public View getView(final int position, View convertView, ViewGroup parent) {
        final Shop shop =al.get(position);
       
        if(map.get(position)==null){
            System.out.println("map 没有数据当前第"+position+"项");
            viewholder=new ViewHolder();
            viewholder.position=position;
            LayoutInflater inflater=activity.getLayoutInflater();
            convertView=inflater.inflate(R.layout.main_item, null);
            viewholder.img=(ImageView)convertView.findViewById(R.id.img);
            viewholder.time=(TextView)convertView.findViewById(R.id.time);
            viewholder.tel=(TextView)convertView.findViewById(R.id.tel);
            viewholder.collect=(TextView)convertView.findViewById(R.id.collect);
            viewholder.name=(TextView)convertView.findViewById(R.id.name);
            viewholder.l1=(LinearLayout)convertView.findViewById(R.id.linearlayout_01);
            viewholder.l2=(LinearLayout)convertView.findViewById(R.id.linearlayout_02);
            viewholder.hot=(ImageView)convertView.findViewById(R.id.hot);
            viewholder.dayang=(ImageView)convertView.findViewById(R.id.dayang);
            viewholder.detail=(TextView)convertView.findViewById(R.id.detail);
            viewholder.menu=(TextView)convertView.findViewById(R.id.menu);
            //加载图片
            LoadImageAsyncTask task=new LoadImageAsyncTask();
            task.setImageView(viewholder.img);
            task.execute(url+shop.getPhotoPath());
            //设置名字
            viewholder.name.setText(shop.getName());
            //设置收藏数
            viewholder.collect.setText(shop.getCollect());
            //设置电话
            String tels=shop.getTel();
            String []telarr=tels.split("%");
            viewholder.tel.setText(telarr[0]);
            //设置时间
            String times=shop.getTime();
            String []timearr=times.split("%");
            if(timearr.length==1){
                viewholder.time.setText(timearr[0]);
            }else{
                viewholder.time.setText(timearr[0]+"、"+timearr[1]);
            }
            map.put(position, convertView);
            convertView.setTag(viewholder);
            
        }else{
            System.out.println("加载缓存的"+position);
            convertView=map.get(position);
            viewholder=(ViewHolder)convertView.getTag();
        }
        String times=shop.getTime();
        String []timearr=times.split("%");
        if(timearr.length==1){
            flag=timeutil.checkTime(timearr[0]);
        }else{
        
            flag=timeutil.checkTime(timearr[0],timearr[1]);
        }
        final int currentPosition=position;
        if(flag){
            if(position<3){
                viewholder.hot.setVisibility(View.VISIBLE);
            }
            ((ViewHolder)map.get(currentPosition).getTag()).l1.setOnClickListener(new OnClickListener(){
                boolean bool=true;
                @Override
                public void onClick(View v) {
                    if(bool){
                        System.out.println("显示控件");
                        ((ViewHolder)map.get(currentPosition).getTag()).l2.setVisibility(View.VISIBLE);
                        bool=false;
                    }else{
                        System.out.println("隐藏控件");
                        ((ViewHolder)map.get(currentPosition).getTag()).l2.setVisibility(View.GONE);
                        bool=true;
                    }
                }
                
            });
            viewholder.detail.setOnClickListener(new OnClickListener(){

                @Override
                public void onClick(View v) {
                    Intent intent=new Intent();
                    intent.setClass(activity,Detail_Activity.class);
                    intent.putExtra("shopname", shop.getName());
                    activity.startActivity(intent);
                }
                
            });
            viewholder.menu.setOnClickListener(new OnClickListener(){

                @Override
                public void onClick(View v) {
                    Intent intent=new Intent();
                    intent.setClass(activity,Menu_Activity.class);
                    intent.putExtra("shopname", shop.getName());
                    activity.startActivity(intent);
                }
                
            });
        }else{
            viewholder.dayang.setVisibility(View.VISIBLE);
        }
        return convertView;
    }