OKhttp的封装工具类（可以直接使用）

package com.keyi.keyi_zxing.utils;

import android.os.Handler;
import android.os.Looper;

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

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

/**
* Created by CaoAnyang on 2016/4/11.
*/
public class HttpUtils {

private OkHttpClient client;
//超时时间
public static final int TIMEOUT=1000*60;

//json请求
public static final MediaType JSON = MediaType
.parse("application/json; charset=utf-8");

private Handler handler = new Handler(Looper.getMainLooper());

public HttpUtils() {
this.init();
}

private void init() {
client=new OkHttpClient();

//设置超时
client.newBuilder().connectTimeout(TIMEOUT, TimeUnit.SECONDS).
writeTimeout(TIMEOUT,TimeUnit.SECONDS).readTimeout(TIMEOUT, TimeUnit.SECONDS)
.build();
}

/**
* post请求  json数据为body
*
*/
public void postJson(String url,String json,final HttpCallBack callBack){
RequestBody body = RequestBody.create(JSON,json);
final Request request = new Request.Builder().url(url).post(body).build();

OnStart(callBack);

client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
OnError(callBack, e.getMessage());
}
@Override
public void onResponse(Call call, Response response) throws IOException {
if (response.isSuccessful()) {
onSuccess(callBack, response.body().string());
} else {
OnError(callBack, response.message());
}
}
});
}
/**
* post请求  map是body
*
* @param url
* @param map
* @param callBack
*/
public void postMap(String url,Map<String,String> map,final HttpCallBack callBack){
FormBody.Builder builder=new FormBody.Builder();

//遍历map
if(map!=null){
for (Map.Entry<String,String> entry : map.entrySet()){
builder.add(entry.getKey(), entry.getValue().toString());
}
}
RequestBody body = builder.build();
Request request = new Request.Builder().url(url).post(body).build();
OnStart(callBack);
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
OnError(callBack,e.getMessage());
}
@Override
public void onResponse(Call call, Response response) throws IOException {
if(response.isSuccessful()){
onSuccess(callBack,response.body().string());
}else{
OnError(callBack, response.message());
}
}
});
}
/**
* get 请求
*
* @param url
* @param callBack
*/
public void getJson(String url,final HttpCallBack callBack){
Request request = new Request.Builder().url(url).build();
OnStart(callBack);
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
OnError(callBack,e.getMessage());
}
@Override
public void onResponse(Call call, Response response) throws IOException {
if (response.isSuccessful()){
onSuccess(callBack,response.body().string());
}else{
OnError(callBack,response.message());
}
}
});
}
public void OnStart(HttpCallBack callBack){
if(callBack!=null){
callBack.onstart();
}
}
public void onSuccess(final HttpCallBack callBack,final String data){
if(callBack!=null){
handler.post(new Runnable() {
@Override
public void run() {//在主线程操作
callBack.onSusscess(data);
}
});
}
}
public void OnError(final HttpCallBack callBack,final String msg){
if(callBack!=null){
handler.post(new Runnable() {
@Override
public void run() {
callBack.onError(msg);
}
});
}
}
public static abstract class HttpCallBack{
//开始
public void onstart(){};
//成功回调
public abstract void onSusscess(String data);
//失败
public void onError(String meg){};
}
}

需要依赖：compile 'com.squareup.okhttp3:okhttp:3.2.0'