springboot实现跨域访问

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当前使用spring版本是4.3.9

import org.springframework.stereotype.Component;import javax.servlet.*;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.IOException;@Componentpublic class CorsFilter implements Filter {    @Override    public void init(FilterConfig filterConfig) throws ServletException {    }    @Override    public void doFilter(ServletRequest servletRequest,                         ServletResponse servletResponse,                         FilterChain filterChain) throws IOException, ServletException {        HttpServletRequest request = (HttpServletRequest) servletRequest;        HttpServletResponse response = (HttpServletResponse) servletResponse;        response.setHeader("Access-Control-Allow-Origin", request.getHeader("origin"));//        response.setHeader("Access-Control-Allow-Origin", "*");//允许跨域访问的域        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");//允许使用的请求方法，以逗号隔开        response.setHeader("Access-Control-Max-Age", "3600");// 缓存此次请求的秒数        //允许使用的请求方法，以逗号隔开        response.setHeader("Access-Control-Allow-Headers", "x-requested-with,Cache-Control,Pragma,Content-Type,Token");        response.setHeader("Access-Control-Allow-Credentials","true");//是否允许请求带有验证信息        filterChain.doFilter(servletRequest, servletResponse);    }    @Override    public void destroy() {    }}

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