
<h5 style="color:red;">系统学习magento二次开发,推荐小册:<a style="color:blue;" href="https://www.maxiaoke.com/manual/magento_cn_dev.html" target="_blank">《Magento中文全栈二次开发 》</a></h5> <div class="image-container"> <p> <a style="color:blue;" href="https://www.maxiaoke.com/manual/magento_cn_dev.html" target="_blank"> <img src="https://www.maxiaoke.com/uploads/images/20230218/bb9c82995c24d1105676e02f373755f5.jpg" alt="Magento中文全栈二次开发"> </a> </p> </div> <div class="text-container" style="font-size:14px; color:#888"> <p>本小册面向Magento2以上版本,书代码及示例兼容magento2.0-2.4版本。涵盖了magento前端开发,后端开发,magento2主题,magento2重写,magento2 layout,magento2控制器,magento2 block等相关内容,带领您成为magento开发技术专家。</p> </div> <hr><p class="p1" style="margin-top: 0px; margin-bottom: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 15px; line-height: normal; font-family: "Helvetica Neue"; white-space: normal;">在Magento 2中,您可以使用Radioset组件来创建一个包含一组单选按钮的表单。以下是一个简单的Radioset组件示例:</p><pre class="brush:as3;toolbar:false">use Magento\Framework\View\Element\AbstractBlock; use Magento\Framework\View\Element\Context; class RadioSet extends AbstractBlock { protected $options = []; protected $name = ''; protected $value = ''; public function __construct(Context $context, array $data = []) { parent::__construct($context, $data); $this->options = $data['options'] ?? []; $this->name = $data['name'] ?? ''; $this->value = $data['value'] ?? ''; } protected function _prepareLayout() { $html = '<div class="radioset">'; foreach ($this->options as $option) { $html .= '<label>'; $html .= '<input type="radio" name="' . $this->name . '" value="' . $option['value'] . '"'; if ($option['value'] == $this->value) { $html .= ' checked="checked"'; } $html .= '/>'; $html .= '<span>' . $option['label'] . '</span>'; $html .= '</label>'; } $html .= '</div>'; $this->setTemplate(null)->setData('html', $html); return parent::_prepareLayout(); } }</pre><p class="p2" style="margin-top: 0px; margin-bottom: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 15px; line-height: normal; font-family: "PingFang SC"; white-space: normal;">在此示例中,我们创建了一个<span class="s1" style="font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";">Radioset</span>组件,该组件通过<span class="s1" style="font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";">$options</span>属性接收一个选项数组、通过<span class="s1" style="font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";">$name</span>属性接收一个组件名称、并通过<span class="s1" style="font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";">$value</span>属性接收一个默认选项值。我们使用<span class="s1" style="font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";">_prepareLayout</span>方法来构建一个包含单选按钮的<span class="s1" style="font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";">HTML</span>字符串,并将其存储在组件的<span class="s1" style="font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";">html</span>属性中。我们使用<span class="s1" style="font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";">setTemplate</span>方法将组件的模板设置为<span class="s1" style="font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";">null</span>,并返回父类<span class="s1" style="font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; line-height: normal; font-family: "Helvetica Neue";">_prepareLayout</span>方法来确保组件正确呈现。</p><p><br/></p>