C++语言运算符重载章节的内容,能理解C++中运算符重载的需要性，掌握运算符重载的方法，能使用常用几种运算符的重载操作。 -C++ Language operator overloading sections, can understand C++ Operator overloading of the need to master operator overloaded methods, can use several commonly used to operate heavy-duty