{"id":76076,"date":"2024-10-16T03:39:15","date_gmt":"2024-10-15T19:39:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76076\/"},"modified":"2024-10-16T03:39:15","modified_gmt":"2024-10-15T19:39:15","slug":"mysql%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e4%b8%b2%e4%b8%ad%e7%9a%84%e5%b9%be%e5%80%8b%e9%87%8d%e8%a6%81%e6%ad%a5%e9%a9%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76076\/","title":{"rendered":"MySQL\u9023\u63a5\u5b57\u7b26\u4e32\u4e2d\u7684\u5e7e\u500b\u91cd\u8981\u6b65\u9a5f"},"content":{"rendered":"<h1 id=\"mysql%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e4%b8%b2%e4%b8%ad%e7%9a%84%e5%b9%be%e5%80%8b%e9%87%8d%e8%a6%81%e6%ad%a5%e9%a9%9f-SlDxSsEDOG\">MySQL\u9023\u63a5\u5b57\u7b26\u4e32\u4e2d\u7684\u5e7e\u500b\u91cd\u8981\u6b65\u9a5f<\/h1>\n<p>\u5728\u958b\u767c\u61c9\u7528\u7a0b\u5f0f\u6642\uff0c\u8207\u8cc7\u6599\u5eab\u7684\u9023\u63a5\u662f\u81f3\u95dc\u91cd\u8981\u7684\u4e00\u6b65\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5f0f\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728MySQL\u9023\u63a5\u5b57\u7b26\u4e32\u4e2d\u9700\u8981\u6ce8\u610f\u7684\u5e7e\u500b\u91cd\u8981\u6b65\u9a5f\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u9032\u884c\u8cc7\u6599\u5eab\u9023\u63a5\u3002<\/p>\n<h2 id=\"1-%e4%ba%86%e8%a7%a3%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%b5%90%e6%a7%8b-SlDxSsEDOG\">1. \u4e86\u89e3\u9023\u63a5\u5b57\u7b26\u4e32\u7684\u57fa\u672c\u7d50\u69cb<\/h2>\n<p>MySQL\u7684\u9023\u63a5\u5b57\u7b26\u4e32\u901a\u5e38\u5305\u542b\u4ee5\u4e0b\u5e7e\u500b\u4e3b\u8981\u90e8\u5206\uff1a<\/p>\n<ul>\n<li><strong>\u4e3b\u6a5f\u540d\uff08Host\uff09<\/strong>\uff1a\u8cc7\u6599\u5eab\u4f3a\u670d\u5668\u7684\u5730\u5740\uff0c\u901a\u5e38\u662fIP\u5730\u5740\u6216\u57df\u540d\u3002<\/li>\n<li><strong>\u4f7f\u7528\u8005\u540d\u7a31\uff08User\uff09<\/strong>\uff1a\u7528\u65bc\u9023\u63a5\u8cc7\u6599\u5eab\u7684\u4f7f\u7528\u8005\u540d\u7a31\u3002<\/li>\n<li><strong>\u5bc6\u78bc\uff08Password\uff09<\/strong>\uff1a\u5c0d\u61c9\u4f7f\u7528\u8005\u540d\u7a31\u7684\u5bc6\u78bc\u3002<\/li>\n<li><strong>\u8cc7\u6599\u5eab\u540d\u7a31\uff08Database\uff09<\/strong>\uff1a\u8981\u9023\u63a5\u7684\u5177\u9ad4\u8cc7\u6599\u5eab\u540d\u7a31\u3002<\/li>\n<li><strong>\u7aef\u53e3\uff08Port\uff09<\/strong>\uff1aMySQL\u4f3a\u670d\u5668\u7684\u7aef\u53e3\uff0c\u9ed8\u8a8d\u70ba3306\u3002<\/li>\n<\/ul>\n<p>\u4e00\u500b\u5178\u578b\u7684MySQL\u9023\u63a5\u5b57\u7b26\u4e32\u7bc4\u4f8b\u5982\u4e0b\uff1a<\/p>\n<pre><code>mysql:\/\/username:password@hostname:port\/database<\/code><\/pre>\n<h2 id=\"2-%e7%a2%ba%e4%bf%9d%e6%ad%a3%e7%a2%ba%e7%9a%84%e4%b8%bb%e6%a9%9f%e5%90%8d%e5%92%8c%e7%ab%af%e5%8f%a3-SlDxSsEDOG\">2. \u78ba\u4fdd\u6b63\u78ba\u7684\u4e3b\u6a5f\u540d\u548c\u7aef\u53e3<\/h2>\n<p>\u5728\u8a2d\u5b9a\u9023\u63a5\u5b57\u7b26\u4e32\u6642\uff0c\u78ba\u4fdd\u4e3b\u6a5f\u540d\u548c\u7aef\u53e3\u6b63\u78ba\u7121\u8aa4\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5982\u679c\u8cc7\u6599\u5eab\u4f3a\u670d\u5668\u904b\u884c\u5728\u672c\u5730\uff0c\u4e3b\u6a5f\u540d\u53ef\u4ee5\u4f7f\u7528\u201clocalhost\u201d\u6216\u201c127.0.0.1\u201d\u3002\u5982\u679c\u662f\u9060\u7aef\u4f3a\u670d\u5668\uff0c\u5247\u9700\u8981\u4f7f\u7528\u6b63\u78ba\u7684IP\u5730\u5740\u6216\u57df\u540d\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u7684MySQL\u4f3a\u670d\u5668\u904b\u884c\u5728\u672c\u5730\uff0c\u9023\u63a5\u5b57\u7b26\u4e32\u53ef\u4ee5\u662f\uff1a<\/p>\n<pre><code>mysql:\/\/username:password@localhost:3306\/database<\/code><\/pre>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8%e5%ae%89%e5%85%a8%e7%9a%84%e5%af%86%e7%a2%bc%e7%ae%a1%e7%90%86-SlDxSsEDOG\">3. \u4f7f\u7528\u5b89\u5168\u7684\u5bc6\u78bc\u7ba1\u7406<\/h2>