python 操作记事本

需事先打开记事本，再运行下面脚本

# encoding: utf-8
import win32api
import win32gui
import win32con
 
print("Hello,world!")
 
def find_idxSubHandle(pHandle, winClass, index=0):
    """ 
                已知子窗口的窗体类名 
                寻找第index号个同类型的兄弟窗口 
    """  
    assert type(index) == int and index >= 0  
    handle = win32gui.FindWindowEx(pHandle, 0, winClass, None)  
    while index > 0:  
        handle = win32gui.FindWindowEx(pHandle, handle, winClass, None)  
        index -= 1  
    return handle  
 
def find_subHandle(pHandle, winClassList):  
    """ 
             递归寻找子窗口的句柄 
    pHandle是祖父窗口的句柄 
    winClassList是各个子窗口的class列表，父辈的list-index小于子辈 
    """  
    assert type(winClassList) == list  
    if len(winClassList) == 1:  
        return find_idxSubHandle(pHandle, winClassList[0][0], winClassList[0][1])  
    else:  
        pHandle = find_idxSubHandle(pHandle, winClassList[0][0], winClassList[0][1])  
        return find_subHandle(pHandle, winClassList[1:])  
    
"""输出phandle的所有子控件"""    
def p_sub_handle(phandle):
    handle = -1
    while handle !=0 :
        if handle == -1:
            handle = 0
        handle = win32gui.FindWindowEx(phandle, handle, None, None)
        if handle != 0:
            className = win32gui.GetClassName(handle)
            print(className)
 
"""
    记事本实例
"""
#获取实例
notepadHhandle = win32gui.FindWindow("Notepad", None)
print ("%x" % (notepadHhandle))
 #获取句柄
editHandle = find_subHandle(notepadHhandle, [("Edit",0)])
print ("%x" % (editHandle))
 
"""修改edit中的值"""
win32api.SendMessage(editHandle, win32con.WM_SETTEXT, 0, "666666")
 
command_dict = {  # [目录的编号, 打开的窗口名]  
            "open": [3, u"打开"]
        }  
 
"""操作菜单"""
menu = win32gui.GetMenu(notepadHhandle)
menu = win32gui.GetSubMenu(menu, 0)  
cmd_ID = win32gui.GetMenuItemID(menu, command_dict["open"][0])
if cmd_ID == -1:
    print("没有找到相应的菜单")
else:
    print ("菜单id:%x" % (cmd_ID))
win32gui.PostMessage(notepadHhandle, win32con.WM_COMMAND, cmd_ID, 0)