用python编写一个小程序,python入门小程序编写_python 小程序源码

一：樱花树

运行效果：

完整代码如下：

import turtle
import random
from turtle import *
from time import sleep
 
# 画樱花的躯干(60,t)
def tree(branchLen,t):
    sleep(0.0005)
    if branchLen >3:
        if 8<= branchLen <=12:
            if random.randint(0,2) == 0:
                t.color('snow') # 白
            else:
                t.color('lightcoral') # 淡珊瑚色
            t.pensize(branchLen / 3)
        elif branchLen <8:
            if random.randint(0,1) == 0:
                t.color('snow')
            else:
                t.color('lightcoral') # 淡珊瑚色
            t.pensize(branchLen / 2)
        else:
            t.color('sienna') # 赭(zhě)色
            t.pensize(branchLen / 10) # 6
        t.forward(branchLen)
        a = 1.5 * random.random()
        t.right(20*a)
        b = 1.5 * random.random()
        tree(branchLen-10*b, t)
        t.left(40*a)
        tree(branchLen-10*b, t)
        t.right(20*a)
        t.up()
        t.backward(branchLen)
        t.down()
 
# 掉落的花瓣
def petal(m, t):
    for i in range(m):
        a = 200 - 400 * random.random()
        b = 10 - 20 * random.random()
        t.up()
        t.forward(b)
        t.left(90)
        t.forward(a)
        t.down()
        t.color('lightcoral') # 淡珊瑚色
        t.circle(1)
        t.up()
        t.backward(a)
        t.right(90)
        t.backward(b)
 
def main():
    # 绘图区域
    t = turtle.Turtle()
    # 画布大小
    w = turtle.Screen()
    t.hideturtle() # 隐藏画笔
    getscreen().tracer(1,0)
    w.screensize(bg='wheat')
    t.left(90)
    t.up()
    t.backward(150)
    t.down()
    t.color('sienna')
 
    # 画樱花的躯干
    tree(60,t)
    
    # 掉落的花瓣
    petal(200, t)
    w.exitonclick()
 
main()

二：呆萌小鸭子

运行效果：

完整代码如下：

from turtle import *
 
#扁嘴
pensize(2)
 
pu()
goto(-100,100)#上嘴最高顶点
seth(-50)
pd()
color('#6C3100','#FADD77')
begin_fill()
fd(16)
vertex_right = pos()#嘴最右顶点
rt(50)
fd(12)
vertex_down = pos()#下嘴最低顶点
rt(80)
fd(30)
circle(-3,200)
vertex_left = pos()#嘴最左顶点
goto(-100,100)
end_fill()
goto(vertex_left)#回到最左顶点
circle(-3,-200)#扁嘴
goto(vertex_right)
    
#身体
#头颈背尾曲线
color('#B6A88E')
pu()
goto(-100,100)
pd()
 
seth(80)
circle(-36,160)
fd(25)
circle(115,20)
circle(60,55)
circle(-200,20)
circle(110,20)
color('#7D6A4C')
circle(40,40)
color('#B6A88E')
seth(-100)
circle(-180,30)
circle(-20,50)
 
#右鸭腿
circle(20,70)
color('#736856')
circle(-12,120)
leg_pos1 = pos()#定位左腿位置
fd(25)
 
#前胸肚曲线
pu()
goto(vertex_down)
pd()
seth(-10)
color('#B9AD9D')
circle(-40,50)
circle(-80,48)
color('#736856')
circle(250,5)
circle(50,75)
color('#B9AD9D')
circle(220,28)
 
#左鸭腿
pu()
seth(175)
fd(40)
pd()
seth(-120)
fd(8)
circle(-10,120)
leg_pos2 = pos()#定位右腿位置
fd(15)
 
#眼睛
color('black')
#左眼
pu()
goto(vertex_down - (1,-29))
pd()
dot(4,'black')
#右眼
pu()
goto(vertex_down + (23,20))
pd()
dot(4,'black')
 
