简单的二级购物车
来源：互联网 发布：linux使用gdb 编辑：程序博客网 时间：2024/05/22 00:47
1.权限 依赖
<uses-permission android:name="android.permission.INTERNET"></uses-permission> compile 'com.squareup.okhttp3:okhttp:3.9.1' compile 'com.jakewharton:butterknife:8.8.1' annotationProcessor'com.jakewharton:butterknife-compiler:8.8.1' compile 'com.github.bumptech.glide:glide:3.7.0' compile 'com.google.code.gson:gson:2.8.1'2.布局（5个）
2.1–activity_main.xml（自定义空件一定要在自己的包下）
<RelativeLayout 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" tools:context="com.example.mylasst.MainActivity" > <com.example.mylasst.ZdY.CarTitleView android:id="@+id/ctv_title" android:layout_width="match_parent" android:layout_height="40dp"/> <ExpandableListView android:id="@+id/pt_lv" android:layout_below="@id/ctv_title" android:descendantFocusability = "blocksDescendants" android:divider="@null" android:scrollbars="none" android:layout_width="match_parent" android:layout_height="wrap_content"> </ExpandableListView> <LinearLayout android:visibility="gone" android:orientation="vertical" android:id="@+id/ll_toBuy" android:layout_width="match_parent" android:layout_height="wrap_content"> <ImageView android:src="@mipmap/ic_launcher" android:layout_width="match_parent" android:layout_height="wrap_content" /> <Button android:layout_gravity="center" android:id="@+id/btn_toBuy" android:text="去逛逛" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </LinearLayout> <LinearLayout android:id="@+id/lll_one" android:orientation="horizontal" android:visibility="visible" android:background="#FFFFFF" android:layout_alignParentBottom="true" android:layout_width="match_parent" android:layout_height="50dp"> <CheckBox android:layout_gravity="center" android:id="@+id/cb_all" android:text="全选" android:textSize="16dp" android:layout_width="0dp" android:layout_weight="1" android:layout_height="wrap_content" /> <TextView android:id="@+id/tv_rental" android:layout_marginLeft="20dp" android:gravity="center_vertical" android:text="合计:￥0" android:textSize="20dp" android:layout_width="0dp" android:layout_weight="1" android:layout_height="match_parent" /> <TextView android:id="@+id/tv_num" android:layout_marginLeft="10dp" android:gravity="center_vertical" android:text="数量:0" android:textSize="20dp" android:layout_width="0dp" android:layout_weight="1" android:layout_height="match_parent" /> <Button android:id="@+id/btn_goto" android:layout_width="0dp" android:layout_weight="1" android:layout_gravity="right" android:gravity="center" android:layout_height="match_parent" android:background="#cc0000" android:text="去结算" android:textColor="#FFFF" android:textSize="20dp" /> </LinearLayout> <LinearLayout android:id="@+id/l_two" android:orientation="horizontal" android:visibility="gone" android:background="#FFFFFF" android:layout_alignParentBottom="true" android:layout_width="match_parent" android:layout_height="50dp"> <CheckBox android:layout_gravity="center" android:id="@+id/cb_alldel" android:text="全选" android:textSize="16dp" android:layout_width="0dp" android:layout_weight="1" android:layout_height="wrap_content" /> <TextView android:layout_marginLeft="20dp" android:gravity="center_vertical" android:text="分享" android:textSize="20dp" android:layout_width="0dp" android:layout_weight="1" android:layout_height="match_parent" /> <TextView android:layout_marginLeft="10dp" android:gravity="center_vertical" android:text="移出关注" android:textSize="20dp" android:layout_width="0dp" android:layout_weight="1" android:layout_height="match_parent" /> <Button android:id="@+id/btn_delete_all" android:layout_width="0dp" android:layout_weight="1" android:layout_gravity="right" android:gravity="center" android:layout_height="match_parent" android:text="删除" android:textColor="#FFFF" android:textSize="20dp" /> </LinearLayout></RelativeLayout>2.2–car_shop_fragment.xml
