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easyUI排序 查詢後臺程式碼

下列程式碼為easyUI查詢列表下的排序(查詢後臺程式碼)

/*前臺程式碼*/
$("#searchList").datagrid({
    fit:true,
    singleSelect:true,
    columns:[
    //sortable:標示排序,sortName:標示要排序的列,sortOrder:標示正序OR倒序
    {field:'time',title:'時間',sortable:true,sortName:'time',sortOrder:'asc'},
    {field:'sort',title:'順序',sortable:true,sortName:'sort'
,sortOrder:'asc'} ] }); /*後臺程式碼*/ public Object test(HttpServletRequest re){ String sortName = re.getParameter("sort");//前臺排序欄位 String sortOrder = re.getParameter("order");//desc OR asc JSONObject json = new JSONObject(); List<Map<String,String>> list = new ArrayList<Map<String
,String>>(); //list賦值 Map<String,String> map = new HashMap<String,String>(); map.put("time","2016-01-12 10:30:25"); map.put("sort",1); list.add(map); Map<String,String> map1 = new HashMap<String,String>(); map1.put("time","2016-01-11 10:30:25"); map1.put("sort"
,2); list.add(map1); Collection.sort(list,new Comparator<Map<String,String>>(){ @Override public int compare(Map<String,String>m,Map<String,String>m1){ if("time".equals(sortName)){ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); Date d = new Date(); Date d1 = new Date(); d = sdf.parse(m.get("time").toString()); d1 = sdf.parse(m1.get("time").toString()); if("asc".equals(sortOrder)) return d.compareTo(d1); else return d1.compareTo(d); }else if("sort".equals(sortName)){ if("asc".equals(sortOrder)) return (Integer.parse(m.get("sort").toString()).compareTo(Integer.parse(m1.get("sort").toString())); else return (Integer.parse(m1.get("sort").toString()).compareTo(Integer.parse(m.get("sort").toString())); }else return -1; } }); json.put("list",list); return json.toString(); }