281 lines
10 KiB
Python
281 lines
10 KiB
Python
# ==============================================================================
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# 通过 D:\文档\电子文档\个人\脚本库\PythonScript\第4章.py + 题号 运行
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# 程序名：
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# 第4章习题
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# 目的:
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#
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# 修订记录:
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# 日期 编程者 改动描述
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# =================== ============= =====================================
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# 2021-07-21 17:28:01 Sola 4-a 计算终值的例题
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# 2021-07-21 17:28:24 Sola 4-b 通过获取三个点绘制三角形的例题
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# 2021-07-21 21:53:31 Sola 4-c 击键输入
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# 2021-07-21 21:53:54 Sola 4-d 点击移动圆形
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# 2021-07-21 21:54:11 Sola 4-1 点击生成正方形
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# 2021-07-21 21:54:27 Sola 4-2 生成靶标
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# 2021-07-21 22:05:13 Sola 4-3 绘制某种面孔。。。
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# 2021-07-21 22:08:23 Sola 4-4 ~ 4-5 略
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# 2021-07-21 22:08:35 Sola 4-6 通过Entry输入求终值
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# 2021-07-22 00:46:54 Sola 4-7 圆的交点
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# 2021-07-22 01:16:26 Sola 4-8 绘制线段并显示相关信息
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# 2021-07-22 01:29:07 Sola 4-9 绘制矩形并显示相关信息
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# 2021-07-22 01:33:57 Sola 4-10 绘制三角形并显示相关信息
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# 2021-07-22 01:59:03 Sola 4-11 绘制小房子
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#
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# module start
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from typing import Sequence
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from graphics import *
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def test4_a():
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# Introduction
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print("This program plots the growth of a 10-year investment.")
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# Get principal and interest rate
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principal = float(input("Enter the initial principal: "))
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apr = float(input("Enter the annualized interest rate: "))
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# Create a graphics window with labels on left edge
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win = GraphWin("Investment Growth Chart", 320, 240)
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win.setBackground("white")
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Text(Point(20, 230), ' 0.0K').draw(win)
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Text(Point(20, 180), ' 2.5K').draw(win)
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Text(Point(20, 130), ' 5.0K').draw(win)
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Text(Point(20, 80), ' 7.5K').draw(win)
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Text(Point(20, 30), '10.0K').draw(win)
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# Draw bar for initial principal
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height = principal * 0.02
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bar = Rectangle(Point(40, 230), Point(65, 230-height))
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bar.setFill("green")
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bar.setWidth(2)
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bar.draw(win)
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# Draw bars for successive years
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for year in range(1,11):
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# calculate value for the next year
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principal = principal * (1 + apr)
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# draw bar for this value
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xll = year * 25 + 40
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height = principal * 0.02
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bar = Rectangle(Point(xll, 230), Point(xll+25, 230-height)) # 创建柱体
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bar.setFill("green") # 设置填充色
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bar.setWidth(2) # 设置轮廓宽度
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bar.draw(win) # 绘制
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input("Press <Enter> to quit")
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win.close()
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def test4_b():
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win = GraphWin("Draw a Triangle")
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win.setCoords(0.0, 0.0, 10.0, 10.0)
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message = Text(Point(5, 0.5), "Click on three points")
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message.draw(win)
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# Get and draw three vertices of triangle
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p1 = win.getMouse()
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p1.draw(win)
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p2 = win.getMouse()
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p2.draw(win)
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p3 = win.getMouse()
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p3.draw(win)
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# Use Polygon object to draw the triangle
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triangle = Polygon(p1,p2,p3)
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triangle.setFill("peachpuff")
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triangle.setOutline("cyan")
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triangle.draw(win)
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# Wait for another click to exit
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message.setText("Click anywhere to quit.")