<LinearLayout android:background="#F0F2F5" android:orientation="vertical" xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <LinearLayout android:background="#F7FBF7" android:layout_width="match_parent" android:layout_height="200dp"> <CheckBox android:id="@+id/rb_commodity" android:layout_gravity="center" android:layout_width="0dp" android:layout_weight="1" android:layout_height="wrap_content" /> <LinearLayout android:layout_marginLeft="10dp" android:orientation="horizontal" android:layout_width="0dp" android:layout_weight="9" android:layout_height="300dp"> <ImageView android:gravity="center" android:id="@+id/iv_commodityImg" android:layout_width="80dp" android:layout_height="80dp" /> <LinearLayout android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:id="@+id/tv_commodityName" android:gravity="center" android:layout_width="match_parent" android:layout_weight="1" android:layout_height="0dp" /> <LinearLayout android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1"> <TextView android:textSize="20dp" android:id="@+id/tv_commodityPrice" android:layout_width="0dp" android:layout_weight="1" android:layout_marginTop="20dp" android:layout_height="wrap_content" android:text="ooooooo" /> <LinearLayout android:id="@+id/ll_num" android:layout_width="0dp" android:layout_weight="1" android:gravity="right" android:layout_height="match_parent" > <Button android:id="@+id/btn_delete" android:layout_width="0dp" android:layout_weight="1" android:layout_height="wrap_content"/> <EditText android:id="@+id/et_num" android:gravity="center" android:layout_width="0dp" android:layout_weight="2" android:layout_height="wrap_content" /> <Button android:id="@+id/btn_add" android:layout_width="0dp" android:layout_weight="1" android:layout_height="wrap_content" /> </LinearLayout> </LinearLayout> </LinearLayout> </LinearLayout> </LinearLayout></LinearLayout>2.3–car_shop_one_fragment.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <LinearLayout android:layout_marginTop="20dp" android:background="#F8F8F8" android:layout_width="match_parent" android:layout_height="wrap_content"> <CheckBox android:id="@+id/rb_shop" android:layout_width="0dp" android:layout_weight="1" android:layout_height="wrap_content" /> <TextView android:id="@+id/tv_shopName" android:layout_marginLeft="10dp" android:textSize="20dp" android:layout_width="0dp" android:layout_weight="9" android:layout_height="wrap_content"> </TextView> </LinearLayout></LinearLayout>2.4–car_title_fragment.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <LinearLayout android:orientation="horizontal" android:background="#FFFFFF" android:layout_width="match_parent" android:layout_height="wrap_content"> <LinearLayout android:orientation="horizontal" android:layout_width="0dp" android:layout_weight="7" android:layout_height="wrap_content"> <TextView android:text="购物车" android:layout_marginTop="12dp" android:textSize="24dp" android:gravity="right" android:layout_width="0dp" android:layout_weight="9" android:layout_height="wrap_content" /> <ImageView android:layout_marginRight="10dp" android:id="@+id/title_address" android:src="@mipmap/ic_launcher" android:layout_width="0dp" android:layout_weight="1" android:layout_height="wrap_content" /> </LinearLayout> <LinearLayout android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="3" android:orientation="horizontal"> <TextView android:layout_marginLeft="50dp" android:id="@+id/tv_compile" android:layout_width="wrap_content" android:layout_height="match_parent" android:layout_marginTop="15dp" android:gravity="right" android:text="编辑" android:textSize="18dp" /> <ImageView android:id="@+id/iv_message" android:layout_marginLeft="5dp" android:layout_width="20dp" android:layout_height="match_parent" android:gravity="right" android:src="@mipmap/ic_launcher" /> </LinearLayout> </LinearLayout></LinearLayout>2.5–layot_shopping_car_bottom.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal"> <CheckBox android:id="@+id/chooseAll" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="25sp" android:padding="10dp" android:text="全选"/> <TextView android:id="@+id/totalPrice" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="25sp" android:layout_weight="1" android:padding="10dp" android:gravity="center" android:text="合计:0.00 ￥"/> <TextView android:id="@+id/btnAmount" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="结算 : (0)" android:gravity="center" android:background="@android:color/holo_orange_light" android:textColor="@android:color/black" android:textSize="25sp" android:padding="10dp"/></LinearLayout>3.Utils 包下的类
