// 向服务器请求备料工单
  private void getPrepareData(boolean isRefresh) {
    // 如果是用户下拉刷新操作,请求网络数据
    if (isRefresh) {
      VolleyUtil.getVolleyUtil()
          .requestPrepareList(
              getActivity(),
              GloableParams.ADDRESS_PREPARELIST_APPLY,
              VolleyUtil.METHOD_POST,
              VolleyUtil.FRAGMENT_SHOP_PREPARELIST);
      return;
    }
    // 如果是页面加载操作
    else {
      // 如果需要加载数据:是从主界面跳转过来,就向服务器请求数据;如果是采集页面返回跳转到此页面,不向服务器请求数据。
      if (isLoadingData) {

        // 取缓存数据
        DataSourceManager.getDataSourceManager().getLocalPrepareListCache(ct);
        Log.i("SCMake", "activity:p" + getActivity());
        // 如果从缓存未取到数据,就从网络加载数据
        Log.i("SCMake", "数据是否为空:" + prepareDataList.size());
        loadingView.show();
        if (prepareDataList.size() == 0) {

          Log.e("SCMAKE:GETDATA", " no prepareList cache");
          VolleyUtil.getVolleyUtil()
              .requestPrepareList(
                  getActivity(),
                  GloableParams.ADDRESS_PREPARELIST_APPLY,
                  VolleyUtil.METHOD_POST,
                  VolleyUtil.FRAGMENT_SHOP_PREPARELIST);
        } else {
          Log.e("SCMAKE", "fromCache:" + prepareDataList.toString());
          loadingView.dismiss();
        }
        ;
      }
    }
  }
  /*========================搜索界面:SearchPopWin====================================*/
  @Override
  public View onCreateView(
      LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    Log.i("SCMake", "onCreateView");
    FunctionActivity.setTitle(GloableParams.GRIDNAME_MATERIAL_PREPARE);
    View view = inflater.inflate(R.layout.fragment_scmakeprepare, container, false);
    ct = getActivity();
    Log.i("SCMake", "activity:o" + ct);
    // 接口回调
    DataSourceManager.getDataSourceManager().setNotifyData(this);
    VolleyUtil.setVolleyHandler(handler);
    // 获取数据
    prepareDataList = DataSourceManager.getDataSourceManager().getPrepareList();
    // 获取组件
    ptrl = (PullToRefreshLayout) view.findViewById(R.id.refresh_view_makeprepare);
    prepareList = (ListView) view.findViewById(R.id.content_list_makeprepare);
    nullItemLayoutPrepare = (RelativeLayout) view.findViewById(R.id.rl_nulldata);
    btnShowSearch = (Button) getActivity().findViewById(R.id.btn_actionbar_right);
    btnBack = (Button) getActivity().findViewById(R.id.btn_actionbar_withback);
    parentView = getActivity().getWindow().findViewById(Window.ID_ANDROID_CONTENT);

    // 设置监听
    btnShowSearch.setOnClickListener(this);
    ptrl.setOnRefreshListener(
        new PullToRefreshLayout.OnRefreshListener() {
          @Override
          public void onRefresh(PullToRefreshLayout pullToRefreshLayout) {
            getPrepareData(true);
            // 刷新完毕,通知下拉头消失
            pullToRefreshLayout.refreshFinish(PullToRefreshLayout.SUCCEED);
          }

          @Override
          public void onLoadMore(PullToRefreshLayout pullToRefreshLayout) {}
        });
    // 初始化界面、List
    initListView();
    btnShowSearch.setVisibility(View.VISIBLE);
    showNullItemImg(prepareDataList, nullItemLayoutPrepare);
    // 加载数据
    loadingView = new LoadingView(getActivity());
    // 获取初始数据

    getPrepareData(false);
    return view;
  }