qq_36660528的博客

1.List>的遍历：Map map = new HashMap();      map.put("1", "fds");     map.put("2", "valu");     List> list = new ArrayList>();     list.add(map);     for (Map m : list){       for (String k : m.keySet()){

package net.lzzy.utils;import java.util.Properties;import javax.mail.Address;import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.Session;import javax.mail.