{"id":96482,"date":"2024-10-20T09:49:20","date_gmt":"2024-10-20T01:49:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96482\/"},"modified":"2024-10-20T09:49:20","modified_gmt":"2024-10-20T01:49:20","slug":"php%e7%a8%8b%e5%ba%8f%e5%93%a1%ef%bc%8c%e9%80%99%e4%ba%9bmysql%e9%8c%af%e8%aa%a4%ef%bc%8c%e4%bd%a0%e6%9b%be%e7%b6%93%e7%8a%af%e9%81%8e%e5%97%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96482\/","title":{"rendered":"PHP\u7a0b\u5e8f\u54e1\uff0c\u9019\u4e9bMySQL\u932f\u8aa4\uff0c\u4f60\u66fe\u7d93\u72af\u904e\u55ce"},"content":{"rendered":"<h1 id=\"php%e7%a8%8b%e5%ba%8f%e5%93%a1%ef%bc%8c%e9%80%99%e4%ba%9bmysql%e9%8c%af%e8%aa%a4%ef%bc%8c%e4%bd%a0%e6%9b%be%e7%b6%93%e7%8a%af%e9%81%8e%e5%97%8e-pswZvOANyu\">PHP\u7a0b\u5e8f\u54e1\uff0c\u9019\u4e9bMySQL\u932f\u8aa4\uff0c\u4f60\u66fe\u7d93\u72af\u904e\u55ce<\/h1>\n<p>\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0cPHP\u7a0b\u5e8f\u54e1\u7d93\u5e38\u9700\u8981\u8207MySQL\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u96d6\u7136MySQL\u662f\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u4f46\u5728\u4f7f\u7528\u904e\u7a0b\u4e2d\uff0c\u7a0b\u5e8f\u54e1\u5e38\u5e38\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u5e38\u898b\u7684MySQL\u932f\u8aa4\uff0c\u4e26\u63d0\u4f9b\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u7a0b\u5e8f\u54e1\u66f4\u6709\u6548\u5730\u6392\u9664\u6545\u969c\u3002<\/p>\n<h2 id=\"1-%e9%80%a3%e6%8e%a5%e9%8c%af%e8%aa%a4-pswZvOANyu\">1. \u9023\u63a5\u932f\u8aa4<\/h2>\n<p>\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u6642\uff0c\u6700\u5e38\u898b\u7684\u932f\u8aa4\u4e4b\u4e00\u662f\u9023\u63a5\u5931\u6557\u3002\u9019\u901a\u5e38\u662f\u7531\u65bc\u4ee5\u4e0b\u539f\u56e0\u9020\u6210\u7684\uff1a<\/p>\n<ul>\n<li>\u932f\u8aa4\u7684\u4e3b\u6a5f\u540d\u6216IP\u5730\u5740<\/li>\n<li>\u932f\u8aa4\u7684\u7528\u6236\u540d\u6216\u5bc6\u78bc<\/li>\n<li>MySQL\u670d\u52d9\u672a\u555f\u52d5<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u78bc\u7247\u6bb5\u5c55\u793a\u4e86\u5982\u4f55\u6b63\u78ba\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>\n$servername = \"localhost\";\n$username = \"username\";\n$password = \"password\";\n$dbname = \"database\";\n\n$conn = new mysqli($servername, $username, $password, $dbname);\n\nif ($conn-&gt;connect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn-&gt;connect_error);\n}\n<\/code><\/pre>\n<h2 id=\"2-sql%e8%aa%9e%e6%b3%95%e9%8c%af%e8%aa%a4-pswZvOANyu\">2. SQL\u8a9e\u6cd5\u932f\u8aa4<\/h2>\n<p>\u53e6\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\u662fSQL\u8a9e\u6cd5\u932f\u8aa4\u3002\u9019\u901a\u5e38\u662f\u7531\u65bc\u62fc\u5beb\u932f\u8aa4\u6216\u4e0d\u6b63\u78ba\u7684SQL\u8a9e\u53e5\u7d50\u69cb\u9020\u6210\u7684\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u4ee5\u4e0bSQL\u8a9e\u53e5\u56e0\u70ba\u7f3a\u5c11\u95dc\u9375\u5b57\u800c\u5c0e\u81f4\u932f\u8aa4\uff1a<\/p>\n<pre><code>\nSELECT * FORM users;  \/\/ \u932f\u8aa4\uff1aFORM \u61c9\u70ba FROM\n<\/code><\/pre>\n<p>\u8981\u89e3\u6c7a\u6b64\u554f\u984c\uff0c\u7a0b\u5e8f\u54e1\u61c9\u4ed4\u7d30\u6aa2\u67e5SQL\u8a9e\u53e5\u7684\u8a9e\u6cd5\uff0c\u4e26\u78ba\u4fdd\u6240\u6709\u95dc\u9375\u5b57\u6b63\u78ba\u7121\u8aa4\u3002<\/p>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e4%b8%8d%e5%8c%b9%e9%85%8d-pswZvOANyu\">3. \u6578\u64da\u985e\u578b\u4e0d\u5339\u914d<\/h2>\n<p>\u5728\u63d2\u5165\u6216\u66f4\u65b0\u6578\u64da\u6642\uff0c\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u4e5f\u662f\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u8a66\u5716\u5c07\u5b57\u7b26\u4e32\u63d2\u5165\u5230\u6574\u6578\u985e\u578b\u7684\u5b57\u6bb5\u4e2d\u6703\u5c0e\u81f4\u932f\u8aa4\uff1a<\/p>\n<pre><code>\n$sql = \"INSERT INTO users (age) VALUES ('twenty');  \/\/ \u932f\u8aa4\uff1a'twenty' \u4e0d\u662f\u6574\u6578\n<\/code><\/pre>\n<p>\u70ba\u4e86\u907f\u514d\u9019\u7a2e\u60c5\u6cc1\uff0c\u7a0b\u5e8f\u54e1\u61c9\u8a72\u78ba\u4fdd\u63d2\u5165\u7684\u6578\u64da\u985e\u578b\u8207\u6578\u64da\u5eab\u4e2d\u5b9a\u7fa9\u7684\u985e\u578b\u4e00\u81f4\u3002<\/p>\n<h2 id=\"4-%e9%87%8d%e8%a4%87%e9%8d%b5%e9%8c%af%e8%aa%a4-pswZvOANyu\">4. \u91cd\u8907\u9375\u932f\u8aa4<\/h2>\n<p>\u7576\u63d2\u5165\u4e00\u689d\u8a18\u9304\u6642\uff0c\u5982\u679c\u8a72\u8a18\u9304\u7684\u4e3b\u9375\u5df2\u7d93\u5b58\u5728\uff0c\u5247\u6703\u51fa\u73fe\u91cd\u8907\u9375\u932f\u8aa4\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u6c92\u6709\u6aa2\u67e5\u6578\u64da\u662f\u5426\u5df2\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<pre><code>\n$sql = \"INSERT INTO users (id, name) VALUES (1, 'Alice');  \/\/ \u932f\u8aa4\uff1aid 1 \u5df2\u5b58\u5728\n<\/code><\/pre>\n<p>\u70ba\u4e86\u907f\u514d\u9019\u7a2e\u932f\u8aa4\uff0c\u7a0b\u5e8f\u54e1\u53ef\u4ee5\u5728\u63d2\u5165\u4e4b\u524d\u5148\u67e5\u8a62\u6578\u64da\u5eab\uff0c\u6216\u8005\u4f7f\u7528INSERT IGNORE\u8a9e\u53e5\u4f86\u5ffd\u7565\u91cd\u8907\u7684\u63d2\u5165\u3002<\/p>\n<h2 id=\"5-%e6%9f%a5%e8%a9%a2%e8%b6%85%e6%99%82-pswZvOANyu\">5. \u67e5\u8a62\u8d85\u6642<\/h2>\n<p>\u5728\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u6642\uff0c\u67e5\u8a62\u8d85\u6642\u4e5f\u662f\u4e00\u500b\u5e38\u898b\u554f\u984c\u3002\u9019\u53ef\u80fd\u662f\u7531\u65bc\u67e5\u8a62\u6548\u7387\u4f4e\u4e0b\u6216\u6578\u64da\u5eab\u914d\u7f6e\u4e0d\u7576\u9020\u6210\u7684\u3002\u70ba\u4e86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7a0b\u5e8f\u54e1\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62<\/li>\n<li>\u512a\u5316SQL\u8a9e\u53e5\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684JOIN\u64cd\u4f5c<\/li>\n<li>\u8abf\u6574MySQL\u7684\u914d\u7f6e\u53c3\u6578\u4ee5\u63d0\u9ad8\u6027\u80fd<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-pswZvOANyu\">\u7e3d\u7d50<\/h2>\n<p>\u5728PHP\u958b\u767c\u4e2d\uff0c\u8207MySQL\u7684\u4ea4\u4e92\u662f\u4e0d\u53ef\u907f\u514d\u7684\uff0c\u4e86\u89e3\u5e38\u898b\u7684\u932f\u8aa4\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u5c0d\u65bc\u63d0\u9ad8\u958b\u767c\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u9023\u63a5\u3001SQL\u8a9e\u6cd5\u3001\u6578\u64da\u985e\u578b\u3001\u91cd\u8907\u9375\u548c\u67e5\u8a62\u6027\u80fd\uff0c\u7a0b\u5e8f\u54e1\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u4f60\u7684\u958b\u767c\u5de5\u4f5c\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u4f60\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5e38\u898b\u7684MySQL\u932f\u8aa4\uff0cPHP\u7a0b\u5e8f\u54e1\u5fc5\u77e5\u7684\u9677\u9631\u8207\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u4f60\u63d0\u5347\u7de8\u7a0b\u6280\u80fd\uff0c\u907f\u514d\u91cd\u8e48\u8986\u8f4d\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-96482","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96482","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=96482"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96482\/revisions"}],"predecessor-version":[{"id":96483,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96482\/revisions\/96483"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}