{"id":23820,"date":"2024-11-21T11:47:49","date_gmt":"2024-11-21T03:47:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23820\/"},"modified":"2024-11-21T11:47:49","modified_gmt":"2024-11-21T03:47:49","slug":"yii%e6%a1%86%e6%9e%b6%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae%e6%9f%a5%e8%af%a2%ef%bc%9a%e4%bc%98%e5%8c%96%e6%95%b0%e6%8d%ae%e6%9f%a5%e8%af%a2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23820\/","title":{"rendered":"Yii\u6846\u67b6\u4e2d\u7684\u6570\u636e\u67e5\u8be2\uff1a\u4f18\u5316\u6570\u636e\u67e5\u8be2"},"content":{"rendered":"

\u5728yii\u6846\u67b6\u4e2d\uff0c\u6570\u636e\u67e5\u8be2\u662f\u975e\u5e38\u5e38\u89c1\u7684\u64cd\u4f5c\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5bf9\u4e8e\u5927\u91cf\u7684\u6570\u636e\uff0c\u6211\u4eec\u5fc5\u987b\u8003\u8651\u5982\u4f55\u4f18\u5316\u67e5\u8be2\u64cd\u4f5c\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u3002\u4e0b\u9762\u6211\u4eec\u6765\u4e86\u89e3\u4e00\u4e9b\u4f18\u5316\u6570\u636e\u67e5\u8be2\u7684\u6280\u5de7\u3002<\/p>\n

    \n
  1. \u4f7f\u7528\u7d22\u5f15<\/li>\n<\/ol>\n

    \u7d22\u5f15\u662f\u6570\u636e\u5e93\u4e2d\u5bf9\u6570\u636e\u8fdb\u884c\u5feb\u901f\u67e5\u8be2\u7684\u4e00\u79cd\u6280\u672f\u3002\u5f53\u67e5\u8be2\u7684\u6570\u636e\u91cf\u5f88\u5927\u65f6\uff0c\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002Yii\u6846\u67b6\u4e2d\u63d0\u4f9b\u7684\u67e5\u8be2\u7c7bActiveQuery\u652f\u6301\u4f7f\u7528\u7d22\u5f15\u67e5\u8be2\u3002<\/p>\n

    \u5728Yii\u6846\u67b6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728\u6a21\u578b\u4e2d\u7684rules\u65b9\u6cd5\u4e2d\u58f0\u660e\u4e00\u4e2aunique\u9a8c\u8bc1\u5668\u6765\u4e3a\u67d0\u4e2a\u5b57\u6bb5\u6dfb\u52a0\u7d22\u5f15\uff0c\u4f8b\u5982\uff1a<\/p>\n

