/*** 使HTML的标签失去作用* * @param input*            被操作的字符串* @return String*/public static final String escapeHTMLTag(String input) {if (input == null) {input = "";return input;}input = input.trim().replaceAll("&", "&");input = input.trim().replaceAll("<", "<");input = input.trim().replaceAll(">", ">");input = input.trim().replaceAll("\t", "    ");input = input.trim().replaceAll("\r\n", "\n");input = input.trim().replaceAll("\n", "<br>");input = input.trim().replaceAll("  ", "  ");input = input.trim().replaceAll("'", "'");input = input.trim().replaceAll("\\\\", "\");return input;}