购物车

最新推荐文章于 2025-05-27 22:02:50 发布

原创最新推荐文章于 2025-05-27 22:02:50 发布 · 180 阅读

CC 4.0 BY-SA版权

package com.example.administrator.erzhoumoni.shopcar;

import com.example.administrator.erzhoumoni.base.BaseContract;
import com.example.administrator.erzhoumoni.bean.GetCartsBean;
import com.example.administrator.erzhoumoni.bean.SellerBean;

import java.util.List;

/**
 * Created by Administrator on 2018/5/19 0019.
 */

public interface ShopCarContract {
    interface View extends BaseContract.BaseView{
        void getCartsSuccess( List<SellerBean> groupList, List<List<GetCartsBean.DataBean.ListBean>> childList);
        void updateCartsSuccess(String msg);
        void deleteCartSuccess(String msg);
    }
    interface presenter extends BaseContract.BasePresenter<View>{
        void getCarts(String uid, String token);
        void updateCarts(String uid, String sellerid, String pid, String num, String selected, String token);
        void deleteCart(String uid, String pid, String token);
    }

}

package com.example.administrator.erzhoumoni.shopcar;

import com.example.administrator.erzhoumoni.base.BasePresenter;
import com.example.administrator.erzhoumoni.bean.BaseBean;
import com.example.administrator.erzhoumoni.bean.GetCartsBean;
import com.example.administrator.erzhoumoni.bean.SellerBean;
import com.example.administrator.erzhoumoni.net.ProjectApi;

import java.util.ArrayList;
import java.util.List;

import javax.inject.Inject;

import io.reactivex.Observer;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.functions.Function;
import io.reactivex.schedulers.Schedulers;

/**
 * Created by Administrator on 2018/5/19 0019.
 */

public class ShopCarPresenter extends BasePresenter<ShopCarContract.View> implements ShopCarContract.presenter {
    private ProjectApi projectApi;
    @Inject
    public ShopCarPresenter(ProjectApi projectApi) {
        this.projectApi = projectApi;
    }

    @Override
    public void getCarts(String uid, String token) {
        projectApi.getCarts(uid,token)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
               .subscribe(new Observer<GetCartsBean>() {
                   @Override
                   public void onSubscribe(Disposable d) {

                   }

                   @Override
                   public void onNext(GetCartsBean getCartsBean) {
                       List<SellerBean> groupList = new ArrayList<>();
                       List<List<GetCartsBean.DataBean.ListBean>> childList = new ArrayList<>();
                       List<GetCartsBean.DataBean> data = getCartsBean.getData();
                       for (int i = 0; i < data.size(); i++) {
                           GetCartsBean.DataBean dataBean = data.get(i);
                           SellerBean sellerBean = new SellerBean();
                           sellerBean.setSellerid(dataBean.getSellerid());
                           sellerBean.setSellerName(dataBean.getSellerName());
                           sellerBean.setSelected(isSellerProductAllSelect(dataBean));
                           groupList.add(sellerBean);
                           List<GetCartsBean.DataBean.ListBean> list = dataBean.getList();
                           childList.add(list);
                       }
                       if (mView != null) {
                           mView.getCartsSuccess(groupList,childList);
                       }

                   }

                   @Override
                   public void onError(Throwable e) {

                   }

                   @Override
                   public void onComplete() {

                   }
               });
    }

    @Override
    public void updateCarts(String uid, String sellerid, String pid, String num, String selected, String token) {
        projectApi.updateCarts(uid, sellerid, pid, num, selected, token)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .map(new Function<BaseBean, String>() {
                    @Override
                    public String apply(BaseBean baseBean) throws Exception {
                        return baseBean.getMsg();
                    }
                }).subscribe(new Observer<String>() {
            @Override
            public void onSubscribe(Disposable d) {

            }

            @Override
            public void onNext(String s) {
                if (mView != null) {
                    mView.updateCartsSuccess(s);
                }
            }

            @Override
            public void onError(Throwable e) {

            }

            @Override
            public void onComplete() {

            }
        });

    }

    @Override
    public void deleteCart(String uid, String pid, String token) {
        projectApi.deleteCart(uid, pid, token)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .map(new Function<BaseBean, String>() {
                    @Override
                    public String apply(BaseBean baseBean) throws Exception {
                        return baseBean.getMsg();
                    }
                }).subscribe(new Observer<String>() {
            @Override
            public void onSubscribe(Disposable d) {

            }

            @Override
            public void onNext(String s) {
                if (mView != null) {
                    mView.deleteCartSuccess(s);
                }
            }

            @Override
            public void onError(Throwable e) {

            }

            @Override
            public void onComplete() {

            }
        });
    }

    public boolean isSellerProductAllSelect(GetCartsBean.DataBean dataBean){
        List<GetCartsBean.DataBean.ListBean> list = dataBean.getList();
        for (int i = 0; i <list.size() ; i++) {
            GetCartsBean.DataBean.ListBean listBean = list.get(i);
            if (listBean.getSelected()==0){
                return false;
            }
        }
        return true;

    }
}

AddSubLayout

package com.example.administrator.erzhoumoni;

import android.content.Context;
import android.support.annotation.Nullable;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;


/**
 * Created by Administrator on 2018/4/29 0029.
 */

public class AddSubLayout extends LinearLayout {

    private TextView add;
    private TextView sub;
    private EditText num;

    public AddSubLayout(Context context) {
        this(context,null);
    }

    public AddSubLayout(Context context, @Nullable AttributeSet attrs) {
        this(context, attrs,0);
    }

    public AddSubLayout(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        View view = LayoutInflater.from(context).inflate(R.layout.add_sub_item, this);
        add = view.findViewById(R.id.add);
        sub = view.findViewById(R.id.sub);
        num = view.findViewById(R.id.num);
    }
//设置数量
    public void setNum(String str){
        num.setText(str);
    }
  //获取数量
    public String getNum(){
        return num.getText().toString();
    }
    // 给加号设置点击事件
    public void setAddClickListeren(OnClickListener onClickListener){
        add.setOnClickListener(onClickListener);
    }
    // 给减号设置点击事件
    public void setSubClickListeren(OnClickListener onClickListener){
        sub.setOnClickListener(onClickListener);
    }
}

MainActivity

package com.example.administrator.erzhoumoni;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.CheckBox;
import android.widget.ExpandableListView;
import android.widget.TextView;

import com.example.administrator.erzhoumoni.adapter.ElvShopcartAdapter;
import com.example.administrator.erzhoumoni.base.BaseActivity;
import com.example.administrator.erzhoumoni.bean.GetCartsBean;
import com.example.administrator.erzhoumoni.bean.SellerBean;
import com.example.administrator.erzhoumoni.component.DaggerHttpComponent;
import com.example.administrator.erzhoumoni.shopcar.ShopCarContract;
import com.example.administrator.erzhoumoni.shopcar.ShopCarPresenter;
import com.example.administrator.erzhoumoni.uitls.SharedPreferencesUtils;

import java.util.List;

public class MainActivity extends BaseActivity<ShopCarPresenter> implements ShopCarContract.View {

    private ExpandableListView mElv;
    /**
     * 全选
     */
    private CheckBox mCbAll;
    /**
     * 合计：
     */
    private TextView mTvMoney;
    /**
     * 去结算：
     */
    private TextView mTvTotal;
    private ElvShopcartAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        initView();
        SharedPreferencesUtils.setParam(this, "uid", "13681");
        SharedPreferencesUtils.setParam(this, "token",  "0D070EAEDE56DD9C682F519F06A7661A");

        String token = (String) SharedPreferencesUtils.getParam(MainActivity.this, "token", "");
        String uid = (String) SharedPreferencesUtils.getParam(MainActivity.this, "uid", "");
        mPresenter.getCarts(uid,token);


    }

    private void initView() {
        mElv = (ExpandableListView) findViewById(R.id.elv);
        mCbAll = (CheckBox) findViewById(R.id.cbAll);
        mTvMoney = (TextView) findViewById(R.id.tvMoney);
        mTvTotal = (TextView) findViewById(R.id.tvTotal);

        mCbAll.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (adapter !=null){
                    adapter.changeAllState(mCbAll.isChecked());
                }
            }
        });

    }

    @Override
    public int getContentLayout() {
        return R.layout.activity_main;
    }

    @Override
    public void inject() {
        DaggerHttpComponent.builder().build().inject(this);
    }

    @Override
    public void getCartsSuccess(List<SellerBean> groupList, List<List<GetCartsBean.DataBean.ListBean>> childList) {
        //判断所有商家是否全部选中
        mCbAll.setChecked(isSellerAddSelected(groupList));
        adapter = new ElvShopcartAdapter(this,groupList,childList,mPresenter);
        mElv.setAdapter(adapter);
        String[] strings = adapter.computeMoneyAndNum();
        mTvMoney.setText("总计："+strings[0]+"元");
        mTvTotal.setText("去结算（"+strings[1]+"个）");
        for (int i = 0; i <groupList.size() ; i++) {
            mElv.expandGroup(i);
        }



    }
    //* 判断所有商家是否全部选中
    public boolean isSellerAddSelected(List<SellerBean> groupList){
        for (int i = 0; i <groupList.size() ; i++) {
            SellerBean sellerBean = groupList.get(i);
            if (!sellerBean.getSelected()){
                return false;
            }
        }
        return true;
    }
    @Override
    public void updateCartsSuccess(String msg) {
        if (adapter!=null){
            adapter.updataSuccess();
        }
    }

    @Override
    public void deleteCartSuccess(String msg) {
        if (adapter!=null){
            adapter.delSuccess();
        }
    }
}

package com.example.administrator.erzhoumoni.adapter;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.example.administrator.erzhoumoni.AddSubLayout;
import com.example.administrator.erzhoumoni.R;
import com.example.administrator.erzhoumoni.bean.GetCartsBean;
import com.example.administrator.erzhoumoni.bean.SellerBean;
import com.example.administrator.erzhoumoni.shopcar.ShopCarPresenter;
import com.example.administrator.erzhoumoni.uitls.SharedPreferencesUtils;
import com.facebook.drawee.view.SimpleDraweeView;

import java.util.List;

/**
 * Created by Administrator on 2018/5/19 0019.
 */

public class ElvShopcartAdapter extends BaseExpandableListAdapter {
    private Context context;
    private List<SellerBean> groupList;
    private List<List<GetCartsBean.DataBean.ListBean>> childList;
    private ShopCarPresenter shopCarPresenter;
    private final LayoutInflater inflater;
    private final String uid;
    private final String token;
    private int productIndex;
    private boolean addSelect;
    private static final int GETCARTS = 0;//查询购物车
    private static final int UPDATE_PRODUCT = 1; //更新商品
    private static final int UPDATE_SELLER = 2; //更新卖家
    private static int state = GETCARTS;
    private int groupPosition;
    private boolean checked;

    public ElvShopcartAdapter(Context context, List<SellerBean> groupList, List<List<GetCartsBean.DataBean.ListBean>> childList, ShopCarPresenter shopCarPresenter) {
        this.context = context;
        this.groupList = groupList;
        this.childList = childList;
        this.shopCarPresenter = shopCarPresenter;
        inflater = LayoutInflater.from(context);
        uid = (String) SharedPreferencesUtils.getParam(context, "uid", "");
        token = (String) SharedPreferencesUtils.getParam(context, "token", "");

    }

    @Override
    public int getGroupCount() {
        return groupList.size();
    }

    @Override
    public int getChildrenCount(int groupPosition) {
        return childList.get(groupPosition).size();
    }

    @Override
    public Object getGroup(int groupPosition) {
        return groupList.get(groupPosition);
    }

    @Override
    public Object getChild(int groupPosition, int childPosition) {
        return childList.get(groupPosition).get(childPosition);
    }

    @Override
    public long getGroupId(int groupPosition) {
        return groupPosition;
    }

    @Override
    public long getChildId(int groupPosition, int childPosition) {
        return childPosition;
    }

    @Override
    public boolean hasStableIds() {
        return true;
    }

    @Override
    public View getGroupView(final int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
        final GroupViewHolder groupViewHolder;
        if (convertView == null) {
            groupViewHolder = new GroupViewHolder();
            convertView = inflater.inflate(R.layout.shopcart_seller_item, null);
            groupViewHolder.cbSeller = convertView.findViewById(R.id.cbSeller);
            groupViewHolder.tvSeller = convertView.findViewById(R.id.tvSeller);
            convertView.setTag(groupViewHolder);
        } else {
            groupViewHolder = (GroupViewHolder) convertView.getTag();
        }

        //设置值
        final SellerBean sellerBean = groupList.get(groupPosition);
        groupViewHolder.tvSeller.setText(sellerBean.getSellerName());
        groupViewHolder.cbSeller.setChecked(sellerBean.getSelected());

        groupViewHolder.cbSeller.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //设置当前的更新状态
                state = UPDATE_PRODUCT;
                checked = groupViewHolder.cbSeller.isChecked();
                //默认从第一个商品开始更新购物车状态
                productIndex = 0;
                ElvShopcartAdapter.this.groupPosition=groupPosition;
                updateProductInSeller();

