目录


1.最后一个字符是 已知 情况

package main
 
import (
	"fmt"
	"strings"
)
 
func main() {
	s := "333,"
	strings.TrimRight(s, ",")
	fmt.Println(s)
	s = strings.TrimRight(s, ",")
	fmt.Println(s)
}

运行结果:

333,
333

2.最后一个字符是 未知 情况

package main
 
import "fmt"
 
func main() { 
  str := "XBodyContentX"
  content := str[:len(str)-1]
  fmt.Println(content)
}

运行结果:

XBodyContent