java字符串长度
java字符串是Unicode字符集,UTF-16编码
String str="hello你好";
Log.d(TAG,"str.length:"+str.length());// 7
golang 字符串长度
golang 字符串是utf8编码
package main
import (
"fmt"
"unicode/utf8"
)
func main() {
count := utf8.RuneCountInString("hello你好")
fmt.Print(count) // 7
}