MVP模式详情

  

//V层

public interface XqActivity {

    public void show(String str);
    public void showNews(GoodXiangBean goodXiangBean);
}

//M层

public interface IXqModel {
    public void getShow(OnNetListener<GoodXiangBean> onNetListener, String pid);
}



public class XqModel implements IXqModel {
    @Override
    public void getShow(final OnNetListener<GoodXiangBean> onNetListener, String pid) {

        ServerApi serverApi = RetrofitHelper.getServerApi();
        serverApi.detail(pid)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Subscriber<GoodXiangBean>(){

                    @Override
                    public void onCompleted() {

                    }

                    @Override
                    public void onError(Throwable e) {

                    }

                    @Override
                    public void onNext(GoodXiangBean goodXiangBean) {

                        onNetListener.onSuccess(goodXiangBean);

                    }
                });

    }
}

 //P层
public class XqPresenter {
    private XqActivity xqActivity;
    private IXqModel iXqModel;

    public XqPresenter(XqActivity xqActivity) {
        this.xqActivity = xqActivity;
        this.iXqModel=new XqModel();
    }
    public void getData(String pid){
        iXqModel.getShow(new OnNetListener<GoodXiangBean>() {
            @Override
            public void onSuccess(GoodXiangBean goodXiangBean) {

                xqActivity.showNews(goodXiangBean);
            }

            @Override
            public void onFailure(Exception e) {

            }
        },pid);
    }
}

  //主方法

  
public class Main2Activity extends AppCompatActivity implements View.OnClickListener,XqActivity {

    private SimpleDraweeView mDeSdv;
    private TextView mDeTv1;
    /**
     * ¥
     */
    private TextView mDePrice;
    /**
     * 评价
     */
    private TextView mDePj;
    /**
     * 购物车
     */
    private Button mShowCart;
    /**
     * 加入购物车
     */
    private Button mAddcar;
    private GoodXiangBean.DataBean data;
    private int uid;
    private XqPresenter xiangPresenter;
    private AddPresenter addPresenter;
    public TwoStatePreference allCheckbox;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        initView();
        Intent intent = getIntent();
        String pid = intent.getStringExtra("pid");
        xiangPresenter = new XqPresenter(this);
        addPresenter = new AddPresenter(this);
        xiangPresenter.getData(pid);
        uid = MyApp.sp.getInt("uid", 0);

    }

    private void initView() {
        
        mDeSdv = (SimpleDraweeView) findViewById(R.id.de_sdv);
        mDeTv1 = (TextView) findViewById(R.id.de_tv1);
        mDePrice = (TextView) findViewById(R.id.de_price);
        mDePj = (TextView) findViewById(R.id.de_pj);
        mShowCart = (Button) findViewById(R.id.show_cart);
        mShowCart.setOnClickListener(this);
        mAddcar = (Button) findViewById(R.id.addcar);
        mAddcar.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            default:
                break;
            case R.id.show_cart:
                Intent intent = new Intent(Main2Activity.this, Main3Activity.class);
                startActivity(intent);
                break;
            case R.id.addcar:
                addPresenter.setAdd(uid+"71",+data.getPid());
                break;
        }
    }

    @Override
    public void show(String str) {
        Toast.makeText(Main2Activity.this, str, Toast.LENGTH_SHORT).show();
    }

    @Override
    public void showNews(GoodXiangBean goodXiangBean) {
        data = goodXiangBean.getData();
        String images = this.data.getImages();
        String[] split = images.split("\\|");
        mDeSdv.setImageURI(split[0]);
        mDeTv1.setText(this.data.getTitle());
        mDePrice.setText("¥" + this.data.getPrice());
    }
}
//bean类
public class GoodXiangBean {

    /**
     * msg :
     * seller : {"description":"我是商家17","icon":"http://120.27.23.105/images/icon.png","name":"商家17","productNums":999,"score":5,"sellerid":17}
     * code : 0
     * data : {"bargainPrice":111.99,"createtime":"2017-10-14T21:39:05","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","itemtype":1,"pid":1,"price":118,"pscid":1,"salenum":0,"sellerid":17,"subhead":"每个中秋都不能简单,无论身在何处,你总需要一块饼让生活更圆满,京东月饼让爱更圆满京东自营,闪电配送,更多惊喜,快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}
     */

    private String msg;
    private SellerBean seller;
    private String code;
    private DataBean data;

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public SellerBean getSeller() {
        return seller;
    }

    public void setSeller(SellerBean seller) {
        this.seller = seller;
    }

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public DataBean getData() {
        return data;
    }

    public void setData(DataBean data) {
        this.data = data;
    }

    public static class SellerBean {
        /**
         * description : 我是商家17
         * icon : http://120.27.23.105/images/icon.png
         * name : 商家17
         * productNums : 999
         * score : 5.0
         * sellerid : 17
         */

        private String description;
        private String icon;
        private String name;
        private int productNums;
        private double score;
        private int sellerid;

        public String getDescription() {
            return description;
        }

        public void setDescription(String description) {
            this.description = description;
        }

        public String getIcon() {
            return icon;
        }

        public void setIcon(String icon) {
            this.icon = icon;
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public int getProductNums() {
            return productNums;
        }

        public void setProductNums(int productNums) {
            this.productNums = productNums;
        }

