{"id":5374,"date":"2022-04-02T20:37:29","date_gmt":"2022-04-02T12:37:29","guid":{"rendered":"https:\/\/egonlin.com\/?p=5374"},"modified":"2022-04-02T20:37:29","modified_gmt":"2022-04-02T12:37:29","slug":"07-01-%e6%96%87%e4%bb%b6%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=5374","title":{"rendered":"07-01 \u6587\u4ef6\u64cd\u4f5c"},"content":{"rendered":"<h1>\u4e00\u3001\u6982\u8ff0<\/h1>\n<ul>\n<li>\u6587\u4ef6\u7684\u7c7b\u578b<\/li>\n<li>\u6587\u4ef6\u7684\u6253\u5f00\u548c\u5173\u95ed<\/li>\n<li>\u6587\u4ef6\u5185\u5bb9\u7684\u8bfb\u53d6<\/li>\n<li>\u6570\u636e\u7684\u6587\u4ef6\u5199\u5165<\/li>\n<\/ul>\n<h1>\u4e8c\u3001\u6587\u4ef6\u7684\u7c7b\u578b<\/h1>\n<h2>2.1 \u6587\u4ef6\u7684\u7406\u89e3<\/h2>\n<p>\u6587\u4ef6\u662f\u6570\u636e\u7684\u62bd\u8c61\u548c\u96c6\u5408<\/p>\n<ul>\n<li>\u6587\u4ef6\u662f\u5b58\u50a8\u5728\u8f85\u52a9\u5b58\u50a8\u5668\u4e0a\u7684\u6570\u636e\u5e8f\u5217<\/li>\n<li>\u6587\u4ef6\u662f\u6570\u636e\u5b58\u50a8\u7684\u4e00\u79cd\u5f62\u5f0f<\/li>\n<li>\u6587\u4ef6\u5c55\u73b0\u5f62\u6001\uff1a\u6587\u672c\u6587\u4ef6\u548c\u4e8c\u8fdb\u5236\u6587\u4ef6<\/li>\n<\/ul>\n<p>\u6587\u672c\u6587\u4ef6 vs. \u4e8c\u8fdb\u5236\u6587\u4ef6<\/p>\n<ul>\n<li>\u6587\u4ef6\u6587\u4ef6\u548c\u4e8c\u8fdb\u5236\u6587\u4ef6\u53ea\u662f\u6587\u4ef6\u7684\u5c55\u793a\u65b9\u5f0f<\/li>\n<li>\u672c\u8d28\u4e0a\uff0c\u6240\u6709\u6587\u4ef6\u90fd\u662f\u4e8c\u8fdb\u5236\u5f62\u5f0f\u5b58\u50a8<\/li>\n<li>\u5f62\u5f0f\u4e0a\uff0c\u6240\u6709\u6587\u4ef6\u91c7\u7528\u4e24\u79cd\u65b9\u5f0f\u5c55\u793a<\/li>\n<\/ul>\n<h2>2.2 \u6587\u672c\u6587\u4ef6<\/h2>\n<p>\u6587\u4ef6\u662f\u6570\u636e\u7684\u62bd\u8c61\u548c\u96c6\u5408<\/p>\n<ul>\n<li>\u7531\u5355\u4e00\u7279\u5b9a\u7f16\u7801\u7ec4\u6210\u7684\u6587\u4ef6\uff0c\u5982UTF-8\u7f16\u7801<\/li>\n<li>\u7531\u4e8e\u5b58\u5728\u7f16\u7801\uff0c\u4e5f\u88ab\u770b\u6210\u662f\u5b58\u50a8\u7740\u7684\u957f\u5b57\u7b26\u4e32<\/li>\n<li>\u9002\u7528\u4e8e\u4f8b\u5982\uff1a.txt\u6587\u4ef6\u3001.py\u6587\u4ef6\u7b49<\/li>\n<\/ul>\n<h2>2.3 \u4e8c\u8fdb\u5236\u6587\u4ef6<\/h2>\n<p>\u6587\u4ef6\u662f\u6570\u636e\u7684\u62bd\u8c61\u548c\u96c6\u5408<\/p>\n<ul>\n<li>\u76f4\u63a5\u7531\u6bd4\u72790\u548c1\u7ec4\u6210\uff0c\u6ca1\u6709\u7edf\u4e00\u5b57\u7b26\u7f16\u7801<\/li>\n<li>\u4e00\u822c\u5b58\u5728\u4e8c\u8fdb\u52360\u548c1\u7684\u7ec4\u7ec7\u7ed3\u6784\uff0c\u5373\u6587\u4ef6\u683c\u5f0f<\/li>\n<li>\u9002\u7528\u4e8e\u4f8b\u5982\uff1a.png\u6587\u4ef6\u3001.avi\u6587\u4ef6\u7b49<\/li>\n<\/ul>\n<h2>2.4 \u6587\u672c\u6587\u4ef6 vs. \u4e8c\u8fdb\u5236\u6587\u4ef6<\/h2>\n<p>&quot;\u4e2d\u56fd\u662f\u4e2a\u4f1f\u5927\u7684\u56fd\u5bb6!&quot;<\/p>\n<ul>\n<li>\u6587\u672c\u5f62\u5f0f\uff1a<code>\u4e2d\u56fd\u662f\u4e2a\u4f1f\u5927\u7684\u56fd\u5bb6!