5c\u4e4b\u4e00\u3002\u901a\u8fc7\u6307\u5b9a\u6a21\u5f0f\u4e3a&#39;r&#39;\uff0c\u6211\u4eec\u53ef\u4ee5\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">file = open(&#39;example.txt&#39;, &#39;r&#39;)<\/p>\n<p>content = file.read()<\/p>\n<p>print(content)<\/p>\n<p>file.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528<code>open()<\/code>\u51fd\u6570\u6253\u5f00\u4e00\u4e2a\u540d\u4e3a<code>example.txt<\/code>\u7684\u6587\u4ef6\uff0c\u5e76\u5c06\u5176\u5185\u5bb9\u8bfb\u53d6\u5230<code>content<\/code>\u53d8\u91cf\u4e2d\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528<code>close()<\/code>\u65b9\u6cd5\u5173\u95ed\u6587\u4ef6\uff0c\u8fd9\u4e00\u6b65\u975e\u5e38\u91cd\u8981\uff0c\u4ee5\u907f\u514d\u8d44\u6e90\u6cc4\u6f0f\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li>\u5199\u6a21\u5f0f<\/li>\n<\/ol>\n<p><p>\u5199\u6a21\u5f0f\u7528\u4e8e\u5411\u6587\u4ef6\u4e2d\u5199\u5165\u6570\u636e\u3002\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c<code>open()<\/code>\u51fd\u6570\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6587\u4ef6\uff1b\u5982\u679c\u6587\u4ef6\u5df2\u7ecf\u5b58\u5728\uff0c\u5219\u4f1a\u8986\u76d6\u6587\u4ef6\u7684\u5185\u5bb9\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">file = open(&#39;example.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>\u8fd9\u91cc\uff0c\u6253\u5f00\u6587\u4ef6\u6a21\u5f0f\u4e3a&#39;w&#39;\uff0c\u8868\u793a\u5199\u6a21\u5f0f\u3002\u6211\u4eec\u5411\u6587\u4ef6\u4e2d\u5199\u5165\u4e86\u5b57\u7b26\u4e32&quot;Hello, World!&quot;\u3002<\/p>\n<\/p>\n<ol start=\"3\">\n<li>\u8ffd\u52a0\u6a21\u5f0f<\/li>\n<\/ol>\n<p><p>\u8ffd\u52a0\u6a21\u5f0f\u7528\u4e8e\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u6570\u636e\uff0c\u800c\u4e0d\u8986\u76d6\u6587\u4ef6\u7684\u73b0\u6709\u5185\u5bb9\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">file = open(&#39;example.txt&#39;, &#39;a&#39;)<\/p>\n<p>file.write(&#39;\\nAppended text.&#39;)<\/p>\n<p>file.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0c\u6211\u4eec\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u4e86\u65b0\u5185\u5bb9\u201cAppended text.\u201d\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u6253\u5f00\u6587\u4ef6<\/p>\n<\/p>\n<p><p>Python\u7684<code>with<\/code>\u8bed\u53e5\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u4f18\u96c5\u7684\u65b9\u5f0f\u6765\u5904\u7406\u6587\u4ef6\u64cd\u4f5c\u3002\u5b83\u80fd\u591f\u5728\u4ee3\u7801\u5757\u6267\u884c\u5b8c\u6bd5\u540e\u81ea\u52a8\u5173\u95ed\u6587\u4ef6\uff0c\u65e0\u9700\u663e\u5f0f\u8c03\u7528<code>close()<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<ol>\n<li>\u8bfb\u6587\u4ef6<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">with open(&#39;example.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>    content = file.read()<\/p>\n<p>    print(content)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728<code>with<\/code>\u8bed\u53e5\u5757\u4e2d\uff0c\u6587\u4ef6\u4f1a\u88ab\u81ea\u52a8\u5173\u95ed\uff0c\u5373\u4f7f\u53d1\u751f\u5f02\u5e38\u4e5f\u4e0d\u4f8b\u5916\u3002\u8fd9\u79cd\u65b9\u5f0f\u66f4\u5b89\u5168\u3001\u7b80\u6d01\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li>\u5199\u6587\u4ef6<\/li>\n<\/ol>\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 with with!