实现功能: 打开控制台窗口、关闭控制台窗口、在控制台窗口里执行DOS命令、清除控制台窗口、光标定位、输出文本、设置文本颜色等。-functionality : Open the Console window closed console window, in the console window in implementing the DOS command to remove the console window, the cursor positioning, text output, set the text color, and etc..