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Bukkit-EventHandler方法出错

[英]Bukkit - Error with an EventHandler method

由于某种原因,当我使用@EventHandler批注进行某些操作时,我一直收到一个错误。 我正在使用Bukkit 1.7.9。 这是我的代码的一部分:

@EventHandler
public void onSignChange(SignChangeEvent event, CommandSender sender, Command cmd, String commandLabel){
    Player player = event.getPlayer();
    if(player.hasPermission("CustomJoinSigns.Create")) {
        if(event.getLine(0).equalsIgnoreCase("Minigame")) {
            player.sendMessage(ChatColor.BLUE + "Please type in the minigame name:");
            player.sendMessage(ChatColor.GOLD + "1)" + ChatColor.RED + "Do " + ChatColor.YELLOW + "/cjs setminigame [Minigame]");
            player.sendMessage(ChatColor.GOLD + "2)" + ChatColor.RED + "Do " + ChatColor.YELLOW + "/cjs cancel");
            if(commandLabel.equalsIgnoreCase("cjs setminigame" + minvar));
            player.sendMessage("Test Successful");
        }
    }
}

这是我的错误日志:

ERROR CustomJoinSigns v1 attempted to register an invalid EventHandler method signature 
"public void me.pvpcraftnetwork.customjoinsigns.Main.onSignChange(org.bukkit.event.block.SignChangeEvent,org.bukkit.command.CommandSender,org.bukkit.command.Command,java.lang.String)"
in class me.pvpcraftnetwork.customjoinsigns.Main

关于我做错了什么建议?

Listener方法中只能有一个参数。 它看起来应该像这样:

@EventHandler
public void onSignChange(SignChangeEvent event){
  Player player = event.getPlayer();
  if(player.hasPermission("CustomJoinSigns.Create")) {
    if(event.getLine(0).equalsIgnoreCase("Minigame")) {
        player.sendMessage(ChatColor.BLUE + "Please type in the minigame name:");
        player.sendMessage(ChatColor.GOLD + "1)" + ChatColor.RED + "Do " + ChatColor.YELLOW + "/cjs setminigame [Minigame]");
        player.sendMessage(ChatColor.GOLD + "2)" + ChatColor.RED + "Do " + ChatColor.YELLOW + "/cjs cancel");
        if(commandLabel.equalsIgnoreCase("cjs setminigame" + minvar));
        player.sendMessage("Test Successful");
    }
  }
}

CommandSender sender, Command cmd, String commandLabel中使用了CommandSender sender, Command cmd, String commandLabel等参数……所以也许您认为注册事件就像在玩家运行命令时监听一样?

同样,所有@EventHandler方法只能有一个参数,这是您正在侦听的事件。 因此,如果您正在监听PlayerJoinEvent ,则可以使用:

@EventHandler
public void playerJoin(PlayerJoinEvent event){
  //code here
}

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