QQ.applescript

use AppleScript version "2.4" -- Yosemite (10.10) or later
use scripting additions

-- 一定要把 QQ 这个应用设置到 frontmost，也就是 focus 到当前的 app 窗口上
tell application "QQ" to activate
tell application "System Events" to set frontmost of process "QQ" to true
tell application "System Events"
	-- 如果设置了自动登录，则只需模拟点击回车键（return）即可
	-- keystroke "password"
	keystroke return
end tell