golang interface{} 类型转换
package main
import (
"fmt"
"strconv"
)
var articleId interface{}
func main() {
articleId = 12.0
switch articleId.(type) {
case string:
fmt.Println("string ***", articleId)
case float64:
fmt.Println("float64****", strconv.FormatFloat(articleId.(float64), 'f', -1, 64))
case []byte:
fmt.Println("[]byte****", string(articleId.([]byte)))
}
}