{"id":196352,"date":"2024-11-13T22:29:20","date_gmt":"2024-11-13T14:29:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196352\/"},"modified":"2024-11-13T22:29:21","modified_gmt":"2024-11-13T14:29:21","slug":"%e6%94%af%e6%8c%81mysql%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8cspl%e5%8d%87%e7%b4%9a%e5%88%b03-2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196352\/","title":{"rendered":"\u652f\u6301MySQL\u6578\u64da\u5eab\uff0cSPL\u5347\u7d1a\u52303.2"},"content":{"rendered":"<h1 id=\"%e6%94%af%e6%8c%81mysql%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8cspl%e5%8d%87%e7%b4%9a%e5%88%b03-2-iDQgRmQOPz\">\u652f\u6301MySQL\u6578\u64da\u5eab\uff0cSPL\u5347\u7d1a\u52303.2<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u9078\u64c7\u548c\u7ba1\u7406\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u81f3\u95dc\u91cd\u8981\u3002MySQL\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0cMySQL\u7684\u7248\u672c\u4e0d\u65b7\u66f4\u65b0\uff0c\u6700\u8fd1\u7684SPL\uff08Standard PHP Library\uff09\u5347\u7d1a\u52303.2\uff0c\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u529f\u80fd\u548c\u6539\u9032\u3002\u672c\u6587\u5c07\u63a2\u8a0eMySQL\u6578\u64da\u5eab\u7684\u652f\u6301\u60c5\u6cc1\u4ee5\u53caSPL 3.2\u7684\u5347\u7d1a\u5167\u5bb9\u3002<\/p>\n<h2 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a6%82%e8%bf%b0-iDQgRmQOPz\">MySQL\u6578\u64da\u5eab\u6982\u8ff0<\/h2>\n<p>MySQL\u662f\u4e00\u7a2e\u95dc\u806f\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u4f7f\u7528\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff08SQL\uff09\u4f86\u9032\u884c\u6578\u64da\u7684\u5b58\u53d6\u548c\u7ba1\u7406\u3002\u5b83\u7684\u9ad8\u6027\u80fd\u3001\u53ef\u9760\u6027\u548c\u6613\u7528\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u3002MySQL\u652f\u6301\u591a\u7a2e\u64cd\u4f5c\u7cfb\u7d71\uff0c\u5305\u62ecLinux\u3001Windows\u548cmacOS\uff0c\u4e26\u4e14\u53ef\u4ee5\u8207\u591a\u7a2e\u7de8\u7a0b\u8a9e\u8a00\uff08\u5982PHP\u3001Python\u3001Java\u7b49\uff09\u7121\u7e2b\u96c6\u6210\u3002<\/p>\n<h2 id=\"spl-3-2%e7%9a%84%e4%b8%bb%e8%a6%81%e7%89%b9%e6%80%a7-iDQgRmQOPz\">SPL 3.2\u7684\u4e3b\u8981\u7279\u6027<\/h2>\n<p>SPL 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3.2\u63d0\u4f9b\u4e86\u66f4\u8a73\u7d30\u7684\u932f\u8aa4\u4fe1\u606f\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u5feb\u5730\u5b9a\u4f4d\u548c\u4fee\u5fa9\u554f\u984c\u3002<\/li>\n<li><strong>\u66f4\u597d\u7684\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u901a\u904e\u5c0d\u5167\u90e8\u7b97\u6cd5\u7684\u512a\u5316\uff0cSPL 3.2\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u8868\u73fe\u51fa\u8272\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u3002<\/li>\n<li><strong>\u652f\u6301\u65b0\u7248\u672c\u7684PHP\uff1a<\/strong>SPL 3.2\u5b8c\u5168\u517c\u5bb9\u6700\u65b0\u7248\u672c\u7684PHP\uff0c\u78ba\u4fdd\u958b\u767c\u8005\u53ef\u4ee5\u5229\u7528\u6700\u65b0\u7684\u8a9e\u8a00\u7279\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"mysql%e8%88%87spl%e7%9a%84%e6%95%b4%e5%90%88-iDQgRmQOPz\">MySQL\u8207SPL\u7684\u6574\u5408<\/h2>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0cSPL\u63d0\u4f9b\u4e86\u8a31\u591a\u6709\u7528\u7684\u5de5\u5177\u4f86\u7c21\u5316\u6578\u64da\u64cd\u4f5c\u3002\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528SPL\u4e2d\u7684\u6578\u64da\u7d50\u69cb\u4f86\u7ba1\u7406\u6578\u64da\u5eab\u67e5\u8a62\u7684\u7d50\u679c\uff0c\u5f9e\u800c\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u7dad\u8b77\u6027\u3002\u4f8b\u5982\uff0c\u4f7f\u7528SPL\u7684\u8fed\u4ee3\u5668\u53ef\u4ee5\u8f15\u9b06\u904d\u6b77\u67e5\u8a62\u7d50\u679c\uff1a<\/p>\n<pre><code>\n$result = $mysqli-&gt;query(\"SELECT * FROM users\");\n$iterator = new IteratorIterator($result);\nforeach ($iterator as $row) {\n    echo $row['username'];\n}\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528SPL\u7684\u8fed\u4ee3\u5668\u4f86\u904d\u6b77MySQL\u67e5\u8a62\u7684\u7d50\u679c\uff0c\u9019\u6a23\u7684\u505a\u6cd5\u4e0d\u50c5\u7c21\u5316\u4e86\u4ee3\u78bc\uff0c\u9084\u63d0\u9ad8\u4e86\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-iDQgRmQOPz\">\u7d50\u8ad6<\/h2>\n<p>\u96a8\u8457SPL\u5347\u7d1a\u52303.2\uff0c\u958b\u767c\u8005\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\u5c07\u80fd\u5920\u4eab\u53d7\u5230\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u66f4\u597d\u7684\u958b\u767c\u9ad4\u9a57\u3002\u9019\u4e9b\u6539\u9032\u4e0d\u50c5\u4f7f\u5f97\u6578\u64da\u64cd\u4f5c\u66f4\u52a0\u9ad8\u6548\uff0c\u9084\u63d0\u9ad8\u4e86\u932f\u8aa4\u8655\u7406\u7684\u80fd\u529b\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u66f4\u5c08\u6ce8\u65bc\u696d\u52d9\u908f\u8f2f\u7684\u5be6\u73fe\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u652f\u6301\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u548c\u5de5\u5177\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684MySQL\u6578\u64da\u5eab\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u7db2\u7ad9\u9084\u662f\u5927\u578b\u61c9\u7528\uff0c\u60a8\u90fd\u53ef\u4ee5\u5728\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4e0a\u627e\u5230\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u652f\u6301MySQL\u6578\u64da\u5eab\uff0cSPL\u5347\u7d1a\u81f33.2\u7248\u672c\uff0c\u63d0\u5347\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u512a\u5316\u6578\u64da\u8655\u7406\uff0c\u6eff\u8db3\u66f4\u9ad8\u9700\u6c42\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-196352","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196352","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=196352"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196352\/revisions"}],"predecessor-version":[{"id":196353,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196352\/revisions\/196353"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=196352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=196352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=196352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}