第一章 Discord账号注册
第二章 Discord创建服务器
第三章 Discord创建机器人
- 3.1、创建应用
- 3.2、创建机器人
- 3.3、配置机器人
- 3.4、添加机器人
第四章 Discord机器人开发准备
- 4.1、推荐资料
- 4.2、创建工程
- 4.3、添加依赖
- 4.4、获取Token
- 4.5、编写主类
第五章 Discord机器人开发初级
- 5.1、和机器人对话
- 5.2、获取历史消息
- 5.3、删除指定消息
- 5.4、删除所有消息
第六章 Discord机器人开发中级
- 6.1、监听公会事件
- 6.2、监听频道事件
- 6.3、监听消息事件
第七章 Discord机器人开发高级
- 7.1、指令行的开发
- 7.2、右键菜单开发
- 7.3、下拉列表开发
- 7.4、各种按钮开发
- 7.5、模态框的开发

第一章 Discord账号注册

温馨提示：在阅读本文章内容之前，请确保您能正常访问外网。

官方网址： https://discord.com/

注册页面： https://discord.com/register

第二章 Discord创建服务器

第三章 Discord创建机器人

3.1、创建应用

开发者平台： https://discord.com/developers/applications

3.2、创建机器人

3.3、配置机器人

3.4、添加机器人

第四章 Discord机器人开发准备

温馨提示：在进行开发前，请确保您的开发环境是：jdk1.8、maven3.6.3、idea2021.1

4.1、推荐资料

JDA推荐视频： 点击打开
JDA开发文档： 点击打开
JDA源码地址： 点击打开

4.2、创建工程

4.3、添加依赖

<dependencies><dependency><groupId>net.dv8tion</groupId><artifactId>JDA</artifactId><version>5.0.0-alpha.12</version></dependency>
</dependencies>

4.4、获取Token

4.5、编写主类

package cn.caochenlei;import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.JDABuilder;public class JavaBotApp {private static final String TOKEN = "******替换成你自己的******";public static void main(String[] args) throws Exception {JDA jda = JDABuilder.createDefault(TOKEN).build().awaitReady();}
}

第五章 Discord机器人开发初级

5.1、和机器人对话

JavaBotApp

package cn.caochenlei;import cn.caochenlei.event.MessageEvent;
import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.JDABuilder;public class JavaBotApp {private static final String TOKEN = "******替换成你自己的******";public static void main(String[] args) throws Exception {JDA jda = JDABuilder.createDefault(TOKEN).build().awaitReady();jda.addEventListener(new MessageEvent());}
}

MessageEvent

package cn.caochenlei.event;import net.dv8tion.jda.api.OnlineStatus;
import net.dv8tion.jda.api.Permission;
import net.dv8tion.jda.api.entities.*;
import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
import net.dv8tion.jda.api.hooks.ListenerAdapter;
import org.jetbrains.annotations.NotNull;import java.util.EnumSet;
import java.util.List;public class MessageEvent extends ListenerAdapter {@Overridepublic void onMessageReceived(@NotNull MessageReceivedEvent event) {//如果是机器人发消息触发这个事件则忽略//如果不加，则这个事件会变成死循环事件if (event.getAuthor().isBot()) {return;}Message message = event.getMessage();//获取服务器（公会）信息Guild guild = message.getGuild();String guildId = guild.getId();String guildName = guild.getName();System.out.println("guildId = " + guildId);//输出服务器（公会）idSystem.out.println("guildName = " + guildName);//输出服务器（公会）名称//获取频道信息MessageChannel channel = message.getChannel();String channelId = channel.getId();String channelName = channel.getName();ChannelType channelType = channel.getType();System.out.println("channelId = " + channelId);//输出频道idSystem.out.println("channelName = " + channelName);//输出频道名称System.out.println("channelType = " + channelType);//输出频道类型//获取发消息人Member member = message.getMember();String memberId = member.getId();String memberNickname = member.getNickname();String memberEffectiveName = member.getEffectiveName();List<Role> memberRoles = member.getRoles();EnumSet<Permission> memberPermissions = member.getPermissions();OnlineStatus memberOnlineStatus = member.getOnlineStatus();System.out.println("memberId = " + memberId);//输出发送消息人的idSystem.out.println("memberNickname = " + memberNickname);//输出发送消息人的昵称System.out.println("memberEffectiveName = " + memberEffectiveName);//输出发送消息人的有效名称System.out.println("memberRoles = " + memberRoles);//输出发送消息人的角色列表System.out.println("memberPermissions = " + memberPermissions);//输出发送消息人的权限列表System.out.println("memberOnlineStatus = " + memberOnlineStatus);//输出发送消息人的在线状态//获取消息信息String messageId = message.getId();String messageContentRaw = message.getContentRaw();MessageType messageType = message.getType();System.out.println("messageId = " + messageId);//输出消息idSystem.out.println("messageContentRaw = " + messageContentRaw);//输出消息内容System.out.println("messageType = " + messageType);//输出消息类型//回应用户消息channel.sendMessage("bot already received").queue();}
}

