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import pygame

print(pygame.font.get_fonts())

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self.font=pygame.font.SysFont(None,48)#None系统默认字体

self.font = pygame.font.SysFont("arial", 16)

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self.font = pygame.font.Font("my_font.ttf", 16) #字体，字号

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#系统自带

self.font = pygame.font.SysFont("SimHei", 32)  # 显示中文

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self.font=pygame.font.Font('mnjzbh.ttf',32) # 显示中文

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import pygame.font

class BUtton:

    def __init__(self, ai_game, msg):

        """初始化按钮属性"""

        # msg是要在按钮上显示的文本

        self.screen = ai_game.screen

        self.screen_rect = ai_game.screen.get_rect()

        # 设置按钮的尺寸和其他属性

        self.width, self.height = 200, 50

        self.buttom_color=(0,255,0)

        self.text_color=(255,255,255)

        self.font=pygame.font.SysFont(None,48)

        #创建按钮的rect对象，并使其居中

        self.rect=pygame.Rect(0,0,self.width,self.height)

        self.rect.center=self.screen_rect.center

        #按钮的标签只创建一次

        self._pre_msg(msg)

    def _pre_msg(self,msg):

        """将msg渲染为图像,并使其在按钮上居中"""

        self.msg_image=self.font.render(msg,True,self.text_color

                                        ,self.buttom_color)

        #布尔实参指定开启还是关闭反锯齿功能，反锯齿让文本的边缘更平滑

        self.msg_image_rect=self.msg_image.get_rect()

        #让图像文本在按钮上居中

        self.msg_image_rect.center=self.rect.center

    def draw_button(self):

        """绘制一个用颜色填充的按钮，再绘制文本"""

        self.screen.fill(self.buttom_color,self.rect)

        self.screen.blit(self.msg_image,self.msg_image_rect)

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font = pygame.font.SysFont("freesansbold.ttf", 30)  # 30:font size

text = font.render("content", True, (0,0,0))    # (0,0,0) color of font

self.window.blit(text,(10,10))  # (10,10) rect left top