package org.springblade.common.interceptor;


import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

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

@Component
public class CorsInterceptor implements HandlerInterceptor {

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
		response.setHeader("Access-Control-Allow-Origin", "*");
		response.setHeader("Access-Control-Allow-Credentials", "true");
		response.setHeader("Access-Control-Allow-Methods", "GET, HEAD, POST, PUT, PATCH, DELETE, OPTIONS");
		response.setHeader("Access-Control-Max-Age", "86400");
		response.setHeader("Access-Control-Allow-Headers", "*");

		// 如果是OPTIONS则结束请求
		if (HttpMethod.OPTIONS.toString().equals(request.getMethod())) {
			response.setStatus(HttpStatus.NO_CONTENT.value());
			return false;
		}

		return true;
	}

}