54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package main
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import "fmt"
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// 定义一个Person结构体
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type Person struct {
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Name string
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Age int
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}
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// 给Person结构体定义一个方法
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func (p Person) Greet() {
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fmt.Printf("Hello, my name is %s and I'm %d years old.\n", p.Name, p.Age)
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}
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// 嵌套结构体示例
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type Employee struct {
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Person
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JobTitle string
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}
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func main() {
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// 结构体初始化方式1：字段顺序
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p1 := Person{"Alice", 25}
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// 结构体初始化方式2：字段名指定
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p2 := Person{
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Name: "Bob",
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Age: 30,
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}
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// 访问结构体字段
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fmt.Println(p1.Name) // Alice
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fmt.Println(p2.Age) // 30
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// 调用结构体方法
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p1.Greet() // Hello, my name is Alice and I'm 25 years old.
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p2.Greet() // Hello, my name is Bob and I'm 30 years old.
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// 嵌套结构体初始化
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emp := Employee{
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Person: Person{
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Name: "Charlie",
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Age: 35,
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},
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JobTitle: "Developer",
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}
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// 访问嵌套结构体字段
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fmt.Println(emp.Name) // Charlie (提升字段)
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fmt.Println(emp.JobTitle) // Developer
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emp.Greet() // Hello, my name is Charlie and I'm 35 years old.
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}
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