1.
package main import "fmt" type Books struct { title string author string subject string book_id int } func main() { // 创建一个新的结构体 fmt.Println(Books{"Go 语言", "www.runoob.com", "Go 语言教程", 6495407}) // 也可以使用 key => value 格式 fmt.Println(Books{title: "Go 语言", author: "www.runoob.com", subject: "Go 语言教程", book_id: 6495407}) // 忽略的字段为 0 或 空 fmt.Println(Books{title: "Go 语言", author: "www.runoob.com"}) }
输出
{Go 语言 www.runoob.com Go 语言教程 6495407}
{Go 语言 www.runoob.com Go 语言教程 6495407}
{Go 语言 www.runoob.com 0}
2.
package main import "fmt" type Books struct { title string author string subject string book_id int } func main() { var Book1 Books /* 声明 Book1 为 Books 类型 */ var Book2 Books /* 声明 Book2 为 Books 类型 */ /* book 1 描述 */ Book1.title = "Go 语言" Book1.author = "www.runoob.com" Book1.subject = "Go 语言教程" Book1.book_id = 6495407 /* book 2 描述 */ Book2.title = "Python 教程" Book2.author = "www.runoob.com" Book2.subject = "Python 语言教程" Book2.book_id = 6495700 /* 打印 Book1 信息 */ fmt.Printf("Book 1 title : %s ", Book1.title) fmt.Printf("Book 1 author : %s ", Book1.author) fmt.Printf("Book 1 subject : %s ", Book1.subject) fmt.Printf("Book 1 book_id : %d ", Book1.book_id) /* 打印 Book2 信息 */ fmt.Printf("Book 2 title : %s ", Book2.title) fmt.Printf("Book 2 author : %s ", Book2.author) fmt.Printf("Book 2 subject : %s ", Book2.subject) fmt.Printf("Book 2 book_id : %d ", Book2.book_id) }
输出
Book 1 title : Go 语言 Book 1 author : www.runoob.com Book 1 subject : Go 语言教程 Book 1 book_id : 6495407 Book 2 title : Python 教程 Book 2 author : www.runoob.com Book 2 subject : Python 语言教程 Book 2 book_id : 6495700