fmt.Sprintf, strconv.Itoa性能比较
package main
import (
"fmt"
"strconv"
"time"
)
func main() {
startTime := time.Now()
for i := 0; i < 10000; i++ {
fmt.Sprintf("%d", i)
}
fmt.Println(time.Now().Sub(startTime))
startTime = time.Now()
for i := 0; i < 10000; i++ {
strconv.Itoa(i)
}
fmt.Println(time.Now().Sub(startTime))
}