在过滤器中设置响应头
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/**
* Description TODO 在过滤器中设置响应头
*/
@Component
public class CrossDomainFilter implements Filter
{
private static Logger logger = LoggerFactory
.getLogger(CrossDomainFilter.class);
@Override
public void destroy()
{
}
@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException
{
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse rep = (HttpServletResponse) response;
//设置允许跨域的配置
// 这里填写你允许进行跨域的主机ip(正式上线时可以动态配置具体允许的域名和IP)
rep.setHeader("Access-Control-Allow-Origin", req.getHeader("Origin"));
rep.setHeader("Access-Control-Allow-Origin", "*");
// 允许的访问方法
rep.setHeader("Access-Control-Allow-Methods", "POST, GET, PUT, OPTIONS, DELETE, PATCH");
// Access-Control-Max-Age 用于 CORS 相关配置的缓存
rep.setHeader("Access-Control-Max-Age", "3600");
rep.setHeader("Access-Control-Allow-Headers", "token,Origin, X-Requested-With, Content-Type, Accept");
response.setCharacterEncoding("UTF-8");
response.setContentType("application/json; charset=utf-8");
String token = req.getHeader("token");//header方式
//ResultInfo resultInfo = new ResultInfo();
boolean isFilter = false;
String method = ((HttpServletRequest) request).getMethod();
rep.setStatus(HttpServletResponse.SC_OK);
chain.doFilter(request, response);
}
@Override
public void init(FilterConfig arg0) throws ServletException
{
}
}