{"id":23146,"date":"2024-11-21T09:40:21","date_gmt":"2024-11-21T01:40:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23146\/"},"modified":"2024-11-21T09:40:21","modified_gmt":"2024-11-21T01:40:21","slug":"thinkphp%e6%9f%a5%e8%af%a2%e6%8c%87%e5%ae%9a%e5%ad%97%e6%ae%b5%e5%80%bc%e7%9a%84%e6%96%b9%e6%b3%95%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23146\/","title":{"rendered":"thinkphp\u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u503c\u7684\u65b9\u6cd5\u662f\u4ec0\u4e48"},"content":{"rendered":"<\/p>\n

\u7b2c\u4e00\u6b65\uff1a\u8fde\u63a5\u6570\u636e\u5e93<\/strong><\/p>\n

\u5728\u4f7f\u7528ThinkPHP\u8fdb\u884c\u6570\u636e\u5e93\u67e5\u8be2\u4e4b\u524d\uff0c\u5fc5\u987b\u5148\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002\u5728conf\u76ee\u5f55\u4e0b\u627e\u5230database.php\u914d\u7f6e\u6587\u4ef6\uff0c\u5e76\u914d\u7f6e\u597d\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f<\/p>\n

return [\n    \/\/ \u6570\u636e\u5e93\u7c7b\u578b\n    'type'     =&gt; 'mysql',\n    \/\/ \u670d\u52a1\u5668\u5730\u5740\n    'hostname' =&gt; 'localhost',\n    \/\/ \u6570\u636e\u5e93\u540d\n    'database' =&gt; 'test',\n    \/\/ \u7528\u6237\u540d\n    'username' =&gt; 'root',\n    \/\/ \u5bc6\u7801\n    'password' =&gt; '',\n    \/\/ \u7aef\u53e3\n    'hostport' =&gt; '3306',\n    \/\/ \u6570\u636e\u5e93\u7f16\u7801\u9ed8\u8ba4\u91c7\u7528utf8\n    'charset'  =&gt; 'utf8',\n];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u7b2c\u4e8c\u6b65\uff1a\u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u7684\u503c<\/strong><\/p>\n
\u4f7f\u7528ThinkPHP\u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u7684\u503c\u975e\u5e38\u7b80\u5355\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528select\u65b9\u6cd5\u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u7684\u503c\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u6211\u4eec\u62e5\u6709\u4e00\u4e2a\u7528\u6237\u8868\uff0c\u91cc\u9762\u5305\u542bid\u3001\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002\u8981\u67e5\u8be2\u6240\u6709\u7528\u6237\u7684\u7528\u6237\u540d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\/\/ \u521b\u5efa\u4e00\u4e2aUser\u6a21\u578b\u5b9e\u4f8b\n$user = new ppmodelUser();\n\/\/ \u67e5\u8be2\u6240\u6709\u7528\u6237\u7684\u7528\u6237\u540d\n$usernames = $user-&gt;field('username')-&gt;select();\n\/\/ \u6253\u5370\u7528\u6237\u540d\nforeach ($usernames as $username) {\n    echo $username['username'] . \"<br>\";\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2aUser\u6a21\u578b\u5b9e\u4f8b\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528field\u65b9\u6cd5\u6307\u5b9a\u6211\u4eec\u8981\u67e5\u8be2\u7684\u5b57\u6bb5\u540d\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528select\u65b9\u6cd5\u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u7684\u503c\u3002\u5728foreach\u5faa\u73af\u4e2d\uff0c\u6211\u4eec\u6253\u5370\u4e86\u6bcf\u4e2a\u7528\u6237\u540d\u3002<\/p>\n
\u7b2c\u4e09\u6b65\uff1a\u67e5\u8be2\u5355\u4e2a\u8bb0\u5f55\u4e2d\u6307\u5b9a\u5b57\u6bb5\u7684\u503c<\/strong><\/p>\n
\u6709\u65f6\u5019\uff0c\u6211\u4eec\u53ea\u9700\u8981\u67e5\u8be2\u5355\u4e2a\u8bb0\u5f55\u4e2d\u6307\u5b9a\u5b57\u6bb5\u7684\u503c\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528find\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e2a\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u8981\u67e5\u8be2id\u4e3a1\u7684\u7528\u6237\u7684\u7528\u6237\u540d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
