GO 格式化 INT,位数不够0补齐
package main
import "fmt"
func main() {
n := 2
sInt := fmt.Sprintf("%02d", n)
fmt.Println(sInt)
}
package main
import "fmt"
func main() {
n := 2
sInt := fmt.Sprintf("%02d", n)
fmt.Println(sInt)
}