You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
1.8 KiB
86 lines
1.8 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"
|
|
"golang.org/x/net/html/charset"
|
|
"golang.org/x/text/encoding"
|
|
"golang.org/x/text/encoding/unicode"
|
|
"golang.org/x/text/transform"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"strings"
|
|
)
|
|
|
|
//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)
|
|
}
|
|
|
|
//转换编码
|
|
func Encoding(html string, ct string) string {
|
|
e, name := DetermineEncoding(html)
|
|
if name != "utf-8" {
|
|
html = ConvertToStr(html, "gbk", "utf-8")
|
|
e = unicode.UTF8
|
|
}
|
|
r := strings.NewReader(html)
|
|
|
|
utf8Reader := transform.NewReader(r, e.NewDecoder())
|
|
//将其他编码的reader转换为常用的utf8reader
|
|
all, _ := ioutil.ReadAll(utf8Reader)
|
|
return string(all)
|
|
}
|
|
func DetermineEncoding(html string) (encoding.Encoding, string) {
|
|
e, name, _ := charset.DetermineEncoding([]byte(html), "")
|
|
return e, name
|
|
}
|
|
|
|
//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
|
|
}
|