1、开发的插件模块代码同一放在 : app/code/ 目录下;
2、模块的文件命名规则: app/code/namespace/modulea. namespace:这里我用的 Plugin 命名
b. module :这里我用的 Test 命名3、测试模块目录结构如下所示:
1、创建 module.xml 文件, app/code/Plugin/Test/etc/module.xml
xml version="1.0"?>
"http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
"Plugin_Test" setup_version="1.0.0" active="true" />
a. name:表示 module 的名称
b. setup_version:表示 module 的版本号2、创建 registration.php 文件, app/code/Plugin/Test/registration.php
\Magento\Framework\Component\ComponentRegistrar::register(
\Magento\Framework\Component\ComponentRegistrar::MODULE,
'Plugin_Test',
__DIR__
);
3、激活模块
a. 终端切换目录到 mangent2 项目根目录 ;
b. 执行php bin/magento setup:upgrade
命令
b. 结果:(出现该模块证明已经被加载)
1、前端路由
a. 创建前端路由时,需要新建 app/code/Plugin/Test/etc/frontend/routes.xml 文件,来声明前端控制器的名称;
xml version="1.0"?>
"http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:App/etc/routes.xsd">
"standard">
"test" frontName="test">
"Plugin_Test" before="Magento_Core"/>
b. router 标签说明:
id = standard 表示前端路由;
c. route 标签说明:
id : 对于 router 的唯一标识名;
frontName : 前端 URL 的控制名称;d. module 标签说明:
name : 声明 module 的名称;
before : 表示在定义 module 之前加载;
after : 表示在定义 moduel 之后加载;2、创建前端控制器
a. 比如 我们的前端访问路由 URL 为:web.magento2.com/test/hello/word,继续创建文件(app/code/Plugin/Test/Controller/Hello/World.php)
/**
* Created by PhpStorm.
* User: Admin
* Date: 2017/12/23
* Time: 17:21
*/
namespace Plugin\Test\Controller\Hello;
use Magento\Framework\App\Action\Action;
use Magento\Framework\App\Action\Context;
use Magento\Framework\View\Result\PageFactory;
class World extends Action
{
/** @var \Magento\Framework\View\Result\Page */
protected $resultPageFactory;
/**
* World constructor.
*
* @param Context $context
* @param PageFactory $resultPageFactory
*/
public function __construct(Context $context, PageFactory $resultPageFactory) {
$this->resultPageFactory = $resultPageFactory;
parent::__construct($context);
}
/**
*
* @return \Magento\Framework\View\Result\PageFactory
*/
public function execute()
{
echo "Web Hello World !";
die;
}
}
b. 问刚才的路由 URL,就可以看到浏览器输出内容(Web Hello World !)了。( 记得经常先执行
php bin/magento setup:upgrade
该命令。)
1、上面我们说了如何从控制器输出内容到页面,但是真正与浏览器页面最相关的还是由对应的Block输出数据,那么如何创建一个block呢?
a. 我们来修改下我们控制器app/code/Silk/Test/Controller/Helo/World.php里面的内容:
/**
* Created by PhpStorm.
* User: Admin
* Date: 2017/12/23
* Time: 17:21
*/
namespace Plugin\Test\Controller\Hello;
use Magento\Framework\App\Action\Action;
use Magento\Framework\App\Action\Context;
use Magento\Framework\View\Result\PageFactory;
class World extends Action
{
/** @var \Magento\Framework\View\Result\Page */
protected $resultPageFactory;
/**
* World constructor.
*
* @param Context $context
* @param PageFactory $resultPageFactory
*/
public function __construct(Context $context, PageFactory $resultPageFactory) {
$this->resultPageFactory = $resultPageFactory;
parent::__construct($context);
}
/**
*
* @return \Magento\Framework\View\Result\PageFactory
*/
public function execute()
{
$this->_view->loadLayout();
$this->_view->getLayout()->initMessages();
$this->_view->renderLayout();
}
}
b. 接着创建block文件 (app/code/Plugin/Test/Index/Hello.php)
/**
* Created by PhpStorm.