\n<p>\u5728\u9023\u63a5\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u660e\u6587\u5bc6\u78bc\u4e26\u4e0d\u5b89\u5168\u3002\u5efa\u8b70\u4f7f\u7528\u74b0\u5883\u8b8a\u6578\u6216\u914d\u7f6e\u6587\u4ef6\u4f86\u5b58\u5132\u654f\u611f\u4fe1\u606f\uff0c\u7136\u5f8c\u5728\u7a0b\u5f0f\u4e2d\u8b80\u53d6\u9019\u4e9b\u4fe1\u606f\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5bc6\u78bc\u6d29\u9732\u7684\u98a8\u96aa\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728PHP\u4e2d\u9019\u6a23\u8b80\u53d6\u74b0\u5883\u8b8a\u6578\uff1a<\/p>\n<pre><code>$username = getenv('DB_USERNAME');\n$password = getenv('DB_PASSWORD');\n$host = getenv('DB_HOST');\n$dbname = getenv('DB_NAME');\n\n$dsn = \"mysql:host=$host;dbname=$dbname;charset=utf8mb4\";\n<\/code><\/pre>\n<h2 id=\"4-%e8%a8%ad%e5%ae%9a%e5%ad%97%e7%ac%a6%e9%9b%86-SlDxSsEDOG\">4. \u8a2d\u5b9a\u5b57\u7b26\u96c6<\/h2>\n<p>\u5728\u9023\u63a5MySQL\u6642\uff0c\u6307\u5b9a\u5b57\u7b26\u96c6\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u7279\u5225\u662f\u7576\u4f60\u7684\u8cc7\u6599\u5eab\u4e2d\u5305\u542b\u591a\u8a9e\u8a00\u5167\u5bb9\u6642\u3002\u53ef\u4ee5\u5728\u9023\u63a5\u5b57\u7b26\u4e32\u4e2d\u6dfb\u52a0\u5b57\u7b26\u96c6\u53c3\u6578\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>mysql:host=localhost;dbname=testdb;charset=utf8mb4<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u8cc7\u6599\u7684\u6b63\u78ba\u5b58\u5132\u548c\u6aa2\u7d22\uff0c\u907f\u514d\u56e0\u5b57\u7b26\u96c6\u4e0d\u5339\u914d\u800c\u5c0e\u81f4\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"5-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-SlDxSsEDOG\">5. \u932f\u8aa4\u8655\u7406<\/h2>\n<p>\u5728\u5efa\u7acb\u9023\u63a5\u6642\uff0c\u61c9\u8a72\u8003\u616e\u5230\u53ef\u80fd\u51fa\u73fe\u7684\u932f\u8aa4\u3002\u4f7f\u7528try-catch\u8a9e\u53e5\u4f86\u6355\u7372\u9023\u63a5\u904e\u7a0b\u4e2d\u7684\u7570\u5e38\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u932f\u8aa4\u8655\u7406\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>try {\n    $pdo = new PDO($dsn, $username, $password);\n} catch (PDOException $e) {\n    echo 'Connection failed: ' . $e-&gt;getMessage();\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SlDxSsEDOG\">\u7e3d\u7d50<\/h2>\n<p>\u5728MySQL\u9023\u63a5\u5b57\u7b26\u4e32\u4e2d\uff0c\u6b63\u78ba\u7684\u914d\u7f6e\u548c\u5b89\u5168\u7684\u7ba1\u7406\u662f\u78ba\u4fdd\u61c9\u7528\u7a0b\u5f0f\u7a69\u5b9a\u904b\u884c\u7684\u95dc\u9375\u3002\u901a\u904e\u4e86\u89e3\u9023\u63a5\u5b57\u7b26\u4e32\u7684\u57fa\u672c\u7d50\u69cb\u3001\u78ba\u4fdd\u4e3b\u6a5f\u540d\u548c\u7aef\u53e3\u7684\u6b63\u78ba\u6027\u3001\u4f7f\u7528\u5b89\u5168\u7684\u5bc6\u78bc\u7ba1\u7406\u3001\u8a2d\u5b9a\u5b57\u7b26\u96c6\u4ee5\u53ca\u9032\u884c\u932f\u8aa4\u8655\u7406\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u8207MySQL\u8cc7\u6599\u5eab\u9032\u884c\u4ea4\u4e92\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\uff0c\u7121\u8ad6\u662f\u5c0f\u578b\u5c08\u6848\u9084\u662f\u5927\u578b\u4f01\u696d\u61c9\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u9023\u63a5\u5b57\u7b26\u4e32\u7684\u95dc\u9375\u6b65\u9a5f\uff0c\u5305\u62ec\u4e3b\u6a5f\u3001\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u6578\u64da\u5eab\u540d\u7a31\uff0c\u78ba\u4fdd\u9806\u5229\u9023\u63a5\u6578\u64da\u5eab\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-76076","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76076","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=76076"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76076\/revisions"}],"predecessor-version":[{"id":76077,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76076\/revisions\/76077"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}