5.2、获取历史消息

JavaBotApp

package cn.caochenlei;import cn.caochenlei.event.MessageEvent;
import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.JDABuilder;
import net.dv8tion.jda.api.entities.Guild;
import net.dv8tion.jda.api.entities.Message;
import net.dv8tion.jda.api.entities.TextChannel;
import net.dv8tion.jda.api.entities.VoiceChannel;import java.util.ArrayList;
import java.util.List;
import java.util.Objects;public class JavaBotApp {private static final String TOKEN = "******替换成你自己的******";public static void main(String[] args) throws Exception {JDA jda = JDABuilder.createDefault(TOKEN).build().awaitReady();//jda.addEventListener(new MessageEvent());Guild guild = jda.getGuildById("985525076327792690");//获取服务器（公会）TextChannel textChannel = jda.getTextChannelById("985525076822724670");//获取文本频道VoiceChannel voiceChannel = jda.getVoiceChannelById("985525076822724671");//获取语音频道//获取文本频道历史消息List<Message> historyMessage = getHistoryMessage(textChannel);System.out.println("historyMessageSize = " + historyMessage.size());historyMessage.forEach(message -> {System.out.println(message.getContentRaw());});}public static List<Message> getHistoryMessage(TextChannel textChannel) {List<Message> messageList = new ArrayList<>();int limit = 100;int size;String lastMsgId = null;List<Message> retrievedHistory;//循环请求历史消息do {if (lastMsgId == null) {retrievedHistory = textChannel.getHistoryFromBeginning(limit).complete().getRetrievedHistory();} else {retrievedHistory = textChannel.getHistoryAfter(lastMsgId, limit).complete().getRetrievedHistory();}Objects.requireNonNull(retrievedHistory);messageList.addAll(retrievedHistory);size = retrievedHistory.size();System.out.printf("current request size %d\n", size);if (!retrievedHistory.isEmpty()) {//分页返回的内容都是反序，所以首个其实是最后一个lastMsgId = retrievedHistory.get(0).getId();}if (size < limit) {break;}} while (true);//根据创建时间升序messageList.sort(((o1, o2) -> (int) (o1.getTimeCreated().toEpochSecond() - o2.getTimeCreated().toEpochSecond())));//返回最终历史消息return messageList;}
}

除此之外另外一种方式：

//获取文本频道历史消息
getHistoryMessage(textChannel, messagesList -> {messagesList.forEach(message -> {System.out.println(message.getContentRaw());});
});public static void getHistoryMessage(MessageChannel channel, Consumer<List<Message>> callback) {List<Message> messages = new ArrayList<>();channel.getIterableHistory().cache(false).forEachAsync((message) -> messages.add(message)).thenRun(() -> messages.sort(((o1, o2) -> (int) (o1.getTimeCreated().toEpochSecond() - o2.getTimeCreated().toEpochSecond())))).thenRun(() -> callback.accept(messages));
}