            }
        });


        return convertView;
    }
    //删除成功回调接口
    public void delSuccess() {
        shopCarPresenter.getCarts(uid, token);
    }
    private void updateProductInSeller() {

        SellerBean sellerBean = groupList.get(groupPosition);
        String sellerid = sellerBean.getSellerid();
        //获取pid
        GetCartsBean.DataBean.ListBean listBean = childList.get(groupPosition).get(productIndex);
        int num = listBean.getNum();
        int pid = listBean.getPid();
        shopCarPresenter.updateCarts(uid, sellerid, pid + "", num + "", checked ? "1" : "0", token);



    }

    private void updateProductInSeller(boolean bool) {

        SellerBean sellerBean = groupList.get(groupPosition);
        String sellerid = sellerBean.getSellerid();
        //获取pid
        GetCartsBean.DataBean.ListBean listBean = childList.get(groupPosition).get(productIndex);
        int num = listBean.getNum();
        int pid = listBean.getPid();
        shopCarPresenter.updateCarts(uid, sellerid, pid + "", num + "", bool ? "1" : "0", token);



    }


    @Override
    public View getChildView(final int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
        final ChildViewHolder childViewHolder;
        if (convertView == null) {
            childViewHolder = new ChildViewHolder();
            convertView = inflater.inflate(R.layout.shopcart_seller_product_item, null);
            childViewHolder.cbProduct = convertView.findViewById(R.id.cbProduct);
            childViewHolder.iv = convertView.findViewById(R.id.iv);
            childViewHolder.tvTitle = convertView.findViewById(R.id.tvTitle);
            childViewHolder.tvPrice = convertView.findViewById(R.id.tvPrice);
            childViewHolder.tvDel = convertView.findViewById(R.id.tvDel);
            childViewHolder.addSubLayout = convertView.findViewById(R.id.add_sub);
            convertView.setTag(childViewHolder);
        } else {
            childViewHolder = (ChildViewHolder) convertView.getTag();
        }
        //设置值
        final GetCartsBean.DataBean.ListBean listBean = childList.get(groupPosition).get(childPosition);
        childViewHolder.tvTitle.setText(listBean.getTitle());
        childViewHolder.tvPrice.setText(listBean.getPrice()+"");
        childViewHolder.iv.setImageURI(listBean.getImages().split("\\|")[0]);
        childViewHolder.cbProduct.setChecked(listBean.getSelected()==1?true:false);
        childViewHolder.addSubLayout.setNum(listBean.getNum()+"");

        childViewHolder.cbProduct.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                state = GETCARTS;
                ElvShopcartAdapter.this.groupPosition = groupPosition;
                //获取卖家id
                String sellerid = groupList.get(groupPosition).getSellerid();
                //获取pid
                String pid = listBean.getPid() + "";
                //是否选中
                boolean childchecked = childViewHolder.cbProduct.isChecked();
                shopCarPresenter.updateCarts(uid,sellerid,pid,"1",childchecked?"1":"0",token);
            }
        });

        //给删除设置点击事件
        childViewHolder.tvDel.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(context,"点击了删除",Toast.LENGTH_LONG).show();
                state = GETCARTS;
                //获取pid
                int pid = listBean.getPid();
                //删除购物车里的选项
                shopCarPresenter.deleteCart(uid, pid + "", token);

            }
        });


        //加号
        childViewHolder.addSubLayout.setAddClickListeren(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                state = GETCARTS;
                ElvShopcartAdapter.this.groupPosition = groupPosition;
                //获取卖家id
                String sellerid = groupList.get(groupPosition).getSellerid();
                //获取pid
                String pid = listBean.getPid() + "";
                int num = listBean.getNum() ;
                num+=1;
                //是否选中
                boolean childchecked = childViewHolder.cbProduct.isChecked();
                shopCarPresenter.updateCarts(uid,sellerid,pid,num+"",childchecked?"1":"0",token);

            }
        });

