[群发相同消息](%E7%BE%A4%E5%8F%91%E7%9B%B8%E5%90%8C%E6%B6%88%E6%81%AF.md) [群发不同消息](%E7%BE%A4%E5%8F%91%E4%B8%8D%E5%90%8C%E6%B6%88%E6%81%AF.md) [群发合并消息](%E7%BE%A4%E5%8F%91%E5%90%88%E5%B9%B6%E6%B6%88%E6%81%AF.md)