[Spring] Spring Access-Control-Allow-Origin 설정

 

필터클래스를 하나 생성 후 아래 내용 작성

package 패키지명;

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.http.HttpServletResponse;


public class 클래스이름 implements Filter {
	public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) 
			throws IOException, ServletException 
	{ 
		HttpServletResponse response = (HttpServletResponse) res; 
		response.setHeader("Access-Control-Allow-Origin", "*"); //허용대상 도메인
		response.setHeader("Access-Control-Allow-Methods", "POST, GET, DELETE, PUT"); 
		response.setHeader("Access-Control-Max-Age", "3600"); 
		response.setHeader("Access-Control-Allow-Headers", "x-requested-with, origin, content-type, accept"); 
		chain.doFilter(req, res); 
	}
	public void init(FilterConfig filterConfig) {} 
	public void destroy() {}
}

 

web.xml에 아래 내용 추가

<!-- CORS setting -->
<filter>
    <filter-name>filterName</filter-name> 
    <filter-class>패키지.클래스이름</filter-class> 
</filter>
<filter-mapping> 
    <filter-name>filterName</filter-name> 
    <url-pattern>url</url-pattern>  //필터가 적용될 대상: url 패턴 작성
</filter-mapping>