ssm解决跨域问题

CorsFilter.class

public class CorsFilter implements Filter
{

    @Override
    public void destroy()
    {
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
        throws IOException, ServletException
    {
        HttpServletResponse response = (HttpServletResponse) servletResponse;


        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
        response.setHeader("Access-Control-Max-Age", "0");
        response.setHeader("Access-Control-Allow-Headers",
                "Origin, No-Cache, X-Requested-With, If-Modified-Since, Pragma, Last-Modified, Cache-Control, Expires, Content-Type, X-E4M-With,userId,token");
        response.setHeader("Access-Control-Allow-Credentials", "true");
        response.setHeader("XDomainRequestAllowed", "1");


        filterChain.doFilter(servletRequest, servletResponse);

    }


    @Override
    public void init(FilterConfig arg0)
        throws ServletException
    {

    }

}

web.xml中配置

 <!-- Cos过滤 org.apache.catalina.filters.CorsFilter-->
	<filter>
       <filter-name>corsFilter</filter-name>
       <filter-class>com.videoweb.filter.CorsFilter</filter-class>
     </filter>
     <filter-mapping>
       <filter-name>corsFilter</filter-name>
       <url-pattern>/*</url-pattern>
     </filter-mapping>
``