package main
import (
"fmt"
"reflect"
)
func main() {
var num float64 = 3.14
// 方法1：
println(reflect.TypeOf(num).Name())
// 方法2：
fmt.Println(reflect.TypeOf(num))
// 方法3：
fmt.Println("%T",num)
}
详解 golang 中获取变量类型的3种方法
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