非法字符过滤

  private String cleanXSS(String value)

    {

        value= value.replaceAll("<", "& lt;").replaceAll(">", "& gt;");

        value = value.replaceAll("\\(", "& #40;").replaceAll("\\)", "& #41;");

        value = value.replaceAll("'", "& #39;");

        value = value.replaceAll("eval\\((.*)\\)", "");

        value = value.replaceAll("[\\\"\\\'][\\s]*javascript:(.*)[\\\"\\\']", "\"\"");

        value = value.replaceAll("script", "");

        return value;

    }

http://my.oschina.net/jeffli1993/blog/373992