怎么写结构体输出程序

时间:2025-01-29 23:53:24 单机游戏

结构体输出程序的编写主要依赖于所使用的编程语言。以下是几种常见编程语言中如何编写结构体输出程序的示例:

C++

在C++中,可以使用`iostream`库中的`cout`对象来输出结构体的成员。以下是一个示例:

```cpp

include

include

struct Student {

int num;

std::string name;

char sex;

int age;

struct Date {

int month;

int day;

int year;

} birthday;

float score;

std::string addr;

};

int main() {

Student student1 = {10001, "zhangsan", 'm', 23, {12, 12, 2017}, 100, "北京市昌平区马池口吉利大学"};

Student student2 = student1;

std::cout << "学号: " << student2.num << std::endl;

std::cout << "姓名: " << student2.name << std::endl;

std::cout << "性别: " << student2.sex << std::endl;

std::cout << "年龄: " << student2.age << std::endl;

std::cout << "出生日期: " << student2.birthday.year << " / " << student2.birthday.month << " / " << student2.birthday.day << std::endl;

std::cout << "成绩: " << student2.score << std::endl;

std::cout << "地址: " << student2.addr << std::endl;

return 0;

}

```

C

在C语言中,可以使用`printf`函数来输出结构体的成员。以下是一个示例:

```c

include

typedef struct {

int num;

char name;

char sex;

int age;

struct Date {

int month;

int day;

int year;

} birthday;

float score;

char addr;

} Student;

int main() {

Student student1 = {10001, "zhangsan", 'm', 23, {12, 12, 2017}, 100, "北京市昌平区马池口吉利大学"};

Student student2 = student1;

printf("学号: %d\n", student2.num);

printf("姓名: %s\n", student2.name);

printf("性别: %c\n", student2.sex);

printf("年龄: %d\n", student2.age);

printf("出生日期: %d / %d / %d\n", student2.birthday.year, student2.birthday.month, student2.birthday.day);

printf("成绩: %.2f\n", student2.score);

printf("地址: %s\n", student2.addr);

return 0;

}

```

Go

在Go语言中,可以使用`fmt`包中的`Println`、`Printf`或`Print`函数来输出结构体的字段值。以下是一个示例:

```go

package main

import (

"fmt"

type Person struct {

Name string

Age int

Email string

}

func main() {

p := Person{Name: "John", Age: 25, Email: "john@example.com"}

fmt.Println(p) // 打印结构体的值

fmt.Printf("%+v\n", p) // 打印结构体的字段名和值

}

```

输出格式化

如果需要更格式化的输出,可以实现结构体的`String()`方法来自定义打印格式。以下是一个示例: