{"id":2100,"date":"2020-05-12T03:48:02","date_gmt":"2020-05-12T03:48:02","guid":{"rendered":"https:\/\/www.magetop.com\/blog\/?p=2100"},"modified":"2020-05-15T10:35:59","modified_gmt":"2020-05-15T10:35:59","slug":"model-trong-magento-2","status":"publish","type":"post","link":"https:\/\/www.magetop.com\/blog\/model-trong-magento-2\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn d\u00f9ng Model trong Magento 2"},"content":{"rendered":"\n

Ti\u1ebfp t\u1ee5c series h\u01b0\u1edbng d\u1eabn l\u1eadp tr\u00ecnh module, trong b\u00e0i vi\u1ebft n\u00e0y m\u00ecnh s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1c b\u1ea1n c\u00e1ch s\u1eed d\u1ee5ng Model trong Magento 2 \u0111\u1ec3 truy xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb database.<\/p>\n\n\n\n

B\u01b0\u1edbc 1: Th\u00eam d\u1eef li\u1ec7u v\u00e0o database<\/h2>\n\n\n\n

\u0110\u1ec3 c\u00f3 th\u1ec3 truy xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb database ch\u00fang ta c\u1ea7n th\u00eam d\u1eef li\u1ec7u v\u00e0o database, trong \u0111\u01b0\u1eddng d\u1eabn app\\code\\Magetop\\Helloworld\\Setup<\/strong>\\ t\u1ea1o file InstallData.php<\/strong> v\u1edbi \u0111o\u1ea1n code sau:<\/p>\n\n\n

