OkHttp工具类

package test;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.management.RuntimeErrorException;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.FormBody;
import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;

/**
 * 发送http请求的工具类
 */
public class HttpUtil {

    //放置请求的URL
    public class URL {

        public static final String REMOTE_ADDRESS = "http://47.94.166.158:8080/android_server/";
        //登陆
        public static final String LOGIN = REMOTE_ADDRESS + "user_login";
        //。。。。
    }

    /**
     * GET请求，不传参只获取结果
     * @param url         url地址
     * @param callback     回调函数
     */
    public static void doGet(String url, Callback callback) throws IOException {
        //创建okHttpClient对象
        OkHttpClient mOkHttpClient = new OkHttpClient();
        //创建一个Request
        Request request = new Request.Builder()
        .url(url)
        .build();

        //new call
        Call call = mOkHttpClient.newCall(request);
        //请求加入调度
        call.enqueue(callback);
    }

    /**
     * 通用post请求（同步）
     * @param url             请求地址
     * @param paramNames    表单属性
     * @param paramValues    表单值
     * @throws IOException 
     */
    public static String doPost(String url, String[] paramNames, String[] paramValues) throws IOException {

        OkHttpClient client = new OkHttpClient();

        FormBody.Builder builder = new FormBody.Builder();
        for (int i = 0; i < paramNames.length; i++) { 
            builder.add(paramNames[i], paramValues[i]); 
        }

        Request request = new Request.Builder()
        .url(url)
        .post(builder.build())
        .build();

        Call call = client.newCall(request);
        return call.execute().body().string();
    }

    /**
     * 通用post请求（异步）
     * @param url             请求地址
     * @param paramNames    表单属性
     * @param paramValues    表单值
     * @param callback         回调函数
     */
    public static void doPostAsync(String url, String[] paramNames, String[] paramValues, Callback callback) {

        OkHttpClient client = new OkHttpClient();

        FormBody.Builder builder = new FormBody.Builder();
        for (int i = 0; i < paramNames.length; i++) { builder.add(paramNames[i], paramValues[i]); }

        Request request = new Request.Builder()
        .url(url)
        .post(builder.build())
        .build();

        Call call = client.newCall(request);
        call.enqueue(callback);
    }

    /**
     * 文件上传（上传头像，视频）
     * @param url            请求地址
     * @param paramValues    上传的文件，头像为1个，视频可以同时上传多个
     */
    public static void fileUpload(final String url, final File file) {

        OkHttpClient client = new OkHttpClient();

        //文件类型
        MediaType TYPE_FILE = MediaType.parse("application/octet-stream");

        Request.Builder builder = new Request.Builder();

        for (int i = 0; i < paramValues.length; i++) {

            builder.post(RequestBody.create(TYPE_FILE, paramValues[i]));
        }

        Request request = builder.url(url)
                .build();

        Call call  = client.newCall(request);
        call.enqueue(callback);

    }

    /**
     * 表单参数和文件同时请求（异步）
     * @param url             请求地址
     * @param paramNames    属性名
     * @param paramValues    属性值
     * @param callback         回调函数
     */
    
    
}