{"id":47058,"date":"2024-12-02T16:34:22","date_gmt":"2024-12-02T08:34:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47058\/"},"modified":"2024-12-02T16:34:22","modified_gmt":"2024-12-02T08:34:22","slug":"%e5%a6%82%e4%bd%95%e6%89%a9%e5%b1%95-php-%e5%87%bd%e6%95%b0%e4%bb%a5%e5%a4%84%e7%90%86%e5%a4%a7%e5%9e%8b%e6%95%b0%e6%8d%ae%e9%9b%86%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47058\/","title":{"rendered":"\u5982\u4f55\u6269\u5c55 PHP \u51fd\u6570\u4ee5\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u6269\u5c55 PHP \u51fd\u6570\u4ee5\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\uff1f<\/h1>\n<p>\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u6269\u5c55 PHP \u51fd\u6570\u4ee5\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\uff1f\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p>PHP \u5185\u7f6e\u51fd\u6570\u65e0\u6cd5\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\uff0c\u53ef\u4ee5\u901a\u8fc7\u6d41\u5f0f\u5904\u7406\u6280\u672f\u6269\u5c55\u5b83\u4eec\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a\u4f7f\u7528 PHP \u6269\u5c55\u673a\u5236\u6269\u5c55\u5185\u7f6e\u51fd\u6570\u3002\u5206\u5757\u8bfb\u53d6\u548c\u5904\u7406\u6570\u636e\uff0c\u907f\u514d\u5360\u7528\u8fc7\u591a\u5185\u5b58\u3002\u4f8b\u5982\uff0c\u6269\u5c55\u540e\u7684 file_get_contents_stream() \u51fd\u6570\u4ee5\u6d41\u65b9\u5f0f\u8bfb\u53d6\u6587\u4ef6\uff0c\u9010\u884c\u5904\u7406\u5927\u578b CSV \u6587\u4ef6\u65f6\u4e0d\u4f1a\u8017\u5c3d\u5185\u5b58\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729862975671b9d3f1b0f4.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u6269\u5c55 PHP \u51fd\u6570\u4ee5\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u6269\u5c55 PHP \u51fd\u6570\u4ee5\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6269\u5c55 PHP \u51fd\u6570\u4ee5\u5904\u7406\u5927\u578b\u6570\u636e\u96c6<\/strong><\/p>\n<p>PHP \u4e2d\u7684\u5185\u7f6e\u51fd\u6570\u901a\u5e38\u65e0\u6cd5\u6709\u6548\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5185\u5b58\u8017\u5c3d\u6216\u6027\u80fd\u4e0b\u964d\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u60a8\u53ef\u4ee5\u6269\u5c55\u8fd9\u4e9b\u51fd\u6570\u4ee5\u5229\u7528\u6d41\u5f0f\u5904\u7406\u6280\u672f\u3002<\/p>\n<p><strong>\u6d41\u5f0f\u5904\u7406<\/strong><\/p>\n<p>\u6d41\u5f0f\u5904\u7406\u662f\u4e00\u79cd\u5904\u7406\u6570\u636e\u7684\u6280\u672f\uff0c\u5176\u4e2d\u6570\u636e\u88ab\u5206\u5757\u8bfb\u53d6\u548c\u5904\u7406\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002\u8fd9\u4f7f\u5f97\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u6210\u4e3a\u53ef\u80fd\uff0c\u800c\u4e0d\u9700\u8981\u8017\u5c3d\u5185\u5b58\u3002<\/p>\n<p><strong>\u6269\u5c55\u5185\u7f6e\u51fd\u6570<\/strong><\/p>\n<p>\u8981\u6269\u5c55\u5185\u7f6e\u51fd\u6570\u4ee5\u4f7f\u7528\u6d41\u5f0f\u5904\u7406\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 PHP \u7684\u6269\u5c55\u673a\u5236\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u6269\u5c55 <code>file_get_contents()<\/code> \u51fd\u6570\uff1a<\/p>\n<pre>function file_get_contents_stream($filename, $maxlen = null)\n{\n    $fh = fopen($filename, 'rb');\n    $data = '';\n    while (($maxlen === null || strlen($data) &lt; $maxlen) &amp;&amp; !feof($fh)) {\n        $data .