{"id":1181952,"date":"2025-01-15T18:57:45","date_gmt":"2025-01-15T10:57:45","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1181952.html"},"modified":"2025-01-15T18:57:48","modified_gmt":"2025-01-15T10:57:48","slug":"python%e4%b8%ad%e8%99%9a%e7%ba%bf%e8%af%a5%e5%a6%82%e4%bd%95%e8%a1%a8%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1181952.html","title":{"rendered":"python\u4e2d\u865a\u7ebf\u8be5\u5982\u4f55\u8868\u793a"},"content":{"rendered":"

\"python\u4e2d\u865a\u7ebf\u8be5\u5982\u4f55\u8868\u793a\"<\/p>\n

\u5728Python\u4e2d\uff0c\u865a\u7ebf\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8868\u793a\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684\u5e93\u6216\u5de5\u5177\u3002\u5e38\u89c1\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528Matplotlib\u7ed8\u56fe\u5e93\u3001Pygame\u5e93\u4ee5\u53ca\u76f4\u63a5\u5728\u7ec8\u7aef\u8f93\u51fa\u865a\u7ebf\u7b49\u3002\u4f7f\u7528Matplotlib\u7684plot\u51fd\u6570\u3001\u4f7f\u7528Pygame\u7684draw.line\u51fd\u6570\u3001\u5728\u7ec8\u7aef\u8f93\u51fa\u865a\u7ebf<\/strong>\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u63cf\u8ff0\u4f7f\u7528Matplotlib\u7684plot\u51fd\u6570\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n

\u4f7f\u7528Matplotlib\u7684plot\u51fd\u6570<\/h3>\n<\/p>\n

Matplotlib\u662fPython\u4e2d\u6700\u5e38\u7528\u7684\u7ed8\u56fe\u5e93\u4e4b\u4e00\uff0c\u5b83\u63d0\u4f9b\u4e86\u8bb8\u591a\u5f3a\u5927\u7684\u529f\u80fd\u6765\u521b\u5efa\u5404\u79cd\u7c7b\u578b\u7684\u56fe\u8868\u548c\u53ef\u89c6\u5316\u3002\u5728Matplotlib\u4e2d\uff0c\u865a\u7ebf\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u7ebf\u578b\u53c2\u6570\uff08linestyle\uff09\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n

import matplotlib.pyplot as plt<\/p>\n
\u521b\u5efa\u6570\u636e<\/strong><\/h2>\n
x = [0, 1, 2, 3, 4, 5]<\/p>\n
y = [0, 1, 4, 9, 16, 25]<\/p>\n
\u7ed8\u5236\u865a\u7ebf<\/strong><\/h2>\n
plt.plot(x, y, linestyle='--', color='blue')<\/p>\n
\u6dfb\u52a0\u6807\u9898\u548c\u6807\u7b7e<\/strong><\/h2>\n
plt.title('\u865a\u7ebf\u793a\u4f8b')<\/p>\n
plt.xlabel('X\u8f74')<\/p>\n
plt.ylabel('Y\u8f74')<\/p>\n
\u663e\u793a\u56fe\u8868<\/strong><\/h2>\n
plt.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0clinestyle='--'<\/code>\u8868\u793a\u4f7f\u7528\u865a\u7ebf\u3002Matplotlib\u4e2d\u8fd8\u63d0\u4f9b\u4e86\u5176\u4ed6\u591a\u79cd\u7ebf\u578b\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e0d\u540c\u7684\u53c2\u6570\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
\n
\u4e00\u3001\u4f7f\u7528Matplotlib\u7684plot\u51fd\u6570<\/h3>\n<\/p>\n
1\u3001\u57fa\u7840\u865a\u7ebf\u7ed8\u5236<\/h4>\n<\/p>\n
