{"id":23152,"date":"2024-11-21T11:13:20","date_gmt":"2024-11-21T03:13:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23152\/"},"modified":"2024-11-21T11:13:20","modified_gmt":"2024-11-21T03:13:20","slug":"thinkphp5-db%e7%b1%bb%e6%80%8e%e4%b9%88%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23152\/","title":{"rendered":"thinkphp5 db\u7c7b\u600e\u4e48\u4f7f\u7528"},"content":{"rendered":"<\/p>\n

\u4e00\u3001\u8fde\u63a5\u6570\u636e\u5e93<\/strong><\/p>\n

\u8fde\u63a5\u6570\u636e\u5e93\u6709\u4e24\u79cd\u65b9\u5f0f\uff0c\u4e00\u79cd\u662f\u5728config.php\u4e2d\u914d\u7f6e\uff0c\u53e6\u4e00\u79cd\u662f\u5728\u5b9e\u4f8b\u5316Db\u7c7b\u65f6\u4f20\u5165\u8fde\u63a5\u53c2\u6570\u3002<\/p>\n

\u5728config.php\u4e2d\u914d\u7f6e\uff1a<\/p>\n

return [\n    \/\/ \u6570\u636e\u5e93\u7c7b\u578b\n    'type'      =&gt; 'mysql',\n    \/\/ \u670d\u52a1\u5668\u5730\u5740\n    'hostname'  =&gt; '127.0.0.1',\n    \/\/ \u6570\u636e\u5e93\u540d\n    'database'  =&gt; 'test',\n    \/\/ \u6570\u636e\u5e93\u7528\u6237\u540d\n    'username'  =&gt; 'root',\n    \/\/ \u6570\u636e\u5e93\u5bc6\u7801\n    'password'  =&gt; '',\n    \/\/ \u6570\u636e\u5e93\u8fde\u63a5\u7aef\u53e3\n    'hostport'  =&gt; '',\n];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5b9e\u4f8b\u5316Db\u7c7b\u65f6\u4f20\u5165\u8fde\u63a5\u53c2\u6570\uff1a<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
use thinkDb;\n\n$config = [\n    \/\/ \u6570\u636e\u5e93\u7c7b\u578b\n    'type'      =&gt; 'mysql',\n    \/\/ \u670d\u52a1\u5668\u5730\u5740\n    'hostname'  =&gt; '127.0.0.1',\n    \/\/ \u6570\u636e\u5e93\u540d\n    'database'  =&gt; 'test',\n    \/\/ \u6570\u636e\u5e93\u7528\u6237\u540d\n    'username'  =&gt; 'root',\n    \/\/ \u6570\u636e\u5e93\u5bc6\u7801\n    'password'  =&gt; '',\n    \/\/ \u6570\u636e\u5e93\u8fde\u63a5\u7aef\u53e3\n    'hostport'  =&gt; '',\n];\n\nDb::connect($config);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e8c\u3001\u57fa\u672c\u64cd\u4f5c<\/strong><\/p>\n
1.\u67e5\u8be2\u64cd\u4f5c<\/p>\n
use thinkDb;\n\n\/\/\u67e5\u8be2\u4e00\u6761\u6570\u636e\nDb::table('user')-&gt;where('id', 1)-&gt;find();\n\n\/\/\u67e5\u8be2\u591a\u6761\u6570\u636e\nDb::table('user')-&gt;where('age', '&gt;', 18)-&gt;select();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2.\u63d2\u5165\u64cd\u4f5c<\/p>\n
use thinkDb;\n\n$data = [\n    'username' =&gt; 'admin',\n    'password' =&gt; md5('admin'),\n    'sex'      =&gt; 1,\n    'age'      =&gt; 20,\n];\n\nDb::table('user')-&gt;insert($data);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3.\u66f4\u65b0\u64cd\u4f5c<\/p>\n
use thinkDb;\n\nDb::table('user')-&gt;where('id', 1)-&gt;update(['age' =&gt; 21]);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4.\u5220\u9664\u64cd\u4f5c<\/p>\n
use thinkDb;\n\nDb::table('user')-&gt;where('id', 1)-&gt;delete();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e09\u3001\u9ad8\u7ea7\u64cd\u4f5c<\/strong><\/p>\n
1.\u94fe\u5f0f\u64cd\u4f5c<\/p>\n
\u94fe\u5f0f\u64cd\u4f5c\u53ef\u4ee5\u7b80\u5316sql\u8bed\u53e5\u7684\u4e66\u5199\u3002<\/p>\n
use thinkDb;\n\nDb::table('user')\n    -&gt;alias('u')\n    -&gt;join('role r', 'u.role_id=r.id')\n    -&gt;where('u.id', 1)\n    -&gt;field('u.username, r.name')\n    -&gt;find();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2.\u8c03\u8bd5\u65b9\u6cd5<\/p>\n