获取最近指定条数消息：

//获取最近指定条数消息
getLastMessage(textChannel, 5, messagesList -> {messagesList.forEach(message -> {System.out.println(message.getContentRaw());});
});public static void getLastMessage(MessageChannel channel, int limit, Consumer<List<Message>> callback) {List<Message> messages = new ArrayList<>(limit);channel.getIterableHistory().cache(false).forEachAsync((message) -> {messages.add(message);return messages.size() < limit;}).thenRun(() -> messages.sort(((o1, o2) -> (int) (o1.getTimeCreated().toEpochSecond() - o2.getTimeCreated().toEpochSecond())))).thenRun(() -> callback.accept(messages));
}

5.3、删除指定消息

JavaBotApp

//删除最近的一条消息
if (!historyMessage.isEmpty()) {textChannel.deleteMessageById(historyMessage.get(historyMessage.size() - 1).getId()).queue();System.out.println("delete last message complete");
}

5.4、删除所有消息

POM.XML

<dependency><groupId>com.google.guava</groupId><artifactId>guava</artifactId><version>31.1-jre</version>
</dependency>

JavaBotApp

//只能删除两周内消息
//删除所有的历史消息
if (!historyMessage.isEmpty()) {//获取所有消息List<String> messageIds = historyMessage.stream().map(Message::getId).collect(Collectors.toList());//切分消息列表List<List<String>> partitionList = Lists.partition(messageIds, 100);//循环删除消息for (List<String> partitionIds : partitionList) {textChannel.deleteMessagesByIds(partitionIds).queue();}System.out.println("delete all message complete");
}

第六章 Discord机器人开发中级

事件列表：点击访问

6.1、监听公会事件

常见示例代码： GuildEvent

package cn.caochenlei.event;import net.dv8tion.jda.api.events.guild.GuildLeaveEvent;
import net.dv8tion.jda.api.events.guild.invite.GuildInviteCreateEvent;
import net.dv8tion.jda.api.events.guild.invite.GuildInviteDeleteEvent;
import net.dv8tion.jda.api.events.guild.member.GuildMemberJoinEvent;
import net.dv8tion.jda.api.events.guild.member.GuildMemberRemoveEvent;
import net.dv8tion.jda.api.events.guild.member.GuildMemberRoleAddEvent;
import net.dv8tion.jda.api.events.guild.member.GuildMemberRoleRemoveEvent;
import net.dv8tion.jda.api.hooks.ListenerAdapter;
import org.jetbrains.annotations.NotNull;public class GuildEvent extends ListenerAdapter {@Overridepublic void onGuildInviteCreate(@NotNull GuildInviteCreateEvent event) {System.out.println("一个邀请被创建了");}@Overridepublic void onGuildInviteDelete(@NotNull GuildInviteDeleteEvent event) {System.out.println("一个邀请被删除了");}@Overridepublic void onGuildMemberJoin(@NotNull GuildMemberJoinEvent event) {System.out.println("有新成员进入公会");}@Overridepublic void onGuildLeave(@NotNull GuildLeaveEvent event) {System.out.println("有老成员离开公会");}@Overridepublic void onGuildMemberRemove(@NotNull GuildMemberRemoveEvent event) {System.out.println("有成员被移除公会");}@Overridepublic void onGuildMemberRoleAdd(@NotNull GuildMemberRoleAddEvent event) {System.out.println("公会成员添加角色");}@Overridepublic void onGuildMemberRoleRemove(@NotNull GuildMemberRoleRemoveEvent event) {System.out.println("公会成员移除角色");}
}