Matplotlib\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684Python\u7ed8\u56fe\u5e93\uff0c\u53ef\u4ee5\u751f\u6210\u5404\u79cd\u9759\u6001\u3001\u52a8\u6001\u548c\u4ea4\u4e92\u5f0f\u7684\u56fe\u8868\u3002\u5728Matplotlib\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9alinestyle<\/code>\u53c2\u6570\u6765\u7ed8\u5236\u865a\u7ebf\u3002\u5e38\u89c1\u7684\u865a\u7ebf\u7c7b\u578b\u5305\u62ec'--'<\/code>\uff08\u77ed\u5212\u7ebf\uff09\u3001'-.'<\/code>\uff08\u70b9\u5212\u7ebf\uff09\u548c':'<\/code>\uff08\u70b9\u7ebf\uff09\u3002<\/p>\n<\/p>\n
import matplotlib.pyplot as plt<\/p>\n
\u521b\u5efa\u6570\u636e<\/strong><\/h2>\n
x = [0, 1, 2, 3, 4, 5]<\/p>\n
y1 = [0, 1, 4, 9, 16, 25]<\/p>\n
y2 = [0, 1, 2, 3, 4, 5]<\/p>\n
\u7ed8\u5236\u4e0d\u540c\u7c7b\u578b\u7684\u865a\u7ebf<\/strong><\/h2>\n
plt.plot(x, y1, linestyle='--', color='blue', label='\u77ed\u5212\u7ebf')<\/p>\n
plt.plot(x, y2, linestyle='-.', color='red', label='\u70b9\u5212\u7ebf')<\/p>\n
\u6dfb\u52a0\u6807\u9898\u548c\u6807\u7b7e<\/strong><\/h2>\n
plt.title('\u865a\u7ebf\u793a\u4f8b')<\/p>\n
plt.xlabel('X\u8f74')<\/p>\n
plt.ylabel('Y\u8f74')<\/p>\n
\u6dfb\u52a0\u56fe\u4f8b<\/strong><\/h2>\n
plt.legend()<\/p>\n
\u663e\u793a\u56fe\u8868<\/strong><\/h2>\n
plt.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u7ed8\u5236\u4e86\u4e24\u6761\u4e0d\u540c\u7c7b\u578b\u7684\u865a\u7ebf\uff0c\u5e76\u901a\u8fc7label<\/code>\u53c2\u6570\u6dfb\u52a0\u4e86\u56fe\u4f8b\u4ee5\u4fbf\u4e8e\u533a\u5206\u3002<\/p>\n<\/p>\n
2\u3001\u81ea\u5b9a\u4e49\u865a\u7ebf\u6837\u5f0f<\/h4>\n<\/p>\n
\u9664\u4e86\u9884\u5b9a\u4e49\u7684\u865a\u7ebf\u6837\u5f0f\uff0cMatplotlib\u8fd8\u5141\u8bb8\u7528\u6237\u81ea\u5b9a\u4e49\u865a\u7ebf\u7684\u6837\u5f0f\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f20\u9012\u4e00\u4e2a\u7531\u7ebf\u6bb5\u957f\u5ea6\u548c\u95f4\u9694\u957f\u5ea6\u7ec4\u6210\u7684\u5217\u8868\u6765\u5b9a\u4e49\u81ea\u5b9a\u4e49\u7684\u865a\u7ebf\u6837\u5f0f\u3002<\/p>\n<\/p>\n
import matplotlib.pyplot as plt<\/p>\n
\u521b\u5efa\u6570\u636e<\/strong><\/h2>\n
x = [0, 1, 2, 3, 4, 5]<\/p>\n
y = [0, 1, 4, 9, 16, 25]<\/p>\n
\u81ea\u5b9a\u4e49\u865a\u7ebf\u6837\u5f0f<\/strong><\/h2>\n
custom_linestyle = (0, (5, 10))  # (0, (5, 10))\u8868\u793a\u7ebf\u6bb5\u957f\u5ea6\u4e3a5\uff0c\u95f4\u9694\u957f\u5ea6\u4e3a10<\/p>\n
\u7ed8\u5236\u81ea\u5b9a\u4e49\u865a\u7ebf<\/strong><\/h2>\n
plt.plot(x, y, linestyle=custom_linestyle, color='green', label='\u81ea\u5b9a\u4e49\u865a\u7ebf')<\/p>\n
\u6dfb\u52a0\u6807\u9898\u548c\u6807\u7b7e<\/strong><\/h2>\n
plt.title('\u81ea\u5b9a\u4e49\u865a\u7ebf\u793a\u4f8b')<\/p>\n
plt.xlabel('X\u8f74')<\/p>\n
plt.ylabel('Y\u8f74')<\/p>\n
\u6dfb\u52a0\u56fe\u4f8b<\/strong><\/h2>\n
plt.legend()<\/p>\n
\u663e\u793a\u56fe\u8868<\/strong><\/h2>\n
