web.xml
<!-- 跨域拦截设置-->
<filter>
<filter-name>CorsFilter</filter-name>
<filter-class>com.java.CorsFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>CorsFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
class：
/**
*解决跨域
*/
public class CorsFilter extends OncePerRequestFilter {
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
response.addHeader("Access-Control-Allow-Origin", "*");
response.addHeader("Access-Control-Allow-Methods",
"GET, POST, PUT, DELETE, OPTIONS");
response.addHeader("Access-Control-Allow-Headers",
"Origin, X-Requested-With, Content-Type, Accept, Connection, User-Agent, Cookie");
response.addHeader("Access-Control-Allow-Credentials", "true");
filterChain.doFilter(request, response);
}
}
