FusionCharts显示中文要bom

byte[] utf8Bom = new byte[] { (byte) 0xef, (byte) 0xbb, (byte) 0xbf };
		String utf8BomStr = "";
		try {
			utf8BomStr = new String(utf8Bom, "UTF-8");// 定义BOM标记
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}