\n<?php\nnamespace Magetop\\Helloworld\\Setup;\n\nuse Magento\\Framework\\Setup\\InstallDataInterface;\nuse Magento\\Framework\\Setup\\ModuleContextInterface;\nuse Magento\\Framework\\Setup\\ModuleDataSetupInterface;\n\n\nclass InstallData implements InstallDataInterface\n{\n    public function install(ModuleDataSetupInterface $setup, ModuleContextInterface $context)\n    {\n        $setup->startSetup();\n        $tableName = $setup->getTable('magetop_hello');\n        if($setup->getConnection()->isTableExists($tableName) == true){\n            $data = [\n                [\n                    'title' => 'Blog 1',\n                    'summary' => 'summary blog 1',\n                    'description' => 'description blog 1',\n                    'status' => 1,\n                    'create_at' => date('Y-m-d H:i:s'),\n                ],\n                [\n                    'title' => 'Blog 2',\n                    'summary' => 'summary blog 2',\n                    'description' => 'description blog 2',\n                    'status' => 1,\n                    'create_at' => date('Y-m-d H:i:s'),\n                ],\n                [\n                    'title' => 'Blog 3',\n                    'summary' => 'summary blog 3',\n                    'description' => 'description blog 3',\n                    'status' => 1,\n                    'create_at' => date('Y-m-d H:i:s'),\n                ],\n            ];\n            foreach ($data as $item){\n                $setup->getConnection()->insert($tableName, $item);\n            }\n        }\n        $setup->endSetup();\n    }\n}\n<\/pre><\/div>\n\n\n
C\u00e1c b\u1ea1n c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh d\u1eef li\u1ec7u t\u00f9y theo \u00fd c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n
T\u1ea1o xong c\u00e1c b\u1ea1n t\u0103ng setup_version<\/strong> trong file module.xml<\/strong> l\u00ean r\u1ed3i ch\u1ea1y l\u1ec7nh php bin\/magento setup:upgrade<\/code>.<\/p>\n\n\n\n
B\u00e2y gi\u1edd ch\u00fang ta v\u00e0o b\u1ea3ng magetop_hello<\/strong> ki\u1ec3m tra.<\/p>\n\n\n\n
\"d\u1eef<\/figure>\n\n\n\n
Tr\u01b0\u1eddng h\u1ee3p n\u1ebfu t\u0103ng version module l\u00ean r\u1ed3i m\u00e0 v\u1eabn kh\u00f4ng th\u1ea5y data th\u00ec b\u1ea1n h\u00e3y th\u1eed g\u1ee1 module \u0111i c\u00e0i l\u1ea1i.<\/p>\n\n\n\n
B\u01b0\u1edbc 2: T\u1ea1o Model<\/h2>\n\n\n\n
C\u00e1c b\u1ea1n t\u1ea1o th\u01b0 m\u1ee5c Model theo \u0111\u01b0\u1eddng d\u1eabn app\\code\\Magetop\\Helloworld\\Model<\/strong>. T\u1ea1o file Posts.php<\/strong> trong th\u01b0 m\u1ee5c Model<\/strong> v\u1edbi \u0111o\u1ea1n code:<\/p>\n\n\n
\n<?php\nnamespace Magetop\\Helloworld\\Model;\n\nuse Magento\\Framework\\Model\\AbstractModel;\n\nclass Posts extends AbstractModel{\n    protected function _construct()\n    {\n        $this->_init('Magetop\\Helloworld\\Model\\ResourceModel\\Posts');\n    }\n}\n<\/pre><\/div>\n\n\n
Ti\u1ebfp theo t\u1ea1o file Posts.php<\/strong> theo \u0111\u01b0\u1eddng d\u1eabn app\\code\\Magetop\\Helloworld\\Model\\ResourceModel<\/strong>\\ k\u00e8m \u0111o\u1ea1n code:<\/p>\n\n\n
\n<?php\nnamespace Magetop\\Helloworld\\Model\\ResourceModel;\n\nuse Magento\\Framework\\Model\\ResourceModel\\Db\\AbstractDb;\n\nclass Posts extends AbstractDb\n{\n    protected function _construct()\n    {\n        \/\/ magetop_hello l\u00e0 t\u00ean b\u1ea3ng , id l\u00e0 kh\u00f3a ch\u00ednh primary c\u1ee7a b\u1ea3ng\n        $this->_init('magetop_hello', 'id');\n    }\n}\n<\/pre><\/div>\n\n\n
Theo \u0111\u01b0\u1eddng d\u1eabn app\\code\\Magetop\\Helloworld\\Model\\ResourceModel\\Posts<\/strong>\\ t\u1ea1o file Collection.php<\/strong> v\u1edbi \u0111o\u1ea1n code:<\/p>\n\n\n
\n<?php\nnamespace Magetop\\Helloworld\\Model\\ResourceModel\\Posts;\n\nuse Magento\\Framework\\Model\\ResourceModel\\Db\\Collection\\AbstractCollection;\n\nclass Collection extends AbstractCollection\n{\n    protected function _construct()\n    {\n        $this->_init(\n            'Magetop\\Helloworld\\Model\\Posts',\n            'Magetop\\Helloworld\\Model\\ResourceModel\\Posts'\n        );\n    }\n}\n<\/pre><\/div>\n\n\n
B\u01b0\u1edbc 3: L\u1ea5y d\u1eef li\u1ec7u t\u1eeb database<\/h2>\n\n\n\n
T\u1ea1o file Data.php<\/strong> theo \u0111\u01b0\u1eddng \u0111\u1eabn app\\code\\Magetop\\Helloworld\\Controller\\Get<\/strong>\\ v\u1edbi \u0111o\u1ea1n code:<\/p>\n\n\n
\n<?php\nnamespace Magetop\\Helloworld\\Controller\\Get;\n\nuse Magento\\Framework\\App\\Action\\Action;\nuse Magento\\Framework\\View\\Result\\PageFactory;\nuse Magento\\Framework\\App\\Action\\Context;\nuse Magetop\\Helloworld\\Model\\ResourceModel\\Posts\\CollectionFactory;\n\nclass Data extends Action\n{\n    protected $PageFactory;\n    protected $PostsFactory;\n\n    public function __construct(Context $context, PageFactory $pageFactory, CollectionFactory $postsFactory)\n    {\n        parent::__construct($context);\n        $this->PageFactory = $pageFactory;\n        $this->PostsFactory = $postsFactory;\n    }\n\n    public function execute()\n    {\n        echo "L\u1ea5y d\u1eef li\u1ec7u t\u1eeb b\u1ea3ng magetop_hello";\n        $this->PostsFactory->create();\n        $collection = $this->PostsFactory->create()\n            ->addFieldToSelect(array('title','summary','description','status','create_at'))\n            ->addFieldToFilter('status',1)\n            ->setPageSize(10);\n        echo '<pre>';\n        print_r($collection->getData());\n        echo '<pre>';\n    }\n}\n<\/pre><\/div>\n\n\n
Xong c\u00e1c b\u1ea1n ch\u1ea1y l\u1ec7nh: <\/p>\n\n\n\n