6.2、监听频道事件

常见示例代码： ChannelEvent

package cn.caochenlei.event;import net.dv8tion.jda.api.events.channel.ChannelCreateEvent;
import net.dv8tion.jda.api.events.channel.ChannelDeleteEvent;
import net.dv8tion.jda.api.events.channel.update.ChannelUpdateNameEvent;
import net.dv8tion.jda.api.hooks.ListenerAdapter;
import org.jetbrains.annotations.NotNull;public class ChannelEvent extends ListenerAdapter {@Overridepublic void onChannelCreate(@NotNull ChannelCreateEvent event) {System.out.println("频道被创建了");}@Overridepublic void onChannelDelete(@NotNull ChannelDeleteEvent event) {System.out.println("频道被删除了");}@Overridepublic void onChannelUpdateName(@NotNull ChannelUpdateNameEvent event) {System.out.println("频道名称变了");}
}

6.3、监听消息事件

常见示例代码： MessageEvent

package cn.caochenlei.event;import net.dv8tion.jda.api.OnlineStatus;
import net.dv8tion.jda.api.Permission;
import net.dv8tion.jda.api.entities.*;
import net.dv8tion.jda.api.events.message.MessageDeleteEvent;
import net.dv8tion.jda.api.events.message.MessageEmbedEvent;
import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
import net.dv8tion.jda.api.events.message.MessageUpdateEvent;
import net.dv8tion.jda.api.hooks.ListenerAdapter;
import org.jetbrains.annotations.NotNull;import java.util.EnumSet;
import java.util.List;public class MessageEvent extends ListenerAdapter {@Overridepublic void onMessageReceived(@NotNull MessageReceivedEvent event) {System.out.println("消息被接收了");}@Overridepublic void onMessageDelete(@NotNull MessageDeleteEvent event) {System.out.println("消息被删除了");}@Overridepublic void onMessageUpdate(@NotNull MessageUpdateEvent event) {System.out.println("消息被更新了");}@Overridepublic void onMessageEmbed(@NotNull MessageEmbedEvent event) {System.out.println("接收卡片消息");}
}

第七章 Discord机器人开发高级

7.1、指令行的开发

SlashCommandEvent

package cn.caochenlei.event;import net.dv8tion.jda.api.EmbedBuilder;
import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.JDABuilder;
import net.dv8tion.jda.api.entities.Guild;
import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
import net.dv8tion.jda.api.hooks.ListenerAdapter;
import net.dv8tion.jda.api.interactions.commands.OptionType;
import net.dv8tion.jda.api.interactions.commands.build.Commands;
import org.jetbrains.annotations.NotNull;public class SlashCommandEvent extends ListenerAdapter {private static final String TOKEN = "******替换成你自己的******";public static void main(String[] args) throws Exception {//初始化 JDAJDA jda = JDABuilder.createDefault(TOKEN).build().awaitReady();//注册监听事件jda.addEventListener(new SlashCommandEvent());//注册指令命令for (Guild guild : jda.getGuilds()) {guild.updateCommands().addCommands(Commands.slash("show_slash_command", "show slash command example").addOption(OptionType.STRING, "param1", "Please enter param1", true).addOption(OptionType.STRING, "param2", "Please enter param2", true)).queue();}}@Overridepublic void onSlashCommandInteraction(@NotNull SlashCommandInteractionEvent event) {// 告诉机器人，延迟回复它（deferReply参数为true，代表仅发起者可见，反之则所有人可见）// event.deferReply().queue() + event.getHook()... = ✔// event.deferReply().queue() + event.reply()...   = ❌event.deferReply().queue();if ("show_slash_command".equals(event.getName())) {//接收参数String param1 = event.getOption("param1").getAsString();String param2 = event.getOption("param2").getAsString();//卡片消息EmbedBuilder embedBuilder = new EmbedBuilder();embedBuilder.setTitle("Result");embedBuilder.addField("param1:", param1, false);embedBuilder.addField("param2:", param2, false);embedBuilder.setFooter("This is a footer.");//回复消息event.getHook().sendMessageEmbeds(embedBuilder.build()).queue();}}
}

