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40 lines
983 B
40 lines
983 B
// stringutil 包含有用于处理字符串的工具函数。
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package tools
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import (
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"golang.org/x/net/html/charset"
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"golang.org/x/text/encoding"
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"golang.org/x/text/encoding/unicode"
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"golang.org/x/text/transform"
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"io/ioutil"
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"strings"
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)
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// Reverse 将其实参字符串以符文为单位左右反转。
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func Reverse(s string) string {
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r := []rune(s)
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for i, j := 0, len(r)-1; i < len(r)/2; i, j = i+1, j-1 {
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r[i], r[j] = r[j], r[i]
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}
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return string(r)
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}
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//转换编码
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func Encoding(html string,ct string) string {
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e,name:=DetermineEncoding(html)
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if name!="utf-8"{
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html=ConvertToStr(html,"gbk","utf-8")
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e=unicode.UTF8
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}
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r := strings.NewReader(html)
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utf8Reader := transform.NewReader(r, e.NewDecoder())
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//将其他编码的reader转换为常用的utf8reader
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all, _ := ioutil.ReadAll(utf8Reader)
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return string(all)
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}
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func DetermineEncoding(html string) (encoding.Encoding,string) {
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e, name, _ := charset.DetermineEncoding([]byte(html), "")
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return e,name
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}
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