plt.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c(0, (5, 10))<\/code>\u8868\u793a\u7ebf\u6bb5\u957f\u5ea6\u4e3a5\uff0c\u95f4\u9694\u957f\u5ea6\u4e3a10\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5730\u5b9a\u4e49\u6240\u9700\u7684\u865a\u7ebf\u6837\u5f0f\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528Pygame\u7684draw.line\u51fd\u6570<\/h3>\n<\/p>\n
Pygame\u662f\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684Python\u5e93\uff0c\u7528\u4e8e\u7f16\u5199\u89c6\u9891\u6e38\u620f\u3002\u5b83\u5305\u62ec\u8ba1\u7b97\u673a\u56fe\u5f62\u548c\u58f0\u97f3\u5e93\u3002\u5728Pygame\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528pygame.draw.line<\/code>\u51fd\u6570\u6765\u7ed8\u5236\u865a\u7ebf\u3002\u867d\u7136Pygame\u4e2d\u6ca1\u6709\u76f4\u63a5\u7684\u865a\u7ebf\u7ed8\u5236\u51fd\u6570\uff0c\u4f46\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u7ed8\u5236\u77ed\u7ebf\u6bb5\u6765\u5b9e\u73b0\u865a\u7ebf\u6548\u679c\u3002<\/p>\n<\/p>\n
1\u3001\u57fa\u7840\u865a\u7ebf\u7ed8\u5236<\/h4>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521d\u59cb\u5316Pygame\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a\u7a97\u53e3\u3002\u7136\u540e\uff0c\u901a\u8fc7\u5faa\u73af\u7ed8\u5236\u77ed\u7ebf\u6bb5\u6765\u6a21\u62df\u865a\u7ebf\u6548\u679c\u3002<\/p>\n<\/p>\n
import pygame<\/p>\n
import sys<\/p>\n
\u521d\u59cb\u5316Pygame<\/strong><\/h2>\n
pygame.init()<\/p>\n
\u8bbe\u7f6e\u7a97\u53e3\u5927\u5c0f<\/strong><\/h2>\n
window_size = (600, 400)<\/p>\n
screen = pygame.display.set_mode(window_size)<\/p>\n
pygame.display.set_caption("Pygame\u865a\u7ebf\u793a\u4f8b")<\/p>\n
\u8bbe\u7f6e\u989c\u8272<\/strong><\/h2>\n
white = (255, 255, 255)<\/p>\n
blue = (0, 0, 255)<\/p>\n
\u8bbe\u7f6e\u865a\u7ebf\u53c2\u6570<\/strong><\/h2>\n
start_pos = (100, 200)<\/p>\n
end_pos = (500, 200)<\/p>\n
dash_length = 10<\/p>\n
\u4e3b\u5faa\u73af<\/strong><\/h2>\n
running = True<\/p>\n
while running:<\/p>\n
    for event in pygame.event.get():<\/p>\n
        if event.type == pygame.QUIT:<\/p>\n
            running = False<\/p>\n
    # \u586b\u5145\u80cc\u666f<\/p>\n
    screen.fill(white)<\/p>\n
    # \u7ed8\u5236\u865a\u7ebf<\/p>\n
    x1, y1 = start_pos<\/p>\n
    x2, y2 = end_pos<\/p>\n
    dx = x2 - x1<\/p>\n
    dy = y2 - y1<\/p>\n
    length = (dx <strong> 2 + dy <\/strong> 2)  0.5<\/p>\n
    dash_count = int(length \/ dash_length)<\/p>\n
    for i in range(dash_count):<\/p>\n
        start = (x1 + (dx * i \/ dash_count), y1 + (dy * i \/ dash_count))<\/p>\n
        end = (x1 + (dx * (i + 0.5) \/ dash_count), y1 + (dy * (i + 0.5) \/ dash_count))<\/p>\n
        pygame.draw.line(screen, blue, start, end, 2)<\/p>\n