7.2、右键菜单开发

ContextEvent

package cn.caochenlei.event;import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.JDABuilder;
import net.dv8tion.jda.api.entities.Guild;
import net.dv8tion.jda.api.events.interaction.command.MessageContextInteractionEvent;
import net.dv8tion.jda.api.events.interaction.command.UserContextInteractionEvent;
import net.dv8tion.jda.api.hooks.ListenerAdapter;
import net.dv8tion.jda.api.interactions.commands.build.Commands;public class ContextEvent extends ListenerAdapter {private static final String TOKEN = "******替换成你自己的******";public static void main(String[] args) throws Exception {//初始化 JDAJDA jda = JDABuilder.createDefault(TOKEN).build().awaitReady();//注册监听事件jda.addEventListener(new ContextEvent());//注册指令命令for (Guild guild : jda.getGuilds()) {guild.updateCommands().addCommands(Commands.user("Get user avatar"),//注册用户右键菜单app命令Commands.message("Count words")//注册消息右键菜单app命令).queue();}}@Overridepublic void onUserContextInteraction(UserContextInteractionEvent event) {// 告诉机器人，延迟回复它（deferReply参数为true，代表仅发起者可见，反之则所有人可见）// event.deferReply().queue() + event.getHook()... = ✔// event.deferReply().queue() + event.reply()...   = ❌event.deferReply().queue();if ("Get user avatar".equals(event.getName())) {event.getHook().sendMessage("Avatar: " + event.getTarget().getEffectiveAvatarUrl()).queue();}}@Overridepublic void onMessageContextInteraction(MessageContextInteractionEvent event) {// 告诉机器人，延迟回复它（deferReply参数为true，代表仅发起者可见，反之则所有人可见）// event.deferReply().queue() + event.getHook()... = ✔// event.deferReply().queue() + event.reply()...   = ❌event.deferReply().queue();if ("Count words".equals(event.getName())) {event.getHook().sendMessage("Words: " + event.getTarget().getContentRaw().split("\\s+").length).queue();}}
}

7.3、下拉列表开发

DropdownEvent

package cn.caochenlei.event;import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.JDABuilder;
import net.dv8tion.jda.api.entities.Emoji;
import net.dv8tion.jda.api.entities.Guild;
import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
import net.dv8tion.jda.api.events.interaction.component.SelectMenuInteractionEvent;
import net.dv8tion.jda.api.hooks.ListenerAdapter;
import net.dv8tion.jda.api.interactions.commands.build.Commands;
import net.dv8tion.jda.api.interactions.components.selections.SelectMenu;
import net.dv8tion.jda.api.interactions.components.selections.SelectOption;
import org.jetbrains.annotations.NotNull;public class DropdownEvent extends ListenerAdapter {private static final String TOKEN = "******替换成你自己的******";public static void main(String[] args) throws Exception {//初始化 JDAJDA jda = JDABuilder.createDefault(TOKEN).build().awaitReady();//注册监听事件jda.addEventListener(new DropdownEvent());//注册指令命令for (Guild guild : jda.getGuilds()) {guild.updateCommands().addCommands(Commands.slash("show_dropdown", "This is a command description.")).queue();}}@Overridepublic void onSlashCommandInteraction(@NotNull SlashCommandInteractionEvent event) {// 告诉机器人，延迟回复它（deferReply参数为true，代表仅发起者可见，反之则所有人可见）// event.deferReply().queue() + event.getHook()... = ✔// event.deferReply().queue() + event.reply()...   = ❌event.deferReply().queue();if ("show_dropdown".equals(event.getName())) {SelectMenu selectMenu = SelectMenu.create("choose-food")// SelectOption with only the label, value, and description.addOption("Pizza", "pizza", "this is a pizza").addOption("Hot Dog", "hot dog", "this is a hot dog").addOption("Noodle", "noodle", "this is a noodle")// Another way to create a SelectOption.addOptions(SelectOption.of("hamburger", "hamburger").withDescription("this is a hamburger").withEmoji(Emoji.fromUnicode("\uD83C\uDF54")) // and an emoji.withDefault(true)) // while also being the default option.build();event.getHook().sendMessage("Choose your favorite food").addActionRow(selectMenu).queue();}}@Overridepublic void onSelectMenuInteraction(@NotNull SelectMenuInteractionEvent event) {// 告诉机器人，延迟回复它（deferReply参数为true，代表仅发起者可见，反之则所有人可见）// event.deferReply().queue() + event.getHook()... = ✔// event.deferReply().queue() + event.reply()...   = ❌event.deferReply().queue();if ("choose-food".equals(event.getComponentId())) {event.getHook().sendMessage("You chose " + event.getValues().get(0)).queue();}}
}

