mvp

最新推荐文章于 2025-07-19 17:23:33 发布

Sason_Bryant

最新推荐文章于 2025-07-19 17:23:33 发布

阅读量250

点赞数

CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/Sason_Bryant/article/details/88626694

该博客主要展示了MVP架构的代码实现，包含model层、presenter层和view层的接口及实现类，还涉及OkHttp的使用，用于网络请求。此外，给出了适配器和MainActivity的代码，整体围绕Android开发中的MVP架构和网络请求展开。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

//model层

package com.bawie.zhoukaomoni.mvp.model;

/**

@Author：asus
@E-mail： 945574298@163.com
@Date：2019/3/16 14:20
@Description：描述信息
*/
public interface IModel {
void getModel(ModelCallBack modelCallBack);
interface ModelCallBack{
void onSuccess(Object data);
void onFail(Exception e);

}
}

//model实现类‘’

package com.bawie.zhoukaomoni.mvp.model;

import com.bawie.zhoukaomoni.bean.ShopBean;
import com.bawie.zhoukaomoni.http.OkHttp;

/**

@Author：asus
@E-mail： 945574298@163.com
@Date：2019/3/16 14:24
@Description：描述信息
*/
public class IModelImpl implements IModel {
String Base_url=“http://172.17.8.100/small/commodity/v1/commodityList”;
@Override
public void getModel(final ModelCallBack modelCallBack) {
OkHttp.getInstance().doGet(Base_url, ShopBean.class, new OkHttp.NetCallBack() {
@Override
public void LoadSuccess(Object obj) {
modelCallBack.onSuccess(obj);
```
     }

     @Override
     public void LoadFail() {

     }
 });
```
}
}

//presenter

package com.bawie.zhoukaomoni.mvp.presenter;

import com.bawie.zhoukaomoni.mvp.view.Iview;

/**

@Author：asus
@E-mail： 945574298@163.com
@Date：2019/3/16 14:22
@Description：描述信息
*/
public interface Ipresenter {
void getPreData();
void attchView(Iview iview);
void Detchview(Iview iview);
}

//presenter实现类

package com.bawie.zhoukaomoni.mvp.presenter;

import com.bawie.zhoukaomoni.MainActivity;
import com.bawie.zhoukaomoni.mvp.model.IModel;
import com.bawie.zhoukaomoni.mvp.model.IModelImpl;
import com.bawie.zhoukaomoni.mvp.view.Iview;

import java.lang.ref.SoftReference;

/**

@Author：asus
@E-mail： 945574298@163.com
@Date：2019/3/16 14:29
@Description：描述信息
*/
public class IpresenterImpl implements Ipresenter {

private IModelImpl iModel;
MainActivity mainActivity;
private SoftReference iModelSoftReference;

@Override
public void getPreData() {
iModel.getModel(new IModel.ModelCallBack() {
@Override
public void onSuccess(Object data) {
mainActivity.getView(data);
}
```
@Override
public void onFail(Exception e) {

}
```
});
}

@Override
public void attchView(Iview iview) {
this.mainActivity= (MainActivity) iview;
iModel = new IModelImpl();
iModelSoftReference = new SoftReference(iModel);

}

@Override
public void Detchview(Iview iview) {
iview = null;
}
}

//view层

package com.bawie.zhoukaomoni.mvp.view;

/**

@Author：asus
@E-mail： 945574298@163.com
@Date：2019/3/16 14:23
@Description：描述信息
*/
public interface Iview {
void getView(Object data);
}

//okhttp

package com.bawie.zhoukaomoni.http;

/**

@Author：asus
@E-mail： 945574298@163.com
@Date：2019/3/16 14:13
@Description：描述信息
*/

import android.os.Environment;
import android.os.Handler;
import android.util.Log;

import com.google.gson.Gson;

import java.io.File;
import java.io.IOException;
import java.util.concurrent.TimeUnit;

import okhttp3.Cache;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.FormBody;
import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class OkHttp {

private OkHttpClient client;
private static volatile OkHttp instance;
private Handler handler = new Handler();

//创建拦截器
private Interceptor getAppInterceptor() {
    Interceptor interceptor = new Interceptor() {
        @Override
        public Response intercept(Chain chain) throws IOException {

            Request request = chain.request();
            Log.e("++++++", "拦截前");
            Response response = chain.proceed(request);
            Log.e("++++++", "拦截后");
            return response;
        }
    };
    return interceptor;
}

//添加拦截器
private OkHttp() {
    File file = new File(Environment.getExternalStorageDirectory(), "cache1");
    client = new OkHttpClient().newBuilder()
            .readTimeout(3000, TimeUnit.SECONDS)
            .connectTimeout(3000, TimeUnit.SECONDS)
            .addInterceptor(getAppInterceptor())
            .cache(new Cache(file, 10 * 1024))
            .build();
}