    # \u66f4\u65b0\u663e\u793a<\/p>\n
    pygame.display.flip()<\/p>\n
\u9000\u51faPygame<\/strong><\/h2>\n
pygame.quit()<\/p>\n
sys.exit()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u8ba1\u7b97\u7ebf\u6bb5\u7684\u603b\u957f\u5ea6\u548c\u77ed\u7ebf\u6bb5\u7684\u4e2a\u6570\uff0c\u5e76\u4f7f\u7528pygame.draw.line<\/code>\u51fd\u6570\u7ed8\u5236\u77ed\u7ebf\u6bb5\uff0c\u4ece\u800c\u5b9e\u73b0\u865a\u7ebf\u6548\u679c\u3002<\/p>\n<\/p>\n
2\u3001\u7ed8\u5236\u591a\u6761\u865a\u7ebf<\/h4>\n<\/p>\n
\u4e3a\u4e86\u7ed8\u5236\u591a\u6761\u865a\u7ebf\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u7ed8\u5236\u865a\u7ebf\u7684\u51fd\u6570\uff0c\u5e76\u5728\u4e3b\u5faa\u73af\u4e2d\u8c03\u7528\u8be5\u51fd\u6570\u3002<\/p>\n<\/p>\n
import pygame<\/p>\n
import sys<\/p>\n
\u521d\u59cb\u5316Pygame<\/strong><\/h2>\n
pygame.init()<\/p>\n
\u8bbe\u7f6e\u7a97\u53e3\u5927\u5c0f<\/strong><\/h2>\n
window_size = (600, 400)<\/p>\n
screen = pygame.display.set_mode(window_size)<\/p>\n
pygame.display.set_caption("Pygame\u865a\u7ebf\u793a\u4f8b")<\/p>\n
\u8bbe\u7f6e\u989c\u8272<\/strong><\/h2>\n
white = (255, 255, 255)<\/p>\n
blue = (0, 0, 255)<\/p>\n
red = (255, 0, 0)<\/p>\n
\u8bbe\u7f6e\u865a\u7ebf\u53c2\u6570<\/strong><\/h2>\n
dash_length = 10<\/p>\n
def draw_dashed_line(surface, color, start_pos, end_pos, width=1, dash_length=10):<\/p>\n
    x1, y1 = start_pos<\/p>\n
    x2, y2 = end_pos<\/p>\n
    dx = x2 - x1<\/p>\n
    dy = y2 - y1<\/p>\n
    length = (dx <strong> 2 + dy <\/strong> 2)  0.5<\/p>\n
    dash_count = int(length \/ dash_length)<\/p>\n
    for i in range(dash_count):<\/p>\n
        start = (x1 + (dx * i \/ dash_count), y1 + (dy * i \/ dash_count))<\/p>\n
        end = (x1 + (dx * (i + 0.5) \/ dash_count), y1 + (dy * (i + 0.5) \/ dash_count))<\/p>\n
        pygame.draw.line(surface, color, start, end, width)<\/p>\n
\u4e3b\u5faa\u73af<\/strong><\/h2>\n
running = True<\/p>\n
while running:<\/p>\n
    for event in pygame.event.get():<\/p>\n
        if event.type == pygame.QUIT:<\/p>\n
            running = False<\/p>\n
    # \u586b\u5145\u80cc\u666f<\/p>\n
    screen.fill(white)<\/p>\n
    # \u7ed8\u5236\u865a\u7ebf<\/p>\n
    draw_dashed_line(screen, blue, (100, 100), (500, 100), 2, dash_length)<\/p>\n
    draw_dashed_line(screen, red, (100, 300), (500, 300), 2, dash_length)<\/p>\n
    # \u66f4\u65b0\u663e\u793a<\/p>\n
    pygame.display.flip()<\/p>\n
\u9000\u51faPygame<\/strong><\/h2>\n
pygame.quit()<\/p>\n