= fread($fh, 8192);\n    }\n    fclose($fh);\n    return $data;\n}<\/pre>\n<p>\u8fd9\u4e2a\u6269\u5c55\u7248\u672c\u7684\u51fd\u6570\u4ee5\u6d41\u7684\u65b9\u5f0f\u8bfb\u53d6\u6587\u4ef6\uff0c\u4ece\u800c\u907f\u514d\u4e86\u52a0\u8f7d\u6574\u4e2a\u6587\u4ef6\u5230\u5185\u5b58\u4e2d\u7684\u95ee\u9898\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u5047\u8bbe\u60a8\u9700\u8981\u5904\u7406\u4e00\u4e2a\u5305\u542b\u6570\u767e\u4e07\u884c\u7684\u5de8\u5927 CSV \u6587\u4ef6\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u6269\u5c55\u7684 <code>file_get_contents_stream()<\/code> \u51fd\u6570\u6765\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5e76\u8fdb\u884c\u5904\u7406\uff1a<\/p>\n<pre>$filename = 'large_data.csv';\n$handle = fopen($filename, 'rb');\nwhile (($line = fgetcsv($handle)) !== FALSE) {\n    \/\/ \u5904\u7406\u6bcf\u4e00\u884c\u6570\u636e\n}\nfclose($handle);<\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528\u6d41\u5f0f\u5904\u7406\uff0c\u6b64\u4ee3\u7801\u53ef\u4ee5\u5904\u7406\u5927\u578b CSV \u6587\u4ef6\u800c\u4e0d\u4f1a\u8017\u5c3d\u5185\u5b58\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8ephp,\u5927\u578b\u6570\u636e\u96c6\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5982\u4f55\u6269\u5c55 PHP \u51fd\u6570\u4ee5\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u6269\u5c55 PHP \u51fd\u6570\u4ee5\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\uff1f \u5b66\u4e60\u6587\u7ae0\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0\u300a\u5982\u4f55\u6269\u5c55 PHP \u51fd\u6570\u4ee5\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\uff1f\u300b\u5c06\u4f1a\u4ecb\u7ecd\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60\u6587\u7ae0\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01 PHP \u5185\u7f6e\u51fd\u6570\u65e0\u6cd5\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\uff0c\u53ef\u4ee5\u901a\u8fc7\u6d41\u5f0f\u5904\u7406\u6280\u672f\u6269\u5c55\u5b83\u4eec\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a\u4f7f\u7528 PHP \u6269\u5c55\u673a\u5236\u6269\u5c55\u5185\u7f6e\u51fd\u6570\u3002\u5206\u5757\u8bfb\u53d6\u548c\u5904\u7406\u6570\u636e\uff0c\u907f\u514d\u5360\u7528\u8fc7\u591a\u5185\u5b58\u3002\u4f8b\u5982\uff0c\u6269\u5c55\u540e\u7684 file_get_contents_stream() \u51fd\u6570\u4ee5\u6d41\u65b9\u5f0f\u8bfb\u53d6\u6587\u4ef6\uff0c\u9010\u884c\u5904\u7406\u5927\u578b CSV \u6587\u4ef6\u65f6\u4e0d\u4f1a\u8017\u5c3d\u5185\u5b58\u3002 \u5982\u4f55\u6269\u5c55 PHP \u51fd\u6570\u4ee5\u5904\u7406\u5927\u578b\u6570\u636e\u96c6 PHP \u4e2d\u7684\u5185\u7f6e\u51fd\u6570\u901a\u5e38\u65e0\u6cd5\u6709\u6548\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5185\u5b58\u8017\u5c3d\u6216\u6027\u80fd\u4e0b\u964d\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u60a8\u53ef\u4ee5\u6269\u5c55\u8fd9\u4e9b\u51fd\u6570\u4ee5\u5229\u7528\u6d41\u5f0f\u5904\u7406\u6280\u672f\u3002 \u6d41\u5f0f\u5904\u7406 \u6d41\u5f0f\u5904\u7406\u662f\u4e00\u79cd\u5904\u7406\u6570\u636e\u7684\u6280\u672f\uff0c\u5176\u4e2d\u6570\u636e\u88ab\u5206\u5757\u8bfb\u53d6\u548c\u5904\u7406\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002\u8fd9\u4f7f\u5f97\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u6210\u4e3a\u53ef\u80fd\uff0c\u800c\u4e0d\u9700\u8981\u8017\u5c3d\u5185\u5b58\u3002 \u6269\u5c55\u5185\u7f6e\u51fd\u6570 \u8981\u6269\u5c55\u5185\u7f6e\u51fd\u6570\u4ee5\u4f7f\u7528\u6d41\u5f0f\u5904\u7406\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 PHP \u7684\u6269\u5c55\u673a\u5236\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u6269\u5c55 file_get_contents() \u51fd\u6570\uff1a function file_get_contents_stream($filename, $maxlen = null) { $fh = fopen($filename, &#8216;rb&#8217;); 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