import net.dv8tion.jda.core.events.message.guild.GuildMessageDeleteEvent; //导入依赖的package包/类
@Override
public void onMessageDelete(DiscordBot bot, DiscordShard shard, GuildMessageDeleteEvent event) {
    DSLContext database = bot.getDatabase();
    String messageId = event.getMessageId();
    database.deleteFrom(Tables.MESSAGES)
            .where(Tables.MESSAGES.MESSAGEID.eq(messageId))
            .execute();
}
 

import net.dv8tion.jda.core.events.message.guild.GuildMessageDeleteEvent; //导入依赖的package包/类
@Override
public void onGuildMessageDelete(GuildMessageDeleteEvent event)
{
    EmbedBuilder builder = new EmbedBuilder();
    Guild guild = event.getGuild();
    TextChannel tc = db.getServerlogChannel(guild);
    Message message = MessagesLogging.getMsg(event.getMessageIdLong());
    String title;
    TextChannel channel = FinderUtil.getDefaultChannel(event.getGuild());

    if(!(message.getContent().equals("No cached message")) && !(tc==null) && !(message.getAuthor().isBot()))
    {
        if(!(tc.getGuild().getSelfMember().hasPermission(tc, Permission.MESSAGE_READ, Permission.MESSAGE_WRITE, Permission.MESSAGE_EMBED_LINKS, Permission.MESSAGE_HISTORY)))
            guild.getOwner().getUser().openPrivateChannel().queue(s -> s.sendMessage(Messages.SRVLOG_NOPERMISSIONS).queue(
                    null, (e) -> channel.sendMessage(Messages.SRVLOG_NOPERMISSIONS).queue()));
        else
        {
            title = "`[Message Deleted]:` :wastebasket: **"+message.getAuthor().getName()+"#"+message.getAuthor().getDiscriminator()+"**'s message was deleted in "+message.getTextChannel().getAsMention()+":";

            builder.setAuthor(message.getAuthor().getName(), null, message.getAuthor().getEffectiveAvatarUrl());
            builder.setDescription("```\n"+message.getContent()+"```");
            builder.setFooter("Message ID: "+message.getId(), null);
            builder.setColor(event.getGuild().getSelfMember().getColor());
            builder.setTimestamp(message.getCreationTime());

            tc.sendMessage(new MessageBuilder().append(title).setEmbed(builder.build()).build()).queue((m) -> MessagesLogging.removeMessage(message.getIdLong()));
        }
    }
    else
    {
        if(!(tc==null) && !(message.getAuthor()==null))
        {
            if(!(tc.getGuild().getSelfMember().hasPermission(tc, Permission.MESSAGE_READ, Permission.MESSAGE_WRITE, Permission.MESSAGE_EMBED_LINKS, Permission.MESSAGE_HISTORY)))
                guild.getOwner().getUser().openPrivateChannel().queue(s -> s.sendMessage(Messages.SRVLOG_NOPERMISSIONS).queue(
                        null, (e) -> tc.sendMessage(Messages.SRVLOG_NOPERMISSIONS).queue()));
            else
            {
                title = "`[Message Deleted]:` :wastebasket: A message was deleted:";

                builder.setDescription("```No cached message.```");
                builder.setFooter("Message ID: " + event.getMessageId(), null);
                builder.setColor(event.getGuild().getSelfMember().getColor());

                tc.sendMessage(new MessageBuilder().append(title).setEmbed(builder.build()).build()).queue((m) -> MessagesLogging.removeMessage(message.getIdLong()));
            }
        }
    }
}
 

import net.dv8tion.jda.core.events.message.guild.GuildMessageDeleteEvent; //导入依赖的package包/类
@Override
public void onGuildMessageDelete(GuildMessageDeleteEvent event) {
    // TODO(sam): Add message cache and trigger message processors if
    // deleted message is in the cache
}
 

import net.dv8tion.jda.core.events.message.guild.GuildMessageDeleteEvent; //导入依赖的package包/类
@SubscribeEvent
private void onGuildMessageDelete(final GuildMessageDeleteEvent event)
{
    this.update(event.getChannel());
}
 

import net.dv8tion.jda.core.events.message.guild.GuildMessageDeleteEvent; //导入依赖的package包/类
@Override
protected Long handleInternally(JSONObject content)
{
    final long messageId = content.getLong("id");
    final long channelId = content.getLong("channel_id");

    MessageChannel channel = api.getTextChannelById(channelId);
    if (channel == null)
    {
        channel = api.getPrivateChannelById(channelId);
    }
    if (channel == null)
    {
        channel = api.getFakePrivateChannelMap().get(channelId);
    }
    if (channel == null && api.getAccountType() == AccountType.CLIENT)
    {
        channel = api.asClient().getGroupById(channelId);
    }
    if (channel == null)
    {
        api.getEventCache().cache(EventCache.Type.CHANNEL, channelId, () -> handle(responseNumber, allContent));
        EventCache.LOG.debug("Got message delete for a channel/group that is not yet cached. ChannelId: {}", channelId);
        return null;
    }

    if (channel instanceof TextChannel)
    {
        TextChannelImpl tChan = (TextChannelImpl) channel;
        if (api.getGuildLock().isLocked(tChan.getGuild().getIdLong()))
        {
            return tChan.getGuild().getIdLong();
        }
        if (tChan.hasLatestMessage() && messageId == channel.getLatestMessageIdLong())
            tChan.setLastMessageId(0); // Reset latest message id as it was deleted.
        api.getEventManager().handle(
                new GuildMessageDeleteEvent(
                        api, responseNumber,
                        messageId, tChan));
    }
    else if (channel instanceof PrivateChannel)
    {
        PrivateChannelImpl pChan = (PrivateChannelImpl) channel;
        if (channel.hasLatestMessage() && messageId == channel.getLatestMessageIdLong())
            pChan.setLastMessageId(0); // Reset latest message id as it was deleted.
        api.getEventManager().handle(
                new PrivateMessageDeleteEvent(
                        api, responseNumber,
                        messageId, pChan));
    }
    else
    {
        GroupImpl group = (GroupImpl) channel;
        if (channel.hasLatestMessage() && messageId == channel.getLatestMessageIdLong())
            group.setLastMessageId(0); // Reset latest message id as it was deleted.
        api.getEventManager().handle(
                new GroupMessageDeleteEvent(
                        api, responseNumber,
                        messageId, group));
    }

    //Combo event
    api.getEventManager().handle(
            new MessageDeleteEvent(
                    api, responseNumber,
                    messageId, channel));
    return null;
}
 

import net.dv8tion.jda.core.events.message.guild.GuildMessageDeleteEvent; //导入依赖的package包/类
public void onMessageDelete(DiscordBot bot, DiscordShard shard, GuildMessageDeleteEvent event) {}