OkHttpUtils

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package com.example.nsglx.net;import android.content.Context;import android.os.Handler;import android.os.Looper;import android.util.Log;import android.widget.Toast;import com.example.nsglx.utils.NetWorkUtil;import java.io.IOException;import java.util.Map;import okhttp3.Call;import okhttp3.Callback;import okhttp3.FormBody;import okhttp3.OkHttpClient;import okhttp3.Request;import okhttp3.RequestBody;import okhttp3.Response;import okhttp3.logging.HttpLoggingInterceptor;/** * Created by admin on 2017/10/16/016. */public class OkHttpUtils {    //声明客户端    private OkHttpClient client;    //防止多个线程同时访问所造成的安全隐患    private volatile static OkHttpUtils utils;    private Context context;    //子线程    private Handler handler;    //构造方法    private OkHttpUtils(Context context){        HttpLoggingInterceptor logging = new HttpLoggingInterceptor();        logging.setLevel(HttpLoggingInterceptor.Level.BODY);        client=new OkHttpClient.Builder()                .addInterceptor(logging)                .build();        handler=new Handler(Looper.getMainLooper());        this.context=context;    }    //单例模式    public static OkHttpUtils getInstance(Context context){        if(utils==null){            //线程同步锁            synchronized (OkHttpUtils.class){                if(utils==null){                    utils=new OkHttpUtils(context);                    utils=utils;                }            }        }        return utils;    }    //网络请求    public void syncJsonStringByUrl(String url, final FuncJsonString callback){        //网络判断        if (!NetWorkUtil.isNetworkAvailable(context)) {            Toast.makeText(context, "没有网络，请查看设置", Toast.LENGTH_SHORT).show();            return;        }        Request request=new Request.Builder().url(url).build();        client.newCall(request).enqueue(new Callback() {            @Override            public void onFailure(Call call, IOException e) {                Log.i("TAG", "解析失败");            }            @Override            public void onResponse(Call call, Response response) throws IOException {                if(response!=null&&response.isSuccessful()){                    OnSuccessJsonString(response.body().string(),callback);                }            }        });    }    //post提交表单数据    public void sendDataForClicent(String url, Map<String,String> params, final FuncJsonString callback){        //网络判断        if (!NetWorkUtil.isNetworkAvailable(context)) {            Toast.makeText(context, "没有网络，请查看设置", Toast.LENGTH_SHORT).show();            return;        }        //表单对象，包含input开始的操作        FormBody.Builder from=new FormBody.Builder();        if(params != null && !params.isEmpty()){            for (Map.Entry<String,String> entry:params.entrySet()){                //装载表单值                from.add(entry.getKey(),entry.getValue());            }        }        RequestBody body=from.build();        //post提交        Request request=new Request.Builder().url(url).post(body).build();        client.newCall(request).enqueue(new Callback() {            @Override            public void onFailure(Call call, IOException e) {                Log.i("TAG", "解析失败");            }            @Override            public void onResponse(Call call, Response response) throws IOException {                if(response!=null&&response.isSuccessful()){                    OnSuccessJsonString(response.body().string(),callback);                }            }        });    }    //返回json字符串的接口    public interface FuncJsonString{        void onResponse(String result);    }    //请求的返回是json字符串    private void OnSuccessJsonString(final String jsonValue, final FuncJsonString callback){        handler.post(new Runnable() {            @Override            public void run() {                if(callback!=null){                    try {                        callback.onResponse(jsonValue);                    }catch (Exception e){                    }                }            }        });    }}
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