<\/code><\/li>\n<li>\u4e8c\u8fdb\u5236\u5f62\u5f0f\uff1a<code>b&#039;\\xd6\\xd0\\xb9\\xfa\\xca\\xc7\\xb8\\xf6\\xce\\xb0\\xb4\\xf3\\xb5\\xc4\\xb9\\xfa\\xbc\\xd2\\xa3\\xa1&#039;<\/code><\/li>\n<\/ul>\n<h2>2.5 f.txt\u6587\u4ef6\u4fdd\u5b58<\/h2>\n<p>f.txt\u6587\u4ef6\u4fdd\u5b58: &quot;\u4e2d\u56fd\u662f\u4e2a\u4f1f\u5927\u7684\u56fd\u5bb6!&quot;<\/p>\n<pre><code class=\"language-python\"># \u6587\u672c\u5f62\u5f0f\u6253\u5f00\u6587\u4ef6\ntf = open(&quot;f.txt&quot;, &quot;rt&quot;)\nprint(tf.readline())\ntf.close()\n# \u4e8c\u8fdb\u5236\u5f62\u5f0f\u6253\u5f00\u6587\u4ef6\nbf = open(&quot;f.txt&quot;, &quot;rb&quot;) \nprint(bf.readline()) \nbf.close()<\/code><\/pre>\n<h1>\u4e09\u3001\u6587\u4ef6\u7684\u6253\u5f00\u548c\u5173\u95ed<\/h1>\n<h2>3.1 \u6587\u4ef6\u7684\u6253\u5f00\u5173\u95ed<\/h2>\n<p>\u6587\u4ef6\u5904\u7406\u7684\u6b65\u9aa4: \u6253\u5f00-\u64cd\u4f5c-\u5173\u95ed<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u6587\u4ef6\u64cd\u4f5c-1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u6587\u4ef6\u64cd\u4f5c-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<pre><code class=\"language-python\"># \u8bfb\u6587\u4ef6\na.read(size)\na.readline(size)\na.readlines(hint)\n# \u5199\u6587\u4ef6\na.write(s)\na.writelines(lines)\na.seek(offset)<\/code><\/pre>\n<h2>3.2 \u6587\u4ef6\u7684\u6253\u5f00<\/h2>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u6587\u4ef6\u64cd\u4f5c-2.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u6587\u4ef6\u64cd\u4f5c-2.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h2>3.3 \u6587\u4ef6\u8def\u5f84<\/h2>\n<p>\u6587\u4ef6\u8def\u5f84\u548c\u540d\u79f0\uff1a&quot;D:\/PYE\/f.txt&quot; \u6216 &quot;D:\\PYE\\f.txt&quot;<\/p>\n<p>\u6e90\u6587\u4ef6\u540c\u76ee\u5f55\u53ef\u7701\u8def\u5f84\uff1a&quot;.\/PYE\/f.txt&quot; \u6216 &quot;f.txt&quot;<\/p>\n<h2>3.4 \u6253\u5f00\u6a21\u5f0f<\/h2>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center;\">\u6587\u4ef6\u7684\u6253\u5f00\u6a21\u5f0f<\/th>\n<th style=\"text-align: center;\">\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">&#8216;r&#8217;<\/td>\n<td style=\"text-align: center;\">\u53ea\u8bfb\u6a21\u5f0f\uff0c\u9ed8\u8ba4\u503c\uff0c\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u8fd4\u56deFileNotFoundError<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">&#8216;w&#8217;<\/td>\n<td style=\"text-align: center;\">\u8986\u76d6\u5199\u6a21\u5f0f\uff0c\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa\uff0c\u5b58\u5728\u5219\u5b8c\u5168\u8986\u76d6<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">&#8216;x&#8217;<\/td>\n<td style=\"text-align: center;\">\u521b\u5efa\u5199\u6a21\u5f0f\uff0c\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa\uff0c\u5b58\u5728\u5219\u8fd4\u56deFileExistsError<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">&#8216;a&#8217;<\/td>\n<td style=\"text-align: center;\">\u8ffd\u52a0\u5199\u6a21\u5f0f\uff0c\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa\uff0c\u5b58\u5728\u5219\u5728\u6587\u4ef6\u6700\u540e\u8ffd\u52a0\u5185\u5bb9<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">&#8216;b&#8217;<\/td>\n<td style=\"text-align: center;\">\u4e8c\u8fdb\u5236\u6587\u4ef6\u6a21\u5f0f<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">&#8216;t&#8217;<\/td>\n<td style=\"text-align: center;\">\u6587\u672c\u6587\u4ef6\u6a21\u5f0f\uff0c\u9ed8\u8ba4\u503c<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">&#8216;+&#8217;<\/td>\n<td style=\"text-align: center;\">\u4e0er\/w\/x\/a\u4e00\u540c\u4f7f\u7528\uff0c\u5728\u539f\u529f\u80fd\u57fa\u7840\u4e0a\u589e\u52a0\u540c\u65f6\u8bfb\u5199\u529f\u80fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>\u6587\u672c\u5f62\u5f0f\u3001\u53ea\u8bfb\u6a21\u5f0f\u3001\u9ed8\u8ba4\u503c\uff1a<code>f = open(&quot;f.txt&quot;)<\/code><\/li>\n<li>\u6587\u672c\u5f62\u5f0f\u3001\u53ea\u8bfb\u6a21\u5f0f\u3001\u540c\u9ed8\u8ba4\u503c\uff1a<code>f = open(&quot;f.txt&quot;, &quot;rt&quot;)<\/code><\/li>\n<li>\u6587\u672c\u5f62\u5f0f\u3001\u8986\u76d6\u5199\u6a21\u5f0f\uff1a<code>f = open(&quot;f.txt&quot;, &quot;w&quot;)<\/code><\/li>\n<li>\u6587\u672c\u5f62\u5f0f\u3001\u8ffd\u52a0\u5199\u6a21\u5f0f+ \u8bfb\u6587\u4ef6\uff1a<code>f = open(&quot;f.txt&quot;, &quot;a+&quot;)<\/code><\/li>\n<li>\u6587\u672c\u5f62\u5f0f\u3001\u521b\u5efa\u5199\u6a21\u5f0f\uff1a<code>f = open(&quot;f.txt&quot;, &quot;x&quot;)<\/code><\/li>\n<li>\u4e8c\u8fdb\u5236\u5f62\u5f0f\u3001\u53ea\u8bfb\u6a21\u5f0f\uff1a<code>f = open(&quot;f.txt&quot;, &quot;b&quot;)<\/code><\/li>\n<li>\u4e8c\u8fdb\u5236\u5f62\u5f0f\u3001\u8986\u76d6\u5199\u6a21\u5f0f\uff1a<code>f = open(&quot;f.txt&quot;)\uff1af = open(&quot;f.txt&quot;, &quot;wb&quot;)<\/code><\/li>\n<\/ul>\n<h2>3.5 \u6587\u4ef6\u7684\u5173\u95ed<\/h2>\n<p><code>&lt;\u53d8\u91cf\u540d&gt;.close()<\/code> # \u53d8\u91cf\u540d\u4e3a\u6587\u4ef6\u53e5\u67c4<\/p>\n<h2>3.6 \u6587\u4ef6\u4f7f\u7528<\/h2>\n<pre><code class=\"language-python\"># \u6587\u672c\u5f62\u5f0f\u6253\u5f00\u6587\u4ef6\ntf = open(&quot;f.txt&quot;, &quot;rt&quot;)\nprint(tf.readline()) \ntf.close()\n# \u4e8c\u8fdb\u5236\u5f62\u5f0f\u6253\u5f00\u6587\u4ef6\nbf = open(&quot;f.txt&quot;, &quot;rb&quot;)\nprint(bf.readline()) \nbf.close()<\/code><\/pre>\n<h1>\u56db\u3001\u6587\u4ef6\u5185\u5bb9\u7684\u8bfb\u53d6<\/h1>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center;\">\u64cd\u4f5c\u65b9\u6cd5<\/th>\n<th style=\"text-align: center;\">\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><f>.read(size=-1)<\/td>\n<td style=\"text-align: center;\">\u8bfb\u5165\u5168\u90e8\u5185\u5bb9\uff0c\u5982\u679c\u7ed9\u51fa\u53c2\u6570\uff0c\u8bfb\u5165\u524dsize\u957f\u5ea6\uff0c<code>s = f.read(2) # \u4e2d\u56fd<\/code><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><f>.readline(size=-1)<\/td>\n<td