Java 計算含有漢字字串長度__java

package com.youku.paycenter.admin.subGate.service.impl;

import java.io.UnsupportedEncodingException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class TestString
{

public static final String CHINESE_REG_EXP = "[\u4e00-\u9fa5]";public static void main(String[] args) throws UnsupportedEncodingException{    String s = "故人西辭黃鶴樓，煙花三月下揚州；孤帆遠影碧空盡，唯見長江天際流。故人西辭黃鶴樓，煙花三月下揚州；孤帆遠影碧空盡，唯見長江天際流。故人西辭黃鶴樓，煙花三月下揚州；孤帆遠影碧空盡，唯見長江天際流。故人西辭黃鶴樓，煙花三月下揚州；孤帆遠影碧空盡，唯見長江天際流。故人西辭黃鶴樓，煙花三月下揚州；孤帆遠影碧空盡，唯見長江天際流。故人西辭黃鶴樓，煙花三月下揚州；孤帆遠影碧空盡，唯見長江天際流。故人西辭黃鶴樓，abc";    if(isChineseChar(s))    {        char[] c_array = s.toCharArray();        String c_string = null;        byte[] c_byte_array;        int chineseCount = 0;        int normalCount = 0;        for (char c : c_array)        {            c_string = Character.toString(c);            c_byte_array = c_string.getBytes("UTF-8");            if(c_byte_array.length>1)            {                chineseCount++;            }            else            {                normalCount++;            }        }        System.out.println(chineseCount+normalCount);    }}public static boolean isChineseChar(String str){    if (str == null) return false;    boolean temp = false;    Pattern p = Pattern.compile(CHINESE_REG_EXP);    Matcher m = p.matcher(str);    if (m.find())    {        temp = true;    }    return temp;}

}