clipboard_py3_win10.py

'''
操作剪切板：读取剪切板的字符串;清空剪切板;向剪切板中写入字符串（只能写入 ascii 字符）。
win10, python3, 
'''
from ctypes import *


user32 = windll.user32
kernel32 = windll.kernel32
def get_clipboard():
	user32.OpenClipboard(c_int(0))
	contents = c_char_p(user32.GetClipboardData(c_int(1))).value
	user32.CloseClipboard()
	return contents
def empty_clipboard():
	user32.OpenClipboard(c_int(0))
	user32.EmptyClipboard()
	user32.CloseClipboard()

def set_clipboard(data):
	user32.OpenClipboard(c_int(0))
	user32.EmptyClipboard()
	alloc = kernel32.GlobalAlloc(0x2000, len(bytes(data, encoding='utf_8'))+1)
	# alloc = kernel32.GlobalAlloc(0x2000, len(data)+1)
	lock = kernel32.GlobalLock(alloc)
	cdll.msvcrt.strcpy(c_char_p(lock),bytes(data, encoding='utf_8'))
	# cdll.msvcrt.strcpy(c_char_p(lock), data)
	kernel32.GlobalUnlock(alloc)
	user32.SetClipboardData(c_int(1),alloc)
	user32.CloseClipboard()

if __name__ == '__main__':
	# 向剪切板内写入 ascii 字符串
	set_clipboard('py!')
	text = get_clipboard()
	print(text)
	
	# 获取剪切板内字符串
	# text_raw = get_clipboard()
	# print('{0} {1}'.format(text_raw, type(text_raw)))
	
	# try:
	# 	text_str = text_raw.decode('utf_8')
	# 	print('{0} {1}'.format(text_str, type(text_str)))
	# except:
	# 	print('剪切板为空。') 


	# 清空剪切板
	# empty_clipboard()
	# text = get_clipboard()
	# print(text)