How do I set the game mode of people who come in to the Minecraft server so that it is the default game mode when entering the server for the first time? How to let pirated players also enter?

allow-nether=true #Whether to enable hell

level-name=world #Default world name (it is best not to change it)

enable-query=false ? #No big use

allow-flight=false ? #No big use

announce-player-achievements=true ?#Unclear meaning

server -port=25566 #Server port (127.0.0.1: The colon in 25565 is followed by the value of this server-port)

enable-rcon=false ?#Whether to enable rcon monitoring (useless)

enable-rcon=false ? p>

force-gamemode=false ?#force game mode

level-seed= ? #My world map seed (don’t fill in if there is no special need)

server- ip= #The server points to the IP (do not change it to empty by default)

max-build-height=256? #The maximum building height of the server

spawn-npcs=true? #Is there a main city? NPC

white-list=false ?#Whether to enable the whitelist (only players in the whitelist can enter the server after it is enabled, otherwise they cannot enter.

Don’t open it casually)

spawn-animals=true ? #Are there animals in the main city?

snooper-enabled=true ?#Unclear meaning

hardcore=false # Is Minecraft extreme mode turned on (everyone who has played it knows)

online-mode=false? #Whether genuine verification is turned on, you need to use the official Minecraft launcher to enter

resource-pack= ?#Server resource pack: fill in the download address (don't fill in if not required)

pvp=true #Whether to enable server PVP

difficulty=1 #Server difficulty: 0 Peaceful 1 Easy 2 Medium 3 Hard

enable-command-block=false ?#Whether to enable the command block

player-idle-timeout=0 ? #Unclear

gamemode=0 #The default game mode for players to enter the game is 1 Creation 0 Survival 2 Adventure Mode 3 Spectator

max-players=20 ? #The maximum number of players in the server (players cannot enter after exceeding it)

max-players=20 ? p>

spawn-monsters=true ? #Whether the main city refreshes monsters

view-distance=10 ?#Unknown meaning

generate-structures=true ?#Unknown meaning

spawn-protection=16 #The maximum protected area of ??the server (players cannot destroy buildings)

motd=A Minecraft Server?MOTD refers to what will be displayed below after the player adds the server Content (cannot be Chinese or special symbols)

Refer to Baidu Experience Minecraft Server server.properties Configuration Tutorial. In it, you mentioned how to set up multiplayer game mode and pirated players can also enter. I have added it in italics. I hope this helps you.