feat: add nslookup command

src/main/kotlin/cn/rtast/fancybot/commands/NslookupCommand.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright © 2024 RTAkland
+ * Author: RTAkland
+ * Date: 2024/9/6
+ */
+
+
+package cn.rtast.fancybot.commands
+
+import cn.rtast.rob.entity.GroupMessage
+import cn.rtast.rob.util.BaseCommand
+import cn.rtast.rob.util.ob.MessageChain
+import cn.rtast.rob.util.ob.OBMessage
+import java.net.InetAddress
+
+class NslookupCommand : BaseCommand() {
+    override val commandNames = listOf("/nslookup", "/ns")
+
+    override suspend fun executeGroup(listener: OBMessage, message: GroupMessage, args: List<String>) {
+        val msg = MessageChain.Builder()
+            .addReply(message.messageId)
+            .addText("域名: ${args.first()}解析后的IP地址为: ")
+            .addText(InetAddress.getByName(args.first()).hostAddress)
+            .build()
+        listener.sendGroupMessage(message.groupId, msg)
+    }
+}