3.1— CallBack（接口）
public interface CallBack { void OnSuccess(Object o); void OnFailed(Exception e);}3.2– HttpUtils
public class HttpUtils { private static volatile HttpUtils instance; private static Handler handler = new Handler(); private HttpUtils(){ } public static HttpUtils getInstance() { if (instance == null) { synchronized (HttpUtils.class) { if (instance == null) { instance = new HttpUtils(); } } } return instance; } //get请求 public void get(String url, Map<String,String> map, final CallBack callBack, final Class c){ //对url和参数做拼接处理 StringBuffer stringBuffer = new StringBuffer(); stringBuffer.append(url); //判断是否存在? if中是存在 if(stringBuffer.indexOf("?")!=-1 ){ //判断?是否在最后一位 if中是不在最后一位 if(stringBuffer.indexOf("?")!=stringBuffer.length()-1){ stringBuffer.append("&"); } }else{ stringBuffer.append("?"); } for(Map.Entry<String,String> entry:map.entrySet()){ stringBuffer.append(entry.getKey()) .append("=") .append(entry.getValue()) .append("&"); } //判断是否存在& if中是存在 if(stringBuffer.indexOf("&")!=-1){ stringBuffer.deleteCharAt(stringBuffer.lastIndexOf("&")); } //1:创建OkHttpClient对象 OkHttpClient okHttpClient = new OkHttpClient.Builder() .addInterceptor(new com.example.mylasst.Utils.Logger()) .build(); Log.i("okaaa",stringBuffer.toString()); //2:创建Request对象 final Request request = new Request.Builder() .get() .url(stringBuffer.toString()) .build(); Log.e("--------地址为:",stringBuffer.toString()); //3:创建Call对象 Call call = okHttpClient.newCall(request); Log.i("okaaa",stringBuffer.toString()); //4:请求网络 call.enqueue(new Callback() { //请求失败 @Override public void onFailure(Call call, final IOException e) { handler.post(new Runnable() { @Override public void run() { callBack.OnFailed(e); } }); } //请求成功 @Override public void onResponse(Call call, Response response) throws IOException { String result = response.body().string(); final Object o = new Gson().fromJson(result, c); //当前是在子线程,回到主线程中 handler.post(new Runnable() { @Override public void run() { //回调 callBack.OnSuccess(o); } }); } }); } //post请求 public void post(String url, Map<String,String> map, final CallBack callBack, final Class c){ //1:创建OkHttpClient对象 OkHttpClient okHttpClient = new OkHttpClient.Builder() .addInterceptor(new com.example.mylasst.Utils.Logger())//添加应用拦截器 .build(); //2:提供post请求需要的body对象 FormBody.Builder builder = new FormBody.Builder(); for(Map.Entry<String,String> entry:map.entrySet()){ builder.add(entry.getKey(),entry.getValue()); } FormBody body = builder.build(); //3:创建Request对象 final Request request = new Request.Builder() .post(body) .url(url) .build(); // Log.i("addaaa","--//////\\\\\\\\\\--"+url); //4:创建Call对象 Call call = okHttpClient.newCall(request); //5:请求网络 call.enqueue(new Callback() { //请求失败 @Override public void onFailure(Call call, final IOException e) { handler.post(new Runnable() { @Override public void run() { callBack.OnFailed(e); } }); } //请求成功 @Override public void onResponse(Call call, Response response) throws IOException { String result = response.body().string(); //拿到数据解析 final Object o = new Gson().fromJson(result, c); //当前是在子线程,回到主线程中 handler.post(new Runnable() { @Override public void run() { //回调 callBack.OnSuccess(o); } }); } }); }}3.3– Logger
public class Logger implements Interceptor { @Override public Response intercept(Chain chain) throws IOException { Request original = chain.request(); HttpUrl url=original.url().newBuilder() .addQueryParameter("source","android") .build(); //添加请求头 Request request = original.newBuilder() .url(url) .build(); return chain.proceed(request); }}- Bean 类（四个）
4.1– Car_child_shop_Bean