        public double getScore() {
            return score;
        }

        public void setScore(double score) {
            this.score = score;
        }

        public int getSellerid() {
            return sellerid;
        }

        public void setSellerid(int sellerid) {
            this.sellerid = sellerid;
        }
    }

    public static class DataBean {
        /**
         * bargainPrice : 111.99
         * createtime : 2017-10-14T21:39:05
         * detailUrl : https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends
         * images : https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg
         * itemtype : 1
         * pid : 1
         * price : 118.0
         * pscid : 1
         * salenum : 0
         * sellerid : 17
         * subhead : 每个中秋都不能简单,无论身在何处,你总需要一块饼让生活更圆满,京东月饼让爱更圆满京东自营,闪电配送,更多惊喜,快用手指戳一下
         * title : 北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g
         */

        private double bargainPrice;
        private String createtime;
        private String detailUrl;
        private String images;
        private int itemtype;
        private int pid;
        private double price;
        private int pscid;
        private int salenum;
        private int sellerid;
        private String subhead;
        private String title;

        public double getBargainPrice() {
            return bargainPrice;
        }

        public void setBargainPrice(double bargainPrice) {
            this.bargainPrice = bargainPrice;
        }

        public String getCreatetime() {
            return createtime;
        }

        public void setCreatetime(String createtime) {
            this.createtime = createtime;
        }

        public String getDetailUrl() {
            return detailUrl;
        }

        public void setDetailUrl(String detailUrl) {
            this.detailUrl = detailUrl;
        }

        public String getImages() {
            return images;
        }

        public void setImages(String images) {
            this.images = images;
        }

        public int getItemtype() {
            return itemtype;
        }

        public void setItemtype(int itemtype) {
            this.itemtype = itemtype;
        }

        public int getPid() {
            return pid;
        }

        public void setPid(int pid) {
            this.pid = pid;
        }

        public double getPrice() {
            return price;
        }

        public void setPrice(double price) {
            this.price = price;
        }

        public int getPscid() {
            return pscid;
        }

        public void setPscid(int pscid) {
            this.pscid = pscid;
        }

        public int getSalenum() {
            return salenum;
        }

        public void setSalenum(int salenum) {
            this.salenum = salenum;
        }

        public int getSellerid() {
            return sellerid;
        }

        public void setSellerid(int sellerid) {
            this.sellerid = sellerid;
        }

        public String getSubhead() {
            return subhead;
        }

        public void setSubhead(String subhead) {
            this.subhead = subhead;
        }

        public String getTitle() {
            return title;
        }

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

//布局
 
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="10dp">

    <com.facebook.drawee.view.SimpleDraweeView
        android:id="@+id/de_sdv"
        android:layout_width="match_parent"
        android:layout_height="200dp"
        app:placeholderImage="@mipmap/ic_launcher_round" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="20dp"
        android:orientation="vertical">

        <TextView
            android:id="@+id/de_tv1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="30dp" />

        <TextView
            android:id="@+id/de_price"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="26dp"
            android:text="¥"
            android:textColor="#F23030"
            android:textSize="20sp" />

        <TextView
            android:id="@+id/de_pj"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="评价" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_alignParentBottom="true"
            android:layout_weight="9"
            android:orientation="horizontal">

            <Button
                android:id="@+id/show_cart"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:gravity="center"
                android:text="购物车" />

            <Button
                android:id="@+id/addcar"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:gravity="center"
                android:text="加入购物车" />
        </LinearLayout>
    </LinearLayout>
</LinearLayout>

下载前必看:https://renmaiwang.cn/s/bvbfw Verilog设计_串并转换 / 移位寄存器实现了一种串并转换的功能,其核心原理在于移位寄存器的运用。 这里详细展示了串转并以及并转串两种不同的设计方案。 每一种转换模式都设有专属的使能信号,同时并行输出数据的格式提供了两种选择:最低有效位优先(lsb)和最高有效位优先(msb)。 串并转换技术主要应用于串行传输与并行传输这两种数据传输模式之间的相互转换,而移位寄存器是达成这一目标的常用工具,能够支持并行及串行的数据输入与输出操作。 这些移位寄存器通常被设定为“串行输入、并行输出”(SIPO)或“并行输入、串行输出”(PISO)两种工作模式。 在串行数据输出的过程中,构成数据和字符的码元会按照既定的时间顺序逐位进行传输。 相比之下,并行数据传输则是在同一时刻将固定数量(普遍为8位或16位等)的数据和字符码元同时发送至接收端。 数据输入通常采用串行格式进行。 一旦数据成功输入寄存器,它便可以在所有输出端同时被读取,或者选择逐位移出。 寄存器中的每个触发器均设计为边沿触发类型,并且所有触发器均以特定的时钟频率协同工作。 对于每一个输入位而言,它需要经过N个时钟周期才能最终在N个输出端呈现,从而完成并行输出。 值得注意的是,在串行加载数据期间,并行输出端的数据状态应保持稳定。 数据输入则采用并行格式。 在将数据写入寄存器的操作过程中,写/移位控制线必须暂时处于非工作状态;而一旦需要执行移位操作,控制线便会变为激活状态,并且寄存器会被锁定以保持当前状态。 只要时钟周期数不超过输入数据串的长度,数据输出端Q将按照预定的顺序逐位读出并行数据,并且必须明确区分最低有效位(LSB)和最高有效位(MSB)。
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