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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## 創建數據庫 ~~~ /* 創建數據庫 */ DROP DATABASE IF EXISTS yii2basic; CREATE DATABASE yii2basic DEFAULT CHARACTER SET UTF8MB4; USE yii2basic; /* 創建明星表 */ DROP TABLE IF EXISTS yii_star; CREATE TABLE yii_star( star_id INT PRIMARY KEY AUTO_INCREMENT, star_name VARCHAR(10), star_desc VARCHAR(50), star_age INT ) ENGINE = INNODB DEFAULT CHARSET = UTF8MB4; INSERT INTO yii_star VALUES(NULL, '劉德華', '歌手', 50); INSERT INTO yii_star VALUES(NULL, '郭富城', '歌手', 49); INSERT INTO yii_star VALUES(NULL, '張學友', '歌手', 48); INSERT INTO yii_star VALUES(NULL, '黎明', '歌手', 47); INSERT INTO yii_star VALUES(NULL, '梁朝偉', '演員', 50); INSERT INTO yii_star VALUES(NULL, '金城武', '演員', 49); INSERT INTO yii_star VALUES(NULL, '孫紅雷', '演員', 48); INSERT INTO yii_star VALUES(NULL, '鄧超', '逗逼', 47); ~~~ ## 配置數據庫 > F:\wwwroot\Yii\basic\config\db.php ~~~ <?php return [ 'class' => 'yii\db\Connection', 'dsn' => 'mysql:host=localhost;dbname=yii2basic', 'username' => 'root', 'password' => '', 'charset' => 'utf8mb4', ]; ~~~ 確保在web.php中已經加載了數據庫的配置文件 > F:\wwwroot\Yii\basic\config\web.php ![](https://box.kancloud.cn/2015-11-22_56514c0d8d20e.png) ## 活動記錄類 > 就是針對某個表可以進行增刪改查的類 文件地址:`F:\wwwroot\Yii\basic\models\Star.php` 文件內容: ~~~ <?php namespace app\models; use yii\db\ActiveRecord; // 明星類 class Star extends ActiveRecord{ // 設置表名 public static function tableName(){ return "yii_star"; } } ~~~ ## 模型表單類 > F:\wwwroot\Yii\basic\models\StarForm.php ~~~ <?php namespace app\models; use yii\base\Model; // 明星表單 class StarForm extends Model{ // 姓名 public $nick; // 介紹 public $desc; // 年齡 public $age; // 規則 return [ [["nick", "age"], "required"] ]; } ~~~ ## 控制器動作 > F:\wwwroot\Yii\basic\controllers\SiteController.php 引入模型和表單 ~~~ use app\models\Star; use app\models\StarForm; use yii\data\Pagination; ~~~ 其中Pagination是用于處理分頁的一個類 在控制器中追加動作代碼 ~~~ // 明星動作 public function actionStar(){ // 行為判斷 $ac = !isset($_REQUEST["ac"]) ? "" : $_REQUEST["ac"]; switch ($ac) { // 新增數據 case "insert": return "insert"; // 修改數據 case "update": return "update"; // 查詢數據 default: // 所有明星 $query = Star::find()->where("star_age >= 47"); // 分頁對象 $page = new Pagination([ // 每頁數量 "defaultPageSize" => 5, // 總共數量 "totalCount" => $query->count() ]); // 排序截斷并返回本頁的數據 $stars = $query->orderBy("star_age ASC")->offset($page->offset)->limit($page->limit)->all(); // 返回內容 return $this->render("star\index", [ "starList" => $stars, "page" => $page ]); } } ~~~ ## 視圖文件 > F:\wwwroot\Yii\basic\views\site\star\index.php ~~~ <?php // 引入類 use yii\helpers\Html; use yii\widgets\LinkPager; // 設置標題 $this->title = "明星列表"; ?> <h1>所有明星的列表</h1> <ul> <?php foreach($starList as $star): ?> <li> <p>姓名:<strong><?= Html::encode("{$star->star_name}");?></strong></p> <p>介紹:<?= Html::encode("{$star->star_desc}");?></p> <p>年齡:<i><?= Html::encode("{$star->star_age}");?></i></p> </li> <?php endforeach; ?> <!-- 分頁數據 --> <?= LinkPager::widget(["pagination" => $page]); ?> </ul> ~~~ ## 測試結果 http://127.0.0.1/index.php?r=site/star ![](https://box.kancloud.cn/2015-11-22_56514c0da9100.png)
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                              哎呀哎呀视频在线观看