List<Map<String, Obejct>>遍历

List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
Map<String, Object> map = new HashMap<String, Object>();
map.put("key1", "value1");
map.put("key2", "value2");
list.add(map);

for (Map<String, Object> m : list) {
    for (String k : m.keySet()) {
        System.out.println(k + " : " + m.get(k));
    }
}