python计时time库函数
其他
2018-08-19 05:14:35
阅读次数: 0
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#TextProBarV3.py
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import time
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scale = 50 #进度条总长度
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print("执行开始".center(scale//2, "-"))
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start = time.perf_counter() #time库的perf_counter方法实现获取系统时间,精确到微秒
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for i in range(scale+1):
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a = '*' * i
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b = '.' * (scale - i)
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c = (i/scale)*100
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dur = time.perf_counter() - start
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print("\r{:^3.0f}%[{}->{}]{:.2f}s".format(c,a,b,dur),end='') #r回到行首实现单行动态刷新,IDLE会屏蔽/r功能,请在cmd用python命令运行程序
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time.sleep(0.1)
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print("\n"+"执行结束".center(scale//2,'-'))
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#TextProBarV1.py
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import time
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scale = 10
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print("------执行开始------")
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for i in range(scale+1):
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a = '*' * i
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b = '.' * (scale - i)
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c = (i/scale)*100
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print("{:^3.0f}%[{}->{}]".format(c,a,b))
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time.sleep(0.1)
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print("------执行结束------")
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#TextProBarV2.py
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import time
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for i in range(101):
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print("\r{:3}%".format(i), end="")
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time.sleep(0.1)
转载自blog.csdn.net/qq_34106574/article/details/81532066