sys.exit()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3adraw_dashed_line<\/code>\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u7ed8\u5236\u865a\u7ebf\u3002\u901a\u8fc7\u8c03\u7528\u8be5\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5c4f\u5e55\u4e0a\u7ed8\u5236\u591a\u6761\u865a\u7ebf\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5728\u7ec8\u7aef\u8f93\u51fa\u865a\u7ebf<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5728\u7ec8\u7aef\u4e2d\u8f93\u51fa\u865a\u7ebf\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
1\u3001\u8f93\u51fa\u57fa\u672c\u865a\u7ebf<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Python\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\u6765\u8f93\u51fa\u57fa\u672c\u7684\u865a\u7ebf\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u91cd\u590d\u8f93\u51fa\u77ed\u5212\u7ebf\u548c\u7a7a\u683c\u6765\u6a21\u62df\u865a\u7ebf\u6548\u679c\u3002<\/p>\n<\/p>\n
def print_dashed_line(length, dash_length=3):<\/p>\n
    for i in range(length):<\/p>\n
        if i % dash_length == 0:<\/p>\n
            print('-', end='')<\/p>\n
        else:<\/p>\n
            print(' ', end='')<\/p>\n
    print()<\/p>\n
\u8f93\u51fa\u865a\u7ebf<\/strong><\/h2>\n
print_dashed_line(50)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0cprint_dashed_line<\/code>\u51fd\u6570\u901a\u8fc7\u5faa\u73af\u548c\u5b57\u7b26\u4e32\u64cd\u4f5c\u6765\u8f93\u51fa\u865a\u7ebf\u3002\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574\u865a\u7ebf\u7684\u957f\u5ea6\u548c\u77ed\u5212\u7ebf\u7684\u957f\u5ea6\u3002<\/p>\n<\/p>\n
2\u3001\u8f93\u51fa\u591a\u6761\u865a\u7ebf<\/h4>\n<\/p>\n
\u4e3a\u4e86\u8f93\u51fa\u591a\u6761\u865a\u7ebf\uff0c\u6211\u4eec\u53ef\u4ee5\u8c03\u7528print_dashed_line<\/code>\u51fd\u6570\u591a\u6b21\u3002<\/p>\n<\/p>\n
def print_dashed_line(length, dash_length=3):<\/p>\n
    for i in range(length):<\/p>\n
        if i % dash_length == 0:<\/p>\n
            print('-', end='')<\/p>\n
        else:<\/p>\n
            print(' ', end='')<\/p>\n
    print()<\/p>\n
\u8f93\u51fa\u591a\u6761\u865a\u7ebf<\/strong><\/h2>\n
for _ in range(5):<\/p>\n
    print_dashed_line(50)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u5faa\u73af\u8c03\u7528print_dashed_line<\/code>\u51fd\u6570\uff0c\u8f93\u51fa\u4e86\u591a\u6761\u865a\u7ebf\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5176\u4ed6\u7ed8\u56fe\u5e93<\/h3>\n<\/p>\n
\u9664\u4e86Matplotlib\u548cPygame\uff0cPython\u4e2d\u8fd8\u6709\u8bb8\u591a\u5176\u4ed6\u7ed8\u56fe\u5e93\u53ef\u4ee5\u7528\u4e8e\u7ed8\u5236\u865a\u7ebf\u3002\u4f8b\u5982\uff0c\u4f7f\u7528Turtle\u5e93\u548cPIL\uff08Python Imaging Library\uff09\u5e93\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\u3002<\/p>\n<\/p>\n
1\u3001\u4f7f\u7528Turtle\u5e93<\/h4>\n<\/p>\n