\u5728\u5f00\u53d1\u73af\u5883\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u67e5\u770bsql\u8bed\u53e5\u7684\u6267\u884c\u60c5\u51b5\uff0cDb\u7c7b\u63d0\u4f9b\u4e86\u4e09\u4e2a\u8c03\u8bd5\u65b9\u6cd5\uff1agetLastSql\u3001getExplain\u548cgetSqlLog\u3002<\/p>\n
use thinkDb;\n\nDb::table('user')-&gt;getLastSql();\n\nDb::table('user')-&gt;where('age', '&gt;', 18)-&gt;getExplain();\n\nDb::table('user')-&gt;where('age', '&gt;', 18)-&gt;select();\nDb::table('user')-&gt;getLastSql();\n\nprint_r(Db::getSqlLog());<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
getLastSql\u65b9\u6cd5\u53ef\u4ee5\u83b7\u53d6\u6700\u540e\u4e00\u6b21\u6267\u884c\u7684sql\u8bed\u53e5\u3002<\/p>\n
getExplain\u65b9\u6cd5\u53ef\u4ee5\u83b7\u53d6sql\u8bed\u53e5\u7684\u6267\u884c\u8ba1\u5212\u3002<\/p>\n
getSqlLog\u65b9\u6cd5\u53ef\u4ee5\u83b7\u53d6\u6240\u6709\u6267\u884c\u7684sql\u8bed\u53e5\u548c\u6267\u884c\u65f6\u95f4\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f5 db\u7c7b\u600e\u4e48\u4f7f\u7528\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001\u8fde\u63a5\u6570\u636e\u5e93 \u8fde\u63a5\u6570\u636e\u5e93\u6709\u4e24\u79cd\u65b9\u5f0f\uff0c\u4e00\u79cd\u662f\u5728config.php\u4e2d\u914d\u7f6e\uff0c\u53e6\u4e00\u79cd\u662f\u5728\u5b9e\u4f8b\u5316Db\u7c7b\u65f6\u4f20\u5165\u8fde\u63a5\u53c2\u6570\u3002 \u5728config.php\u4e2d\u914d\u7f6e\uff1a return [     \/\/ \u6570\u636e\u5e93\u7c7b\u578b     ‘type’      =&gt; ‘mysql’,     \/\/ \u670d\u52a1\u5668\u5730\u5740     ‘hostname’  =&gt; ‘127.0.0.1’,     \/\/ \u6570\u636e\u5e93\u540d     ‘database’  =&gt; ‘test’,     \/\/ \u6570\u636e\u5e93\u7528\u6237\u540d     ‘username’  =&gt; ‘root’,     \/\/ \u6570\u636e\u5e93\u5bc6\u7801     ‘password’  =&gt; ”,     \/\/ \u6570\u636e\u5e93\u8fde\u63a5\u7aef\u53e3     ‘hostport’  =&gt; ”, ]; \u767b\u5f55\u540e\u590d\u5236 \u5b9e\u4f8b\u5316Db\u7c7b\u65f6\u4f20\u5165\u8fde\u63a5\u53c2\u6570\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b use thinkDb; $config = [     \/\/ \u6570\u636e\u5e93\u7c7b\u578b     ‘type’      =&gt; ‘mysql’,     \/\/ \u670d\u52a1\u5668\u5730\u5740     ‘hostname’  =&gt; ‘127.0.0.1’,     \/\/ \u6570\u636e\u5e93\u540d     ‘database’  =&gt; ‘test’,     \/\/ \u6570\u636e\u5e93\u7528\u6237\u540d     ‘username’  =&gt; ‘root’,     \/\/ \u6570\u636e\u5e93\u5bc6\u7801     ‘password’  =&gt; ”,     \/\/ \u6570\u636e\u5e93\u8fde\u63a5\u7aef\u53e3     ‘hostport’  =&gt; ”, ]; Db::connect($config); \u767b\u5f55\u540e\u590d\u5236 \u4e8c\u3001\u57fa\u672c\u64cd\u4f5c 1.\u67e5\u8be2\u64cd\u4f5c use thinkDb; \/\/\u67e5\u8be2\u4e00\u6761\u6570\u636e Db::table(‘user’)-&gt;where(‘id’, 1)-&gt;find(); \/\/\u67e5\u8be2\u591a\u6761\u6570\u636e Db::table(‘user’)-&gt;where(‘age’, ‘&gt;’, 18)-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 2.\u63d2\u5165\u64cd\u4f5c use thinkDb; $data = [     ‘username’ =&gt; ‘admin’,     ‘password’ =&gt; md5(‘admin’),     ‘sex’      =&gt; 1,     ‘age’      =&gt; 20, ]; Db::table(‘user’)-&gt;insert($data); \u767b\u5f55\u540e\u590d\u5236 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-23152","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=23152"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23152\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}