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go-fly/tools/stringutil.go

61 lines
1.1 KiB

// stringutil 包含有用于处理字符串的工具函数。
package tools
import (
"fmt"
"github.com/gobuffalo/packr/v2"
"net/http"
)
//获取URL的GET参数
func GetUrlArg(r *http.Request, name string) string {
var arg string
values := r.URL.Query()
arg = values.Get(name)
return arg
}
// Reverse 将其实参字符串以符文为单位左右反转。
func Reverse(s string) string {
r := []rune(s)
for i, j := 0, len(r)-1; i < len(r)/2; i, j = i+1, j-1 {
r[i], r[j] = r[j], r[i]
}
return string(r)
}
// Reverse2 将其实参字符串以符文为单位左右反转。
func Reverse2(s string) string {
r := []rune(s)
left := 0
right := len(r) - 1
for left < right {
r[left], r[right] = r[right], r[left]
left++
right--
}
return string(r)
}
//获取文件内容,可以打包到二进制
func FileGetContent(file string) string {
str := ""
box := packr.New("tmpl", "../static")
content, err := box.FindString(file)
if err != nil {
return str
}
return content
}
func ShowStringByte(str string) {
s := []byte(str)
for i, c := range s {
fmt.Println(i, c)
}
}
func NilChannel() {
var ch chan int
ch <- 1
}