import java.util.Date;

public class Article {
    private String title;
    private String content;
    private String author;      // 新增字段：作者
    private Date publishDate;   // 新增字段：发布日期
    
    public Article() {
        this.publishDate = new Date(); // 默认使用当前时间
    }
    
    public Article(String title, String content, String author) {
        this.title = title;
        this.content = content;
        this.author = author;
        this.publishDate = new Date();
    }
    
    public Article(String title, String content, String author, Date publishDate) {
        this.title = title;
        this.content = content;
        this.author = author;
        this.publishDate = publishDate;
    }
    
    // Getters and Setters
    public String getTitle() {
        return title;
    }
    
    public void setTitle(String title) {
        this.title = title;
    }
    
    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 Date getPublishDate() {
        return publishDate;
    }
    
    public void setPublishDate(Date publishDate) {
        this.publishDate = publishDate;
    }
    
    @Override
    public String toString() {
        return "Article{" +
                "title='" + title + '\'' +
                ", content='" + content + '\'' +
                ", author='" + author + '\'' +
                ", publishDate=" + publishDate +
                '}';
    }
}