class_name ComparisonTable extends Node static func compare(index): match index: "0": return "用户名错误" "1": return "密码错误" "2": return "用户名或密码为空" "3": return "用户名以存在" "4": return "注册成功" "5": return "变量缺失" "6": return "未知错误" _: return index pass static func career(index): match index: "0",0: return "战士" "2",2: return "法师" "4",4: return "道士"