map集合的循环示例

    /**
     * 报警状态下拉列表信息
     * @return
     * @throws Exception
     */
    public String alarmStatusList() throws Exception {
        List<Map<String, String>> list = new ArrayList<Map<String,String>>();
        Map<String, String> map1 = new HashMap<String, String>();
        Map<String, String> map2 = new HashMap<String, String>();
        map2.put("value", "");
        map2.put("text", "全部");
        list.add(map2);
        map1 = dicItemManager.findItemMapByGroupCode("jdclx");
        for (String key : map1.keySet()) {
            map2 = new HashMap<String, String>();
            map2.put("value", map1.get(key));
            map2.put("text", map1.get(key));
            list.add(map2);
        }
        JSONArray arry = JSONArray.fromObject(list);
        this.jsonObject = arry.toString();
        return JSON;
    }