解决思路
只要在过滤器中获取到需要的头信息让后再将其向下转发就可以了。
具体的zuul过滤器代码如下:
zuul网关中过滤器内容介绍
package com.diplomaproject.web.filter;
import com.netflix.zuul.ZuulFilter;
import com.netflix.zuul.context.RequestContext;
import com.netflix.zuul.exception.ZuulException;
import org.springframework.stereotype.Component;
import javax.servlet.http.HttpServletRequest;
@Component
public class WebFilter extends ZuulFilter {
@Override
public String filterType() {
return "pre";
}
@Override
public int filterOrder() {
return 0;
}
@Override
public boolean shouldFilter() {
return true;
}
@Override
public Object run() throws ZuulException {
//得到request上下文
RequestContext currentContext = RequestContext.getCurrentContext();
//得到request域
HttpServletRequest request = currentContext.getRequest();
//得到头信息(填写你需要的头信息)
String authorization = request.getHeader("Authorization");
System.out.println("webfilter中获得的头信息="+authorization);
//判断是否有
if(authorization!=null&&"".equals(authorization)) {
//将头信息继续向下传送
currentContext.addZuulRequestHeader("Authorization",authorization);
}
return null;
}
}