if else

if(aa == 1)

  if(bb)

    cc = 1;

else if(aa == 2)

  if(bb)

    cc = 2;

//=========================

if(aa == 1)

{

  if(bb)

    cc = 1;

}

else if(aa == 2)

{

  if(bb)

    cc = 2;

}

  

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转载自www.cnblogs.com/hubertboy/p/11697833.html