1.     //---------------------------分线程--------------------
  2.     子程序 Thread0
  3.         SetEnvironmentVar "Key0","0"
  4.         延时30000毫秒
  5.         SetEnvironmentVar "Key0","1"
  6.     子程序结束,回到调用处
  7.     子程序 Thread1
  8.         SetEnvironmentVar "Key1","0"
  9.         延时30000毫秒
  10.         SetEnvironmentVar "Key1","1"
  11.     子程序结束,回到调用处
  12.     子程序 Thread2
  13.         SetEnvironmentVar "Key2","0"
  14.         延时30000毫秒
  15.         SetEnvironmentVar "Key2","1"
  16.     子程序结束,回到调用处
  17.     //.....可加分线,同环境变量