Android：okhttp获取html页面源码

/*
    * 拿到网页源码
    * */
    private void webCode(String href) {
        OkHttpClient okHttpClient = new OkHttpClient();
        Request.Builder builder = new Request.Builder();
        Request.Builder url = builder.url(href);
        Request request = url.build();
        Call call = okHttpClient.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
            }
            //当请求成功的时候,调用此方法
            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String source = response.body().string();
                System.out.print("打印结果："+source);
            }
        });

    }