package excel;  

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;  

public class List1

{

  public static void main(String[] args)

  {  

    Map map = new HashMap<String, Object>();

    map.put("1", "fds");

    map.put("2", "valu");

    List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();

    list.add(map);

    for (Map<String, Object> m : list)

    {

      for (String k : m.keySet())

      {

        System.out.println(k + " : " + m.get(k));

      }  

    }  

  }

} 

map的for循环中for(Map.Entry<String, Object> entry : paraMap.entrySet())