{"id":1031690,"date":"2024-12-31T11:27:32","date_gmt":"2024-12-31T03:27:32","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1031690.html"},"modified":"2024-12-31T11:27:34","modified_gmt":"2024-12-31T03:27:34","slug":"python-%e5%a6%82%e4%bd%95%e5%87%ba%e7%8e%b0%e4%ba%94%e8%a7%92%e6%98%9f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1031690.html","title":{"rendered":"python \u5982\u4f55\u51fa\u73b0\u4e94\u89d2\u661f"},"content":{"rendered":"

\"python<\/p>\n

\u5728Python\u4e2d\u7ed8\u5236\u4e94\u89d2\u661f\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528turtle\u5e93\u3001\u4f7f\u7528matplotlib\u5e93\u3001\u4f7f\u7528PIL\u5e93\u3002<\/strong>\u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u4f18\u52a3\uff0c\u672c\u6587\u5c06\u8be6\u7ec6\u8bb2\u89e3\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u5e93\u7ed8\u5236\u4e94\u89d2\u661f\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528turtle\u5e93\u7ed8\u5236\u4e94\u89d2\u661f<\/h3>\n<\/p>\n

turtle\u5e93\u662fPython\u5185\u7f6e\u7684\u4e00\u4e2a\u7ed8\u56fe\u5de5\u5177\uff0c\u7279\u522b\u9002\u5408\u7ed8\u5236\u7b80\u5355\u7684\u56fe\u5f62\uff0c\u4f8b\u5982\u4e94\u89d2\u661f\u3002turtle\u5e93\u7b80\u5355\u6613\u7528\u3001\u9002\u5408\u521d\u5b66\u8005<\/strong>\u3002<\/p>\n<\/p>\n

import turtle<\/p>\n
def draw_star(size):<\/p>\n
    for _ in range(5):<\/p>\n
        turtle.forward(size)<\/p>\n
        turtle.right(144)<\/p>\n
turtle.speed(3)  # \u8bbe\u7f6e\u753b\u7b14\u901f\u5ea6<\/p>\n
turtle.penup()   # \u63d0\u8d77\u753b\u7b14\uff0c\u79fb\u52a8\u5230\u8d77\u59cb\u4f4d\u7f6e<\/p>\n
turtle.goto(-50, 50)<\/p>\n
turtle.pendown() # \u653e\u4e0b\u753b\u7b14\uff0c\u5f00\u59cb\u7ed8\u5236<\/p>\n
draw_star(100)   # \u7ed8\u5236\u4e94\u89d2\u661f<\/p>\n
turtle.done()    # \u5b8c\u6210\u7ed8\u5236<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2adraw_star<\/code>\u51fd\u6570\uff0c\u4f7f\u7528\u4e00\u4e2afor\u5faa\u73af\u6765\u7ed8\u5236\u4e94\u89d2\u661f\u7684\u6bcf\u4e00\u6761\u8fb9\u3002\u901a\u8fc7\u8c03\u6574turtle.forward<\/code>\u548cturtle.right<\/code>\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u63a7\u5236\u4e94\u89d2\u661f\u7684\u5927\u5c0f\u548c\u89d2\u5ea6\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528matplotlib\u5e93\u7ed8\u5236\u4e94\u89d2\u661f<\/h3>\n<\/p>\n
matplotlib\u5e93\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u7ed8\u56fe\u5de5\u5177\uff0c\u9002\u5408\u7ed8\u5236\u590d\u6742\u7684\u56fe\u5f62\u3002matplotlib\u5e93\u529f\u80fd\u5f3a\u5927\u3001\u9002\u5408\u6570\u636e\u53ef\u89c6\u5316<\/strong>\u3002<\/p>\n<\/p>\n
import matplotlib.pyplot as plt<\/p>\n
import numpy as np<\/p>\n
def draw_star(size):<\/p>\n
    angles = np.linspace(0, 2 * np.pi, 6)<\/p>\n
    points = [(np.cos(a), np.sin(a)) for a in angles]<\/p>\n
    star_points = []<\/p>\n
    for i in range(5):<\/p>\n
        star_points.append(points[i % 5])<\/p>\n
        star_points.append(points[(i + 2) % 5])<\/p>\n
    star_points.append(star_points[0])<\/p>\n
    star_points = np.array(star_points)<\/p>\n
    plt.plot(star_points[:, 0], star_points[:, 1], 'b-')<\/p>\n
    plt.axis('equal')<\/p>\n
    plt.show()<\/p>\n
