C++中dynamic_cast，static_cast，const_cast，reinterpret_cast

dynamic_cast

http://baike.baidu.com/view/1745213.htm

static_cast

http://baike.baidu.com/view/1745207.htm

const_cast

http://baike.baidu.com/view/1745221.htm

reinterpret_cast

http://baike.baidu.com/view/1263731.htm