第三周作业

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发布于: 2020 年 06 月 24 日
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说明： 实现打印功能，所有组件均实现接口IDraw接口中的print方法，Frame是父类型组件，可以包含子组件，WinForm是窗体组件，可以包含任意组件，是最高层组件
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public class Button implements IDraw{
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    public Button(String title){
        this.title = title;
    }
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    private String title;
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    @Override
    public void print() {
        System.out.println(title+"按钮");
    }
}
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public class CheckBox implements IDraw{
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    public CheckBox(String title){
        this.title = title;
    }
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    private String title;
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    @Override
    public void print() {
        System.out.println("复选框："+title);
    }
}
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public class Frame implements IDraw{
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    public Frame(String title){
        this.title = title;
    }
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    private String title;
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    private List<IDraw> children = new ArrayList<>();
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    @Override
    public void print() {
        System.out.println("***"+title+"***开始");
        for(IDraw child:children){
            child.print();
        }
        System.out.println("***"+title+"***结束");
    }
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    /**
     * 添加子组件
     * @param iDraw
     */
    public void addChild(IDraw iDraw){
        children.add(iDraw);
    }
}
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public interface IDraw {
    //单元
    void print();
}
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public class Label implements IDraw{
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    public Label(String title){
        this.title = title;
    }
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    private String title;
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    @Override
    public void print() {
        System.out.println("标签："+title);
    }
}
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public class LinkLabel implements IDraw{
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    public LinkLabel(String title){
        this.title = title;
    }
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    private String title;
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    @Override
    public void print() {
        System.out.println("跳转链接："+title);
    }
}
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public class PasswordBox implements IDraw{
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    public PasswordBox(String title){
        this.title = title;
    }
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    private String title;
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    @Override
    public void print() {
        System.out.println("密码框："+title);
    }
}
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public class Pictrue implements IDraw{
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    public Pictrue(String title){
        this.title = title;
    }
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    private String title;
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    @Override
    public void print() {
        System.out.println("图片："+title);
    }
}
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public class TextBox implements IDraw{
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    public TextBox(String title){
        this.title = title;
    }
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    private String title;
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    @Override
    public void print() {
        System.out.println("文本框："+title);
    }
}
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public class WinForm implements IDraw{
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    public WinForm(String title){
        this.title = title;
    }
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    private String title;
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    private List<IDraw> children = new ArrayList<>();
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    @Override
    public void print() {
        System.out.println("==="+title+"===开始");
        for(IDraw child:children){
            child.print();
        }
        System.out.println("==="+title+"===结束");
    }
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    /**
     * 添加子组件
     * @param iDraw
     */
    public void addChild(IDraw iDraw){
        children.add(iDraw);
    }
}
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发布于: 2020 年 06 月 24 日阅读数: 25
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