Turtle\u662fPython\u5185\u7f6e\u7684\u7ed8\u56fe\u5e93\uff0c\u9002\u5408\u4e8e\u7b80\u5355\u7684\u56fe\u5f62\u7ed8\u5236\u548c\u6559\u5b66\u76ee\u7684\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Turtle\u5e93\u7684penup<\/code>\u548cpendown<\/code>\u65b9\u6cd5\u6765\u7ed8\u5236\u865a\u7ebf\u3002<\/p>\n<\/p>\n
import turtle<\/p>\n
\u8bbe\u7f6e\u7a97\u53e3<\/strong><\/h2>\n
window = turtle.Screen()<\/p>\n
window.title("Turtle\u865a\u7ebf\u793a\u4f8b")<\/p>\n
\u521b\u5efaTurtle\u5bf9\u8c61<\/strong><\/h2>\n
dash_turtle = turtle.Turtle()<\/p>\n
\u8bbe\u7f6e\u865a\u7ebf\u53c2\u6570<\/strong><\/h2>\n
dash_length = 10<\/p>\n
space_length = 5<\/p>\n
\u7ed8\u5236\u865a\u7ebf<\/strong><\/h2>\n
for _ in range(15):<\/p>\n
    dash_turtle.forward(dash_length)<\/p>\n
    dash_turtle.penup()<\/p>\n
    dash_turtle.forward(space_length)<\/p>\n
    dash_turtle.pendown()<\/p>\n
\u4fdd\u6301\u7a97\u53e3\u6253\u5f00<\/strong><\/h2>\n
turtle.done()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7penup<\/code>\u548cpendown<\/code>\u65b9\u6cd5\u63a7\u5236Turtle\u7684\u7ed8\u5236\u72b6\u6001\uff0c\u4ece\u800c\u5b9e\u73b0\u865a\u7ebf\u6548\u679c\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528PIL\u5e93<\/h4>\n<\/p>\n
PIL\uff08Pillow\uff09\u662fPython\u7684\u56fe\u50cf\u5904\u7406\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u8bb8\u591a\u56fe\u50cf\u5904\u7406\u529f\u80fd\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528PIL\u5e93\u6765\u521b\u5efa\u548c\u7ed8\u5236\u865a\u7ebf\u3002<\/p>\n<\/p>\n
from PIL import Image, ImageDraw<\/p>\n
\u521b\u5efa\u56fe\u50cf<\/strong><\/h2>\n
width, height = 600, 400<\/p>\n
image = Image.new('RGB', (width, height), 'white')<\/p>\n
draw = ImageDraw.Draw(image)<\/p>\n
\u8bbe\u7f6e\u865a\u7ebf\u53c2\u6570<\/strong><\/h2>\n
start_pos = (100, 200)<\/p>\n
end_pos = (500, 200)<\/p>\n
dash_length = 10<\/p>\n
\u7ed8\u5236\u865a\u7ebf<\/strong><\/h2>\n
x1, y1 = start_pos<\/p>\n
x2, y2 = end_pos<\/p>\n
dx = x2 - x1<\/p>\n
dy = y2 - y1<\/p>\n
length = (dx <strong> 2 + dy <\/strong> 2)  0.5<\/p>\n
dash_count = int(length \/ dash_length)<\/p>\n
for i in range(dash_count):<\/p>\n
    start = (x1 + (dx * i \/ dash_count), y1 + (dy * i \/ dash_count))<\/p>\n
    end = (x1 + (dx * (i + 0.5) \/ dash_count), y1 + (dy * (i + 0.5) \/ dash_count))<\/p>\n
    draw.line([start, end], fill='blue', width=2)<\/p>\n
\u4fdd\u5b58\u56fe\u50cf<\/strong><\/h2>\n
image.save('dashed_line.png')<\/p>\n
