android OkHttp工具类

OkHttp网络请求工具类

最新推荐文章于 2025-07-16 13:02:06 发布

原创最新推荐文章于 2025-07-16 13:02:06 发布 · 367 阅读

0 ·

CC 4.0 BY-SA版权

Android 同时被 2 个专栏收录

230 篇文章

订阅专栏

移动

198 篇文章

订阅专栏

本文介绍了一个基于OkHttp实现的网络请求工具类，支持GET请求，并通过回调接口处理响应结果，利用Gson进行JSON解析。

package com.jiyun.dell.xiongmaopindao.ui.tool.okhttptool;

import com.google.gson.Gson;
import com.jiyun.dell.xiongmaopindao.ui.App;

import java.io.IOException;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.Map;
import java.util.Set;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

/**
 * Created by DELL zhanghuirong on 2017/11/20.
 */

public class OkHttpUtil implements IHttp {
    private static OkHttpUtil okHttpUtil;
    private OkHttpClient okHttpClient;

    private OkHttpUtil() {
        okHttpClient = new OkHttpClient.Builder().build();
    }

    public static OkHttpUtil getInstance() {
        if (okHttpUtil == null) {
            synchronized (OkHttpUtil.class) {
                if (okHttpUtil == null) {
                    okHttpUtil = new OkHttpUtil();
                }
            }
        }
        return okHttpUtil;
    }


    @Override
    public <T> void get(String url, Map<String, String> map, final NetWorkCallBack<T> netWorkCallBack) {
        if (map != null && map.size() > 1) {
            StringBuffer sb = new StringBuffer(url);
            sb.append("?");
            //得到key
            Set<String> keySet = map.keySet();
            for (String key : keySet) {
                sb.append(key).append("=").append(map.get(key)).append("&");
            }
            url = sb.substring(0, sb.length() - 1);
        }
        final Request request = new Request.Builder().url(url).build();
        Call call = okHttpClient.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                netWorkCallBack.onError((T) e.getMessage());
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                final String string = response.body().string();

                App.context.runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        Gson gson = new Gson();
                        Type[] types = netWorkCallBack.getClass().getGenericInterfaces();
                        Type[] typeArguments = ((ParameterizedType) types[0]).getActualTypeArguments();
                        Type typeArgument = typeArguments[0];
                        T o = gson.fromJson(string, typeArgument);

                        netWorkCallBack.onSuccess(o);
                    }
                });

            }
        });
    }

    @Override
    public <T> void post(String url, Map<String, String> map, NetWorkCallBack<T> netWorkCallBack) {

    }
}

//networkCallback类

public interface NetWorkCallBack<T> {
    void onSuccess(T str);
    void onError(T e);
}

//Ihttp类

public interface IHttp {
    <T> void get(String url, Map<String, String> map, NetWorkCallBack<T> netWorkCallBack);

    <T> void post(String url, Map<String, String> map, NetWorkCallBack<T> netWorkCallBack);
}