在web.xml文件中加入以下内容:
<filter> <filter-name>CorsFilter</filter-name> <filter-class>cn.iqoo.api.filter.CorsFilter</filter-class> </filter> <filter-mapping> <filter-name>CorsFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
即可支持js的跨域请求了.
第二
/*
* @Project_Name: iqoo-parent
* @File_Name: CorsFilter
* @Package_Name: cn.iqoo.api.filter
* @Date: 17-3-2 下午10:41
* @Creator: jonath
* @Line: ----------------------------------------
*/
package cn.iqoo.api.filter;
import javax.servlet.*;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/**
* TODO:
*
* @author: jonath
* @date: 17-3-2
*/
public class CorsFilter implements Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
HttpServletResponse httpResponse = (HttpServletResponse) servletResponse;
httpResponse.addHeader("Access-Control-Allow-Origin", "*");
httpResponse.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
httpResponse.setHeader("Access-Control-Allow-Methods", "GET, PUT, DELETE, POST");
filterChain.doFilter(servletRequest, servletResponse);
}
@Override
public void destroy() {
}
}