draw_star(100)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528numpy\u5e93\u751f\u6210\u4e94\u89d2\u661f\u7684\u9876\u70b9\uff0c\u5e76\u4f7f\u7528matplotlib\u5e93\u7ed8\u5236\u8fd9\u4e9b\u70b9\u3002\u901a\u8fc7\u8c03\u6574np.linspace<\/code>\u548cnp.cos<\/code>\u3001np.sin<\/code>\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u63a7\u5236\u4e94\u89d2\u661f\u7684\u5927\u5c0f\u548c\u89d2\u5ea6\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528PIL\u5e93\u7ed8\u5236\u4e94\u89d2\u661f<\/h3>\n<\/p>\n
PIL\u5e93\uff08Pillow\uff09\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u56fe\u50cf\u5904\u7406\u5e93\uff0c\u53ef\u4ee5\u7528\u4e8e\u7ed8\u5236\u548c\u7f16\u8f91\u56fe\u50cf\u3002PIL\u5e93\u7075\u6d3b\u3001\u9002\u5408\u56fe\u50cf\u5904\u7406<\/strong>\u3002<\/p>\n<\/p>\n
from PIL import Image, ImageDraw<\/p>\n
def draw_star(size):<\/p>\n
    image = Image.new('RGB', (size, size), 'white')<\/p>\n
    draw = ImageDraw.Draw(image)<\/p>\n
    angles = np.linspace(0, 2 * np.pi, 6)<\/p>\n
    points = [(size \/ 2 + size \/ 2 * np.cos(a), size \/ 2 - size \/ 2 * np.sin(a)) for a in angles]<\/p>\n
    star_points = []<\/p>\n
    for i in range(5):<\/p>\n
        star_points.append(points[i % 5])<\/p>\n
        star_points.append(points[(i + 2) % 5])<\/p>\n
    draw.polygon(star_points, outline='blue')<\/p>\n
    image.show()<\/p>\n
draw_star(200)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528PIL\u5e93\u521b\u5efa\u4e00\u4e2a\u65b0\u56fe\u50cf\uff0c\u5e76\u4f7f\u7528ImageDraw<\/code>\u5bf9\u8c61\u7ed8\u5236\u4e94\u89d2\u661f\u3002\u901a\u8fc7\u8c03\u6574Image.new<\/code>\u548cdraw.polygon<\/code>\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u63a7\u5236\u4e94\u89d2\u661f\u7684\u5927\u5c0f\u548c\u989c\u8272\u3002<\/p>\n<\/p>\n
\u7ed3\u8bba<\/h3>\n<\/p>\n
\u5728Python\u4e2d\u7ed8\u5236\u4e94\u89d2\u661f\u6709\u591a\u79cd\u65b9\u6cd5\uff0cturtle\u5e93\u7b80\u5355\u6613\u7528\uff0c\u9002\u5408\u521d\u5b66\u8005<\/strong>\uff1bmatplotlib\u5e93\u529f\u80fd\u5f3a\u5927\uff0c\u9002\u5408\u6570\u636e\u53ef\u89c6\u5316<\/strong>\uff1bPIL\u5e93\u7075\u6d3b\uff0c\u9002\u5408\u56fe\u50cf\u5904\u7406<\/strong>\u3002\u6839\u636e\u4e0d\u540c\u7684\u9700\u6c42\uff0c\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u7684\u65b9\u6cd5\u6765\u7ed8\u5236\u4e94\u89d2\u661f\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u4f18\u7f3a\u70b9\uff0c\u9009\u62e9\u9002\u5408\u81ea\u5df1\u7684\u65b9\u6cd5\u662f\u6700\u91cd\u8981\u7684\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u7ed8\u5236\u4e94\u89d2\u661f\uff1f<\/strong>
\u5728Python\u4e2d\u7ed8\u5236\u4e94\u89d2\u661f\u53ef\u4ee5\u4f7f\u7528\u56fe\u5f62\u5e93\uff0c\u5982Turtle\u6216Matplotlib\u3002\u4f7f\u7528Turtle\u5e93\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u547d\u4ee4\u7ed8\u5236\u4e94\u89d2\u661f\uff0c\u4f8b\u5982\u8bbe\u7f6e\u89d2\u5ea6\u548c\u957f\u5ea6\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u521b\u5efa\u4e00\u4e2a\u4e94\u89d2\u661f\uff1a<\/p>\n
import turtle\n\nt = turtle.Turtle()\nfor _ in range(5):\n    t.forward(100)  # \u5411\u524d\u79fb\u52a8100\u4e2a\u5355\u4f4d\n    t.right(144)    # \u53f3\u8f6c144\u5ea6\nturtle.done()\n<\/code><\/pre>\n
\u8fd0\u884c\u8fd9\u6bb5\u4ee3\u7801\u540e\uff0c\u5c4f\u5e55\u4e0a\u5c06\u4f1a\u51fa\u73b0\u4e00\u4e2a\u4e94\u89d2\u661f\u3002<\/p>\n
