@WebFilter(filterName = "DomeFilter",urlPatterns = "/*") public class DomeFilter implements Filter { public void destroy() { System.out.println("过滤器被销毁"); } public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws ServletException, IOException { chain.doFilter(req, resp); HttpServletRequest request = (HttpServletRequest) req; HttpServletResponse response = (HttpServletResponse) resp; response.addHeader("Access-Control-Allow-Origin","*"); resp.setContentType("text/html;charset=utf-8"); System.out.println("过滤器被执行"); } public void init(FilterConfig config) throws ServletException { System.out.println("过滤器被创建"); } }
创建过滤器及代码
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转载自blog.csdn.net/qq_41961660/article/details/80685267
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