C++结构体作为函数参数传参

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#include<iostream>
using namespace std;
 
#include<string>
 
 
//结构体
struct Student {
 
	string name;
	int age;
	int score;
 
}st3;
 
 
/*
 *结构体作为函数参数传参
 */
//值传递
void printStufdent1(struct Student st3) {
	cout << "子函数" << endl;
	st3.age = 100;
 
	cout << "名字：" << st3.name << "	年龄：" << st3.age << "	分数：" << st3.score << endl;
 
}
//地址传递
void printStufdent2(struct Student * p) {
	p->age = 200;
	cout << "子函数" << endl;
	cout << "名字：" << p->name << "	年龄：" << p->age << "	分数：" << p->score << endl;
 
}
 
 
int main() {
 
	struct Student st1;
	st1.name = "zhangsan";
	st1.age = 18;
	st1.score = 60;
	//cout << "名字" << st1.name << "年龄" << st1.age << "分数" << st1.score<< endl;
	struct Student st2={"李四",20,70};
//	cout << "名字" << st2.name << "年龄" << st2.age << "分数" << st2.score<< endl;
	
	
	st3.name = "王五";
	st3.age = 19;
	st3.score = 59;
 
	printStufdent1(st3);
	cout << "main函数" << endl;
	cout << "名字：" << st3.name << "	年龄：" << st3.age << "	分数：" << st3.score << endl;
 
	printStufdent2(&st3);
	cout << "main函数" << endl;
	cout << "名字：" << st3.name << "	年龄：" << st3.age << "	分数：" << st3.score << endl;
 
	system("pause");
 }

从结果我们知道结构体作为函数的参数传参有两种形式 

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