style=\"text-align: center;\">\u8bfb\u5165\u4e00\u884c\u5185\u5bb9\uff0c\u5982\u679c\u7ed9\u51fa\u53c2\u6570\uff0c\u8bfb\u5165\u8be5\u884c\u524dsize\u957f\u5ea6\uff0c<code>s = f.readline() # \u4e2d\u56fd\u662f\u4e00\u4e2a\u4f1f\u5927\u7684\u56fd\u5bb6\uff01<\/code><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><f>.readlines(hint=-1)<\/td>\n<td style=\"text-align: center;\">\u8bfb\u5165\u6587\u4ef6\u6240\u6709\u884c\uff0c\u4ee5\u6bcf\u884c\u4e3a\u5143\u7d20\u5f62\u6210\u5217\u8868\u5982\u679c\u7ed9\u51fa\u53c2\u6570\uff0c\u8bfb\u5165\u524dhint\u884c\uff0c<code>s = f.readlines() # [&#039;\u4e2d\u56fd\u662f\u4e00\u4e2a\u4f1f\u5927\u7684\u56fd\u5bb6\uff01&#039;]<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>4.1 \u6587\u4ef6\u7684\u5168\u6587\u672c\u64cd\u4f5c<\/h2>\n<h3>4.1.1 \u904d\u5386\u5168\u6587\u672c\uff1a\u65b9\u6cd5\u4e00<\/h3>\n<p>\u4e00\u6b21\u8bfb\u5165\uff0c\u7edf\u4e00\u5904\u7406<\/p>\n<pre><code class=\"language-python\">fname = input(&quot;\u8bf7\u8f93\u5165\u8981\u6253\u5f00\u7684\u6587\u4ef6\u540d\u79f0:&quot;) \nfo = open(fname,&quot;r&quot;)\ntxt = fo.read()\n# \u5bf9\u5168\u6587txt\u8fdb\u884c\u5904\u7406\nfo.close()<\/code><\/pre>\n<h3>4.1.2 \u904d\u5386\u5168\u6587\u672c\uff1a\u65b9\u6cd5\u4e8c<\/h3>\n<p>\u6309\u6570\u91cf\u8bfb\u5165\uff0c\u9010\u6b65\u5904\u7406<\/p>\n<pre><code class=\"language-python\">fname = input(&quot;\u8bf7\u8f93\u5165\u8981\u6253\u5f00\u7684\u6587\u4ef6\u540d\u79f0:&quot;)\nfo = open(fname,&quot;r&quot;)\ntxt = fo.read(2)\nwhile txt != &quot;&quot;:\n    # \u5bf9txt\u8fdb\u884c\u5904\u7406\n    txt = fo.read(2)\n\nfo.close()<\/code><\/pre>\n<h2>4.2 \u6587\u4ef6\u7684\u9010\u884c\u64cd\u4f5c<\/h2>\n<h3>4.2.1 \u9010\u884c\u904d\u5386\u6587\u4ef6\uff1a\u65b9\u6cd5\u4e00<\/h3>\n<p>\u4e00\u6b21\u8bfb\u5165\uff0c\u5206\u884c\u5904\u7406<\/p>\n<pre><code class=\"language-python\">fname = input(&quot;\u8bf7\u8f93\u5165\u8981\u6253\u5f00\u7684\u6587\u4ef6\u540d\u79f0:&quot;)\nfo = open(fname,&quot;r&quot;)\nfor line in fo.readlines():\n    print(line) \nfo.close()<\/code><\/pre>\n<h3>4.2.2 \u9010\u884c\u904d\u5386\u6587\u4ef6\uff1a\u65b9\u6cd5\u4e8c<\/h3>\n<p>\u5206\u884c\u8bfb\u5165\uff0c\u9010\u884c\u5904\u7406<\/p>\n<pre><code class=\"language-python\">fname = input(&quot;\u8bf7\u8f93\u5165\u8981\u6253\u5f00\u7684\u6587\u4ef6\u540d\u79f0:&quot;)\nfo = open(fname,&quot;r&quot;)\nfor line in fo:\n    print(line)\nfo.close()<\/code><\/pre>\n<h1>\u4e94\u3001\u6570\u636e\u7684\u6587\u4ef6\u5199\u5165<\/h1>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center;\">\u64cd\u4f5c\u65b9\u6cd5<\/th>\n<th style=\"text-align: center;\">\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><f>.write(s)<\/td>\n<td style=\"text-align: center;\">\u5411\u6587\u4ef6\u5199\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\u6216\u5b57\u8282\u6d41\uff0c<code>f.write(&quot;\u4e2d\u56fd\u662f\u4e00\u4e2a\u4f1f\u5927\u7684\u56fd\u5bb6!&quot;)<\/code><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><f>.writelines(lines)<\/td>\n<td style=\"text-align: center;\">\u5c06\u4e00\u4e2a\u5143\u7d20\u5168\u4e3a\u5b57\u7b26\u4e32\u7684\u5217\u8868\u5199\u5165\u6587\u4ef6\uff0c<code>ls = [&quot;\u4e2d\u56fd&quot;, &quot;\u6cd5\u56fd&quot;, &quot;\u7f8e\u56fd&quot;];f.writelines(ls) # \u4e2d\u56fd\u6cd5\u56fd\u7f8e\u56fd<\/code><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><f>.seek(offset)<\/td>\n<td style=\"text-align: center;\">\u6539\u53d8\u5f53\u524d\u6587\u4ef6\u64cd\u4f5c\u6307\u9488\u7684\u4f4d\u7f6e\uff0coffset\u542b\u4e49\u5982\u4e0b\uff1a 0 \u2013 \u6587\u4ef6\u5f00\u5934\uff1b 1 \u2013 \u5f53\u524d\u4f4d\u7f6e\uff1b 2 \u2013 \u6587\u4ef6\u7ed3\u5c3e\uff0c<code>f.seek(0) # \u56de\u5230\u6587\u4ef6\u5f00\u5934<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5199\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868<\/p>\n<pre><code class=\"language-python\">fo = open(&quot;output.txt&quot;,&quot;w+&quot;) \nls = [&quot;\u4e2d\u56fd&quot;, &quot;\u6cd5\u56fd&quot;, &quot;\u7f8e\u56fd&quot;]\nfo.writelines(ls) \nfor line in fo:\n    print(line)  # (\u6ca1\u6709\u4efb\u4f55\u8f93\u51fa)\nfo.close()<\/code><\/pre>\n<p>\u5199\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868<\/p>\n<pre><code class=\"language-python\">fo = open(&quot;output.txt&quot;,&quot;w+&quot;)\nls = [&quot;\u4e2d\u56fd&quot;, &quot;\u6cd5\u56fd&quot;, &quot;\u7f8e\u56fd&quot;] \nfo.writelines(ls)\nfo.seek(0)\nfor line in fo:\n    print(line)  # \u4e2d\u56fd\u6cd5\u56fd\u7f8e\u56fd\nfo.close()<\/code><\/pre>\n<h1>\u516d\u3001\u5355\u5143\u5c0f\u7ed3<\/h1>\n<ul>\n<li>\u6587\u4ef6\u7684\u4f7f\u7528\u65b9\u5f0f\uff1a\u6253\u5f00-\u64cd\u4f5c-\u5173\u95ed<\/li>\n<li>\u6587\u672c\u6587\u4ef6&amp;\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0copen( , )\u548c.close()<\/li>\n<li>\u6587\u4ef6\u5185\u5bb9\u7684\u8bfb\u53d6\uff1a.read() .readline() .readlines()<\/li>\n<li>\u6570\u636e\u7684\u6587\u4ef6\u5199\u5165\uff1a.write() .writelines() .seek()<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u6982\u8ff0 \u6587\u4ef6\u7684\u7c7b\u578b \u6587\u4ef6\u7684\u6253\u5f00\u548c\u5173\u95ed \u6587\u4ef6\u5185\u5bb9\u7684\u8bfb\u53d6 \u6570\u636e\u7684\u6587\u4ef6\u5199\u5165 \u4e8c\u3001\u6587\u4ef6\u7684\u7c7b\u578b 2.1 \u6587\u4ef6\u7684\u7406\u89e3 \u6587 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5375,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[371,384],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5374"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5374"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5374\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/5375"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}