#翅膀
color('#BCB2A6')
pu()
goto(vertex_down - (-75,130))
seth(130)
pd()
circle(-25,130)
circle(-100,30)
fd(85)
point = pos()
rt(137)
fd(52)
circle(-100,58)
 
pu()
goto(point)
lt(30)
pd()
fd(60)
 
pu()
goto(point)
pd()
lt(10)
fd(70)
 
#腿部
#左腿
def leg(pos0):#鸭腿绘制函数
    pensize(8)
    color('#ECC578')
    pu()
    goto(pos0)
    seth(0)
    fd(7)
    seth(-90)
    fd(8.5)
    pd()
    fd(20)#腿长
 
leg(leg_pos1)
leg(leg_pos2)
 
#小红靴——函数
def boot(pos0):
    pensize(2)
    color('#B4070B','#FBA06B')
    pu()
    goto(pos0)#靴子右上顶点
    pd()
    begin_fill()
    seth(140)
    circle(25,80)
    seth(-80)
    fd(35)
 
    circle(-2,60)#靴低
    fd(20)
    circle(4,180)    
    seth(5)
    fd(30)
    circle(2,60)
    
    goto(pos0)#右侧线条
    end_fill()
    
boot(leg_pos1-(-20,30))
boot(leg_pos2-(-20,30)) 
 
#小雨滴
color('#77DDFF','#D8E8E5')
fd_ls = [200,140,250,240,230,220,180,250]
lt_ls = [30,60,60,100,125,170,200,330]
for i in range(8):
    pu()
    home()    
    lt(lt_ls[i])
    fd(fd_ls[i])
 
    pd()
    seth(-78)
    fd(15)
    begin_fill()
    circle(-3,200)
    end_fill()
    fd(15)
 
#文字
pu()
goto(vertex_left)
seth(180)
fd(150)
seth(-90)
fd(300)
color('black')
write('呆萌小鸭子',font=("Arial",15,"normal"))
    
hideturtle()
done()

三：计算器

运行效果：

完整代码如下：

import tkinter as tk
 
class Calc(tk.Tk):
    """计算器窗体类"""
    def __init__(self):
        """初始化实例"""
        tk.Tk.__init__(self)
        self.title("计算器")
        self.memory = 0  # 暂存数值
        self.create()
 
    def create(self):
        """创建界面"""
        btn_list = ["C", "M->", "->M", "/",
                    "7", "8", "9", "*",
                    "4", "5", "6", "-",
                    "1", "2", "3", "+",
                    "+/-", "0", ".", "="]
        r = 1
        c = 0
        for b in btn_list:
            self.button = tk.Button(self, text=b, width=5,
                                    command=(lambda x=b: self.click(x)))
            self.button.grid(row=r, column=c, padx=3, pady=6)
            c += 1
            if c > 3:
                c = 0
                r += 1
        self.entry = tk.Entry(self, width=24, borderwidth=2,
                              bg="yellow", font=("Consolas", 12))
        self.entry.grid(row=0, column=0, columnspan=4, padx=8, pady=6)
 
    def click(self, key):
        """响应按钮"""
        if key == "=":  # 输出结果
            result = eval(self.entry.get())
            self.entry.insert(tk.END, " = " + str(result))
        elif key == "C":  # 清空输入框
            self.entry.delete(0, tk.END)
        elif key == "->M":  # 存入数值
            self.memory = self.entry.get()
            if "=" in self.memory:
                ix = self.memory.find("=")
                self.memory = self.memory[ix + 2:]
            self.title("M=" + self.memory)
        elif key == "M->":  # 取出数值
            if self.memory:
                self.entry.insert(tk.END, self.memory)
        elif key == "+/-":  # 正负翻转
            if "=" in self.entry.get():
                self.entry.delete(0, tk.END)
            elif self.entry.get()[0] == "-":
                self.entry.delete(0)
            else:
                self.entry.insert(0, "-")
        else:  # 其他键
            if "=" in self.entry.get():
                self.entry.delete(0, tk.END)
            self.entry.insert(tk.END, key)
 
if __name__ == "__main__":
    Calc().mainloop()

