{"id":23838,"date":"2024-11-21T11:05:39","date_gmt":"2024-11-21T03:05:39","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23838\/"},"modified":"2024-11-21T11:05:39","modified_gmt":"2024-11-21T03:05:39","slug":"yii%e6%a1%86%e6%9e%b6%e4%b8%ad%e7%9a%84activedataprovider%ef%bc%9a%e4%be%bf%e6%8d%b7%e5%9c%b0%e8%8e%b7%e5%8f%96%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23838\/","title":{"rendered":"Yii\u6846\u67b6\u4e2d\u7684ActiveDataProvider\uff1a\u4fbf\u6377\u5730\u83b7\u53d6\u6570\u636e"},"content":{"rendered":"<p>\u5728\u5f00\u53d1web\u5e94\u7528\u7a0b\u5e8f\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6570\u636e\u7ba1\u7406\u5f80\u5f80\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u65b9\u9762\u3002yii\u6846\u67b6\u4e3a\u6b64\u63d0\u4f9b\u4e86\u8bb8\u591a\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u5de5\u5177\uff0c\u5176\u4e2d\u4e00\u4e2a\u5c31\u662factivedataprovider\u3002<\/p>\n<p>ActiveDataProvider\u662f\u4e00\u4e2a\u67e5\u8be2\u6570\u636e\u6a21\u578b\u3001\u5c06\u7ed3\u679c\u6309\u7279\u5b9a\u683c\u5f0f\u7ec4\u7ec7\uff0c\u5e76\u652f\u6301\u5206\u9875\u548c\u6392\u5e8f\u7684\u5de5\u5177\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u5728Yii\u5e94\u7528\u7a0b\u5e8f\u4e2d\u83b7\u53d6\u4e00\u4e9b\u6570\u636e\u5e76\u901a\u8fc7\u6570\u636e\u7f51\u683c\u6216\u5217\u8868\u5448\u73b0\u7ed9\u7528\u6237\u3002<\/p>\n<p>\u5728\u5176\u6700\u7b80\u5355\u7684\u5f62\u5f0f\u4e2d\uff0cActiveDataProvider\u53ea\u9700\u8981\u4e24\u4e2a\u53c2\u6570\uff1a\u6a21\u578b\u7c7b\u548c\u67e5\u8be2\u6761\u4ef6\u3002<\/p>\n<pre>$dataProvider = new ActiveDataProvider([\n    'query' =&amp;gt; Post::find()-&amp;gt;where(['status' =&amp;gt; Post::STATUS_PUBLISHED]),\n]);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06Post\u6a21\u578b\u7684\u6240\u6709\u5df2\u53d1\u5e03\u72b6\u6001\u7684\u6587\u7ae0\u67e5\u8be2\u51fa\u6765\uff0c\u5176\u7ed3\u679c\u5c06\u4f5c\u4e3a\u6570\u636e\u63d0\u4f9b\u8005\u7684\u57fa\u7840\u3002<\/p>\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u901a\u8fc7ActiveDataProvider\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u7ec4\u7ec7\u6570\u636e\uff0c\u5e76\u4e14\u8fd9\u4e2a\u6570\u636e\u63d0\u4f9b\u8005\u8fd8\u652f\u6301\u5206\u9875\u548c\u6392\u5e8f\u3002<\/p>\n<p>\u5173\u4e8e\u5206\u9875\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n<pre>$dataProvider = new ActiveDataProvider([\n    'query' =&amp;gt; Post::find()-&amp;gt;where(['status' =&amp;gt; Post::STATUS_PUBLISHED]),\n    'pagination' =&amp;gt; [\n        'pageSize' =&amp;gt; 10,\n    ],\n]);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\u6bcf\u9875\u663e\u793a\u7684\u6570\u636e\u91cf\u6765\u5206\u9875\u5448\u73b0\u6570\u636e\uff0c\u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u6570\u636e\u5206\u9875\u4e3a10\u6761\u4e00\u9875\u3002<\/p>\n<p>\u5173\u4e8e\u6392\u5e8f\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n<pre>$dataProvider = new ActiveDataProvider([\n    'query' =&amp;gt; Post::find()-&amp;gt;where(['status' =&amp;gt; Post::STATUS_PUBLISHED]),\n    