解决vue跨域问题

package com.qmtt.config;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletResponse;

/**
 * @author admin 自定义过滤器
 */
@WebFilter(urlPatterns = "/*", filterName = "corsFilter")
public class CorsFilter implements Filter {

    @Override
    public void destroy() {
    }

    @Override
    public void doFilter(ServletRequest req, ServletResponse rep, FilterChain chain) throws IOException, ServletException {
        HttpServletResponse response = (HttpServletResponse) rep;
        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Access-Control-Allow-Credentials", "true");
        // response.setHeader("Access-Control-Allow-Methods", "POST, GET,
        // OPTIONS, DELETE");
        response.setHeader("Access-Control-Allow-Methods", "*");
        response.setHeader("Access-Control-Max-Age", "3600");
        // response.setHeader("Access-Control-Allow-Headers", "*");
        response.setHeader("Access-Control-Allow-Headers",
                "Content-Type, Access-Control-Allow-Headers, Authorization,X-Requested-With,openid,formId");
        chain.doFilter(req, response);
    }

    @Override
    public void init(FilterConfig arg0) throws ServletException {
    }

}

 

来源：oschina

链接：https://my.oschina.net/u/4323226/blog/3578555