四：皮卡丘

运行效果：

完整代码如下：

from turtle import *
'''
绘制皮卡丘头部
'''
def face(x,y):
    """画脸"""
    begin_fill()
    penup()
    # 将海龟移动到指定的坐标
    goto(x, y)
    pendown()
    # 设置海龟的方向
    setheading(40)
 
    circle(-150, 69)
    fillcolor("#FBD624")
    # 将海龟移动到指定的坐标
    
    penup()
    goto(53.14, 113.29)
    pendown()
    setheading(300)
    circle(-150, 30)
    setheading(295)
    circle(-140, 20)
    print(position())
    forward(5)
    setheading(260)
    circle(-80, 70)
    print(position())
    penup()
    goto(-74.43,-79.09)
    pendown()
    penup()
    # 将海龟移动到指定的坐标
    goto(-144,103)
    pendown()
    setheading(242)
    circle(110, 35)
    right(10)
    forward(10)
    setheading(250)
    circle(80, 115)
    print(position())
    penup()
    goto(-74.43,-79.09)
    pendown()
    setheading(10)
    penup()
    goto(-144, 103)
    pendown()
    penup()
    goto(x, y)
    pendown()
    end_fill()
 
    # 下巴
    penup()
    goto(-50, -82.09)
    pendown()
    pencolor("#DDA120")
    fillcolor("#DDA120")
    begin_fill()
    setheading(-12)
    circle(120, 25)
    setheading(-145)
    forward(30)
    setheading(180)
    circle(-20, 20)
    setheading(143)
    forward(30)
    end_fill()
 
def eye():
    """画眼睛"""
    # 左眼
    color("black","black")
    penup()
    goto(-110, 27)
    pendown()
    begin_fill()
    setheading(0)
    circle(24)
    end_fill()
    # 左眼仁
    color("white", "white")
    penup()
    goto(-105, 51)
    pendown()
    begin_fill()
    setheading(0)
    circle(10)
    end_fill()
    # 右眼
    color("black", "black")
    penup()
    goto(25, 40)
    pendown()
    begin_fill()
    setheading(0)
    circle(24)
    end_fill()
    # 右眼仁
    color("white", "white")
    penup()
    goto(17, 62)
    pendown()
    begin_fill()
    setheading(0)
    circle(10)
    end_fill()
def cheek():
    """画脸颊"""
    # 右边
    color("#9E4406", "#FE2C21")
    penup()
    goto(-130, -50)
    pendown()
    begin_fill()
    setheading(0)
    circle(27)
    end_fill()
 
    # 左边
    color("#9E4406", "#FE2C21")
    penup()
    goto(53, -20)
    pendown()
    begin_fill()
    setheading(0)
    circle(27)
    end_fill()
 
def nose():
    """画鼻子"""
    color("black", "black")
    penup()
    goto(-40, 38)
    pendown()
    begin_fill()
    circle(7,steps = 3)
    end_fill()
def mouth():
    """画嘴"""
    color("black", "#F35590")
    # 嘴唇
    penup()
    goto(-10, 22)
    pendown()
    begin_fill()
    setheading(260)
    forward(60)
    circle(-11, 150)
    forward(55)
    print(position())
    penup()
    goto(-38.46, 21.97)
    pendown()
    end_fill()
 