\u5728Python\u4e2d\u5b9e\u73b0\u4e94\u89d2\u661f\u7684\u52a8\u753b\u6548\u679c\u53ef\u80fd\u5417\uff1f<\/strong>
\u5f53\u7136\u53ef\u4ee5\uff01\u901a\u8fc7Turtle\u5e93\uff0c\u4f60\u53ef\u4ee5\u7ed9\u4e94\u89d2\u661f\u6dfb\u52a0\u52a8\u753b\u6548\u679c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728\u7ed8\u5236\u4e94\u89d2\u661f\u7684\u8fc7\u7a0b\u4e2d\u6539\u53d8\u989c\u8272\u6216\u7ed8\u5236\u901f\u5ea6\uff0c\u4f7f\u5f97\u6548\u679c\u66f4\u52a0\u751f\u52a8\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528t.color()<\/code>\u548ct.speed()<\/code>\u51fd\u6570\u6765\u5b9e\u73b0\u8fd9\u4e9b\u6548\u679c\uff0c\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n
import turtle\n\nt = turtle.Turtle()\nt.speed(1)  # \u8bbe\u7f6e\u7ed8\u5236\u901f\u5ea6\nt.color("blue")  # \u8bbe\u7f6e\u989c\u8272\nfor _ in range(5):\n    t.forward(100)\n    t.right(144)\nturtle.done()\n<\/code><\/pre>\n
\u901a\u8fc7\u8c03\u6574\u901f\u5ea6\u548c\u989c\u8272\uff0c\u53ef\u4ee5\u521b\u5efa\u51fa\u4e0d\u540c\u7684\u89c6\u89c9\u6548\u679c\u3002<\/p>\n
\u5982\u4f55\u4f7f\u7528Matplotlib\u7ed8\u5236\u4e94\u89d2\u661f\uff1f<\/strong>
Matplotlib\u4e5f\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u7ed8\u56fe\u5e93\uff0c\u53ef\u4ee5\u7528\u4e8e\u7ed8\u5236\u4e94\u89d2\u661f\u3002\u5229\u7528\u591a\u8fb9\u5f62\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u4e94\u89d2\u661f\u7684\u9876\u70b9\u5750\u6807\u6765\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
import matplotlib.pyplot as plt\nimport numpy as np\n\n# \u5b9a\u4e49\u4e94\u89d2\u661f\u7684\u5750\u6807\nangles = np.linspace(0, 2 * np.pi, 6)[:-1]  # \u751f\u6210\u4e94\u4e2a\u89d2\nradii = [1, 0.4, 1, 0.4, 1]  # \u5b9a\u4e49\u6bcf\u4e2a\u9876\u70b9\u7684\u534a\u5f84\n\nx = np.concatenate([radii * np.cos(angles)])\ny = np.concatenate([radii * np.sin(angles)])\n\nplt.fill(x, y, 'b')  # \u586b\u5145\u989c\u8272\u4e3a\u84dd\u8272\nplt.axis('equal')\nplt.show()\n<\/code><\/pre>\n
\u8fd0\u884c\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u5728Matplotlib\u56fe\u5f62\u7a97\u53e3\u4e2d\u663e\u793a\u4e00\u4e2a\u4e94\u89d2\u661f\u3002\u901a\u8fc7\u8c03\u6574\u5750\u6807\u6216\u586b\u5145\u989c\u8272\uff0c\u53ef\u4ee5\u521b\u5efa\u4e0d\u540c\u98ce\u683c\u7684\u4e94\u89d2\u661f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u7ed8\u5236\u4e94\u89d2\u661f\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528turtle\u5e93\u3001\u4f7f\u7528matplotlib\u5e93\u3001\u4f7f\u7528PIL\u5e93\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5404 […]","protected":false},"author":3,"featured_media":1031702,"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\/1031690"}],"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=1031690"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1031690\/revisions"}],"predecessor-version":[{"id":1031703,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1031690\/revisions\/1031703"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1031702"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1031690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1031690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1031690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}