判断字符串是否是乱码

/**
	 * 判断字符串是否是乱码
	 *
	 * @param strName
	 *            字符串
	 * @return 是否是乱码
	 */
	public static boolean isMessyCode(String strName) {
		String temp = strName.replaceAll("[0-9a-zA-Z\\p{P}\\s]", "");
//		System.out.println(temp);
		char[] ch = temp.toCharArray();
		for (int i = 0; i < ch.length; i++) {
			char c = ch[i];
			if (!isChinese(c)) {
				System.out.println(i + "" + temp.charAt(i) + "is not chinese");
				return true;
			} else {
//				System.out.println(i + "" + temp.charAt(i) + "is a chinese");
			}
		}
		return false;
	}

	/**
	 * 判断字符是否是中文
	 *
	 * @param c
	 *            字符
	 * @return 是否是中文
	 */
	public static 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;
	}