        //减号
        childViewHolder.addSubLayout.setSubClickListeren(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                state = GETCARTS;
                ElvShopcartAdapter.this.groupPosition = groupPosition;
                //获取卖家id
                String sellerid = groupList.get(groupPosition).getSellerid();
                //获取pid
                String pid = listBean.getPid() + "";
                int num = listBean.getNum();

                if (num<=1){
                    Toast.makeText(context, "数量不能小于1", Toast.LENGTH_SHORT).show();
                    return;
                }
                num=num-1;
                // num=num-1;
                //是否选中
                boolean childchecked = childViewHolder.cbProduct.isChecked();
                shopCarPresenter.updateCarts(uid,sellerid,pid,num+"",childchecked?"1":"0",token);

            }
        });




        return convertView;
    }

    @Override
    public boolean isChildSelectable(int groupPosition, int childPosition) {
        return false;
    }

    public void updataSuccess(){
        switch (state){
            case GETCARTS:
                //更新成功以后调用查询购物车接口
                productIndex = 0;
                groupPosition = 0;
                shopCarPresenter.getCarts(uid,token);
            break;
            case UPDATE_PRODUCT:
                //更新成功一个商品以后，再接着更新该商家下面的其它商品，直到没有商品为止
                productIndex++;
                //下标是否越界
                if (productIndex < childList.get(groupPosition).size()) {
                    //可以继续跟新商品
                    updateProductInSeller();
                } else {
                    //商品已经全部更新完成，请查询购物车
                    state = GETCARTS;
                    updataSuccess();
                }
                break;
            case UPDATE_SELLER:
                //遍历所有商家下的商品，并更新状态
                productIndex++;
                //下标是否越界
                if (productIndex < childList.get(groupPosition).size()) {
                    //可以继续跟新商品
                    updateProductInSeller(addSelect);
                } else {
                    //商品已经全部更新完成，请查询购物车
                    productIndex = 0;
                    groupPosition++;
                    if (groupPosition < groupList.size()) {
                        //可以继续跟新商品
                        updateProductInSeller(addSelect);
                    } else {
                        //商品已经全部更新完成，请查询购物车
                        state = GETCARTS;
                        updataSuccess();
                    }
                }
                break;
        }
    }
    //全选
    public void changeAllState(boolean bool){
        this.addSelect=bool;
        state=UPDATE_SELLER;
        updateProductInSeller(bool);
    }
    // 计算数量和价钱
    public String[] computeMoneyAndNum(){
        double zongji=0;
        int shuliang=0;
        for (int i = 0; i <groupList.size() ; i++) {
            for (int j=0;j<childList.get(i).size();j++){
                //判断商品是否选中
                GetCartsBean.DataBean.ListBean listBean = childList.get(i).get(j);
                if (listBean.getSelected()==1){
                    //该商品为选中状态
                    zongji+=listBean.getPrice()*listBean.getNum();
                    shuliang+=listBean.getNum();
                }
            }
        }
        return new String[]{zongji+"",shuliang+""};
    }
    class GroupViewHolder {
        CheckBox cbSeller;
        TextView tvSeller;
    }

    class ChildViewHolder {
        CheckBox cbProduct;
        SimpleDraweeView iv;
        TextView tvTitle;
        TextView tvPrice;
        TextView tvDel;
        AddSubLayout addSubLayout;
    }


}

bean包

package com.example.administrator.erzhoumoni.bean;

/**
 * Created by Administrator on 2018/5/19 0019.
 */

public class BaseBean {

    /**
     * msg : success
     * code : 0
     */

    private String msg;
    private String code;

    public String getMsg() {
        return msg;
    }

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

    public String getCode() {
        return code;
    }

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

}

package com.example.administrator.erzhoumoni.bean;

import java.util.List;