    # 舌头
    color("#6A070D", "#6A070D")
    begin_fill()
    penup()
    goto(-10.00, 22.00)
    pendown()
    penup()
    goto(-14.29, -1.7)
    pendown()
    penup()
    goto(-52, -5)
    pendown()
    penup()
    goto(-60.40, 12.74)
    pendown()
    penup()
    goto(-38.46, 21.97)
    pendown()
    penup()
    goto(-10.00, 22.00)
    pendown()
    end_fill()
    color("black","#FFD624")
    penup()
    goto(-78, 15)
    pendown()
    begin_fill()
    setheading(-25)
    for i in range(2):
        setheading(-25)
        circle(35, 70)
 
    end_fill()
    color("#AB1945", "#AB1945")
    penup()
    goto(-52, -5)
    pendown()
    begin_fill()
    setheading(40)
    circle(-33, 70)
    goto(-16,-1.7)
    penup()
    goto(-18,-17)
    pendown()
    setheading(155)
    circle(25, 70)
    end_fill()
 
def ear():
    """画耳朵"""
    # 左耳
    color("black","#FFD624")
    penup()
    goto(-145, 93)
    pendown()
    begin_fill()
    setheading(165)
    circle(-248,50)
    right(120)
    circle(-248,50)
    end_fill()
    color("black", "black")
    penup()
    goto(-240, 143)
    pendown()
    begin_fill()
    setheading(107)
    circle(-170, 25)
    left(80)
    circle(229, 15)
    left(120)
    circle(300, 15)
    end_fill()
 
    # 右耳
    color("black", "#FFD624")
    penup()
    goto(30, 136)
    pendown()
    begin_fill()
    setheading(64)
    circle(-248, 50)
 
    right(120)
    circle(-248, 50)
    end_fill()
    color("black", "black")
    penup()
    goto(160, 200)
    pendown()
    begin_fill()
    setheading(52)
    circle(170, 25)
    left(116)
    circle(229, 15)
    left(71)
    circle(-300, 15)
    end_fill()
def setting():
    """设置参数"""
    pensize(2)
    # 隐藏海龟
    hideturtle()
    speed(10)
def main():
    """主函数"""
    setting()
    face(-132,115)
    eye()
    cheek()
    nose()
    mouth()
    ear()
    done()
 
if __name__ == '__main__':
    main()

五：表白专用

运行效果：

完整代码如下：

import turtle
import time
 
# 清屏函数
def clear_all():
    turtle.penup()
    turtle.goto(0, 0)
    turtle.color('white')
    turtle.pensize(800)
    turtle.pendown()
    turtle.setheading(0)
    turtle.fd(300)
    turtle.bk(600)
 
# 重定位海龟的位置
def go_to(x, y, state):
    turtle.pendown() if state else turtle.penup()
    turtle.goto(x, y)
 
# 画线
# state为真时海龟回到原点，为假时不回到原来的出发点
def draw_line(length, angle, state):
    turtle.pensize(1)
    turtle.pendown()
    turtle.setheading(angle)
    turtle.fd(length)
    turtle.bk(length) if state else turtle.penup()
    turtle.penup()
 
# 画箭羽
def draw_feather(size):
    angle = 30                          # 箭的倾角
    feather_num = size//6               # 羽毛的数量
    feather_length = size // 3          # 羽毛的长度
    feather_gap = size//10              # 羽毛的间隔
    for i in range(feather_num):
        draw_line(feather_gap, angle+180, False)            # 箭柄，不折返
        draw_line(feather_length, angle + 145, True)        # 羽翼，要折返
    draw_line(feather_length, angle + 145, False)
    draw_line(feather_num*feather_gap, angle, False)
    draw_line(feather_length, angle + 145 + 180, False)
    for i in range(feather_num):
        draw_line(feather_gap, angle+180, False)            # 箭柄，不折返
        draw_line(feather_length, angle - 145, True)        # 羽翼，要折返
    draw_line(feather_length, angle - 145, False)
    draw_line(feather_num*feather_gap, angle, False)
    draw_line(feather_length, angle - 145 + 180, False)
 
