golang中的反射

2018-12-14 08:20:25 catherine

package main
import (
    "fmt"
)
func findType(i interface{}) {
    switch i.(type) {
    case string:
        fmt.Printf("String: %s\n", i.(string))
    case int:
        fmt.Printf("Int: %d\n", i.(int))
    case float64:
        fmt.Printf("Int: %.2f\n", i.(float64))    //打印2位小数
    default:
        fmt.Printf("Unknown type\n")
    }
}
func main() {
    findType("Naveen")
    findType(77)
    findType(89.98)
}

分类: web

标签: golang

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作者: catherine

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