/**
 * Created by Administrator on 2018/5/19 0019.
 */

public class GetCartsBean {

    /**
     * msg : 请求成功
     * code : 0
     * data : [{"list":[{"bargainPrice":111.99,"createtime":"2017-10-03T23:53:28","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","num":1,"pid":8,"price":324,"pscid":1,"selected":0,"sellerid":1,"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"}],"sellerName":"商家1","sellerid":"1"},{"list":[{"bargainPrice":22.9,"createtime":"2017-10-14T21:38:26","detailUrl":"https://item.m.jd.com/product/2542855.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t1930/284/2865629620/390243/e3ade9c4/56f0a08fNbd3a1235.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2137/336/2802996626/155915/e5e90d7a/56f0a09cN33e01bd0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t1882/31/2772215910/389956/c8dbf370/56f0a0a2Na0c86ea6.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2620/166/2703833710/312660/531aa913/57709035N33857877.jpg!q70.jpg","num":1,"pid":25,"price":399,"pscid":2,"selected":1,"sellerid":2,"subhead":"三只松鼠零食特惠，专区满99减50，满199减100，火速抢购》","title":"三只松鼠 坚果炒货 零食奶油味 碧根果225g/袋"}],"sellerName":"商家2","sellerid":"2"},{"list":[{"bargainPrice":5599,"createtime":"2017-10-10T17:30:32","detailUrl":"https://item.m.jd.com/product/4824715.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n12/jfs/t7768/184/1153704394/148460/f42e1432/599a930fN8a85626b.jpg!q70.jpg","num":1,"pid":59,"price":5599,"pscid":40,"selected":0,"sellerid":3,"subhead":"游戏本选择4G独显，拒绝掉帧】升级版IPS全高清防眩光显示屏，WASD方向键颜色加持，三大出风口立体散热！","title":"戴尔DELL灵越游匣15PR-6648B GTX1050 15.6英寸游戏笔记本电脑(i5-7300HQ 8G 128GSSD+1T 4G独显 IPS)黑"}],"sellerName":"商家3","sellerid":"3"},{"list":[{"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","num":3,"pid":20,"price":599,"pscid":1,"selected":0,"sellerid":13,"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"}],"sellerName":"商家13","sellerid":"13"},{"list":[{"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","num":1,"pid":1,"price":118,"pscid":1,"selected":1,"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"}],"sellerName":"商家17","sellerid":"17"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-03T23:53:28","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","num":2,"pid":3,"price":198,"pscid":1,"selected":0,"sellerid":19,"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"}],"sellerName":"商家19","sellerid":"19"},{"list":[{"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","num":1,"pid":5,"price":88.99,"pscid":1,"selected":1,"sellerid":21,"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"}],"sellerName":"商家21","sellerid":"21"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-03T23:53:28","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","num":1,"pid":6,"price":7.99,"pscid":1,"selected":0,"sellerid":22,"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"}],"sellerName":"商家22","sellerid":"22"}]
     */

    private String msg;
    private String code;
    private List<DataBean> data;

    public String getMsg() {
        return msg;
    }

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

    public String getCode() {
        return code;
    }

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

    public List<DataBean> getData() {
        return data;
    }

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

    public static class DataBean {
        /**
         * list : [{"bargainPrice":111.99,"createtime":"2017-10-03T23:53:28","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","num":1,"pid":8,"price":324,"pscid":1,"selected":0,"sellerid":1,"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"}]
         * sellerName : 商家1
         * sellerid : 1
         */

        private String sellerName;
        private String sellerid;
        private List<ListBean> list;

        public String getSellerName() {
            return sellerName;
        }

        public void setSellerName(String sellerName) {
            this.sellerName = sellerName;
        }

        public String getSellerid() {
            return sellerid;
        }

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

        public List<ListBean> getList() {
            return list;
        }

        public void setList(List<ListBean> list) {
            this.list = list;
        }

        public static class ListBean {
            /**
             * bargainPrice : 111.99
             * createtime : 2017-10-03T23:53:28
             * 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
             * num : 1
             * pid : 8
             * price : 324.0
             * pscid : 1
             * selected : 0
             * sellerid : 1
             * 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 num;
            private int pid;
            private double price;
            private int pscid;
            private int selected;
            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 getNum() {
                return num;
            }

            public void setNum(int num) {
                this.num = num;
            }

            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 getSelected() {
                return selected;
            }

            public void setSelected(int selected) {
                this.selected = selected;
            }

            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;
            }
        }
    }
}

package com.example.administrator.erzhoumoni.bean;

/**
 * Created by Administrator on 2018/5/19 0019.
 */

public class SellerBean {
    private String sellerName;
    private String sellerid;
    private Boolean selected;

    public String getSellerName() {
        return sellerName;
    }

    public void setSellerName(String sellerName) {
        this.sellerName = sellerName;
    }

    public String getSellerid() {
        return sellerid;
    }

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

    public Boolean getSelected() {
        return selected;
    }

    public void setSelected(Boolean selected) {
        this.selected = selected;
    }
}

module包

package com.example.administrator.erzhoumoni.module;

import com.example.administrator.erzhoumoni.net.API;
import com.example.administrator.erzhoumoni.net.MyInterceptor;
import com.example.administrator.erzhoumoni.net.ProjectApi;
import com.example.administrator.erzhoumoni.net.ProjectApiService;

import java.util.concurrent.TimeUnit;

import dagger.Module;
import dagger.Provides;
import okhttp3.OkHttpClient;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
import retrofit2.converter.gson.GsonConverterFactory;

