Android开发之开源框架OKHTTP的Get请求代码，得到json字符串方法

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<span style="white-space:pre"></span><pre name="code" class="java">/** * Created by David Zheng on 2016/3/30. * <p/> * Qq：986945193 * <p/> * 微博：http://weibo.com/mcxiaobing */

 /**     * 异步获取到数据 开启了子线程     *     * 若是同步只需将enqueue 改为execute即可     *     * @return     */    public String getUrlfromJson() {        OkHttpClient mHttpClient = new OkHttpClient();        Request request = new Request.Builder().url(url)                .build();        mHttpClient.newCall(request).enqueue(new Callback() {            @Override            public void onFailure(Request request, IOException e) {                //加载失败            }            @Override            public void onResponse(Response response) throws IOException {                //成功获取数据                if (response.isSuccessful()){                    String json = response.body().toString();                    Log.d("mainai", "onResponse() returned: " + json);                }            }        });                return url;    }

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