# 画爱心
def draw_heart(size):
    turtle.color('red', 'pink')
    turtle.pensize(2)
    turtle.pendown()
    turtle.setheading(150)
    turtle.begin_fill()
    turtle.fd(size)
    turtle.circle(size * -3.745, 45)
    turtle.circle(size * -1.431, 165)
    turtle.left(120)
    turtle.circle(size * -1.431, 165)
    turtle.circle(size * -3.745, 45)
    turtle.fd(size)
    turtle.end_fill()
 
# 画箭
def draw_arrow(size):
    angle = 30
    turtle.color('black')
    draw_feather(size)
    turtle.pensize(4)
    turtle.setheading(angle)
    turtle.pendown()
    turtle.fd(size*2)
 
# 一箭穿心
# 箭的头没有画出来，而是用海龟来代替
def arrow_heart(x, y, size):
    go_to(x, y, False)
    draw_heart(size*1.15)
    turtle.setheading(-150)
    turtle.penup()
    turtle.fd(size*2.2)
    draw_heart(size)
    turtle.penup()
    turtle.setheading(150)
    turtle.fd(size * 2.2)
    draw_arrow(size)
 
# 画出发射爱心的小人
def draw_people(x, y):
    turtle.penup()
    turtle.goto(x, y)
    turtle.pendown()
    turtle.pensize(2)
    turtle.color('black')
    turtle.setheading(0)
    turtle.circle(60, 360)
    turtle.penup()
    turtle.setheading(90)
    turtle.fd(75)
    turtle.setheading(180)
    turtle.fd(20)
    turtle.pensize(4)
    turtle.pendown()
    turtle.circle(2, 360)
    turtle.setheading(0)
    turtle.penup()
    turtle.fd(40)
    turtle.pensize(4)
    turtle.pendown()
    turtle.circle(-2, 360)
    turtle.penup()
    turtle.goto(x, y)
    turtle.setheading(-90)
    turtle.pendown()
    turtle.fd(20)
    turtle.setheading(0)
    turtle.fd(35)
    turtle.setheading(60)
    turtle.fd(10)
    turtle.penup()
    turtle.goto(x, y)
    turtle.setheading(-90)
    turtle.pendown()
    turtle.fd(40)
    turtle.setheading(0)
    turtle.fd(35)
    turtle.setheading(-60)
    turtle.fd(10)
    turtle.penup()
    turtle.goto(x, y)
    turtle.setheading(-90)
    turtle.pendown()
    turtle.fd(60)
    turtle.setheading(-135)
    turtle.fd(60)
    turtle.bk(60)
    turtle.setheading(-45)
    turtle.fd(30)
    turtle.setheading(-135)
    turtle.fd(35)
    turtle.penup()
 
# 第一个画面，显示文字
def page0():
    turtle.penup()
    turtle.goto(-350, 0)
    turtle.color('black')
    turtle.write('专属于我们的什么节', font=('宋体', 60, 'normal')) #这里的字大家自己替换
    time.sleep(3)
 
# 第二个画面，显示发射爱心的小人
def page1():
    turtle.speed(10)
    draw_people(-250, 20)
    turtle.penup()
    turtle.goto(-150, -30)
    draw_heart(14)
    turtle.penup()
    turtle.goto(-20, -60)
    draw_heart(25)
    turtle.penup()
    turtle.goto(250, -100)
    draw_heart(45)
    turtle.hideturtle()
    time.sleep(3)
 
# 最后一个画面，一箭穿心
def page2():
    turtle.speed(1)
    turtle.penup()
    turtle.goto(-200, -200)
    turtle.color('blue')
    turtle.pendown()
    turtle.write('温轻舟       温轻舟', font=('wisdom', 25, 'normal')) #这里的字大家自己替换
    turtle.penup()
    turtle.goto(0, -180)
    draw_heart(10)
    arrow_heart(20, -60, 51)
    turtle.showturtle()
 
def main():
    turtle.setup(900, 500)
    page0()
    clear_all()
    page1()
    clear_all()
    page2()
    turtle.done()
main()