Java允许跨域和自定义请求header

package com.ywy.util.filter;

import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @Description 允许跨域配置
 * @Author ywy
 * @Date 2021/8/17 10:43
 */
@Component
public class CorsFilter extends OncePerRequestFilter {

    @Override
    protected void doFilterInternal(
            HttpServletRequest httpServletRequest,
            HttpServletResponse httpServletResponse,
            FilterChain filterChain) throws ServletException, IOException {
        httpServletResponse.addHeader("Access-Control-Allow-Origin", "*");
        httpServletResponse.addHeader("Access-Control-Allow-Headers", "isA");
        httpServletResponse.addHeader("Access-Control-Allow-Headers", "isB");
        filterChain.doFilter(httpServletRequest, httpServletResponse);
    }

}