java/w9/Article.java

package com.example.datacollect.model;

import java.time.LocalDate;
import java.util.Objects;

/**
 * 文章实体类
 * 用于存储文章的相关信息
 */
public class Article {

    private String title;
    private String url;
    private String content;
    private String author;
    private LocalDate publishDate;

    /**
     * 无参构造方法
     */
    public Article() {
    }

    /**
     * 全参构造方法
     * @param title 文章标题
     * @param url 文章URL
     * @param content 文章内容
     * @param author 作者
     * @param publishDate 发布日期
     */
    public Article(String title, String url, String content, String author, LocalDate publishDate) {
        this.title = title;
        this.url = url;
        this.content = content;
        this.author = author;
        this.publishDate = publishDate;
    }

    // Getter 和 Setter 方法
    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }

    public String getContent() {
        return content;
    }

    public void setContent(String content) {
        this.content = content;
    }

    public String getAuthor() {
        return author;
    }

    public void setAuthor(String author) {
        this.author = author;
    }

    public LocalDate getPublishDate() {
        return publishDate;
    }

    public void setPublishDate(LocalDate publishDate) {
        this.publishDate = publishDate;
    }

    @Override
    public String toString() {
        return "Article{"
                + "title='" + title + '\''
                + ", url='" + url + '\''
                + ", content='" + content + '\''
                + ", author='" + author + '\''
                + ", publishDate=" + publishDate
                + '}';
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Article article = (Article) o;
        return Objects.equals(url, article.url);
    }

    @Override
    public int hashCode() {
        return Objects.hash(url);
    }
}