image.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528PIL\u5e93\u521b\u5efa\u4e86\u4e00\u5f20\u56fe\u50cf\uff0c\u5e76\u901a\u8fc7\u5faa\u73af\u7ed8\u5236\u77ed\u7ebf\u6bb5\u6765\u5b9e\u73b0\u865a\u7ebf\u6548\u679c\u3002\u7ed8\u5236\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u5c06\u56fe\u50cf\u4fdd\u5b58\u5e76\u663e\u793a\u51fa\u6765\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5728Python\u4e2d\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8868\u793a\u548c\u7ed8\u5236\u865a\u7ebf\u3002\u5e38\u89c1\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528Matplotlib\u7ed8\u56fe\u5e93\u3001Pygame\u5e93\u4ee5\u53ca\u5728\u7ec8\u7aef\u8f93\u51fa\u865a\u7ebf\u7b49\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u72ec\u7279\u7684\u4f18\u52bf\u548c\u9002\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n
    \n
  1. \u4f7f\u7528Matplotlib\u7684plot\u51fd\u6570<\/strong>\uff1a\u9002\u7528\u4e8e\u9700\u8981\u521b\u5efa\u9759\u6001\u3001\u52a8\u6001\u548c\u4ea4\u4e92\u5f0f\u56fe\u8868\u7684\u573a\u666f\u3002Matplotlib\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7ed8\u56fe\u529f\u80fd\uff0c\u53ef\u4ee5\u8f7b\u677e\u7ed8\u5236\u5404\u79cd\u7c7b\u578b\u7684\u865a\u7ebf\u3002<\/li>\n
  2. \u4f7f\u7528Pygame\u7684draw.line\u51fd\u6570<\/strong>\uff1a\u9002\u7528\u4e8e\u6e38\u620f\u5f00\u53d1\u548c\u5b9e\u65f6\u56fe\u5f62\u7ed8\u5236\u3002\u867d\u7136Pygame\u6ca1\u6709\u76f4\u63a5\u7684\u865a\u7ebf\u7ed8\u5236\u51fd\u6570\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u7ed8\u5236\u77ed\u7ebf\u6bb5\u6765\u5b9e\u73b0\u865a\u7ebf\u6548\u679c\u3002<\/li>\n
  3. \u5728\u7ec8\u7aef\u8f93\u51fa\u865a\u7ebf<\/strong>\uff1a\u9002\u7528\u4e8e\u7b80\u5355\u7684\u6587\u672c\u8f93\u51fa\u573a\u666f\u3002\u53ef\u4ee5\u901a\u8fc7\u5b57\u7b26\u4e32\u64cd\u4f5c\u6765\u5b9e\u73b0\u865a\u7ebf\u8f93\u51fa\u3002<\/li>\n
  4. \u4f7f\u7528\u5176\u4ed6\u7ed8\u56fe\u5e93<\/strong>\uff1a\u4f8b\u5982Turtle\u548cPIL\u5e93\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002Turtle\u9002\u5408\u4e8e\u7b80\u5355\u7684\u56fe\u5f62\u7ed8\u5236\u548c\u6559\u5b66\u76ee\u7684\uff0c\u800cPIL\u9002\u7528\u4e8e\u56fe\u50cf\u5904\u7406\u548c\u7ed8\u5236\u3002<\/li>\n<\/ol>\n
    \u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u548c\u5e94\u7528\u573a\u666f\u6765\u5b9e\u73b0\u865a\u7ebf\u7684\u7ed8\u5236\u3002\u5e0c\u671b\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u638c\u63e1\u5728Python\u4e2d\u8868\u793a\u548c\u7ed8\u5236\u865a\u7ebf\u7684\u5404\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5728Python\u4e2d\uff0c\u5982\u4f55\u7ed8\u5236\u865a\u7ebf\u56fe\u5f62\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Matplotlib\u5e93\u6765\u7ed8\u5236\u865a\u7ebf\u56fe\u5f62\u3002\u901a\u8fc7\u8bbe\u7f6e\u7ebf\u6761\u6837\u5f0f\u4e3a\u865a\u7ebf\uff0c\u5373\u4f7f\u7528\u53c2\u6570linestyle='--'<\/code>\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
    import matplotlib.pyplot as plt\n\nx = [0, 1, 2, 3, 4]\ny = [0, 1, 4, 9, 16]\nplt.plot(x, y, linestyle='--')  # \u8bbe\u7f6e\u865a\u7ebf\u6837\u5f0f\nplt.show()\n<\/code><\/pre>\n
