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我試圖更改標籤的顏色,一旦我的串行端口識別** @ *或**`*IndexError:字符串索引超出範圍,pyserial的Tkinter,蟒蛇3.4
這是我的代碼
while set_ser.isOpen():
time.sleep(0.0001)
bytess = set_ser.inWaiting()
bytes = set_ser.read(bytess)
get_serial = str(bytes.decode("utf-8", errors="ignore"))
loop.set(get_serial)
if (get_serial[2]=='@'): #busy
sLabelRead.configure(bg = 'red', fg='white')
sLabelRead.place(x=10,y=600)
mGui.update()
elif (get_serial[2]=='`'): #ready:
sLabelRead.configure(bg = 'orange', fg='black')
sLabelRead.place(x=10,y=600)
mGui.update()
elif (get_serial==''): #none:
sLabelRead.configure(bg = 'black', fg='white')
sLabelRead.place(x=10,y=600)
mGui.update()
mGui.update()
else:
print (get_serial)
mGui.update()
但我得到這個錯誤
if (get_serial[1]=='@'): #busy
IndexError: string index out of range
能有人幫助我 感謝
這意味着您的字符串小於2個字符。你可能會得到一個空字符串,只需用'print'或/和'len'來檢查 – nbro 2015-02-06 02:40:57