'sort' =&amp;gt; [\n        'defaultOrder' =&amp;gt; [\n            'created_at' =&amp;gt; SORT_DESC,\n        ],\n    ],\n]);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u9ed8\u8ba4\u6392\u5e8f\u6761\u4ef6\uff0c\u8fd9\u4e2a\u6761\u4ef6\u662f\u53d1\u5e03\u65e5\u671f\u5012\u5e8f\u6392\u5217\u7684\u3002<\/p>\n<p>\u4f7f\u7528ActiveDataProvider\u53ef\u4ee5\u5728\u4e0d\u7528\u7f16\u5199\u5927\u91cf\u81ea\u5b9a\u4e49\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\uff0c\u8f7b\u677e\u5b9e\u73b0\u5404\u79cd\u6570\u636e\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n<p>\u9664\u4e86\u4e0a\u9762\u63d0\u5230\u7684\u57fa\u7840\u5e94\u7528\uff0c\u8fd8\u6709\u4e00\u4e9b\u5176\u4ed6\u529f\u80fd\u53ef\u4f9b\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u81ea\u5b9a\u4e49\u51fd\u6570\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u989d\u5916\u7684\u5904\u7406\uff1a<\/p>\n<pre>$dataProvider = new ActiveDataProvider([\n    'query' =&amp;gt; Post::find()-&amp;gt;where(['status' =&amp;gt; Post::STATUS_PUBLISHED]),\n    'pagination' =&amp;gt; [\n        'pageSize' =&amp;gt; 10,\n    ],\n    'sort' =&amp;gt; [\n        'defaultOrder' =&amp;gt; [\n            'created_at' =&amp;gt; SORT_DESC,\n        ],\n    ],\n    'key' =&amp;gt; 'id',\n    'totalItemCount' =&amp;gt; function($query) {\n        return $query-&amp;gt;count('DISTINCT post.id');\n    },\n]);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u4e0a\u8ff0\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e09\u4e2a\u989d\u5916\u7684\u5c5e\u6027\uff1akey\u3001totalItemCount\u548cgroup\u3002key\u5c5e\u6027\u5b9a\u4e49\u4e86\u6570\u636e\u6a21\u578b\u7684\u4e3b\u952e\uff0c\u9ed8\u8ba4\u662f&#8217; id &#8216;\uff1btotalItemCount\u5c5e\u6027\u5b9a\u4e49\u4e86\u6570\u636e\u6a21\u578b\u4e2d\u7b26\u5408\u6761\u4ef6\u7684\u6240\u6709\u6570\u636e\u603b\u6570\uff0c\u901a\u5e38\u4f1a\u7528\u5230count()\u51fd\u6570\u8ba1\u7b97\uff1bgroup\u5c5e\u6027\u5b9a\u4e49\u4e86\u67e5\u8be2\u7ed3\u679c\u6309\u7167\u54ea\u4e9b\u5b57\u6bb5\u8fdb\u884c\u5206\u7ec4\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u9700\u8981\u7ec4\u5408\u4f7f\u7528\u8fd9\u4e9b\u5c5e\u6027\uff0c\u5e76\u6309\u7167\u7279\u5b9a\u7684\u8981\u6c42\u7ec4\u7ec7\u6570\u636e\u3002<\/p>\n<p>\u603b\u7684\u6765\u8bf4\uff0cActiveDataProvider\u662fYii\u6846\u67b6\u4e2d\u975e\u5e38\u6709\u7528\u7684\u4e00\u4e2a\u5de5\u5177\u3002\u5b83\u5141\u8bb8\u6211\u4eec\u8f7b\u677e\u5730\u83b7\u53d6\u6570\u636e\u5e76\u8fdb\u4e00\u6b65\u7ba1\u7406\u6570\u636e\u3002\u65e0\u8bba\u662f\u4ece\u6570\u636e\u5e93\u8fd8\u662f\u5176\u4ed6\u6570\u636e\u6e90\u4e2d\u83b7\u53d6\u6570\u636e\uff0cActiveDataProvider\u90fd\u53ef\u4ee5\u4e3a\u6211\u4eec\u63d0\u4f9b\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u8ba9\u6211\u4eec\u80fd\u591f\u4fbf\u6377\u5730\u8bbf\u95ee\u3001\u8fc7\u6ee4\u3001\u6392\u5e8f\u548c\u5206\u9875\u6570\u636e\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fYii\u6846\u67b6\u4e2d\u7684ActiveDataProvider\uff1a\u4fbf\u6377\u5730\u83b7