java 跨域问题

解决跨域问题 so easy～～～～～

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Component;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

@Component
public class CORSInterceptor extends HandlerInterceptorAdapter {
　　@Override
　　public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

　　　　String originHeader = request.getHeader("Origin");
　　　　response.setHeader("Access-Control-Allow-Origin", originHeader);
　　　　response.addHeader("Access-Control-Allow-Headers",

"Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With,Accept,Origin,Referer,accessToken,token,code");

　　　　response.addHeader("Access-Control-Allow-Credentials", "true");
　　　　response.setHeader("Access-Control-Allow-Methods", "GET, HEAD, POST, PUT, DELETE, TRACE, OPTIONS, PATCH");

　　　　return true;
　　}

}