python 操作记事本

需事先打开记事本，再运行下面脚本

# encoding: utf-
import win32api
import win32gui
import win32con
 
print("Hello,world!")
 
def find_idxSubHandle(pHandle, winClass, index=):
    """
                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 >=
    handle = win32gui.FindWindowEx(pHandle, , winClass, None)
    while index > :
        handle = win32gui.FindWindowEx(pHandle, handle, winClass, None)
        index -=
    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) == :
        return find_idxSubHandle(pHandle, winClassList[][], winClassList[][])
    else:
        pHandle = find_idxSubHandle(pHandle, winClassList[][], winClassList[][])
        return find_subHandle(pHandle, winClassList[:])  
 
"""输出phandle的所有子控件"""
def p_sub_handle(phandle):
    handle = -
    while handle != :
        if handle == -:
            handle =
        handle = win32gui.FindWindowEx(phandle, handle, None, None)
        if handle != :
            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",)])
print ("%x" % (editHandle))
 
"""修改edit中的值"""
win32api.SendMessage(editHandle, win32con.WM_SETTEXT, , "")
 
command_dict = {  # [目录的编号, 打开的窗口名]
            "open": [, u"打开"]
        }  
 
"""操作菜单"""
menu = win32gui.GetMenu(notepadHhandle)
menu = win32gui.GetSubMenu(menu, )
cmd_ID = win32gui.GetMenuItemID(menu, command_dict["open"][])
if cmd_ID == -:
    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, )