{"id":23166,"date":"2024-11-21T10:15:02","date_gmt":"2024-11-21T02:15:02","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23166\/"},"modified":"2024-11-21T10:15:02","modified_gmt":"2024-11-21T02:15:02","slug":"thinkphp%e4%b8%ad%e6%80%8e%e4%b9%88%e6%9f%a5%e8%af%a2%e6%9f%90%e4%ba%9b%e5%ad%97%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23166\/","title":{"rendered":"ThinkPHP\u4e2d\u600e\u4e48\u67e5\u8be2\u67d0\u4e9b\u5b57\u6bb5"},"content":{"rendered":"<\/p>\n

\u5728ThinkPHP\u4e2d\uff0c\u67e5\u8be2\u67d0\u4e9b\u5b57\u6bb5\u975e\u5e38\u7b80\u5355\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528Model\u7c7b\u4e2d\u7684field()\u65b9\u6cd5\u3002\u6b64\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u6307\u5b9a\u8981\u67e5\u8be2\u7684\u5b57\u6bb5\u3002\u4e3e\u4f8b\u8bf4\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3ausers\u7684\u6570\u636e\u8868\uff0c\u5176\u4e2d\u5305\u542bid\u3001name\u548cemail\u7b49\u591a\u4e2a\u5b57\u6bb5\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u67e5\u8be2\u7528\u6237\u7684\u59d3\u540d\u548c\u7535\u5b50\u90ae\u4ef6\uff1a<\/p>\n

$users = M('users')-&gt;field('name,email')-&gt;select();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cM()\u65b9\u6cd5\u7528\u4e8e\u83b7\u53d6\u4e00\u4e2a\u6a21\u578b\u5bf9\u8c61\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8be5\u6a21\u578b\u5bf9\u8c61\u6267\u884c\u67e5\u8be2\u3002\u6307\u5b9a\u67e5\u8be2\u5b57\u6bb5\u53ef\u4f7f\u7528field()\u65b9\u6cd5\uff0c\u800c\u5b9e\u9645\u6267\u884c\u67e5\u8be2\u5219\u5e94\u8c03\u7528select()\u65b9\u6cd5\u3002<\/p>\n
\u5982\u679c\u6211\u4eec\u60f3\u8981\u67e5\u8be2\u8868\u683c\u4e2d\u7684\u6240\u6709\u5b57\u6bb5\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528*\u901a\u914d\u7b26\u3002\u4f8b\u5982\uff1a<\/p>\n
$users = M('users')-&gt;select();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u6ca1\u6709\u4f7f\u7528field()\u65b9\u6cd5\uff0c\u800c\u662f\u4f7f\u7528\u4e86\u901a\u914d\u7b26*\u3002\u8fd9\u5c06\u9009\u62e9\u6240\u6709\u5b57\u6bb5\u3002<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u5728\u6709\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u53ea\u60f3\u67e5\u8be2\u8868\u683c\u4e2d\u90e8\u5206\u6570\u636e\u3002ThinkPHP\u4e2d\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u4fbf\u7684\u65b9\u6cd5limit()\u3002\u8be5\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u6307\u5b9a\u6700\u5927\u8fd4\u56de\u8bb0\u5f55\u6570\u548c\u8fd4\u56de\u8bb0\u5f55\u7684\u504f\u79fb\u91cf\u3002\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u4f7f\u7528limit()\u65b9\u6cd5\uff1a<\/p>\n
$users = M('users')-&gt;limit(10,20)-&gt;select();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528limit()\u65b9\u6cd5\u6765\u8bbe\u5b9a\u4ece\u7b2c11\u4e2a\u8bb0\u5f55\u5f00\u59cb\u8fd4\u56de20\u4e2a\u8bb0\u5f55\u3002\u8fd9\u5bf9\u4e8e\u5206\u9875\u548c\u5927\u578b\u6570\u636e\u96c6\u975e\u5e38\u6709\u7528\u3002<\/p>\n