/**
 * Created by Administrator on 2018/5/19 0019.
 */
@Module
public class HttpModule {
    @Provides
    OkHttpClient.Builder provideOkHttpClientBuilder() {
        return new OkHttpClient.Builder()
                .writeTimeout(20, TimeUnit.SECONDS)
                .readTimeout(20, TimeUnit.SECONDS)
                .connectTimeout(10, TimeUnit.SECONDS);
    }
    @Provides
    ProjectApi provideProjectApi(OkHttpClient.Builder builder){


        builder.addInterceptor(new MyInterceptor());
        Retrofit retrofit = new Retrofit.Builder().baseUrl(API.BASEURL)
                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .addConverterFactory(GsonConverterFactory.create())
                .client(builder.build())
                .build();
        ProjectApiService projectApiService = retrofit.create(ProjectApiService.class);
        return ProjectApi.getProjectApi(projectApiService);


    }

}

add_sub_item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="horizontal" android:layout_width="match_parent"
    android:layout_height="match_parent">
<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/sub"
    android:padding="10dp"
    android:text="-"

    android:background="#fff"/>

    <TextView
        android:id="@+id/num"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:paddingBottom="7dp"
        android:paddingLeft="20dp"
        android:paddingRight="20dp"
        android:background="#fff"
        android:paddingTop="7dp" />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/add"
        android:padding="10dp"
        android:background="#fff"
        android:text="+"/>

</LinearLayout>

activity_shop_car.xml

<?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"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.example.administrator.yuekaomoni.shopcar.ShopCarActivity">
    <TextView
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:gravity="center"
        android:text="购物车"/>

    <ExpandableListView
        android:id="@+id/elv"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1"></ExpandableListView>

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="40dp">

        <CheckBox
            android:id="@+id/cbAll"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:text="全选"/>

        <TextView
            android:id="@+id/tvMoney"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_marginLeft="10dp"
            android:layout_toRightOf="@id/cbAll"
            android:text="合计："/>

        <TextView
            android:id="@+id/tvTotal"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:paddingLeft="10dp"
            android:paddingRight="10dp"
            android:layout_centerVertical="true"
            android:layout_alignParentRight="true"
            android:textColor="#ffffff"
            android:background="#ff0000"
            android:gravity="center"
            android:layout_marginLeft="10dp"
            android:text="去结算："/>
    </RelativeLayout>


</LinearLayout>

shopcart_seller_item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="30dp"
              android:gravity="center_vertical"
              android:orientation="horizontal">

    <CheckBox
        android:id="@+id/cbSeller"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="5dp"/>

    <TextView
        android:id="@+id/tvSeller"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"/>

</LinearLayout>

shopcart_seller_product_item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:padding="10dp"
    android:layout_height="150dp"
    android:orientation="horizontal">

    <CheckBox
        android:layout_marginLeft="20dp"
        android:id="@+id/cbProduct"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        />



    <ImageView
        android:id="@+id/iv"
        android:layout_width="70dp"
        android:layout_height="70dp"
        android:layout_gravity="center_vertical"/>

    <LinearLayout
        android:layout_width="200dp"
        android:layout_height="150dp"
        android:layout_marginBottom="5dp"
        android:layout_marginTop="5dp"
        android:orientation="vertical">

        <TextView
            android:id="@+id/tvTitle"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="5dp"/>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="70dp"
            android:orientation="horizontal">

            <TextView
                android:id="@+id/tvPrice"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="bottom"
                android:text="12312"
                android:textColor="#ff0000"/>

            <com.example.administrator.yuekaomoni.shopcar.AddSubLayout
                android:layout_width="wrap_content"
                android:layout_marginLeft="30dp"
                android:layout_marginTop="20dp"
                android:layout_height="wrap_content"
                android:id="@+id/add_sub"></com.example.administrator.yuekaomoni.shopcar.AddSubLayout>

        </LinearLayout>
    </LinearLayout>
<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="删除"
    android:id="@+id/tvDel"
    android:textSize="25dp"
    android:layout_gravity="center_vertical"
    android:textColor="#f12"/>

</LinearLayout>