C++ goto语句也称为跳转语句。它用于将控制权转移到程序的其他部分。它无条件跳转到指定的标签。
它可用于从深层嵌套的循环或开关案例标签转移控制权。
让我们看一下C++中goto语句的简单示例。
#include <iostream> using namespace std; int main() { ineligible: cout<<"You are not eligible to vote!\n"; cout<<"Enter your age:\n"; int age; cin>>age; if (age < 18){ goto ineligible; } else { cout<<"You are eligible to vote!"; } }
输出:
You are not eligible to vote! Enter your age: 16 You are not eligible to vote! Enter your age: 7 You are not eligible to vote! Enter your age: 22 You are eligible to vote!
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