Java精确判断一个字符串是否有中文

public class IsChineseOrNot {  
  
    // GENERAL_PUNCTUATION 判断中文的“号  
    // CJK_SYMBOLS_AND_PUNCTUATION 判断中文的。号  
    // HALFWIDTH_AND_FULLWIDTH_FORMS 判断中文的，号  
    private static final boolean isChinese(char c) {  
        Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);  
        if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS  
                || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS  
                || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A  
                || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION  
                || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION  
                || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {  
            return true;  
        }  
        return false;  
    }  
  
    public static final boolean isChinese(String strName) {  
        char[] ch = strName.toCharArray();  
        for (int i = 0; i < ch.length; i++) {  
            char c = ch[i];  
            if (isChinese(c)) {  
                return true;  
            }  
        }  
        return false;  
    }  
  
    public static void main(String[] args) {  
        System.out.println(isChinese("き"));  
        System.out.println(isChinese("test,.?!%^&*(){}[]"));  
        System.out.println(isChinese("测试"));  
        System.out.println(isChinese("“测试”，。？！%……&*（）——{}【】”"));  
    }  
  
    public static final boolean isChineseCharacter(String chineseStr) {  
        char[] charArray = chineseStr.toCharArray();  
        for (int i = 0; i < charArray.length; i++) {  
            if ((charArray[i] >= 0x4e00) && (charArray[i] <= 0x9fbb)) {  
                return true;  
            }  
        }  
        return false;  
    }  
  
    /** 
     * @deprecated; 弃用。和方法isChineseCharacter比效率太低。 
     * */  
    public static final boolean isChineseCharacter_f2() {  
        String str = "！？";  
        for (int i = 0; i < str.length(); i++) {  
            if (str.substring(i, i + 1).matches("[\\u4e00-\\u9fbb]+")) {  
                return true;  
            }  
        }  
        return false;  
    }  
}