画布
from tkinter import *
class App(Frame):
def __init__(self,master = None):
Frame.__init__(self,master)
self.pack()
# create the applilcation
myapp = App()
# here are method calls to the window manger class
myapp.master.title("画布")
myapp.master.maxsize(1000, 400)
w =Canvas(myapp,width =400, height =200)
w.pack()
def paint(event):
x1, y1 = (event.x -1),(event.y - 1)
x2, y2 = (event.x +1),(event.y + 1)
w.create_oval(x1,y1,x2,y2,fill = "red")
#绑定功能，画布与鼠标左键绑定
w.bind("",paint)
Label(myapp,text ="按住鼠标左键并移动，\
开始绘制你的理想蓝图吧！.......").pack(side = BOTTOM)
mainloop()
画布之列表
from tkinter import * #导入tkinter库
root = Tk()
#创建窗口对象背景
root.title('画布')
#创建两个列表
li = ['c','python','php','html','sql','java']
movie = ['CSS','JQuery','Bootstrap']
#创建两个列表组件
listb = Listbox(root)
listb2 = Listbox(root)
for item in li: #第一个小部件插入数据
listb.insert(0, item)
for item in movie: #第二个小部件插入数据
listb2.insert(0, item)
listb.pack() #将小部件放置到主窗口中
listb2.pack()
root.mainloop() #进入消息循环
image.png
画布之长方形及线
from tkinter import *
class App(Frame):
def __init__(self,master = None):
Frame.__init__(self,master)
self.pack()
# create the applilcation
myapp = App()
#
# here are method calls to the window manger class
#
myapp.master.title("画布")
myapp.master.maxsize(1000,400)
w = Canvas(myapp,width =200,height =200) #创建一个Canvas窗口
#将创建的Canvas小窗口放置在主窗口中
w.pack()
w.create_line(0,50,200,50,fill ="yellow")
w.create_line(100,0,100,100,fill ="red",dash =(4,4))
w.create_rectangle(50,25,150,75,fill="blue")
mainloop()
image.png
画布之椭圆字幕butten组件
from tkinter import *
class App(Frame):
def __init__(self,master = None):
Frame.__init__(self,master)
self.pack()
# create the applilcation
myapp = App()
#
# here are method calls to the window manger class
#
myapp.master.title("画布")
myapp.master.maxsize(1000, 400) #画布大小设置
w = Canvas(myapp,width =200,height =200) #Canvas窗口设置
w.pack() #显示Canvas窗口
#绘制直线及长方形
line1 = w.create_line(0,50,200,50,fill ="yellow")
line2 = w.create_line(100,0,100,100,fill ="red",dash =(4,4))
rect1 = w.create_rectangle(50,25,150,75,fill="blue")
#重建line1的坐标
w.coords(line1,0,25,200,25)
#修改rect1的填充颜色
w.itemconfig(rect1,fill ="red")
#删除line2
w.delete(line2)
#添加按钮，删除所有
Button(myapp,text="删除全部",command =(lambda x =ALL:w.delete(x))).pack() #创建butten设置点动删除所有
w.create_line(0,0,200,100,fill ="green",width =3)
w.create_line(200,0,0,100,fill ="green",width =3)
#w.create_rectangle(40,20,160,80,fill="green")
#w.create_rectangle(60,40,140,65,fill="yellow")
w.create_rectangle(40,20,160,80,dash =(4,4)) #创建长方形坐标
w.create_oval(40,20,160,80,fill ="pink") #创建椭圆，设置颜色为pink
w.create_text(100,50,text="I Love pig",fill = "yellow") #创建文字描述，填充色可修改
#w.create_text(100,50,text="DonkeyJason")
mainloop()
image.png
画布之五角星
from tkinter import *
import math as m
class App(Frame):
def __init__(self,master = None):
Frame.__init__(self,master)
self.pack()
# create the applilcation
myapp = App()
#
# here are method calls to the window manger class
#
myapp.master.title("五角星")
myapp.master.maxsize(1000, 400)
w = Canvas(myapp, width =200, height=100,)
w.pack()
center_x =100
center_y =50
r =50
points = [
#左上点
center_x -int(r * m.sin(2 * m.pi / 5)),
center_y -int(r * m.cos(2 * m.pi / 5)),
#右上点
center_x + int(r * m.sin(2 * m.pi / 5)),
center_y - int(r * m.cos(2 * m.pi / 5)),
#左下点
center_x - int(r * m.sin(m.pi / 5)),
center_y + int(r * m.cos(m.pi / 5)),
#顶点
center_x ,
center_y -r,
#右下点
center_x + int(r * m.sin(m.pi / 5)),
center_y + int(r * m.cos(m.pi / 5))
]
w.create_polygon(points,outline ="green", fill ="green")
w.create_text(100,50,text="Donkey Jason",fill = "red")
mainloop()
image.png
-
修改参数
center_x =200
center_y =100
r =100
image.png