C++ Switch Case 实战-优快云博客

本文链接：https://blog.youkuaiyun.com/chen592969029/article/details/84399331

直接上代码，简单粗暴！

#include "testswitch.h"
#include <iostream>
using namespace std;

void TestSwitch::test()
{
	case1();
	case2();
	case3();
	case4();
}

void TestSwitch::case1()
{
	int a[] = {1,2,3,4};
	int i = 0;
	for(int j=0; j<4;j++)
	{
		i = a[j];
		if(i == -1)
			break;
		switch(i)
		{
		case 1:
			cout<<i<<endl;
			//break;
		case 2:
			cout<<i<<endl;
			break;
		case 3:
			cout<<i<<endl;
			break;
		default:
			cout<<"default"<<endl;
			break;
		}
	}
	cout<<endl;
}
//输出：1 1 2 3 default
void TestSwitch::case2()
{
	int a[] = {1,2,3,4};
	int i = 0;
	for(int j=0; j<4;j++)
	{
		i = a[j];
		if(i == -1)
			break;
		switch(i)
		{
		case 1:
			cout<<i<<endl;
			break;
		default:
			cout<<"default"<<endl;
			break;
		case 2:
			cout<<i<<endl;
			break;
		case 3:
			cout<<i<<endl;
			break;
		}
	}
	cout<<endl;
}
//输出：1 2 3 default
void TestSwitch::case3()
{
	int a[] = {1,2,3,4};
	int i = 0;
	for(int j=0; j<4;j++)
	{
		i = a[j];
		if(i == -1)
			break;
		switch(i)
		{
		case 1:
			cout<<i<<endl;
			break;
		default:
			cout<<"default"<<endl;
			//break;
		case 2:
			cout<<i<<endl;
			break;
		case 3:
			cout<<i<<endl;
			break;
		}
	}
	cout<<endl;
}
//输出：1 2 3 default 4
void TestSwitch::case4()
{
	int a[] = {1,2,3,4};
	int i = 0;
	for(int j=0; j<4;j++)
	{
		i = a[j];
		if(i == -1)
			break;
		switch(i)
		{
		case 1:
			cout<<i<<endl;
			break;
		default:
			cout<<"default"<<endl;
			break;
		case 2:
			cout<<i<<endl;
			break;
		case 3:
			cout<<i<<endl;
			//break;
		}
	}
	cout<<endl;
}
//输出：1 2 3 default