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win.getMouse()
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def test4_c():
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win = GraphWin("Click and Type", 400, 400)
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for i in range(10):
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pt = win.getMouse()
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key = win.getKey()
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label = Text(pt, key)
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label.draw(win)
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def test4_d():
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win = GraphWin()
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shape = Circle(Point(50, 50), 20)
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shape.setOutline("red")
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shape.setFill("red")
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shape.draw(win)
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for i in range(10):
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p = win.getMouse()
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c = shape.getCenter()
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dx = p.getX() - c.getX()
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dy = p.getY() - c.getY()
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shape.move(dx,dy)
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win.close()
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def test4_1():
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win = GraphWin()
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shape = Rectangle(Point(50, 50), Point(70, 70))
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shape.setOutline("red")
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shape.setFill("red")
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shape.draw(win)
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for i in range(10):
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p = win.getMouse()
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c = shape.getCenter()
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dx = p.getX() - c.getX()
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dy = p.getY() - c.getY()
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shape.clone().draw(win)
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shape.move(dx,dy)
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Text(Point(100, 180), "Click again to quit").draw(win)
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win.getMouse()
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win.close()
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def test4_2():
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win = GraphWin()
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def draw_circle(r, s_fill):
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shape = Circle(Point(100, 90), r)
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shape.setFill(s_fill)
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shape.setOutline("black")
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shape.clone().draw(win)
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draw_circle(75, "white")
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draw_circle(60, "black")
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draw_circle(45, "blue")
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draw_circle(30, "red")
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draw_circle(15, "yellow")
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Text(Point(100, 180), "Click again to quit").draw(win)
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win.getMouse()
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win.close()
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def test4_3():
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win = GraphWin()
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Text(Point(100, 90), "某种面孔").draw(win)
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Text(Point(100, 180), "Click again to quit").draw(win)
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win.getMouse()
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win.close()
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def test4_6():
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win = GraphWin("Input menu", 400, 130)
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Text(Point(200, 10), "This program plots the growth of a 10-year investment.").draw(win)
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Text(Point(200, 30), "Enter the initial principal:").draw(win)
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Text(Point(200, 70), "Enter the annualized interest rate:").draw(win)
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apr_entry = Entry(Point(200, 90), 10)
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apr_entry.draw(win)
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principal_entry = Entry(Point(200, 50), 10)
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principal_entry.draw(win)
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Text(Point(200, 115), "Click again to continue").draw(win)
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win.getMouse()
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principal = float(principal_entry.getText())
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apr = float(apr_entry.getText())
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win = GraphWin("Investment Growth Chart", 320, 240)
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win.setBackground("white")
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Text(Point(20, 230), ' 0.0K').draw(win)
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Text(Point(20, 180), ' 2.5K').draw(win)
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Text(Point(20, 130), ' 5.0K').draw(win)
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Text(Point(20, 80), ' 7.5K').draw(win)
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Text(Point(20, 30), '10.0K').draw(win)
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# Draw bar for initial principal
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height = principal * 0.02
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bar = Rectangle(Point(40, 230), Point(65, 230-height))
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bar.setFill("green")
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bar.setWidth(2)
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bar.draw(win)
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# Draw bars for successive years
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for year in range(1,11):
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# calculate value for the next year
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principal = principal * (1 + apr)
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# draw bar for this value
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xll = year * 25 + 40
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height = principal * 0.02
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bar = Rectangle(Point(xll, 230), Point(xll+25, 230-height)) # 创建柱体
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bar.setFill("green") # 设置填充色
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bar.setWidth(2) # 设置轮廓宽度
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bar.draw(win) # 绘制
