判断字段是不是包含中文

/**
	 * 判断字段是否包含中文
	 * 
	 * @param str
	 * @return
	 */
	public boolean includeChinese(String str)
	{
		final int max = 0xff00;
		boolean isIncluCH = false;

		for (int i = 0; i < str.length(); i++)
		{
			char c = str.charAt(i);
			if ((c & max) != 0)
			{
				isIncluCH = true;
				break;
			}
		}

		return isIncluCH;
	}