<dependency>
    <groupId>org.apache.sling</groupId>
    <artifactId>org.apache.sling.models.api</artifactId>
    <version>1.3.0</version>
    <scope>provided</scope>
</dependency>

package com.example.models;

import org.apache.sling.api.resource.Resource;
import org.apache.sling.models.annotations.Model;
import org.apache.sling.models.annotations.Optional;
import org.apache.sling.models.annotations.injectorspecific.ValueMapValue;

@Model(adaptables = Resource.class)
public interface PageModel {
    
    @ValueMapValue(name = "jcr:title")
    String getTitle();
    
    @ValueMapValue
    @Optional
    String getDescription();
    
    @ValueMapValue(name = "jcr:created")
    String getCreatedDate();
    
    // 其他需要的页面属性...
}

<sly data-sly-use.pageModel="com.example.models.PageModel">
    <h1>${pageModel.title}</h1>
    <p>${pageModel.description}</p>
    <p>Created on: ${pageModel.createdDate}</p>
</sly>

import org.apache.sling.api.resource.Resource;
import org.apache.sling.models.factory.ModelFactory;
import com.example.models.PageModel;

// 获取当前页面的资源
Resource pageResource = request.getResourceResolver().getResource("/content/mysite/mypage");

// 通过ModelFactory获取模型
ModelFactory modelFactory = getService(ModelFactory.class);
PageModel pageModel = modelFactory.createModel(pageResource, PageModel.class);

// 使用属性
String title = pageModel.getTitle();

@Model(adaptables = Resource.class)
public class CustomPageModel {
    
    @ValueMapValue
    private String[] tags;
    
    public String getTagsAsString() {
        return String.join(", ", tags);
    }
}