public class Car_child_shop_Bean { private int pid; private String title; private int num; private double price; private String images; private boolean childCheck; public Car_child_shop_Bean(int pid, String title, int num, double price, String images, boolean childCheck) { this.pid = pid; this.title = title; this.num = num; this.price = price; this.images = images; this.childCheck = childCheck; } public int getPid() { return pid; } public void setPid(int pid) { this.pid = pid; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public int getNum() { return num; } public void setNum(int num) { this.num = num; } public double getPrice() { return price; } public void setPrice(double price) { this.price = price; } public String getImages() { return images; } public void setImages(String images) { this.images = images; } public boolean isChildCheck() { return childCheck; } public void setChildCheck(boolean childCheck) { this.childCheck = childCheck; }}4.2– Car_shop_Bean
public class Car_shop_Bean { private String name; private boolean flag; public Car_shop_Bean(String name, Boolean flag) { this.name = name; this.flag = flag; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Boolean getFlag() { return flag; } public void setFlag(Boolean flag) { this.flag = flag; }}4.3– DelBean
public class DelBean { 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; }}4.4– GwcBean
public class GwcBean { /** * msg : 请求成功 * code : 0 * data : [{"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":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"}],"sellerName":"商家17","sellerid":"17"},{"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":2,"price":299,"pscid":1,"selected":0,"sellerid":18,"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18","sellerid":"18"},{"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":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"}] */ 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":"2017-10-14T21:39:05","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":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"}] * sellerName : 商家17 * sellerid : 17 */ 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 : 2017-10-14T21:39:05 * 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 : 118.0 * pscid : 1 * selected : 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 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; } } }}5.MvP放一个包
5.1—GwcModel
public class GwcModel { private Map<String, String> map; public void verGwu(final GwcShowP gwcShowP, Map<String, String> map) { this.map = map; HttpUtils.getInstance().post("http://120.27.23.105/product/getCarts",map, new CallBack() { @Override public void OnSuccess(Object o) { if(o!=null){ GwcBean gwcBean= (GwcBean) o; gwcShowP.ShowSuccessGwcP(gwcBean); } } @Override public void OnFailed(Exception e) { gwcShowP.ShowOnFaildGwcP(); } },GwcBean.class); } private Map<String, String> map1; public void verGwudel(final GwcShowP gwcShowP, Map<String, String> map1) { this.map1 = map1; //Log.i("tag",map1.toString()); HttpUtils.getInstance().post("http://120.27.23.105/product/deleteCart",map1, new CallBack() { @Override public void OnSuccess(Object o) { DelBean delBean= (DelBean) o; gwcShowP.ShowDelSuccessP(delBean); } @Override public void OnFailed(Exception e) { gwcShowP.ShowDelOnFaildP(); } },DelBean.class); }}5.2– GwcShowP
public interface GwcShowP { void ShowSuccessGwcP(GwcBean gwcBean); void ShowOnFaildGwcP(); void ShowDelSuccessP(DelBean delBean); void ShowDelOnFaildP();}5.3 –GwcShowPatenter
public class GwcShowPatenter implements GwcShowP{ private GwcModel gwcModel; private GwcShowV gwcShowV; HashMap<String, String> map ; public GwcShowPatenter(GwcShowV gwcShowV, HashMap<String, String> map) { // map.clear(); this.map=map; this.gwcShowV=gwcShowV; gwcModel = new GwcModel(); } public void pdModleOne() { gwcModel.verGwu(this,map); } public void pdModleDel() { gwcModel.verGwudel(this,map); } @Override public void ShowSuccessGwcP(GwcBean gwcBean) { gwcShowV.ShowSuccessGwcv(gwcBean); } @Override public void ShowOnFaildGwcP() { } @Override public void ShowDelSuccessP(DelBean delBean) { gwcShowV.ShowDelSuccess(delBean); } @Override public void ShowDelOnFaildP() { gwcShowV.ShowDelOnFaild(); }}5.4– GwcShowV
public interface GwcShowV { void ShowSuccessGwcv(GwcBean gwcBean); void ShowOnFaildGwcv(); void ShowDelSuccess(DelBean delBean); void ShowDelOnFaild();}阅读全文
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