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

public class Test2 {

    final static Pattern p = Pattern.compile("[\u4e00-\u9fa5]");


    public static void main(String[] args) {


        boolean x = isContainChinese("s你好ss");
        System.out.println(x);


    }


    public static boolean isContainChinese(String str) {
 

        Matcher m = p.matcher(str);
        if (m.find()) {
            return true;
        }
        return false;
    }
}

判斷字符串是否包含漢字