Android -- 獲取網絡數據並將數據存到本地數據庫中

public static final int downloadDone = 1;

 // 用戶model數組
    ArrayList<Loginer> loginers = new ArrayList<>();
    // hander
    Handler downloadLoginerHandler = new Handler(){
        @Override
        public void handleMessage(Message msg) {
            switch (msg.what){
                case downloadDone:
                    Toast.makeText(MyApplication.getApplication(), "同步用戶數據成功", Toast.LENGTH_SHORT).show();
                    break;
            }
            super.handleMessage(msg);
        }
    };

    // 從服務器更新loginer數據
    public  void downloadData() throws IOException, XmlPullParserException {
        new Thread(new Runnable() {
            @Override
            public void run() {
                String url = "http://222.169.11.226:7000/WebServiceAndroidcm.asmx/getloginerInfo";
                MyHTTP myHTTP = new MyHTTP();
                Map map = new HashMap();
                map.put("pw", "0535deer");
                try {
                    String string = myHTTP.doPost(url, map);
                    System.out.println("成功::::"+string);
                    String newString = string.replace("<?xml version=\"1.0\" encoding=\"utf-8\"?><string xmlns=\"http://tempuri.org/\">{\"Result\":\"1\",\"Value\":", "");
                    String lastString = newString.replace("}</string>", "");
                    // 將字符串進行解析
                    JsonParser jsonParser = new JsonParser();
                    // 將jsonstring轉換為jaonArray
                    JsonArray jsonArray = jsonParser.parse(lastString).getAsJsonArray();
                    // gson
                    Gson gson = new Gson();
                    // for 循環遍歷josnarray
                    for (JsonElement loginerElement : jsonArray) {
                        Loginer loginer = gson.fromJson(loginerElement, Loginer.class);
                        loginers.add(loginer);
                        System.out.println("大小是"+loginers.size());
                    }
                    // 獲取dao對象
                    loginerDao = MyApplication.getApplication().getDaoSession().getLoginerDao();
                    // 新建一個Message對象
                    Message msg = new Message();
                   // 通過for循環插入數據到數據庫
                    for (int i = 0; i < loginers.size(); i++) {
                        System.out.println("終於找到你:"+loginers.get(i).getLoginer_code());
                        long result = loginerDao.insertOrReplace(loginers.get(i));
                        System.out.println("結果是:"+result);
                        // 如果全部替換或插入成功, 則彈出更新用戶數據成功
                        if (result == loginers.get(loginers.size() - 1).getLoginer_id()) {
                            // 發送同步完成的消息到message
                            msg.what = downloadDone;
                            downloadLoginerHandler.sendMessage(msg);
                            System.out.println("到最后一條了");

                        }
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }).start();
    }

調用:

// 開始更新loginers數據的數據
                try {
                    downloadData();
                } catch (IOException e) {
                    e.printStackTrace();
                } catch (XmlPullParserException e) {
                    e.printStackTrace();
                }

 

截圖: