JQueryMiniUI按照时间进行查询的实现方法

<div id="datagrid1" class="mini-datagrid" style="width: 1000px; height: 280px;"  
    url="../index?method=listAll" idField="id" multiSelect="true" sizeList="[5,10,15]" pageSize="10" 
    > 
    <div property="columns"> 
      <div type="checkcolumn"></div> 
      <div type="indexcolumn">序号</div> 
      <div field="bookGuid" width="60" headerAlign="center" allowSort="true">图书编号</div> 
      <div field="bookName" width="60" headerAlign="center" allowSort="true">图书名称</div> 
      <div field="bookType" class="mini-combobox" width="60" renderer="onTypeRenderer">图书类别</div> 
      <div field="suitable" width="60" renderer="onSuitRenderer">适合人群</div> 
      <div field="buyDate" width="150" headerAlign="center" dateFormat="yyyy-MM-dd HH:mm:ss" allowSort="true">入库日期</div> 
      <div field="count" width="60" style="color:red">借阅次数</div> 
      <div field="remark" width="60" style="color:red">备注</div> 
      <div name="action" width="120" headerAlign="center" align="center" renderer="onActionRenderer" cellStyle="padding:0;">操作</div> 
    </div> 
  </div> 

url="../index?method=listAll" 

var grid = mini.get("datagrid1"); 
    grid.load(); 

function search() { 
      var type1 = mini.get("type1").getValue(); 
      var date1=mini.get("date1").getValue(); 
      var timestamp = Date.parse(date1); 
      grid.load({ 
        type1:type1, 
        timestmp:timestamp 
       
      }); 
    } 

public void listAll(HttpServletRequest request, HttpServletResponse response) throws Exception{ 
  String type=request.getParameter("type1"); 
    String lstr=request.getParameter("timestmp"); 
  long time=0; 
  if(lstr!=null && isNumeric(lstr)){ 
    time=Long.parseLong(lstr); 
  } 
  Date date1=new Date(); 
  date1.setTime(time); 
  Date date2=new Date(); 
  date2.setTime(time+24*60*60*1000); 
  SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd"); 
  String sql="select * from bookinfo"; 
  if(type!= null && type.length()>0 && time==0) 
  { 
    sql="select * from bookinfo where booktype="+Integer.parseInt(type); 
  } 
  else if(time!=0 && type.length()==0) 
  { 
    sql ="select * from bookinfo where buydate between \""+ sdf.format(date1) +"\" and \""+sdf.format(date2)+"\""; 
  } 
  else if(time!=0 && type.length()>0) 
  { 
    sql ="select * from bookinfo where booktype="+Integer.parseInt(type)+" and buydate between \""+ sdf.format(date1) +"\" and \""+sdf.format(date2)+"\""; 
  } 
  else 
  { 
    sql ="select * from bookinfo"; 
  } 
  System.out.println(sql); 
  //要知道的是联合查询中需要得到的List也是显示出来的 
  List list=mdao.getList(sql); 
    //实现的是分页 
    int pageSize=Integer.parseInt(request.getParameter("pageSize")); 
    int pageIndex=Integer.parseInt(request.getParameter("pageIndex")); 
    List sub_list=new ArrayList<>(); 
    int start=pageIndex*pageSize; 
    for(int i=start;i<list.size() && i<start+pageSize;i++) 
    { 
      sub_list.add(list.get(i)); 
    } 
    String json=JsonUtil.listToJson(sub_list, "yyyy-MM-dd hh:mm:ss"); 
    System.out.println(json); 
    json=JsonData.modifyJson(json); 
    json=json.replaceFirst("null", list.size()+""); 
    response.getWriter().write(json); 
 
  }