python进度条Progressbar 实例

from tkinter import *
from tkinter import ttk
import time
 
def manu_increment(*args):
    for i in range(100):
        p1["value"] = i+1
        root.update()
        time.sleep(0.1)
 
def auto_increment(*args):
    global flag,value
    flag = not flag
 
    if flag:
        btn2["text"] = "暂停动画"
        p2.start(10)
    else:
        btn2["text"] = "开始动画"
        value = p2["value"]
        p2.stop()
        p2["value"] = value
 
root = Tk()
root.title("Progressbar组件")
# 定量进度条
p1 = ttk.Progressbar(root, length=200, mode="determinate", orient=HORIZONTAL)
p1.grid(row=1,column=1)
p1["maximum"] = 100
p1["value"] = 0
 
# 通过指定变量，改变进度条位置
# n = IntVar()
# p1["variable"] = n
 
# 通过指定步长，改变进度条位置
# p1.step(2)
 
btn = ttk.Button(root,text="开始动画",command=manu_increment)
btn.grid(row=1,column=0)
 
# 非定量进度条
flag = False   # 标志位
value = 0      # 进度条位置
 
p2 = ttk.Progressbar(root, length=200, mode="indeterminate", orient=HORIZONTAL)
p2.grid(row=2,column=1)
 
btn2 = ttk.Button(root,text="自动动画",command=auto_increment)
btn2.grid(row=2,column=0)
 
root.mainloop()