配置文件等
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```go
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type Car struct {
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color string
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size string
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}
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```
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方式一:使用T{…}方式,结果为值类型
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```go
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c := Car{}
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```
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方式二:使用new的方式,结果为指针类型
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```go
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c1 := new(Car)
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```
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方式三:使用&方式,结果为指针类型
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```go
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c2 := &Car{}
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```
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以下为创建并初始化
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```go
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c3 := &Car{"红色", "1.2L"}
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c4 := &Car{color: "红色"}
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c5 := Car{color: "红色"}
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```
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构造函数:
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在Go语言中没有构造函数的概念,对象的创建通常交由一个全局的创建函数来完成,以
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NewXXX 来命名,表示“构造函数”
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```go
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func NewCar(color,size string) *Car {
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return &Car{color,size}
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}
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```
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