最近，临近春节放假，把自己最近项目中使用 的okhttp使用做个总结，将自己的工具类贡献出来。其中有部分是参考了鸿洋的部分。

   就直接上代码。

package com.lidong.demo.utils;import android.os.Handler;import android.os.Looper;import com.google.gson.internal.$Gson$Types;import com.squareup.okhttp.Callback;import com.squareup.okhttp.FormEncodingBuilder;import com.squareup.okhttp.OkHttpClient;import com.squareup.okhttp.Request;import com.squareup.okhttp.RequestBody;import com.squareup.okhttp.Response;import java.io.IOException;import java.lang.reflect.ParameterizedType;import java.lang.reflect.Type;import java.net.CookieManager;import java.net.CookiePolicy;import java.util.List;import java.util.concurrent.TimeUnit;/** * Description : OkHttp网络连接封装工具类 * Author : ldong * Date   : 16/1/31 */public class OkHttpUtils {    private static final String TAG = "OkHttpUtils";    private static OkHttpUtils mInstance;    private OkHttpClient mOkHttpClient;    private Handler mHandler;    private OkHttpUtils() {        /**         * 构建OkHttpClient         */        mOkHttpClient = new OkHttpClient();        /**         * 设置连接的超时时间         */        mOkHttpClient.setConnectTimeout(10, TimeUnit.SECONDS);        /**         * 设置响应的超时时间         */        mOkHttpClient.setWriteTimeout(10, TimeUnit.SECONDS);        /**         * 请求的超时时间         */        mOkHttpClient.setReadTimeout(30, TimeUnit.SECONDS);        /**         * 允许使用Cookie         */        mOkHttpClient.setCookieHandler(new CookieManager(null, CookiePolicy.ACCEPT_ORIGINAL_SERVER));        /**         * 获取主线程的handler         */        mHandler = new Handler(Looper.getMainLooper());    }    /**     * 通过单例模式构造对象     * @return OkHttpUtils     */    private synchronized static OkHttpUtils getmInstance() {        if (mInstance == null) {            mInstance = new OkHttpUtils();        }        return mInstance;    }    /**     * 构造Get请求     * @param url  请求的url     * @param callback  结果回调的方法     */    private void getRequest(String url, final ResultCallback callback) {        final Request request = new Request.Builder().url(url).build();        deliveryResult(callback, request);    }    /**     * 构造post 请求     * @param url 请求的url     * @param callback 结果回调的方法     * @param params 请求参数     */    private void postRequest(String url, final ResultCallback callback, List params) {        Request request = buildPostRequest(url, params);        deliveryResult(callback, request);    }    /**     * 处理请求结果的回调     * @param callback     * @param request     */    private void deliveryResult(final ResultCallback callback, Request request) {        mOkHttpClient.newCall(request).enqueue(new Callback() {            @Override            public void onFailure(Request request, final IOException e) {                sendFailCallback(callback, e);            }            @Override            public void onResponse(Response response) throws IOException {                try {                    String str = response.body().string();                    if (callback.mType == String.class) {                        sendSuccessCallBack(callback, str);                    } else {                        Object object = JsonUtils.deserialize(str, callback.mType);                        sendSuccessCallBack(callback, object);                    }                } catch (final Exception e) {                    LogUtils.e(TAG, "convert json failure", e);                    sendFailCallback(callback, e);                }            }        });    }    /**     * 发送失败的回调     * @param callback     * @param e     */    private void sendFailCallback(final ResultCallback callback, final Exception e) {        mHandler.post(new Runnable() {            @Override            public void run() {                if (callback != null) {                    callback.onFailure(e);                }            }        });    }    /**     * 发送成功的调     * @param callback     * @param obj     */    private void sendSuccessCallBack(final ResultCallback callback, final Object obj) {        mHandler.post(new Runnable() {            @Override            public void run() {                if (callback != null) {                    callback.onSuccess(obj);                }            }        });    }    /**     * 构造post请求     * @param url  请求url     * @param params 请求的参数     * @return 返回 Request     */    private Request buildPostRequest(String url, List params) {        FormEncodingBuilder builder = new FormEncodingBuilder();        for (Param param : params) {            builder.add(param.key, param.value);        }        RequestBody requestBody = builder.build();        return new Request.Builder().url(url).post(requestBody).build();    }    /**********************对外接口************************/    /**     * get请求     * @param url  请求url     * @param callback  请求回调     */    public static void get(String url, ResultCallback callback) {        getmInstance().getRequest(url, callback);    }    /**     * post请求     * @param url       请求url     * @param callback  请求回调     * @param params    请求参数     */    public static void post(String url, final ResultCallback callback, List params) {        getmInstance().postRequest(url, callback, params);    }    /**     * http请求回调类,回调方法在UI线程中执行     * @param 
     
           */    public static abstract class ResultCallback
      
        {        Type mType;        public ResultCallback(){            mType = getSuperclassTypeParameter(getClass());        }        static Type getSuperclassTypeParameter(Class
        subclass) {            Type superclass = subclass.getGenericSuperclass();//返回父类的类型            if (superclass instanceof Class) {                throw new RuntimeException("Missing type parameter.");            }            ParameterizedType parameterized = (ParameterizedType) superclass;            return $Gson$Types.canonicalize(parameterized.getActualTypeArguments()[0]);        }        /**         * 请求成功回调         * @param response         */        public abstract void onSuccess(T response);        /**         * 请求失败回调         * @param e         */        public abstract void onFailure(Exception e);    }    /**     * post请求参数类     */    public static class Param {        String key;//请求的参数        String value;//参数的值        public Param() {        }        public Param(String key, String value) {            this.key = key;            this.value = value;        }    }}
      
     

1.get请求

OkHttpUtils.get(url, callback);

OkHttpUtils.post(url,callback,params);