//按照key的大小排序
private Map<String, String> sortMap(Map<String, String> k_v) {
    List<Map.Entry<String, String>> list = new ArrayList<Map.Entry<String, String>>(k_v.entrySet());
Collections.sort(list, new Comparator<Map.Entry<String, String>>() {

        @Override
 
public int compare(Map.Entry<String, String> o1,
Map.Entry<String, String> o2) {
            // 升序排序
return Integer.parseInt(o1.getKey()) - Integer.parseInt(o2.getKey());
}
    });
Map result = new LinkedHashMap();
    for (Map.Entry<String, String> entry : list) {
        result.put(entry.getKey(), 
 
entry.getValue());
}

    return result;
}