@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", "3600"); response.setHeader("Access-Control-Allow-Headers", "x-requested-with,Authorization"); response.setHeader("Access-Control-Allow-Credentials", "true"); filterChain.doFilter(servletRequest, servletResponse); }
加了过滤器进行跨域配置,普通获取数据接口都没问题,可是如果服务器处理时间超过1分钟,就会报错,No 'Access-Control-Allow-Origin' header is present on the requested resource.