* User: Admin
* Date: 2017/12/25
* Time: 16:02
*/
namespace Plugin\Test\Block\Index;
class Hello extends \Magento\Framework\View\Element\Template
{
/**
* @var \Trackingmore\Detrack\Model\UserFactory
*/
protected $_userFactory;
/**
* Hello constructor.
*
* @param \Magento\Framework\View\Element\Template\Context $context
* @param \Trackingmore\Detrack\Model\UserFactory $userFactory
*/
public function __construct(
\Magento\Framework\View\Element\Template\Context $context,
\Plugin\Test\Model\UserFactory $userFactory
) {
$this->_userFactory = $userFactory;
parent::__construct($context);
}
/**
* @return $this
*/
public function _prepareLayout() {
/* case 1 获取用户模型
* @return string 'Plugin\Test\Model\UserFactory' (length=36)
*/
// var_dump(
// get_class($this->_userFactory)
// );
// exit;
/* case 2
* load ID 为 1 的 model
*/
// $post = $this->_userFactory->create();
// $post = $post->load(1);
// var_dump($post);
// die;
/* case 3
* use collection
*/
// $post = $this->_userFactory->create();
// $collection = $post->getCollection();
// foreach ($collection as $item) {
// var_dump($item->getData());
// }
// exit;
// var_dump($this->getUserData());die;
return parent::_prepareLayout();
}
/**
* 测试输出
*/
public function testOutputAction() {
echo 'block function !';
}
/**
* 获取用户模型数据
*
* @return \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection
*/
public function getUserData() {
$post = $this->_userFactory->create();
$collection = $post->getCollection();
$userArr = [];
foreach ($collection as $item) {
$userArr[] = $item->getData();
}
// var_dump($userArr);
return $userArr;
}
}
1、布局文件的命名规则为:
a. 这里我们的布局文件名称 test_hello_world.xml ( app/code/Plugin/Test/view/frontend/layout/test_hello_world.xml )
xml version="1.0" ?>
"1column" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
"content">
class="Plugin\Test\Block\Index\Hello" name="index.hello" template="Plugin_Test::index/hello.phtml"/>
referenceContainer>
body>
page>
b. 这里我们又定义了一个 hello 模板文件,继续来新建这个模板文件。
2、创建模板文件 hello.phtml
a. 模板文件路径:(app/code/Plugin/Test/view/frontend/templates/hello.phtml)
hello world !
$block->testOutputAction();?>
3、现在重新执行清缓存加载组件命令,并刷新浏览器访问该 web.magento2.com/test/hello/word 路由,输出结果: hello world ! block function !
1、创建表结构 InstallSchema.php (app/code/Plugin/Test/Setup/InstallSchema.php)
/**
* Created by PhpStorm.
* User: Admin
* Date: 2017/12/25
* Time: 16:38
*/
namespace Plugin\Test\Setup;
use Magento\Framework\Setup\InstallSchemaInterface;
use Magento\Framework\Setup\ModuleContextInterface;
use Magento\Framework\Setup\SchemaSetupInterface;
use Magento\Framework\DB\Ddl\Table;
use Magento\Framework\DB\Adapter\AdapterInterface;
class InstallSchema implements InstallSchemaInterface
{
/**
* Installs DB schema for a module
*
* @param SchemaSetupInterface $setup 数据表迁移接口
* @param ModuleContextInterface $context 上下文
*
* @return bool
*/
public function install(
SchemaSetupInterface $setup,
ModuleContextInterface $context
) {
//获取安装器
$installer = $setup;
//开始数据库安装
$installer->startSetup();
//安装前删除该表
$installer->getConnection()->dropTable($installer->getTable('test_users'));
// test_users 表
if (!$installer->tableExists('test_users')) {
$table = $installer->getConnection()
->newTable($installer->getTable('test_users'))
->addColumn(
'id',
Table::TYPE_INTEGER,
null,
['identity' => true, 'nullable' => false, 'primary' => true],
'users ID'
)
->addColumn('username', Table::TYPE_TEXT, 50, ['nullable' => false])
->addColumn('password', Table::TYPE_TEXT, 255, ['nullable' => false])
->addColumn('age', Table::TYPE_INTEGER, 255, [])
->addColumn('address', Table::TYPE_TEXT, 255, [])
->setComment('users table');
$installer->getConnection()->createTable($table);
}
//结束数据库安装
$installer->endSetup();
}
}
2、加载默认数据 InstallData.php (app/code/Plugin/Test/Setup/InstallData.php)
/**
* Created by PhpStorm.