7.4、各种按钮开发

ButtonEvent

package cn.caochenlei.event;import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.JDABuilder;
import net.dv8tion.jda.api.entities.Emoji;
import net.dv8tion.jda.api.entities.Guild;
import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
import net.dv8tion.jda.api.events.interaction.component.ButtonInteractionEvent;
import net.dv8tion.jda.api.hooks.ListenerAdapter;
import net.dv8tion.jda.api.interactions.commands.build.Commands;
import net.dv8tion.jda.api.interactions.components.buttons.Button;
import org.jetbrains.annotations.NotNull;public class ButtonEvent extends ListenerAdapter {private static final String TOKEN = "******替换成你自己的******";public static void main(String[] args) throws Exception {//初始化 JDAJDA jda = JDABuilder.createDefault(TOKEN).build().awaitReady();//注册监听事件jda.addEventListener(new ButtonEvent());//注册指令命令for (Guild guild : jda.getGuilds()) {guild.updateCommands().addCommands(Commands.slash("show_button", "This is a command description.")).queue();}}@Overridepublic void onSlashCommandInteraction(@NotNull SlashCommandInteractionEvent event) {String name = event.getName();if ("show_button".equals(name)) {event.reply("Click the button to say hello").addActionRow(// Button with only a label//Button.primary("btn1", "Click Me"),//Button.success("btn2", "Click Me"),//Button.secondary("btn3", "Click Me"),//Button.danger("btn4", "Click Me"),//Button.link("https://www.baidu.com/", "百度一下")//,// Button with only an emoji//Button.primary("btn1", Emoji.fromMarkdown("<:minn:245267426227388416>")),//Button.success("btn2", Emoji.fromMarkdown("<:minn:245267426227388416>")),//Button.secondary("btn3", Emoji.fromMarkdown("<:minn:245267426227388416>")),//Button.danger("btn4", Emoji.fromMarkdown("<:minn:245267426227388416>")),//Button.link("https://www.baidu.com/", Emoji.fromMarkdown("<:minn:245267426227388416>"))//,// Button with label and emojiButton.primary("btn1", "Click Me").withEmoji(Emoji.fromMarkdown("<:github:849286315580719104>")),Button.success("btn2", "Click Me").withEmoji(Emoji.fromMarkdown("<:github:849286315580719104>")),Button.secondary("btn3", "Click Me").withEmoji(Emoji.fromMarkdown("<:github:849286315580719104>")),Button.danger("btn4", "Click Me").withEmoji(Emoji.fromMarkdown("<:github:849286315580719104>")),Button.link("https://www.baidu.com/", "百度一下").withEmoji(Emoji.fromMarkdown("<:github:849286315580719104>"))).queue();}}@Overridepublic void onButtonInteraction(@NotNull ButtonInteractionEvent event) {// 告诉机器人，延迟回复它（deferReply参数为true，代表仅发起者可见，反之则所有人可见）// event.deferReply().queue() + event.getHook()... = ✔// event.deferReply().queue() + event.reply()...   = ❌event.deferReply().queue();if ("btn1".equals(event.getComponentId())) {event.getHook().sendMessage("you click btn1 and say hello").queue();} else if ("btn2".equals(event.getComponentId())) {event.getHook().sendMessage("you click btn2 and say hello").queue();} else if ("btn3".equals(event.getComponentId())) {event.getHook().sendMessage("you click btn3 and say hello").queue();} else if ("btn4".equals(event.getComponentId())) {event.getHook().sendMessage("you click btn4 and say hello").queue();}}
}

