//needToSortMap : 按照value升序排列
Map<String, String> sortedMap = new LinkedHashMap<String, String>();
List<Map.Entry<String, String>> entryList = new ArrayList<Map.Entry<String, String>>(
needToSortMap.entrySet());
Collections.sort(entryList, new Comparator<Map.Entry<String, String>>() {
@Override
public int compare(Map.Entry<String, String> o1, Map.Entry<String, String> o2) {
return o1.getValue().compareTo(o2.getValue());
}
});
Iterator<Map.Entry<String, String>> iter = entryList.iterator();
Map.Entry<String, String> tmpEntry = null;
while (iter.hasNext()) {
tmpEntry = iter.next();
sortedMap.put(tmpEntry.getKey(), tmpEntry.getValue());
}
return sortedMap;
//map按照key升序排序
/*Map<String,String> sortedMapByKey = new TreeMap<String,String>();
sortedMapByKey.putAll(needToSortMap );
sortedMapByKey = new TreeMap<String,String>(new Comparator<String>() {//第二种
public int compare(String obj1, String obj2) {
return obj1.compareTo(obj2);
}
});
sortedMapByKey.putAll(needToSortMap );*/