{"id":183864,"date":"2024-11-10T08:22:18","date_gmt":"2024-11-10T00:22:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183864\/"},"modified":"2024-11-10T08:22:20","modified_gmt":"2024-11-10T00:22:20","slug":"%e4%bd%bf%e7%94%a8mysql_fetch_array%e5%87%bd%e6%95%b8%e5%88%a4%e6%96%b7mysql%e8%a1%a8%e5%96%ae%e6%98%af%e5%90%a6%e7%82%ba%e7%a9%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183864\/","title":{"rendered":"\u4f7f\u7528mysql_fetch_array()\u51fd\u6578\u5224\u65b7mysql\u8868\u55ae\u662f\u5426\u70ba\u7a7a"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8mysql_fetch_array%e5%87%bd%e6%95%b8%e5%88%a4%e6%96%b7mysql%e8%a1%a8%e5%96%ae%e6%98%af%e5%90%a6%e7%82%ba%e7%a9%ba-QxIIZpsmlz\">\u4f7f\u7528mysql_fetch_array()\u51fd\u6578\u5224\u65b7MySQL\u8868\u55ae\u662f\u5426\u70ba\u7a7a<\/h1>\n<p>\u5728\u958b\u767cWeb\u61c9\u7528\u7a0b\u5f0f\u6642\uff0c\u8207\u8cc7\u6599\u5eab\u7684\u4e92\u52d5\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002MySQL\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u51fd\u6578\u4f86\u64cd\u4f5c\u548c\u6aa2\u7d22\u8cc7\u6599\u3002\u5176\u4e2d\uff0c<code>mysql_fetch_array()<\/code>\u51fd\u6578\u662f\u4e00\u500b\u5e38\u7528\u7684\u51fd\u6578\uff0c\u7528\u65bc\u5f9e\u67e5\u8a62\u7d50\u679c\u4e2d\u7372\u53d6\u8cc7\u6599\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528<code>mysql_fetch_array()<\/code>\u51fd\u6578\u4f86\u5224\u65b7MySQL\u8868\u55ae\u662f\u5426\u70ba\u7a7a\u3002<\/p>\n<h2 id=\"mysql_fetch_array%e5%87%bd%e6%95%b8%e6%a6%82%e8%bf%b0-QxIIZpsmlz\">mysql_fetch_array()\u51fd\u6578\u6982\u8ff0<\/h2>\n<p><code>mysql_fetch_array()<\/code>\u51fd\u6578\u7684\u4e3b\u8981\u529f\u80fd\u662f\u5f9e\u7d50\u679c\u96c6\u4e2d\u7372\u53d6\u4e00\u884c\u8cc7\u6599\uff0c\u4e26\u5c07\u5176\u4f5c\u70ba\u4e00\u500b\u95dc\u806f\u6578\u7d44\u6216\u6578\u5b57\u7d22\u5f15\u6578\u7d44\u8fd4\u56de\u3002\u9019\u500b\u51fd\u6578\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>array mysql_fetch_array ( resource $result [, int $result_type = MYSQL_BOTH ] )<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>$result<\/code>\u662f\u7531<code>mysql_query()<\/code>\u51fd\u6578\u8fd4\u56de\u7684\u67e5\u8a62\u7d50\u679c\uff0c\u800c<code>$result_type<\/code>\u5247\u6307\u5b9a\u8fd4\u56de\u6578\u7d44\u7684\u985e\u578b\uff0c\u53ef\u4ee5\u662f\uff1a<\/p>\n<ul>\n<li><code>MYSQL_ASSOC<\/code>\uff1a\u8fd4\u56de\u95dc\u806f\u6578\u7d44<\/li>\n<li><code>MYSQL_NUM<\/code>\uff1a\u8fd4\u56de\u6578\u5b57\u7d22\u5f15\u6578\u7d44<\/li>\n<li><code>MYSQL_BOTH<\/code>\uff1a\u540c\u6642\u8fd4\u56de\u95dc\u806f\u6578\u7d44\u548c\u6578\u5b57\u7d22\u5f15\u6578\u7d44\uff08\u9810\u8a2d\u503c\uff09<\/li>\n<\/ul>\n<h2 id=\"%e5%88%a4%e6%96%b7%e8%a1%a8%e5%96%ae%e6%98%af%e5%90%a6%e7%82%ba%e7%a9%ba-QxIIZpsmlz\">\u5224\u65b7\u8868\u55ae\u662f\u5426\u70ba\u7a7a<\/h2>\n<p>\u5728\u4f7f\u7528<code>mysql_fetch_array()<\/code>\u51fd\u6578\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u57f7\u884c\u4e00\u500b\u67e5\u8a62\u4f86\u7372\u53d6\u8cc7\u6599\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba<code>users<\/code>\u7684\u8868\u55ae\uff0c\u6211\u5011\u60f3\u8981\u6aa2\u67e5\u9019\u500b\u8868\u55ae\u662f\u5426\u70ba\u7a7a\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f1%ef%bc%9a%e5%9f%b7%e8%a1%8c%e6%9f%a5%e8%a9%a2-QxIIZpsmlz\">\u6b65\u9a5f1\uff1a\u57f7\u884c\u67e5\u8a62<\/h3>\n<pre><code>$result = mysql_query(\"SELECT * FROM