7.5、模态框的开发

ModalEvent

package cn.caochenlei.event;import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.JDABuilder;
import net.dv8tion.jda.api.entities.Guild;
import net.dv8tion.jda.api.events.interaction.ModalInteractionEvent;
import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
import net.dv8tion.jda.api.hooks.ListenerAdapter;
import net.dv8tion.jda.api.interactions.commands.build.Commands;
import net.dv8tion.jda.api.interactions.components.ActionRow;
import net.dv8tion.jda.api.interactions.components.Modal;
import net.dv8tion.jda.api.interactions.components.text.TextInput;
import net.dv8tion.jda.api.interactions.components.text.TextInputStyle;
import org.jetbrains.annotations.NotNull;public class ModalEvent extends ListenerAdapter {private static final String TOKEN = "******替换成你自己的******";public static void main(String[] args) throws Exception {//初始化 JDAJDA jda = JDABuilder.createDefault(TOKEN).build().awaitReady();//注册监听事件jda.addEventListener(new ModalEvent());//注册指令命令for (Guild guild : jda.getGuilds()) {guild.updateCommands().addCommands(Commands.slash("show_modal", "This is a command description.")).queue();}}@Overridepublic void onSlashCommandInteraction(@NotNull SlashCommandInteractionEvent event) {// 注意：模态框不能延迟回复，延迟回复是无意义的if ("show_modal".equals(event.getName())) {TextInput subject = TextInput.create("subject", "Subject", TextInputStyle.SHORT).setPlaceholder("Subject of this ticket").setMinLength(1).setMaxLength(10).build();TextInput body = TextInput.create("body", "Body", TextInputStyle.PARAGRAPH).setPlaceholder("Your concerns go here").setMinLength(1).setMaxLength(10).build();Modal modal = Modal.create("form", "Modal Form").addActionRows(ActionRow.of(subject), ActionRow.of(body)).build();event.replyModal(modal).queue();}}@Overridepublic void onModalInteraction(@NotNull ModalInteractionEvent event) {// 告诉机器人，延迟回复它（deferReply参数为true，代表仅发起者可见，反之则所有人可见）// event.deferReply().queue() + event.getHook()... = ✔// event.deferReply().queue() + event.reply()...   = ❌event.deferReply().queue();if ("form".equals(event.getModalId())) {String subject = event.getValue("subject").getAsString();String body = event.getValue("body").getAsString();System.out.println("subject = " + subject);System.out.println("body = " + body);event.getHook().sendMessage("Thanks for your request!").queue();}}
}

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Discord机器人开发

目录

第一章 Discord账号注册

第二章 Discord创建服务器

第三章 Discord创建机器人

3.1、创建应用

3.2、创建机器人

3.3、配置机器人

3.4、添加机器人

第四章 Discord机器人开发准备

4.1、推荐资料

4.2、创建工程

4.3、添加依赖

4.4、获取Token

4.5、编写主类

第五章 Discord机器人开发初级

5.1、和机器人对话

5.2、获取历史消息

5.3、删除指定消息

5.4、删除所有消息

第六章 Discord机器人开发中级

6.1、监听公会事件

6.2、监听频道事件

6.3、监听消息事件

第七章 Discord机器人开发高级

7.1、指令行的开发

7.2、右键菜单开发

7.3、下拉列表开发

7.4、各种按钮开发

7.5、模态框的开发

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