&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u5199\u64cd\u4f5c\u4e2d\uff0c<code>with<\/code>\u8bed\u53e5\u540c\u6837\u9002\u7528\uff0c\u786e\u4fdd\u6587\u4ef6\u64cd\u4f5c\u5b8c\u6210\u540e\u8d44\u6e90\u88ab\u6b63\u786e\u91ca\u653e\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u8bfb\u53d6\u6587\u4ef6\u7684\u5176\u4ed6\u65b9\u6cd5<\/p>\n<\/p>\n<p><p>\u9664\u4e86<code>read()<\/code>\u65b9\u6cd5\uff0cPython\u8fd8\u63d0\u4f9b\u4e86\u5176\u4ed6\u65b9\u6cd5\u6765\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u4f8b\u5982<code>readline()<\/code>\u548c<code>readlines()<\/code>\u3002<\/p>\n<\/p>\n<ol>\n<li><code>readline()<\/code>\u65b9\u6cd5<\/li>\n<\/ol>\n<p><p><code>readline()<\/code>\u65b9\u6cd5\u7528\u4e8e\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u4e00\u884c\uff1a<\/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>    print(line)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u6bcf\u6b21\u8c03\u7528<code>readline()<\/code>\u90fd\u4f1a\u8bfb\u53d6\u6587\u4ef6\u7684\u4e00\u884c\uff0c\u9002\u7528\u4e8e\u9700\u8981\u9010\u884c\u5904\u7406\u6587\u4ef6\u5185\u5bb9\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><code>readlines()<\/code>\u65b9\u6cd5<\/li>\n<\/ol>\n<p><p><code>readlines()<\/code>\u65b9\u6cd5\u5c06\u6587\u4ef6\u4e2d\u7684\u6bcf\u4e00\u884c\u4f5c\u4e3a\u5217\u8868\u7684\u4e00\u4e2a\u5143\u7d20\u8fd4\u56de\uff1a<\/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)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>readlines()<\/code>\u9002\u7528\u4e8e\u9700\u8981\u5c06\u6587\u4ef6\u5185\u5bb9\u4e00\u6b21\u6027\u8bfb\u53d6\u5230\u5185\u5b58\u4e2d\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u5904\u7406\u6587\u4ef6\u8def\u5f84<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6587\u4ef6\u8def\u5f84\u53ef\u80fd\u4e0d\u4ec5\u4ec5\u662f\u7b80\u5355\u7684\u6587\u4ef6\u540d\uff0c\u5c24\u5176\u5728\u8de8\u5e73\u53f0\u5f00\u53d1\u65f6\uff0c\u8def\u5f84\u7684\u5904\u7406\u9700\u8981\u7279\u522b\u6ce8\u610f\u3002<\/p>\n<\/p>\n<ol>\n<li>\u4f7f\u7528<code>os<\/code>\u6a21\u5757\u5904\u7406\u8def\u5f84<\/li>\n<\/ol>\n<p><p>Python\u7684<code>os<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u7ec4\u5de5\u5177\u6765\u5904\u7406\u6587\u4ef6\u8def\u5f84\uff0c\u4f7f\u4ee3\u7801\u66f4\u5177\u53ef\u79fb\u690d\u6027\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import os<\/p>\n<p>file_path = os.path.join(&#39;folder&#39;, &#39;example.txt&#39;)<\/p>\n<p>with open(file_path, &#39;r&#39;) as file:<\/p>\n<p>    content = file.read()<\/p>\n<p>    print(content)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>os.path.join()<\/code>\u80fd\u591f\u6839\u636e\u64cd\u4f5c\u7cfb\u7edf\u81ea\u52a8\u9009\u62e9\u8def\u5f84\u5206\u9694\u7b26\uff0c\u907f\u514d\u624b\u52a8\u62fc\u63a5\u8def\u5f84\u5e26\u6765\u7684\u9519\u8bef\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li>\u4f7f\u7528<code>pathlib<\/code>\u6a21\u5757<\/li>\n<\/ol>\n<p><p>\u4ecePython 3.4\u5f00\u59cb\uff0c<code>pathlib<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u79cd\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u5f0f\u6765\u5904\u7406\u6587\u4ef6\u8def\u5f84\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from pathlib import Path<\/p>\n<p>file_path = Path(&#39;folder&#39;) \/ &#39;example.txt&#39;<\/p>\n<p>with file_path.open(&#39;r&#39;) as file:<\/p>\n<p>    content = file.read()<\/p>\n<p>    print(content)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>pathlib<\/code>\u6a21\u5757\u4e0d\u4ec5\u4f7f\u8def\u5f84\u64cd\u4f5c\u66f4\u52a0\u76f4\u89c2\uff0c\u8fd8\u63d0\u4f9b\u4e86\u66f4\u4e30\u5bcc\u7684\u8def\u5f84\u64cd\u4f5c\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u5904\u7406\u4e0d\u540c\u7f16\u7801\u7684\u6587\u4ef6<\/p>\n<\/p>\n<p><p>\u5728\u5904\u7406\u6587\u672c\u6587\u4ef6\u65f6\uff0c\u6587\u4ef6\u7f16\u7801\u662f\u4e00\u4e2a\u9700\u8981\u6ce8\u610f\u7684\u95ee\u9898\u3002Python\u9ed8\u8ba4\u4f7f\u7528UTF-8\u7f16\u7801\uff0c\u4f46\u5728\u5904\u7406\u5176\u4ed6\u7f16\u7801\u683c\u5f0f\u7684\u6587\u4ef6\u65f6\uff0c\u9700\u8981\u663e\u5f0f\u6307\u5b9a\u7f16\u7801\u3002<\/p>\n<\/p>\n<ol>\n<li>\u8bfb\u53d6\u4e0d\u540c\u7f16\u7801\u7684\u6587\u4ef6<\/li>\n<\/ol>\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>    