    public function rules()\n{\n    return [\n        ['username', 'unique']\n    ];\n}<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u8fd9\u6837\uff0cYii\u6846\u67b6\u4f1a\u81ea\u52a8\u4e3ausername\u5b57\u6bb5\u6dfb\u52a0\u4e00\u4e2a\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002<\/p>\n
      \n
    1. \u5408\u7406\u4f7f\u7528\u7f13\u5b58<\/li>\n<\/ol>\n
      \u5f53\u67e5\u8be2\u7684\u6570\u636e\u8f83\u4e3a\u7a33\u5b9a\u4e14\u7ecf\u5e38\u88ab\u67e5\u8be2\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u7f13\u5b58\u6765\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002Yii\u6846\u67b6\u5185\u7f6e\u4e86\u591a\u79cd\u7f13\u5b58\u6280\u672f\uff0c\u5305\u62ec\u6587\u4ef6\u7f13\u5b58\u3001\u6570\u636e\u5e93\u7f13\u5b58\u7b49\u3002<\/p>\n
      \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Yii\u6846\u67b6\u4e2d\u7684\u7f13\u5b58\u7ec4\u4ef6\u6765\u7ba1\u7406\u7f13\u5b58\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u6587\u4ef6\u7f13\u5b58\uff1a<\/p>\n
      $cache = Yii::$app-&gt;cache;\n$data = $cache-&gt;get('my-data');\nif ($data === false) {\n    $data = MyModel::find()-&gt;where(['status' =&gt; 'active'])-&gt;all();\n    $cache-&gt;set('my-data', $data);\n}<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u8fd9\u6837\uff0c\u7b2c\u4e00\u6b21\u67e5\u8be2\u65f6\u4f1a\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u6570\u636e\u5e76\u7f13\u5b58\u8d77\u6765\uff0c\u4ee5\u540e\u518d\u67e5\u8be2\u65f6\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u67e5\u8be2\u901f\u5ea6\u3002<\/p>\n
        \n
      1. \u4f7f\u7528\u5206\u9875<\/li>\n<\/ol>\n
        \u5f53\u67e5\u8be2\u7ed3\u679c\u8f83\u591a\u65f6\uff0c\u4f7f\u7528\u5206\u9875\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002Yii\u6846\u67b6\u63d0\u4f9b\u4e86Pagination\u7ec4\u4ef6\u7528\u4e8e\u7ba1\u7406\u5206\u9875\u3002<\/p>\n
        \u4f7f\u7528Pagination\u7ec4\u4ef6\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u5728\u67e5\u8be2\u8bed\u53e5\u4e2d\u52a0\u5165limit\u548coffset\u5373\u53ef\uff0c\u4f8b\u5982\uff1a<\/p>\n
        $query = MyModel::find()-&gt;where(['status' =&gt; 'active']);\n$pagination = new Pagination([\n    'totalCount' =&gt; $query-&gt;count(),\n    'pageSize' =&gt; 10\n]);\n\n$data = $query-&gt;offset($pagination-&gt;offset)\n    -&gt;limit($pagination-&gt;limit)\n    -&gt;orderBy('id DESC')\n    -&gt;all();<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u8fd9\u6837\uff0c\u67e5\u8be2\u7ed3\u679c\u5c06\u4f1a\u5206\u9875\u663e\u793a\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u67e5\u8be2\u901f\u5ea6\u3002<\/p>\n
          \n
        1. \u4f7f\u7528\u5173\u8054\u67e5\u8be2<\/li>\n<\/ol>\n
          \u5728\u67e5\u8be2\u5173\u8054\u6570\u636e\u65f6\uff0c\u4f7f\u7528\u5173\u8054\u67e5\u8be2\u53ef\u4ee5\u5927\u5927\u964d\u4f4e\u67e5\u8be2\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u3002Yii\u6846\u67b6\u4e2d\u652f\u6301\u591a\u79cd\u5173\u8054\u67e5\u8be2\u65b9\u5f0f\uff0c\u5305\u62echasOne\u3001hasMany\u7b49\u3002<\/p>\n
          \u4f8b\u5982\uff0c\u67e5\u8be2\u4e00\u4e2a\u7528\u6237\u4fe1\u606f\u4ee5\u53ca\u8be5\u7528\u6237\u7684\u6240\u6709\u6587\u7ae0\u4fe1\u606f\uff1a<\/p>\n
          $user = User::find()-&gt;where(['id' =&gt; 1])-&gt;with('articles')-&gt;one();<\/pre>\n
            \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
          \u8fd9\u6837\uff0cYii\u6846\u67b6\u5c06\u4f1a\u4e00\u6b21\u6027\u67e5\u8be2\u51fa\u7528\u6237\u4fe1\u606f\u548c\u8be5\u7528\u6237\u7684\u6240\u6709\u6587\u7ae0\u4fe1\u606f\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u67e5\u8be2\u901f\u5ea6\u3002<\/p>\n
          \u603b\u4e4b\uff0c\u5728\u4f7f\u7528Yii\u6846\u67b6\u8fdb\u884c\u6570\u636e\u67e5\u8be2\u65f6\uff0c\u6211\u4eec\u5e94\u8be5\u5145\u5206\u5229\u7528\u5176\u63d0\u4f9b\u7684\u5404\u79cd\u67e5\u8be2\u6280\u5de7\u548c\u7f13\u5b58\u6280\u672f\uff0c\u4ee5\u4f18\u5316\u6570\u636e\u67e5\u8be2\uff0c\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n
