引用

 1 #include <iostream>
 2 using namespace std;
 3 
 4 int  main()
 5 {
 6     int rats=101;
 7     int &rodents=rats;  //&为引用
 8     cout<<"rats="<<rats;
 9     cout<<",rodents"<<endl;
10     rodents++;
11     cout<<"rats="<<rats;
12     cout<<",rodents"<<rodents<<endl;
13     cout<<"rats address="<<&rats;
14     cout<<",rodents address="<<&rodents<<endl;
15     getchar();
16     return 0;
17 }

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原文地址：https://www.cnblogs.com/qiwu1314/p/9391058.html