HttpUrlConnection_Get

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 new Thread() {            @Override            public void run() {                super.run();                try {//                    设置访问的路劲,相当于在浏览器输入网址                    URL url = new URL("http://apis.juhe.cn/cook/query.php?menu=秘制红烧肉&

key=6666666666666");                    HttpURLConnection connection = (HttpURLConnection) url.openConnection();//                    设置访问的时间                    connection.setConnectTimeout(5000);//                    设置读取的时间                    connection.setReadTimeout(5000);//                    设置访问方式,GET和POST  必须大写                    connection.setRequestMethod("GET");//                    得到回传码                    int code = connection.getResponseCode();//                    回传码200代表成功                    if (code == 200) {//                        访问成功以后得到回传的内容,io流                        InputStream is = connection.getInputStream();//                        调用io流读取数据,下面的方法是自定义类,new ByteArrayOutputStream()                        String json = GetUtils.GetString(is);                        Gson gson = new Gson();                        Bean caipu = gson.fromJson(json, Bean.class);                        List<Bean.ResultBean.DataBean.StepsBean> steps = caipu.getResult().getData().get(0).getSteps();                        for (Bean.ResultBean.DataBean.StepsBean st : steps                                ) {                            System.out.println("制作步骤:" + st.getStep().toString());                        }                    }                } catch (Exception e) {                    e.printStackTrace();                }            }        }.start();

public class GetUtils {    public static String GetString(InputStream is)    {        try {            ByteArrayOutputStream bos = new ByteArrayOutputStream();            byte[] b=new byte[1024];            while (true){                int m = is.read(b);                if (m ==-1) {                   break;                }                bos.write(b,0,m);            }            return bos.toString();        } catch (IOException e) {            e.printStackTrace();        }        return null;    }}

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