java List 用法。
Map map = new HashMap();
map.put("key1", "value1");
map.put("key2", "value2");
List> list = new ArrayList>();
list.add(map);
for(int i = 0;i < list.size();i++)
{
Map map = list.get(i);
String authorStr = map.get("key1").toString();
System.out.println("author" + " : " + authorStr);
}