164 lines
2.7 KiB
Go
164 lines
2.7 KiB
Go
package main
|
|
|
|
import "fmt"
|
|
|
|
type Person struct {
|
|
Name string
|
|
Age int
|
|
Email string
|
|
}
|
|
|
|
func (p Person) GetName() string {
|
|
return ____
|
|
}
|
|
|
|
func (p Person) GetAge() int {
|
|
return ____
|
|
}
|
|
|
|
func (p *Person) SetName(name string) {
|
|
____ = ____
|
|
}
|
|
|
|
func (p *Person) SetEmail(email string) {
|
|
____ = ____
|
|
}
|
|
|
|
func (p Person) GetInfo() string {
|
|
return fmt.Sprintf("%s, %d岁, %s", ____, ____, ____)
|
|
}
|
|
|
|
type Rectangle struct {
|
|
Width float64
|
|
Height float64
|
|
}
|
|
|
|
func (r Rectangle) Area() float64 {
|
|
return ____
|
|
}
|
|
|
|
func (r *Rectangle) Resize(width, height float64) {
|
|
____ = ____
|
|
____ = ____
|
|
}
|
|
|
|
type BankAccount struct {
|
|
Balance float64
|
|
Owner string
|
|
}
|
|
|
|
func (b *BankAccount) Deposit(amount float64) {
|
|
b.Balance += ____
|
|
}
|
|
|
|
func (b *BankAccount) Withdraw(amount float64) bool {
|
|
if b.Balance >= amount {
|
|
b.Balance -= ____
|
|
return ____
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (b BankAccount) GetBalance() float64 {
|
|
return ____
|
|
}
|
|
|
|
func exercise1() string {
|
|
fmt.Println("=== 练习1：基础方法 ===")
|
|
|
|
person := Person{Name: "张三", Age: 25, Email: "zhangsan@example.com"}
|
|
|
|
name := ____
|
|
age := ____
|
|
|
|
person.SetName(____)
|
|
person.SetEmail(____)
|
|
|
|
fmt.Printf("姓名: %s, 年龄: %d\n", ____, person.Age)
|
|
|
|
return ____
|
|
}
|
|
|
|
func exercise2() float64 {
|
|
fmt.Println("=== 练习2：矩形方法 ===")
|
|
|
|
rect := Rectangle{Width: 10, Height: 5}
|
|
|
|
area := ____
|
|
|
|
fmt.Printf("矩形面积: %.2f\n", area)
|
|
|
|
rect.Resize(____, ____)
|
|
|
|
newArea := ____
|
|
fmt.Printf("调整后面积: %.2f\n", ____)
|
|
|
|
return ____
|
|
}
|
|
|
|
func exercise3() float64 {
|
|
fmt.Println("=== 练习3：银行账户方法 ===")
|
|
|
|
account := BankAccount{Balance: 1000, Owner: "张三"}
|
|
|
|
account.____(500)
|
|
fmt.Printf("存款后余额: %.2f\n", account.____())
|
|
|
|
success := account.____(300)
|
|
if success {
|
|
fmt.Printf("取款成功，余额: %.2f\n", account.____())
|
|
}
|
|
|
|
return ____
|
|
}
|
|
|
|
func exercise4() string {
|
|
fmt.Println("=== 练习4：方法链 ===")
|
|
|
|
// 使用方法链调用
|
|
person := Person{Name: "李四", Age: 30, Email: "lisi@example.com"}
|
|
|
|
person.SetName("李四（更新）").SetEmail("lisi_new@example.com")
|
|
|
|
return ____
|
|
}
|
|
|
|
func exercise5() int {
|
|
fmt.Println("=== 练习5：计算器方法 ===")
|
|
|
|
type Calculator struct {
|
|
value int
|
|
}
|
|
|
|
calc := Calculator{value: 0}
|
|
|
|
calc.setValue := func(v int) {
|
|
calc.value = v
|
|
}
|
|
|
|
calc.setValue(10)
|
|
|
|
fmt.Printf("计算器值: %d\n", calc.value)
|
|
|
|
return ____
|
|
}
|
|
|
|
func main() {
|
|
fmt.Println("=== 方法 练习 ===\n")
|
|
|
|
result1 := exercise1()
|
|
fmt.Printf("练习1结果: %s\n", result1)
|
|
|
|
result2 := exercise2()
|
|
fmt.Printf("练习2结果: %.2f\n", result2)
|
|
|
|
result3 := exercise3()
|
|
fmt.Printf("练习3结果: %.2f\n", result3)
|
|
|
|
result4 := exercise4()
|
|
fmt.Printf("练习4结果: %s\n", result4)
|
|
|
|
result5 := exercise5()
|
|
fmt.Printf("练习5结果: %d\n", result5)
|
|
}
|