python3環境搭建及繪圖
“ python3來了,您準備好了嗎?”
01
—
安裝python3
https://www.python.org/downloads/
選擇python3.7版本
雙擊安裝
安裝成功後配置python的環境變數
新建系統變數PATH_HOME,變數值配置為python.exe所在路徑,配置完成後再Path末尾新增;%PYTHON_HOME%;%PYTHON_HOME%\Scripts
開啟cmd命令列,輸入python --version檢視
證明python已經安裝成功了
02
—
安裝開發ide
這裡推薦pycharm作為開發ide,下載地址:http://www.jetbrains.com/pycharm/download/#section=windows
安裝完成後,新建python工程
建立完python工程後,來實現第一個python程式 hello testerbang
例項:
檢視執行結果,右鍵選擇Run "hello_testerbang"
驗證結果:
3、practise:用python3自帶的turtle類庫畫測試邦標誌
例項程式碼:
import turtle
"""
使用python3的turtle庫繪製testerbang標誌
"""
turtle.color('#05CDFF')
turtle.pensize(20)
turtle.circle(100)
turtle.penup()
turtle.goto(-60, 150)
turtle.pendown()
turtle.begin_fill()
turtle.fillcolor('#05CDFF')
for i in range(1, 5):
if i % 2 == 1:
n = 120
elif i % 2 == 0:
n = 30
turtle.forward(n)
turtle.right(90)
turtle.end_fill()
turtle.penup()
turtle.goto(-15, 130)
turtle.pendown()
turtle.begin_fill()
turtle.fillcolor('#05CDFF')
for i in range(1, 5):
if i % 2 == 1:
n = 30
elif i % 2 == 0:
n = 100
turtle.forward(n)
turtle.right(90)
turtle.end_fill()
turtle.penup()
turtle.goto(-30, 125)
turtle.pendown()
turtle.begin_fill()
turtle.fillcolor('#FFFFFF')
turtle.pensize(1)
turtle.circle(10)
turtle.end_fill()
turtle.penup()
turtle.goto(30, 125)
turtle.pendown()
turtle.begin_fill()
turtle.fillcolor('#FFFFFF')
turtle.pensize(1)
turtle.circle(10)
turtle.end_fill()
t= turtle.Turtle()
t.penup()
t.goto(-50, -55)
t.pendown()
t.write("測試幫", font=("微軟雅黑", 28, "normal")) #fonttype有normal, bold, italic, underline
t.penup()
t.goto(-90, -85)
t.pendown()
t.write("專注測試技術推廣落地", font=("Arial", 14, "bold")) #fonttype可以自由組合,如"bold italic"
turtle.done()
執行結果: