回调函数的调用及测试.doc

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1、#includeusingnamespacestd;typedefvoid(*CALLBACK)(inta,intb);classbase{private:intm;intn;staticCALLBACKfunc;public:voidregistercallback(CALLBACKfun,intk,intj);voidcallcallback();};CALLBACKbase::func=NULL;voidbase::registercallback(CALLBACKfun,intk,intj){func=fun;m=k;n=j;}

2、voidbase::callcallback(){base::func(m,n);}voidseiya(inta,intb){cout<

3、lback();ba.registercallback(zilong,5,6);ba.callcallback();}