js,跨域请求资源,js服务器资源tomcat服务器提供的接口，不能在其他域中访问的时候，需要增 Access-Control-Allow-Origin:* 以下操作均在需要被访问的项目中设置 1、编写拦截器代码 package com.soft.filter;/** * Created by Administrator on 2017/2/6. */import javax.servlet.*;import javax.servlet.http.HttpServletResponse;import java.io.IOException;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", "*"); filterChain.doFilter(servletRequest, servletResponse); } @Override public void destroy() { }}2、配置web.xml <filter> <filter-name>CorsFilter</filter-name> <filter-class>com.omiaozu.manager.filter.CORSFilter</filter-class></filter><filter-mapping> <filter-name>CorsFilter</filter-name> <url-pattern>/*</url-pattern></filter-mapping>
js,跨域请求资源,js服务器资源
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