users\");<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f2%ef%bc%9a%e6%aa%a2%e6%9f%a5%e6%9f%a5%e8%a9%a2%e7%b5%90%e6%9e%9c-QxIIZpsmlz\">\u6b65\u9a5f2\uff1a\u6aa2\u67e5\u67e5\u8a62\u7d50\u679c<\/h3>\n<p>\u5728\u57f7\u884c\u67e5\u8a62\u5f8c\uff0c\u6211\u5011\u9700\u8981\u6aa2\u67e5\u67e5\u8a62\u662f\u5426\u6210\u529f\uff0c\u4e26\u4e14\u7d50\u679c\u96c6\u4e2d\u662f\u5426\u6709\u8cc7\u6599\u3002\u53ef\u4ee5\u4f7f\u7528<code>mysql_num_rows()<\/code>\u51fd\u6578\u4f86\u7372\u53d6\u7d50\u679c\u96c6\u4e2d\u7684\u884c\u6578\uff1a<\/p>\n<pre><code>if (mysql_num_rows($result) == 0) {\n    echo \"\u8868\u55ae\u70ba\u7a7a\";\n} else {\n    echo \"\u8868\u55ae\u4e0d\u70ba\u7a7a\";\n}<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f3%ef%bc%9a%e4%bd%bf%e7%94%a8mysql_fetch_array%e7%8d%b2%e5%8f%96%e8%b3%87%e6%96%99-QxIIZpsmlz\">\u6b65\u9a5f3\uff1a\u4f7f\u7528mysql_fetch_array()\u7372\u53d6\u8cc7\u6599<\/h3>\n<p>\u5982\u679c\u8868\u55ae\u4e0d\u70ba\u7a7a\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528<code>mysql_fetch_array()<\/code>\u4f86\u7372\u53d6\u8cc7\u6599\uff1a<\/p>\n<pre><code>while ($row = mysql_fetch_array($result)) {\n    echo \"\u7528\u6236\u540d: \" . $row['username'] . \"<br>\";\n}<\/code><\/pre>\n<h2 id=\"%e5%ae%8c%e6%95%b4%e7%af%84%e4%be%8b-QxIIZpsmlz\">\u5b8c\u6574\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5b8c\u6574\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528<code>mysql_fetch_array()<\/code>\u51fd\u6578\u4f86\u5224\u65b7MySQL\u8868\u55ae\u662f\u5426\u70ba\u7a7a\u4e26\u7372\u53d6\u8cc7\u6599\uff1a<\/p>\n<pre><code>\n&lt;?php\n\/\/ \u9023\u63a5\u5230MySQL\u8cc7\u6599\u5eab\n$conn = mysql_connect(&quot;localhost&quot;, &quot;username&quot;, &quot;password&quot;);\nmysql_select_db(&quot;database_name&quot;, $conn);\n\n\/\/ \u57f7\u884c\u67e5\u8a62\n$result = mysql_query(&quot;SELECT * FROM users&quot;);\n\n\/\/ \u6aa2\u67e5\u67e5\u8a62\u7d50\u679c\nif (mysql_num_rows($result) == 0) {\n    echo &quot;\u8868\u55ae\u70ba\u7a7a&quot;;\n} else {\n    echo &quot;\u8868\u55ae\u4e0d\u70ba\u7a7a<br>\";\n    \/\/ \u7372\u53d6\u8cc7\u6599\n    while ($row = mysql_fetch_array($result)) {\n        echo \"\u7528\u6236\u540d: \" . $row['username'] . \"<br>\";\n    }\n}\n\n\/\/ \u95dc\u9589\u9023\u63a5\nmysql_close($conn);\n?&gt;\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-QxIIZpsmlz\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528<code>mysql_fetch_array()<\/code>\u51fd\u6578\u53ef\u4ee5\u65b9\u4fbf\u5730\u5f9eMySQL\u8cc7\u6599\u5eab\u4e2d\u7372\u53d6\u8cc7\u6599\uff0c\u4e26\u4e14\u80fd\u5920\u6709\u6548\u5730\u5224\u65b7\u8868\u55ae\u662f\u5426\u70ba\u7a7a\u3002\u96d6\u7136<code>mysql_*<\/code>\u7cfb\u5217\u51fd\u6578\u5728PHP\u4e2d\u5df2\u7d93\u88ab\u6a19\u8a18\u70ba\u904e\u6642\uff0c\u5efa\u8b70\u4f7f\u7528<code>mysqli<\/code>\u6216<code>PDO<\/code>\u4f86\u9032\u884c\u8cc7\u6599\u5eab\u64cd\u4f5c\uff0c\u4ee5\u63d0\u9ad8\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u53ca\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528mysql_fetch_array()\u51fd\u6578\u6aa2\u67e5MySQL\u8868\u55ae\u662f\u5426\u70ba\u7a7a\uff0c\u78ba\u4fdd\u6578\u64da\u67e5\u8a62\u7684\u6709\u6548\u6027\u8207\u6e96\u78ba\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-183864","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183864","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=183864"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183864\/revisions"}],"predecessor-version":[{"id":183865,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183864\/revisions\/183865"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}