\u53d6\u6570\u636e\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":"<p>\u5728\u5f00\u53d1web\u5e94\u7528\u7a0b\u5e8f\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6570\u636e\u7ba1\u7406\u5f80\u5f80\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u65b9\u9762\u3002yii\u6846\u67b6\u4e3a\u6b64\u63d0\u4f9b\u4e86\u8bb8\u591a\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u5de5\u5177\uff0c\u5176\u4e2d\u4e00\u4e2a\u5c31\u662factivedataprovider\u3002 ActiveDataProvider\u662f\u4e00\u4e2a\u67e5\u8be2\u6570\u636e\u6a21\u578b\u3001\u5c06\u7ed3\u679c\u6309\u7279\u5b9a\u683c\u5f0f\u7ec4\u7ec7\uff0c\u5e76\u652f\u6301\u5206\u9875\u548c\u6392\u5e8f\u7684\u5de5\u5177\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u5728Yii\u5e94\u7528\u7a0b\u5e8f\u4e2d\u83b7\u53d6\u4e00\u4e9b\u6570\u636e\u5e76\u901a\u8fc7\u6570\u636e\u7f51\u683c\u6216\u5217\u8868\u5448\u73b0\u7ed9\u7528\u6237\u3002 \u5728\u5176\u6700\u7b80\u5355\u7684\u5f62\u5f0f\u4e2d\uff0cActiveDataProvider\u53ea\u9700\u8981\u4e24\u4e2a\u53c2\u6570\uff1a\u6a21\u578b\u7c7b\u548c\u67e5\u8be2\u6761\u4ef6\u3002 $dataProvider = new ActiveDataProvider([ &#8216;query&#8217; =&amp;gt; Post::find()-&amp;gt;where([&#8216;status&#8217; =&amp;gt; Post::STATUS_PUBLISHED]), ]); \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06Post\u6a21\u578b\u7684\u6240\u6709\u5df2\u53d1\u5e03\u72b6\u6001\u7684\u6587\u7ae0\u67e5\u8be2\u51fa\u6765\uff0c\u5176\u7ed3\u679c\u5c06\u4f5c\u4e3a\u6570\u636e\u63d0\u4f9b\u8005\u7684\u57fa\u7840\u3002 \u53ef\u4ee5\u770b\u5230\uff0c\u901a\u8fc7ActiveDataProvider\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u7ec4\u7ec7\u6570\u636e\uff0c\u5e76\u4e14\u8fd9\u4e2a\u6570\u636e\u63d0\u4f9b\u8005\u8fd8\u652f\u6301\u5206\u9875\u548c\u6392\u5e8f\u3002 \u5173\u4e8e\u5206\u9875\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a $dataProvider = new ActiveDataProvider([ &#8216;query&#8217; =&amp;gt; Post::find()-&amp;gt;where([&#8216;status&#8217; =&amp;gt; Post::STATUS_PUBLISHED]), &#8216;pagination&#8217; =&amp;gt; [ &#8216;pageSize&#8217; =&amp;gt; 10, ], ]); \u767b\u5f55\u540e\u590d\u5236 \u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\u6bcf\u9875\u663e\u793a\u7684\u6570\u636e\u91cf\u6765\u5206\u9875\u5448\u73b0\u6570\u636e\uff0c\u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u6570\u636e\u5206\u9875\u4e3a10\u6761\u4e00\u9875\u3002 \u5173\u4e8e\u6392\u5e8f\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a $dataProvider = new ActiveDataProvider([ &#8216;query&#8217; =&amp;gt; Post::find()-&amp;gt;where([&#8216;status&#8217; =&amp;gt; Post::STATUS_PUBLISHED]), &#8216;sort&#8217; =&amp;gt; [ &#8216;defaultOrder&#8217; =&amp;gt; [ &#8216;created_at&#8217; =&amp;gt; SORT_DESC, [&hellip;]<\/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-23838","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23838","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=23838"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23838\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}