axios post请求跨域 Cros error，SpringBoot解决

前端代码

axios({
       method:'post',
       url:'http://127.0.0.1/login',
       data:{
         username:this.user.username,
         password:this.user.username
       }
     }).then(function(res){
        console.log(res.data.name);
      });

SpringBoot项目中加一个配置即可

package com.wechat.demo.config;

import org.springframework.context.annotation.Configuration;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;


@WebFilter(filterName = "CorsFilter")
@Configuration
public class CorsFilter implements Filter{
	
    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
        HttpServletResponse response = (HttpServletResponse) res;
        response.setHeader("Access-Control-Allow-Origin","*");
        response.setHeader("Access-Control-Allow-Credentials", "true");
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, PATCH, DELETE, PUT");
        response.setHeader("Access-Control-Max-Age", "3600");
        response.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
        chain.doFilter(req, res);
    }

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		
	}
	

}