{"id":178604,"date":"2024-11-08T19:21:19","date_gmt":"2024-11-08T11:21:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178604\/"},"modified":"2024-11-08T19:21:21","modified_gmt":"2024-11-08T11:21:21","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a42048-cr_invalid_conn_handle-%e6%97%a0%e6%95%88%e7%9a%84%e8%bf%9e%e6%8e%a5%e5%8f%a5%e6%9f%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178604\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa42048 &#8211; (CR_INVALID_CONN_HANDLE) \u65e0\u6548\u7684\u8fde\u63a5\u53e5\u67c4"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a42048-cr_invalid_conn_handle-%e7%84%a1%e6%95%88%e7%9a%84%e9%80%a3%e6%8e%a5%e5%8f%a5%e6%9f%84-TScQGbItfK\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa42048 &#8211; (CR_INVALID_CONN_HANDLE) \u7121\u6548\u7684\u9023\u63a5\u53e5\u67c4<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc2048\uff0c\u6a19\u793a\u70ba(CR_INVALID_CONN_HANDLE)\uff0c\u5373\u7121\u6548\u7684\u9023\u63a5\u53e5\u67c4\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u5617\u8a66\u4f7f\u7528\u5df2\u7d93\u95dc\u9589\u6216\u7121\u6548\u7684\u9023\u63a5\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u4fee\u5fa9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-TScQGbItfK\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>MySQL\u932f\u8aa42048\u7684\u4e3b\u8981\u539f\u56e0\u901a\u5e38\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u9023\u63a5\u5df2\u95dc\u9589\uff1a<\/strong>\u7576\u4e00\u500b\u9023\u63a5\u88ab\u95dc\u9589\u5f8c\uff0c\u4efb\u4f55\u5c0d\u8a72\u9023\u63a5\u7684\u64cd\u4f5c\u90fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u9023\u63a5\u8d85\u6642\uff1a<\/strong>\u5982\u679c\u9023\u63a5\u5728\u4e00\u6bb5\u6642\u9593\u5167\u6c92\u6709\u6d3b\u52d5\uff0cMySQL\u53ef\u80fd\u6703\u81ea\u52d5\u95dc\u9589\u8a72\u9023\u63a5\uff0c\u5c0e\u81f4\u5f8c\u7e8c\u64cd\u4f5c\u5931\u6557\u3002<\/li>\n<li><strong>\u932f\u8aa4\u7684\u9023\u63a5\u53e5\u67c4\uff1a<\/strong>\u5728\u4ee3\u78bc\u4e2d\u4f7f\u7528\u4e86\u932f\u8aa4\u6216\u672a\u521d\u59cb\u5316\u7684\u9023\u63a5\u53e5\u67c4\u3002<\/li>\n<li><strong>\u591a\u7dda\u7a0b\u554f\u984c\uff1a<\/strong>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u82e5\u4e00\u500b\u7dda\u7a0b\u95dc\u9589\u4e86\u9023\u63a5\uff0c\u800c\u5176\u4ed6\u7dda\u7a0b\u4ecd\u7136\u5617\u8a66\u4f7f\u7528\u8a72\u9023\u63a5\uff0c\u5247\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-TScQGbItfK\">\u5f71\u97ff<\/h2>\n<p>\u7576\u51fa\u73fe\u932f\u8aa42048\u6642\uff0c\u61c9\u7528\u7a0b\u5e8f\u5c07\u7121\u6cd5\u6b63\u5e38\u904b\u884c\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u64cd\u4f5c\u5931\u6557\uff0c\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u548c\u6578\u64da\u5b8c\u6574\u6027\u3002\u56e0\u6b64\uff0c\u53ca\u6642\u4fee\u5fa9\u6b64\u932f\u8aa4\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e5%be%a9%e6%96%b9%e6%b3%95-TScQGbItfK\">\u4fee\u5fa9\u65b9\u6cd5<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4fee\u5fa9MySQL\u932f\u8aa42048\u7684\u5efa\u8b70\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e9%80%a3%e6%8e%a5%e7%8b%80%e6%85%8b-TScQGbItfK\">1. \u6aa2\u67e5\u9023\u63a5\u72c0\u614b<\/h3>\n<p>\u5728\u57f7\u884c\u4efb\u4f55\u6578\u64da\u5eab\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u6aa2\u67e5\u9023\u63a5\u662f\u5426\u4ecd\u7136\u6709\u6548\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u6aa2\u67e5\u9023\u63a5\u72c0\u614b\uff1a<\/p>\n<pre><code>\nif (mysqli_ping($connection)) {\n    \/\/ \u9023\u63a5\u6709\u6548\n} else {\n    \/\/ \u9023\u63a5\u7121\u6548\uff0c\u91cd\u65b0\u9023\u63a5\n    $connection = mysqli_connect($host, $user, $password, $database);\n}\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e6%8c%81%e4%b9%85%e9%80%a3%e6%8e%a5-TScQGbItfK\">2. \u4f7f\u7528\u6301\u4e45\u9023\u63a5<\/h3>\n<p>\u5982\u679c\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u9577\u6642\u9593\u904b\u884c\uff0c\u8003\u616e\u4f7f\u7528\u6301\u4e45\u9023\u63a5\u3002\u6301\u4e45\u9023\u63a5\u4e0d\u6703\u5728\u6bcf\u6b21\u8acb\u6c42\u5f8c\u95dc\u9589\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u9023\u63a5\u8d85\u6642\u7684\u98a8\u96aa\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u5275\u5efa\u6301\u4e45\u9023\u63a5\uff1a<\/p>\n<pre><code>\n$connection = mysqli_connect('p:' . $host, $user, $password, $database);\n<\/code><\/pre>\n<h3 id=\"3-%e5%a2%9e%e5%8a%a0%e8%b6%85%e6%99%82%e8%a8%ad%e7%bd%ae-TScQGbItfK\">3. \u589e\u52a0\u8d85\u6642\u8a2d\u7f6e<\/h3>\n<p>\u5982\u679c\u9023\u63a5\u7d93\u5e38\u56e0\u8d85\u6642\u800c\u95dc\u9589\uff0c\u53ef\u4ee5\u8003\u616e\u589e\u52a0MySQL\u7684\u8d85\u6642\u8a2d\u7f6e\u3002\u53ef\u4ee5\u5728MySQL\u914d\u7f6e\u6587\u4ef6\u4e2d\u8abf\u6574\u4ee5\u4e0b\u53c3\u6578\uff1a<\/p>\n<pre><code>\nwait_timeout = 28800\ninteractive_timeout = 28800\n<\/code><\/pre>\n<h3 id=\"4-%e7%a2%ba%e4%bf%9d%e6%ad%a3%e7%a2%ba%e7%9a%84%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-TScQGbItfK\">4. \u78ba\u4fdd\u6b63\u78ba\u7684\u932f\u8aa4\u8655\u7406<\/h3>\n<p>\u5728\u4ee3\u78bc\u4e2d\u5be6\u65bd\u6b63\u78ba\u7684\u932f\u8aa4\u8655\u7406\u6a5f\u5236\uff0c\u4ee5\u4fbf\u5728\u9047\u5230\u932f\u8aa4\u6642\u80fd\u5920\u53ca\u6642\u6355\u7372\u4e26\u8655\u7406\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\nif (!$result) {\n    echo \"Error: \" . mysqli_error($connection);\n    \/\/ \u9032\u884c\u5fc5\u8981\u7684\u932f\u8aa4\u8655\u7406\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TScQGbItfK\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa42048 (CR_INVALID_CONN_HANDLE) 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