\u9664\u4e86\u4f7f\u7528field()\u548climit()\u65b9\u6cd5\uff0c\u6211\u4eec\u8fd8\u80fd\u591f\u7528join()\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u52a0\u5165\u5176\u4ed6\u6570\u636e\u8868\u4e2d\u7684\u6570\u636e\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3aorders\u7684\u8868\u683c\uff0c\u5176\u4e2d\u5305\u542b\u7528\u6237\u7684\u8ba2\u5355\u6570\u636e\u5e76\u4e14\u4e0eusers\u8868\u683c\u901a\u8fc7\u7528\u6237ID\u5173\u8054\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u67e5\u8be2\u7528\u6237\u7684\u8ba2\u5355\u6570\u636e\uff1a<\/p>\n
$orders = M('orders')-&gt;join('users on users.id = orders.user_id')-&gt;select();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cjoin()\u65b9\u6cd5\u4f7f\u7528\u4e86MySQL join\u8bed\u53e5\uff0c\u5176\u4e2dusers\u548corders\u8868\u901a\u8fc7\u7528\u6237ID\u5173\u8054\u8d77\u6765\u3002<\/p>\n
\u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528where()\u65b9\u6cd5\u6307\u5b9a\u67e5\u8be2\u6761\u4ef6\u3002\u4ee5\u4e0b\u4ee3\u7801\u53ef\u4ee5\u7528\u6765\u67e5\u8be2\u53ea\u6709\u90ae\u4ef6\u5e26\u6709@google.com\u7684\u7528\u6237\u6570\u636e<\/p>\n
$users = M('users')-&gt;field('name,email')-&gt;where('email like \"%@google.com\"')-&gt;select();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cwhere()\u65b9\u6cd5\u6307\u5b9a\u4e86\u67e5\u8be2\u6761\u4ef6\uff1a\u53ea\u6709\u7535\u5b50\u90ae\u4ef6\u5b57\u6bb5\u4ee5@google.com\u7ed3\u5c3e\u7684\u8bb0\u5f55\u624d\u4f1a\u88ab\u8fd4\u56de\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fThinkPHP\u4e2d\u600e\u4e48\u67e5\u8be2\u67d0\u4e9b\u5b57\u6bb5\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":"
\u5728ThinkPHP\u4e2d\uff0c\u67e5\u8be2\u67d0\u4e9b\u5b57\u6bb5\u975e\u5e38\u7b80\u5355\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528Model\u7c7b\u4e2d\u7684field()\u65b9\u6cd5\u3002\u6b64\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u6307\u5b9a\u8981\u67e5\u8be2\u7684\u5b57\u6bb5\u3002\u4e3e\u4f8b\u8bf4\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3ausers\u7684\u6570\u636e\u8868\uff0c\u5176\u4e2d\u5305\u542bid\u3001name\u548cemail\u7b49\u591a\u4e2a\u5b57\u6bb5\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u67e5\u8be2\u7528\u6237\u7684\u59d3\u540d\u548c\u7535\u5b50\u90ae\u4ef6\uff1a $users = M(‘users’)-&gt;field(‘name,email’)-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cM()\u65b9\u6cd5\u7528\u4e8e\u83b7\u53d6\u4e00\u4e2a\u6a21\u578b\u5bf9\u8c61\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8be5\u6a21\u578b\u5bf9\u8c61\u6267\u884c\u67e5\u8be2\u3002\u6307\u5b9a\u67e5\u8be2\u5b57\u6bb5\u53ef\u4f7f\u7528field()\u65b9\u6cd5\uff0c\u800c\u5b9e\u9645\u6267\u884c\u67e5\u8be2\u5219\u5e94\u8c03\u7528select()\u65b9\u6cd5\u3002 \u5982\u679c\u6211\u4eec\u60f3\u8981\u67e5\u8be2\u8868\u683c\u4e2d\u7684\u6240\u6709\u5b57\u6bb5\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528*\u901a\u914d\u7b26\u3002\u4f8b\u5982\uff1a $users = M(‘users’)-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u6ca1\u6709\u4f7f\u7528field()\u65b9\u6cd5\uff0c\u800c\u662f\u4f7f\u7528\u4e86\u901a\u914d\u7b26*\u3002\u8fd9\u5c06\u9009\u62e9\u6240\u6709\u5b57\u6bb5\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u5728\u6709\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u53ea\u60f3\u67e5\u8be2\u8868\u683c\u4e2d\u90e8\u5206\u6570\u636e\u3002ThinkPHP\u4e2d\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u4fbf\u7684\u65b9\u6cd5limit()\u3002\u8be5\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u6307\u5b9a\u6700\u5927\u8fd4\u56de\u8bb0\u5f55\u6570\u548c\u8fd4\u56de\u8bb0\u5f55\u7684\u504f\u79fb\u91cf\u3002\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u4f7f\u7528limit()\u65b9\u6cd5\uff1a $users = M(‘users’)-&gt;limit(10,20)-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528limit()\u65b9\u6cd5\u6765\u8bbe\u5b9a\u4ece\u7b2c11\u4e2a\u8bb0\u5f55\u5f00\u59cb\u8fd4\u56de20\u4e2a\u8bb0\u5f55\u3002\u8fd9\u5bf9\u4e8e\u5206\u9875\u548c\u5927\u578b\u6570\u636e\u96c6\u975e\u5e38\u6709\u7528\u3002 \u9664\u4e86\u4f7f\u7528field()\u548climit()\u65b9\u6cd5\uff0c\u6211\u4eec\u8fd8\u80fd\u591f\u7528join()\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u5141\u8bb8\u6211\u4eec\u52a0\u5165\u5176\u4ed6\u6570\u636e\u8868\u4e2d\u7684\u6570\u636e\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3aorders\u7684\u8868\u683c\uff0c\u5176\u4e2d\u5305\u542b\u7528\u6237\u7684\u8ba2\u5355\u6570\u636e\u5e76\u4e14\u4e0eusers\u8868\u683c\u901a\u8fc7\u7528\u6237ID\u5173\u8054\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u67e5\u8be2\u7528\u6237\u7684\u8ba2\u5355\u6570\u636e\uff1a $orders = M(‘orders’)-&gt;join(‘users on users.id = orders.user_id’)-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cjoin()\u65b9\u6cd5\u4f7f\u7528\u4e86MySQL join\u8bed\u53e5\uff0c\u5176\u4e2dusers\u548corders\u8868\u901a\u8fc7\u7528\u6237ID\u5173\u8054\u8d77\u6765\u3002 \u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528where()\u65b9\u6cd5\u6307\u5b9a\u67e5\u8be2\u6761\u4ef6\u3002\u4ee5\u4e0b\u4ee3\u7801\u53ef\u4ee5\u7528\u6765\u67e5\u8be2\u53ea\u6709\u90ae\u4ef6\u5e26\u6709@google.com\u7684\u7528\u6237\u6570\u636e $users = M(‘users’)-&gt;field(‘name,email’)-&gt;where(’email like “%@google.com”‘)-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cwhere()\u65b9\u6cd5\u6307\u5b9a\u4e86\u67e5\u8be2\u6761\u4ef6\uff1a\u53ea\u6709\u7535\u5b50\u90ae\u4ef6\u5b57\u6bb5\u4ee5@google.com\u7ed3\u5c3e\u7684\u8bb0\u5f55\u624d\u4f1a\u88ab\u8fd4\u56de\u3002 \u4ee5\u4e0a\u5c31\u662fThinkPHP\u4e2d\u600e\u4e48\u67e5\u8be2\u67d0\u4e9b\u5b57\u6bb5\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-23166","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23166","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=23166"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23166\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}