    \u8fd9\u6bb5\u4ee3\u7801\u4f1a\u751f\u6210\u4e00\u4e2a\u5305\u542b\u865a\u7ebf\u7684\u56fe\u5f62\u3002<\/p>\n
    Python\u4e2d\u865a\u7ebf\u7684\u5176\u4ed6\u6837\u5f0f\u6709\u54ea\u4e9b\u9009\u62e9\uff1f<\/strong>
    \u9664\u4e86\u57fa\u672c\u7684\u865a\u7ebf\u6837\u5f0f\uff08'--'<\/code>\uff09\u5916\uff0cMatplotlib\u8fd8\u652f\u6301\u591a\u79cd\u7ebf\u6761\u6837\u5f0f\uff0c\u4f8b\u5982\u70b9\u7ebf\uff08':'<\/code>\uff09\u3001\u5b9e\u7ebf\uff08'-'<\/code>\uff09\u3001\u4ee5\u53ca\u81ea\u5b9a\u4e49\u7ebf\u578b\u3002\u53ef\u4ee5\u901a\u8fc7linestyle<\/code>\u53c2\u6570\u8fdb\u884c\u8bbe\u7f6e\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
    plt.plot(x, y, linestyle=':')  # \u7ed8\u5236\u70b9\u7ebf\n<\/code><\/pre>\n
    \u7528\u6237\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u7ebf\u6761\u6837\u5f0f\u3002<\/p>\n
    \u5982\u4f55\u8c03\u6574\u865a\u7ebf\u7684\u95f4\u8ddd\u548c\u5bbd\u5ea6\uff1f<\/strong>
    \u5728Matplotlib\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7linewidth<\/code>\u53c2\u6570\u8c03\u6574\u865a\u7ebf\u7684\u5bbd\u5ea6\uff0c\u540c\u65f6\u53ef\u4ee5\u4f7f\u7528linestyle<\/code>\u53c2\u6570\u4e2d\u7684\u81ea\u5b9a\u4e49\u8bbe\u7f6e\u6765\u66f4\u6539\u865a\u7ebf\u7684\u95f4\u8ddd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6elinestyle=(0, (1, 1))<\/code>\u6765\u5b9a\u4e49\u865a\u7ebf\u7684\u6837\u5f0f\u3002\u4ee5\u4e0b\u662f\u76f8\u5173\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
    plt.plot(x, y, linestyle=(0, (1, 1)), linewidth=2)  # \u81ea\u5b9a\u4e49\u865a\u7ebf\u6837\u5f0f\u4e0e\u5bbd\u5ea6\n<\/code><\/pre>\n
    \u8fd9\u6837\u5c31\u80fd\u5b9e\u73b0\u66f4\u7075\u6d3b\u7684\u865a\u7ebf\u6837\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u865a\u7ebf\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8868\u793a\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684\u5e93\u6216\u5de5\u5177\u3002\u5e38\u89c1\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528Matplotlib\u7ed8 […]","protected":false},"author":3,"featured_media":1181959,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1181952"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1181952"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1181952\/revisions"}],"predecessor-version":[{"id":1181960,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1181952\/revisions\/1181960"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1181959"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1181952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1181952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1181952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}