//创建单例
public static OkHttp getInstance() {
    if (instance == null) {
        synchronized (OkHttp.class) {
            if (null == instance) {
                instance = new OkHttp();
            }
        }
    }
    return instance;
}

//封装doget方法
public void doGet(String url, final Class clazz, final NetCallBack netCallBack) {
    // 2. 创建一个请求对象
    Request request = new Request.Builder()
            .get()
            .url(url)
            .build();
    //创建call对象
    Call call = client.newCall(request);
    call.enqueue(new Callback() {
        @Override
        public void onFailure(Call call, IOException e) {

        }

        @Override
        public void onResponse(Call call, Response response) throws IOException {
            String string = response.body().string();
            Gson gson = new Gson();
            final Object o = gson.fromJson(string, clazz);
            handler.post(new Runnable() {
                @Override
                public void run() {
                    netCallBack.LoadSuccess(o);
                }
            });
        }
    });
}

//封装dopost请求
public void doPost(String url, final Class clazz, String name, String pwd, final NetCallBack netCallBack) {
    //新建okhttp对象
    client = new OkHttpClient();
    /**
     * 通过体传值
     */
    FormBody build = new FormBody.Builder()
            .add("phone", name)
            .add("pwd", pwd)
            .build();
    Request request = new Request.Builder()
            .url(url)
            .post(build)
            .build();
    Call call = client.newCall(request);
    call.enqueue(new Callback() {
        @Override
        public void onFailure(Call call, IOException e) {

        }

        @Override
        public void onResponse(Call call, Response response) throws IOException {
            String string = response.body().string();
            Gson gson = new Gson();
            final Object o = gson.fromJson(string, clazz);
            handler.post(new Runnable() {
                @Override
                public void run() {
                    netCallBack.LoadSuccess(o);
                }
            });
        }
    });
}

public interface NetCallBack {
    void LoadSuccess(Object obj);

    void LoadFail();
}

}

//适配器

package com.bawie.zhoukaomoni.adapter;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import com.bawie.zhoukaomoni.R;
import com.bawie.zhoukaomoni.bean.ShopBean;
import com.bumptech.glide.Glide;

/**

@Author：asus
@E-mail： 945574298@163.com
@Date：2019/3/16 15:22
@Description：描述信息
*/
public class ShopAdapter extends RecyclerView.Adapter<ShopAdapter.ViewHolder> {
Context context;
ShopBean shopBean;

public ShopAdapter(Context context, ShopBean shopBean){
this.context = context;
this.shopBean = shopBean;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(context).inflate(R.layout.shop_layout, parent, false);
```
 return new ViewHolder(view);
```
}

@Override
public void onBindViewHolder(ViewHolder holder, int position) {
Glide.with(context).load(shopBean.getResult().getMlss().getCommodityList().get(position).getMasterPic()).into(holder.imageView);
holder.textView.setText(shopBean.getResult().getMlss().getCommodityList().get(position).getCommodityName());

}

@Override
public int getItemCount() {
return shopBean.getResult().getMlss().getCommodityList().size();
}

public class ViewHolder extends RecyclerView.ViewHolder {
private ImageView imageView;
private TextView textView;
public ViewHolder(View view) {
super(view);
imageView = view.findViewById(R.id.image);
textView = view.findViewById(R.id.textview);
```
 }
```
}
}

//mainactivity

package com.bawie.zhoukaomoni;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;

import com.bawie.zhoukaomoni.adapter.ShopAdapter;
import com.bawie.zhoukaomoni.bean.ShopBean;
import com.bawie.zhoukaomoni.mvp.presenter.IpresenterImpl;
import com.bawie.zhoukaomoni.mvp.view.Iview;

public class MainActivity extends AppCompatActivity implements Iview {
public static final String TAG=“MainActivity”;
private RecyclerView recyclerView;
private IpresenterImpl ipresenter;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    ipresenter = new IpresenterImpl();
     ipresenter.attchView(this);
     ipresenter.getPreData();
     initview();
}

private void initview() {
     recyclerView = findViewById(R.id.recycle);
    recyclerView.setLayoutManager(new LinearLayoutManager(this));

}


@Override
public void getView(Object data) {
    if(data!=null){
        ShopBean shopBean= (ShopBean) data;

        ShopAdapter shopAdapter = new ShopAdapter(MainActivity.this, shopBean);
        recyclerView.setAdapter(shopAdapter);

    }
}

@Override
protected void onResume() {
    super.onResume();
}

}