\/\/ \u521b\u5efa\u4e00\u4e2aUser\u6a21\u578b\u5b9e\u4f8b\n$user = new ppmodelUser();\n\/\/ \u67e5\u8be2id\u4e3a1\u7684\u7528\u6237\u7684\u7528\u6237\u540d\n$username = $user-&gt;where('id', 1)-&gt;value('username');\n\/\/ \u6253\u5370\u7528\u6237\u540d\necho $username;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2aUser\u6a21\u578b\u5b9e\u4f8b\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528where\u65b9\u6cd5\u6307\u5b9aid\u7b49\u4e8e1\u7684\u8bb0\u5f55\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528value\u65b9\u6cd5\u83b7\u53d6\u7528\u6237\u540d\u5b57\u6bb5\u7684\u503c\u3002<\/p>\n
\u7b2c\u56db\u6b65\uff1a\u9650\u5236\u67e5\u8be2\u7ed3\u679c\u6570\u91cf<\/strong><\/p>\n
\u901a\u5e38\uff0c\u6211\u4eec\u4e0d\u9700\u8981\u67e5\u8be2\u6240\u6709\u8bb0\u5f55\u4e2d\u7684\u6307\u5b9a\u5b57\u6bb5\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528limit\u65b9\u6cd5\u6765\u9650\u5236\u67e5\u8be2\u7ed3\u679c\u6570\u91cf\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ea\u60f3\u67e5\u8be2\u524d10\u4e2a\u7528\u6237\u7684\u7528\u6237\u540d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
\/\/ \u521b\u5efa\u4e00\u4e2aUser\u6a21\u578b\u5b9e\u4f8b\n$user = new ppmodelUser();\n\/\/ \u67e5\u8be2\u524d10\u4e2a\u7528\u6237\u7684\u7528\u6237\u540d\n$usernames = $user-&gt;field('username')-&gt;limit(10)-&gt;select();\n\/\/ \u6253\u5370\u7528\u6237\u540d\nforeach ($usernames as $username) {\n    echo $username['username'] . \"<br>\";\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528limit\u65b9\u6cd5\u6307\u5b9a\u67e5\u8be2\u7ed3\u679c\u6570\u91cf\u4e3a10\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u503c\u7684\u65b9\u6cd5\u662f\u4ec0\u4e48\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":"
\u7b2c\u4e00\u6b65\uff1a\u8fde\u63a5\u6570\u636e\u5e93 \u5728\u4f7f\u7528ThinkPHP\u8fdb\u884c\u6570\u636e\u5e93\u67e5\u8be2\u4e4b\u524d\uff0c\u5fc5\u987b\u5148\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002\u5728conf\u76ee\u5f55\u4e0b\u627e\u5230database.php\u914d\u7f6e\u6587\u4ef6\uff0c\u5e76\u914d\u7f6e\u597d\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f return [     \/\/ \u6570\u636e\u5e93\u7c7b\u578b     ‘type’     =&gt; ‘mysql’,     \/\/ \u670d\u52a1\u5668\u5730\u5740     ‘hostname’ =&gt; ‘localhost’,     \/\/ \u6570\u636e\u5e93\u540d     ‘database’ =&gt; ‘test’,     \/\/ \u7528\u6237\u540d     ‘username’ =&gt; ‘root’,     \/\/ \u5bc6\u7801     ‘password’ =&gt; ”,     \/\/ \u7aef\u53e3     ‘hostport’ =&gt; ‘3306’,     \/\/ \u6570\u636e\u5e93\u7f16\u7801\u9ed8\u8ba4\u91c7\u7528utf8     ‘charset’  =&gt; ‘utf8’, ]; \u767b\u5f55\u540e\u590d\u5236 \u7b2c\u4e8c\u6b65\uff1a\u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u7684\u503c \u4f7f\u7528ThinkPHP\u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u7684\u503c\u975e\u5e38\u7b80\u5355\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528select\u65b9\u6cd5\u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u7684\u503c\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u6211\u4eec\u62e5\u6709\u4e00\u4e2a\u7528\u6237\u8868\uff0c\u91cc\u9762\u5305\u542bid\u3001\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002\u8981\u67e5\u8be2\u6240\u6709\u7528\u6237\u7684\u7528\u6237\u540d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \/\/ \u521b\u5efa\u4e00\u4e2aUser\u6a21\u578b\u5b9e\u4f8b $user = new ppmodelUser(); \/\/ \u67e5\u8be2\u6240\u6709\u7528\u6237\u7684\u7528\u6237\u540d $usernames = $user-&gt;field(‘username’)-&gt;select(); \/\/ \u6253\u5370\u7528\u6237\u540d foreach ($usernames as $username) {     echo $username[‘username’] . “<br>”; } \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2aUser\u6a21\u578b\u5b9e\u4f8b\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528field\u65b9\u6cd5\u6307\u5b9a\u6211\u4eec\u8981\u67e5\u8be2\u7684\u5b57\u6bb5\u540d\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528select\u65b9\u6cd5\u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u7684\u503c\u3002\u5728foreach\u5faa\u73af\u4e2d\uff0c\u6211\u4eec\u6253\u5370\u4e86\u6bcf\u4e2a\u7528\u6237\u540d\u3002 \u7b2c\u4e09\u6b65\uff1a\u67e5\u8be2\u5355\u4e2a\u8bb0\u5f55\u4e2d\u6307\u5b9a\u5b57\u6bb5\u7684\u503c \u6709\u65f6\u5019\uff0c\u6211\u4eec\u53ea\u9700\u8981\u67e5\u8be2\u5355\u4e2a\u8bb0\u5f55\u4e2d\u6307\u5b9a\u5b57\u6bb5\u7684\u503c\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528find\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e2a\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u8981\u67e5\u8be2id\u4e3a1\u7684\u7528\u6237\u7684\u7528\u6237\u540d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a \/\/ \u521b\u5efa\u4e00\u4e2aUser\u6a21\u578b\u5b9e\u4f8b $user = new ppmodelUser(); \/\/ \u67e5\u8be2id\u4e3a1\u7684\u7528\u6237\u7684\u7528\u6237\u540d $username = $user-&gt;where(‘id’, 1)-&gt;value(‘username’); \/\/ \u6253\u5370\u7528\u6237\u540d echo $username; \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2aUser\u6a21\u578b\u5b9e\u4f8b\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528where\u65b9\u6cd5\u6307\u5b9aid\u7b49\u4e8e1\u7684\u8bb0\u5f55\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528value\u65b9\u6cd5\u83b7\u53d6\u7528\u6237\u540d\u5b57\u6bb5\u7684\u503c\u3002 \u7b2c\u56db\u6b65\uff1a\u9650\u5236\u67e5\u8be2\u7ed3\u679c\u6570\u91cf \u901a\u5e38\uff0c\u6211\u4eec\u4e0d\u9700\u8981\u67e5\u8be2\u6240\u6709\u8bb0\u5f55\u4e2d\u7684\u6307\u5b9a\u5b57\u6bb5\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528limit\u65b9\u6cd5\u6765\u9650\u5236\u67e5\u8be2\u7ed3\u679c\u6570\u91cf\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ea\u60f3\u67e5\u8be2\u524d10\u4e2a\u7528\u6237\u7684\u7528\u6237\u540d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a \/\/ \u521b\u5efa\u4e00\u4e2aUser\u6a21\u578b\u5b9e\u4f8b $user = new ppmodelUser(); \/\/ \u67e5\u8be2\u524d10\u4e2a\u7528\u6237\u7684\u7528\u6237\u540d $usernames = $user-&gt;field(‘username’)-&gt;limit(10)-&gt;select(); \/\/ \u6253\u5370\u7528\u6237\u540d foreach ($usernames as $username) {     echo $username[‘username’] . “<br>”; } \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528limit\u65b9\u6cd5\u6307\u5b9a\u67e5\u8be2\u7ed3\u679c\u6570\u91cf\u4e3a10\u3002 \u4ee5\u4e0a\u5c31\u662f\u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u503c\u7684\u65b9\u6cd5\u662f\u4ec0\u4e48\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-23146","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23146","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=23146"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23146\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}