paz2s9bc5/app/src/main/java/com/example/PersonalCenter/SearchServiceGet.java

package com.example.PersonalCenter;

import android.util.Log;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;
import java.util.ArrayList;

public class SearchServiceGet {

    public static ArrayList<String> content=new ArrayList<String>();//存储数据内容
    public static String name_back;
    public static boolean SearchSuccess=false;
    public static int code;

    public static  void executeSearchGet(String name){
        HttpURLConnection connection = null;
        InputStream in = null;

        String address="/rest/cmkg/question/hello";

        String Url = "http://114.116.199.154:5000/cmkg"+address;
        String path = Url + "?name="+name;
        URL url = null;
        try {
            url = new URL(path);
            connection = (HttpURLConnection)url.openConnection();
            connection.setRequestMethod("GET");
            connection.setConnectTimeout(100000);//建立连接超时
            connection.setReadTimeout(80000);//传输数据超时
            in = connection.getInputStream();

            BufferedReader reader = null;//输入流
            String line = "";//读取返回的每一行
            StringBuilder response = new StringBuilder();
            try {
                reader = new BufferedReader(new InputStreamReader(in));
                while((line = reader.readLine()) != null) {
                    response.append(line);
                }
                //这时候response就是一个连续字符串了吧
                Log.i("response+++++",response+"返回值");
                System.out.println(response.toString());

                //开始解析返回的数据
//                JSONObject jo=JSONObject.fromObject(response.toString());
                org.json.JSONObject jo = null;
                try {
                    jo = new org.json.JSONObject(response.toString());
                } catch (JSONException e) {
                    e.printStackTrace();
                }
                try {
                    code=jo.getInt("code");
                } catch (JSONException e) {
                    e.printStackTrace();
                }
                System.out.println("code="+code);
                if(code!=0){  //查询成功，在开始解析数据
                    System.out.println("code==@@@@@@@@@@20"+code);
                    try {
                        name_back=jo.getString("message");//查询的主语
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                    //把data看作一个JSONObject，无论里面由多少元素，都转换为JSONArray，存在数组里
                    JSONObject jo_data= null;

                    try {
                        jo_data = jo.getJSONObject("data");
                        if(jo_data==null) System.out.println(("jo_data==null"));
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                    JSONArray data_arr=new JSONArray();
                    ArrayList<String> datas=new ArrayList<String>();
                    try {

//                        jo_data.toJSONArray(data_arr);
                        datas.add(jo_data.toString());
                        data_arr=jo.getJSONArray("data");
                        System.out.println("data_arr======"+data_arr.length());
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                    //遍历data_arr，把里面的数据放入ArrayList<String> content里
                    for(int i=0;i<datas.size();i++){
                        try {
                            content.add(datas.get(i));
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    }
                    SearchSuccess=true;//查找成功标志
                }
//                return content;
            } catch (IOException e) {
                e.printStackTrace();
            }finally {
                if(reader!=null){
                    try {
                        reader.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (ProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
//        return "";
    }

    public static void exxcuteTest(String name){
        code=100;
        name_back="糖尿病";
        content.add("莲子粥");
        content.add("推拿法");
        content.add("大蒜蒸西瓜");
        content.add("红枣糕");

    }

}