java 服务端解决ajax跨域问题

//过滤器方式 可以更改为拦截器方式
public class SimpleCORSFilter implements Filter {

    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {

        HttpServletResponse response = (HttpServletResponse) res;

        response.setHeader("Access-Control-Allow-Origin", "*");

        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");

        response.setHeader("Access-Control-Max-Age", "3600");

        response.setHeader("Access-Control-Allow-Headers", "x-requested-with");

        chain.doFilter(req, res);

    }

    public void init(FilterConfig filterConfig) {}

    public void destroy() {}

}

巴特西

java 服务端解决ajax跨域问题

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