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sort_pinyin.go
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/
sort_pinyin.go
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package main
import (
"fmt"
"bytes"
"sort"
"golang.org/x/text/encoding/simplifiedchinese"
"io/ioutil"
"golang.org/x/text/transform"
)
type ByPinyin []string
func (s ByPinyin) Len() int { return len(s) }
func (s ByPinyin) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s ByPinyin) Less(i, j int) bool {
a, _ := UTF82GBK(s[i])
b, _ := UTF82GBK(s[j])
bLen := len(b)
for idx, chr := range a {
if idx > bLen-1 {
return false
}
if chr != b[idx] {
return chr < b[idx]
}
}
return true
}
//UTF82GBK : transform UTF8 rune into GBK byte array
func UTF82GBK(src string) ([]byte, error) {
GB18030 := simplifiedchinese.All[0]
return ioutil.ReadAll(transform.NewReader(bytes.NewReader([]byte(src)), GB18030.NewEncoder()))
}
//GBK2UTF8 : transform GBK byte array into UTF8 string
func GBK2UTF8(src []byte) (string, error) {
GB18030 := simplifiedchinese.All[0]
bytes, err := ioutil.ReadAll(transform.NewReader(bytes.NewReader(src), GB18030.NewDecoder()))
return string(bytes), err
}
func main() {
fmt.Println("排序开始=======>")
b := []string{"最后","哈", "呼", "嚯", "ha", ",","恐龙","的看的","刘","张三","曾哥","12","da","55","---"}
sort.Strings(b)
//output: [, ha 呼 哈 嚯]
fmt.Println("Default sort: ", b)
sort.Sort(ByPinyin(b))
//output: [, ha 哈 呼 嚯]
fmt.Println("By Pinyin sort: ", b)
}
/*
排序开始=======>
Default sort: [, --- 12 55 da ha 刘 呼 哈 嚯 张三 恐龙 曾哥 最后 的看的]
By Pinyin sort: [, --- 12 55 da ha 的看的 哈 呼 恐龙 刘 曾哥 张三 最后 嚯]*/