content = file.read()<\/p>\n<p>    print(content)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728<code>open()<\/code>\u51fd\u6570\u4e2d\u901a\u8fc7\u6307\u5b9a<code>encoding<\/code>\u53c2\u6570\uff0c\u53ef\u4ee5\u5904\u7406\u4e0d\u540c\u7f16\u7801\u7684\u6587\u4ef6\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li>\u5199\u5165\u4e0d\u540c\u7f16\u7801\u7684\u6587\u4ef6<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">with open(&#39;example.txt&#39;, &#39;w&#39;, encoding=&#39;utf-8&#39;) as file:<\/p>\n<p>    file.write(&#39;\u8fd9\u662f\u4e00\u4e9b\u4e2d\u6587\u5b57\u7b26\u3002&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u540c\u6837\uff0c\u5728\u5199\u5165\u6587\u4ef6\u65f6\u4e5f\u53ef\u4ee5\u6307\u5b9a\u7f16\u7801\uff0c\u4ee5\u786e\u4fdd\u6587\u4ef6\u7684\u6b63\u786e\u6027\u3002<\/p>\n<\/p>\n<p><p>\u516d\u3001\u5904\u7406\u5927\u6587\u4ef6<\/p>\n<\/p>\n<p><p>\u5bf9\u4e8e\u975e\u5e38\u5927\u7684\u6587\u4ef6\uff0c\u76f4\u63a5\u5c06\u6587\u4ef6\u5185\u5bb9\u8bfb\u5165\u5185\u5b58\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5185\u5b58\u4e0d\u8db3\u3002\u6b64\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u9010\u884c\u8bfb\u53d6\u7684\u65b9\u5f0f\u6765\u5904\u7406\u3002<\/p>\n<\/p>\n<ol>\n<li>\u4f7f\u7528<code>for<\/code>\u5faa\u73af\u9010\u884c\u8bfb\u53d6<\/li>\n<\/ol>\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)  # \u81ea\u5b9a\u4e49\u7684\u5904\u7406\u51fd\u6570<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u907f\u514d\u4e86\u5c06\u6574\u4e2a\u6587\u4ef6\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li>\u4f7f\u7528\u751f\u6210\u5668<\/li>\n<\/ol>\n<p><p>\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u5668\u6765\u5904\u7406\u5927\u6587\u4ef6\uff1a<\/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>        while True:<\/p>\n<p>            line = file.readline()<\/p>\n<p>            if not line:<\/p>\n<p>                break<\/p>\n<p>            yield line<\/p>\n<p>for line in read_large_file(&#39;large_file.txt&#39;):<\/p>\n<p>    process(line)  # \u81ea\u5b9a\u4e49\u7684\u5904\u7406\u51fd\u6570<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u751f\u6210\u5668\u63d0\u4f9b\u4e86\u4e00\u79cd\u60f0\u6027\u8bc4\u4f30\u7684\u65b9\u5f0f\u6765\u5904\u7406\u6587\u4ef6\uff0c\u8282\u7701\u5185\u5b58\u3002<\/p>\n<\/p>\n<p><p>\u4e03\u3001\u603b\u7ed3<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\u6253\u5f00\u6587\u672c\u6587\u4ef6\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u80fd\u591f\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6548\u7387\u3002\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u548c<code>open()<\/code>\u51fd\u6570\u7ed3\u5408\u7684\u65b9\u5f0f\u662f\u63a8\u8350\u7684\u6700\u4f73\u5b9e\u8df5\u3002\u6b64\u5916\uff0c\u5904\u7406\u6587\u4ef6\u8def\u5f84\u3001\u7f16\u7801\u548c\u5927\u6587\u4ef6\u65f6\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u7b56\u7565\uff0c\u4ee5\u786e\u4fdd\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u6027\u80fd\u3002\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5904\u7406\u5404\u79cd\u6587\u672c\u6587\u4ef6\u64cd\u4f5c\u9700\u6c42\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\u7684\u5185\u5bb9\uff1f<\/strong><br \/>\u8981\u5728Python\u4e2d\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684<code>open()<\/code>\u51fd\u6570\u914d\u5408<code>read()<\/code>\u6216<code>readlines()<\/code>\u65b9\u6cd5\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">with open(&#39;\u6587\u4ef6\u540d.txt&#39;, &#39;r&#39;, encoding=&#39;utf-8&#39;) as file:\n    content = file.read()  # \u8bfb\u53d6\u6574\u4e2a\u6587\u4ef6\u5185\u5bb9\n    # \u6216\u8005\u4f7f\u7528 readlines() \u9010\u884c\u8bfb\u53d6\n    # lines = file.readlines()\n<\/code><\/pre>\n<p>\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u53ef\u4ee5\u786e\u4fdd\u6587\u4ef6\u5728\u64cd\u4f5c\u5b8c\u6210\u540e\u81ea\u52a8\u5173\u95ed\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u9732\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u6253\u5f00\u6587\u672c\u6587\u4ef6\u65f6\u9700\u8981\u6ce8\u610f\u54ea\u4e9b\u7f16\u7801\u95ee\u9898\uff1f<\/strong><br \/>\u5728\u6253\u5f00\u6587\u672c\u6587\u4ef6\u65f6\uff0c\u9009\u62e9\u6b63\u786e\u7684\u7f16\u7801\u683c\u5f0f\u975e\u5e38\u91cd\u8981\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cPython\u4f1a\u4f7f\u7528\u7cfb\u7edf\u9ed8\u8ba4\u7f16\u7801\uff0c\u4f46\u5982\u679c\u6587\u4ef6\u4f7f\u7528\u4e86\u4e0d\u540c\u7684\u7f16\u7801\uff0c\u6bd4\u5982UTF-8\u6216ISO-8859-1\uff0c\u53ef\u4ee5\u901a\u8fc7<code>encoding<\/code>\u53c2\u6570\u663e\u5f0f\u6307\u5b9a\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-python\">with open(&#39;\u6587\u4ef6\u540d.txt&#39;, &#39;r&#39;, encoding=&#39;utf-8&#39;) as file:\n    content = file.read()\n<\/code><\/pre>\n<p>\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u56e0\u7f16\u7801\u4e0d\u5339\u914d\u800c\u5bfc\u81f4\u7684\u9519\u8bef\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u5199\u5165\u6587\u672c\u6587\u4ef6\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>open()<\/code>\u51fd\u6570\u4ee5\u5199\u5165\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u4f7f\u7528<code>write()<\/code>\u65b9\u6cd5\u5c06\u5185\u5bb9\u5199\u5165\u6587\u4ef6\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">with open(&#39;\u6587\u4ef6\u540d.txt&#39;, &#39;w&#39;, encoding=&#39;utf-8&#39;) as file:\n    file.write(&#39;\u8fd9\u662f\u5199\u5165\u7684\u5185\u5bb9\u3002\\n&#39;)\n<\/code><\/pre>\n<p>\u4f7f\u7528<code>&#39;w&#39;<\/code>\u6a21\u5f0f\u4f1a\u8986\u76d6\u539f\u6709\u5185\u5bb9\uff0c\u82e5\u60f3\u5728\u6587\u4ef6\u672b\u5c3e\u8ffd\u52a0\u5185\u5bb9\uff0c\u53ef\u4ee5\u4f7f\u7528<code>&#39;a&#39;<\/code>\u6a21\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u6253\u5f00\u6587\u672c\u6587\u4ef6\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u7684open()\u51fd\u6570\u3001\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff08with\u8bed\u53e5\uff09\u4ee5\u53ca\u7b2c\u4e09 [&hellip;]","protected":false},"author":3,"featured_media":983642,"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\/983640"}],"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=983640"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/983640\/revisions"}],"predecessor-version":[{"id":983643,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/983640\/revisions\/983643"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/983642"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=983640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=983640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=983640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}