Java允许跨域和自定义请求header
2021/8/24 17:06:50
本文主要是介绍Java允许跨域和自定义请求header,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
1 package com.ywy.util.filter; 2 3 import org.springframework.stereotype.Component; 4 import org.springframework.web.filter.OncePerRequestFilter; 5 6 import javax.servlet.FilterChain; 7 import javax.servlet.ServletException; 8 import javax.servlet.http.HttpServletRequest; 9 import javax.servlet.http.HttpServletResponse; 10 import java.io.IOException; 11 12 /** 13 * @Description 允许跨域配置 14 * @Author ywy 15 * @Date 2021/8/17 10:43 16 */ 17 @Component 18 public class CorsFilter extends OncePerRequestFilter { 19 20 @Override 21 protected void doFilterInternal( 22 HttpServletRequest httpServletRequest, 23 HttpServletResponse httpServletResponse, 24 FilterChain filterChain) throws ServletException, IOException { 25 httpServletResponse.addHeader("Access-Control-Allow-Origin", "*"); 26 httpServletResponse.addHeader("Access-Control-Allow-Headers", "isA"); 27 httpServletResponse.addHeader("Access-Control-Allow-Headers", "isB"); 28 filterChain.doFilter(httpServletRequest, httpServletResponse); 29 } 30 31 }
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