          \u4ee5\u4e0a\u5c31\u662fYii\u6846\u67b6\u4e2d\u7684\u6570\u636e\u67e5\u8be2\uff1a\u4f18\u5316\u6570\u636e\u67e5\u8be2\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":"
          \u5728yii\u6846\u67b6\u4e2d\uff0c\u6570\u636e\u67e5\u8be2\u662f\u975e\u5e38\u5e38\u89c1\u7684\u64cd\u4f5c\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5bf9\u4e8e\u5927\u91cf\u7684\u6570\u636e\uff0c\u6211\u4eec\u5fc5\u987b\u8003\u8651\u5982\u4f55\u4f18\u5316\u67e5\u8be2\u64cd\u4f5c\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u3002\u4e0b\u9762\u6211\u4eec\u6765\u4e86\u89e3\u4e00\u4e9b\u4f18\u5316\u6570\u636e\u67e5\u8be2\u7684\u6280\u5de7\u3002 \u4f7f\u7528\u7d22\u5f15 \u7d22\u5f15\u662f\u6570\u636e\u5e93\u4e2d\u5bf9\u6570\u636e\u8fdb\u884c\u5feb\u901f\u67e5\u8be2\u7684\u4e00\u79cd\u6280\u672f\u3002\u5f53\u67e5\u8be2\u7684\u6570\u636e\u91cf\u5f88\u5927\u65f6\uff0c\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002Yii\u6846\u67b6\u4e2d\u63d0\u4f9b\u7684\u67e5\u8be2\u7c7bActiveQuery\u652f\u6301\u4f7f\u7528\u7d22\u5f15\u67e5\u8be2\u3002 \u5728Yii\u6846\u67b6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728\u6a21\u578b\u4e2d\u7684rules\u65b9\u6cd5\u4e2d\u58f0\u660e\u4e00\u4e2aunique\u9a8c\u8bc1\u5668\u6765\u4e3a\u67d0\u4e2a\u5b57\u6bb5\u6dfb\u52a0\u7d22\u5f15\uff0c\u4f8b\u5982\uff1a public function rules() { return [ [‘username’, ‘unique’] ]; } \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u6837\uff0cYii\u6846\u67b6\u4f1a\u81ea\u52a8\u4e3ausername\u5b57\u6bb5\u6dfb\u52a0\u4e00\u4e2a\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002 \u5408\u7406\u4f7f\u7528\u7f13\u5b58 \u5f53\u67e5\u8be2\u7684\u6570\u636e\u8f83\u4e3a\u7a33\u5b9a\u4e14\u7ecf\u5e38\u88ab\u67e5\u8be2\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u7f13\u5b58\u6765\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002Yii\u6846\u67b6\u5185\u7f6e\u4e86\u591a\u79cd\u7f13\u5b58\u6280\u672f\uff0c\u5305\u62ec\u6587\u4ef6\u7f13\u5b58\u3001\u6570\u636e\u5e93\u7f13\u5b58\u7b49\u3002 \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Yii\u6846\u67b6\u4e2d\u7684\u7f13\u5b58\u7ec4\u4ef6\u6765\u7ba1\u7406\u7f13\u5b58\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u6587\u4ef6\u7f13\u5b58\uff1a $cache = Yii::$app-&gt;cache; $data = $cache-&gt;get(‘my-data’); if ($data === false) { $data = MyModel::find()-&gt;where([‘status’ =&gt; ‘active’])-&gt;all(); $cache-&gt;set(‘my-data’, $data); } \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u6837\uff0c\u7b2c\u4e00\u6b21\u67e5\u8be2\u65f6\u4f1a\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u6570\u636e\u5e76\u7f13\u5b58\u8d77\u6765\uff0c\u4ee5\u540e\u518d\u67e5\u8be2\u65f6\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u67e5\u8be2\u901f\u5ea6\u3002 \u4f7f\u7528\u5206\u9875 \u5f53\u67e5\u8be2\u7ed3\u679c\u8f83\u591a\u65f6\uff0c\u4f7f\u7528\u5206\u9875\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002Yii\u6846\u67b6\u63d0\u4f9b\u4e86Pagination\u7ec4\u4ef6\u7528\u4e8e\u7ba1\u7406\u5206\u9875\u3002 \u4f7f\u7528Pagination\u7ec4\u4ef6\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u5728\u67e5\u8be2\u8bed\u53e5\u4e2d\u52a0\u5165limit\u548coffset\u5373\u53ef\uff0c\u4f8b\u5982\uff1a $query = MyModel::find()-&gt;where([‘status’ =&gt; ‘active’]); $pagination = new Pagination([ ‘totalCount’ =&gt; $query-&gt;count(), […]<\/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-23820","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23820","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=23820"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23820\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}