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win.getMouse()
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def test4_7():
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r = float(input("请输入圆的半径："))
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b = float(input("请属于水平线在y轴方向截距："))
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win = GraphWin()
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win.setCoords(-10, -10, 10, 10)
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Circle(Point(0, 0), r).draw(win)
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Line(Point(-10, b), Point(10, b)).draw(win)
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if abs(b) > r:
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print("没有交点！")
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else:
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x = round((r ** 2 - b ** 2) ** 0.5, 1)
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b = round(b, 1)
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def printPoint(x, b):
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p = Point(x, b)
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p.setFill("red")
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p.clone().draw(win)
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Text(Point(x, b + 1), "(" + str(x) + ", " + str(b) + ")").draw(win)
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printPoint(x, b)
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printPoint(-x, b)
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Text(Point(0, -9), "Click again to quit").draw(win)
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win.getMouse()
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def test4_8():
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win = GraphWin()
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text = Text(Point(100, 190), "请点击两个位置！")
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text.draw(win)
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p1 = win.getMouse()
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p2 = win.getMouse()
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l1 = Line(p1, p2)
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l1.draw(win)
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p3 = l1.getCenter()
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p3.setFill("blue")
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p3.draw
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if (p2.getX() - p1.getX()) == 0:
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slope = "inf"
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else:
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slope = round((p2.getY() - p1.getY()) / (p2.getX() - p1.getX()), 4)
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length = round(((p2.getY() - p1.getY()) ** 2 + (p2.getX() - p1.getX()) ** 2) ** 0.5, 4)
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print("线段的斜率为：", slope)
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print("线段的长度为：", length)
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text.setText("Click again to quit")
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win.getMouse()
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def test4_9():
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win = GraphWin()
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text = Text(Point(100, 190), "请点击两个位置！")
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text.draw(win)
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p1 = win.getMouse()
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p2 = win.getMouse()
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l1 = Rectangle(p1, p2)
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l1.draw(win)
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cRectangle = round((abs(p2.getY() - p1.getY()) + abs(p2.getX() - p1.getX())) * 2, 4)
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sRectangle = round(abs(p2.getY() - p1.getY()) * abs(p2.getX() - p1.getX()), 4)
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print("矩形的周长为：", cRectangle)
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print("矩形的面积为：", sRectangle)
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text.setText("Click again to quit")
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win.getMouse()
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def test4_10():
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win = GraphWin()
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text = Text(Point(100, 190), "请点击三个位置！")
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text.draw(win)
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p1 = win.getMouse()
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p2 = win.getMouse()
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p3 = win.getMouse()
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Polygon(p1, p2, p3).draw(win)
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a = ((p2.getY() - p1.getY()) ** 2 + (p2.getX() - p1.getX()) ** 2) ** 0.5
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b = ((p3.getY() - p2.getY()) ** 2 + (p3.getX() - p2.getX()) ** 2) ** 0.5
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c = ((p3.getY() - p1.getY()) ** 2 + (p3.getX() - p1.getX()) ** 2) ** 0.5
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cPolygon = round(a + b + c, 4)
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sPolygon = round((cPolygon / 2 * (cPolygon / 2 - a) * (cPolygon / 2 - b) * (cPolygon / 2 - c)) ** 0.5, 4)
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print("三角形的周长为：", cPolygon)
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print("三角形的面积为：", sPolygon)
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text.setText("Click again to quit")
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win.getMouse()
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def test4_11():
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win = GraphWin()
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text = Text(Point(100, 190), "请点击五个位置！")
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text.draw(win)
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p1 = win.getMouse()
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p2 = win.getMouse()
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p3 = win.getMouse()
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p4 = win.getMouse()
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p5 = win.getMouse()
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d = p2.getX() - p1.getX()
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Rectangle(p1, p2).draw(win)
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Polygon(p2, Point(p1.getX(), p2.getY()), p5).draw(win)
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Rectangle(Point(p3.getX() + d * 0.1, p3.getY()), Point(p3.getX() - d * 0.1, p1.getY())).draw(win)
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Rectangle(Point(p4.getX() + d * 0.05, p4.getY() + d * 0.05), Point(p4.getX() - d * 0.05, p4.getY() - d * 0.05)).draw(win)
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text.setText("Click again to quit")
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win.getMouse()
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import sys
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def run(num):
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eval("test4_" + num + "()")
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run(sys.argv[1]) |