StringBuffer sb = new StringBuffer("\n");
Iterator iterator = m.entrySet().iterator();
while (iterator.hasNext()) {
Map.Entry entry = (Map.Entry) iterator.next();
String strName = entry.getKey() + "";
String strValue = entry.getValue() + "";
sb.append(strName + " = " + strValue + "\n");
}
sb.append("\n");
Iterator iterator = m.entrySet().iterator();
while (iterator.hasNext()) {
Map.Entry entry = (Map.Entry) iterator.next();
String strName = entry.getKey() + "";
String strValue = entry.getValue() + "";
sb.append(strName + " = " + strValue + "\n");
}
sb.append("\n");
return Fields.keySet();//返回一个key的值的set;
你只需要 iterator解析就能得到所有key的值
Set为key的集合.