* User: Admin
* Date: 2017/12/25
* Time: 16:38
*/
namespace Plugin\Test\Setup;
use Magento\Framework\Setup\InstallDataInterface;
use Magento\Framework\Setup\ModuleContextInterface;
use Magento\Framework\Setup\ModuleDataSetupInterface;
class InstallData implements InstallDataInterface
{
/**
* 安装方法
*
* @param ModuleDataSetupInterface $setup 数据表迁移接口
* @param ModuleContextInterface $context 上下文
*
* @return bool
*/
public function install(
ModuleDataSetupInterface $setup,
ModuleContextInterface $context
) {
$data = [
['username' => 'zhangsan', 'password' => '123123', 'age' => '18', 'address' => 'shenzhen'],
['username' => 'lisi', 'password' => '456456456', 'age' => '28', 'address' => 'shanghai']
];
foreach ($data as $bind) {
$setup->getConnection()
->insertForce($setup->getTable('test_users'), $bind);
}
}
}
1、创建用户模型 (app/code/Plugin/Test/Model/User.php)
/**
* Created by PhpStorm.
* User: Admin
* Date: 2017/12/26
* Time: 9:28
*/
namespace Plugin\Test\Model;
use Magento\Framework\Model\AbstractModel;
class User extends AbstractModel
{
/**
* Initialize resource model
*
* @return void
*/
protected function _construct()
{
//初始化资源模型
$this->_init('Plugin\Test\Model\ResourceModel\User');
}
}
2、创建用户资源模型 (app/code/Plugin/Test/Model/ResourceModel/User.php)
/**
* Created by PhpStorm.
* User: Admin
* Date: 2017/12/26
* Time: 9:29
*/
namespace Plugin\Test\Model\ResourceModel;
use Magento\Framework\Model\ResourceModel\Db\AbstractDb;
class User extends AbstractDb
{
/**
* Initialize resource model
*
* @return void
*/
protected function _construct()
{
$this->_init('test_users', 'id');
}
}
3、创建用户集合 (app/code/Plugin/Test/Model/ResourceModel/User/Collection.php)
/**
* Created by PhpStorm.
* User: Admin
* Date: 2017/12/26
* Time: 9:43
*/
namespace Plugin\Test\Model\ResourceModel\User;
use Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection;
class Collection extends AbstractCollection
{
/**
* 数据表 主键字段 ID
*
* @var string
*/
protected $_idFieldName = 'id';
/**
* 构造方法
*
* @return bool
*/
protected function _construct()
{
$this->_init(
'Plugin\Test\Model\User',
'Plugin\Test\Model\ResourceModel\User'
);
}
}
4、修改 (app/code/Plugin/Test/view/frontend/template/index/hello.phtml) Block 中的代码,加载数据库中的数据到 web 端输出,如下图所示;
我是 hello world !
$block->testOutputAction();?>
"600" border="1" cellspacing="0">
编号
姓名
密码
年龄
地址
foreach($block->getUserData() as $key=>$val) :?>
00000 echo $val['id'];?>
echo $val['username'];?>
echo $val['password'];?>
echo $val['age'];?>
echo $val['address'];?>
endforeach;?>