当前使用spring版本是4.3.9
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import org.springframework.stereotype.Component;import javax.servlet.*;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.IOException;@Componentpublic 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 { HttpServletRequest request = (HttpServletRequest) servletRequest; HttpServletResponse response = (HttpServletResponse) servletResponse; response.setHeader("Access-Control-Allow-Origin", request.getHeader("origin"));// response.setHeader("Access-Control-Allow-Origin", "*");//允许跨域访问的域 response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");//允许使用的请求方法，以逗号隔开 response.setHeader("Access-Control-Max-Age", "3600");// 缓存此次请求的秒数 //允许使用的请求方法，以逗号隔开 response.setHeader("Access-Control-Allow-Headers", "x-requested-with,Cache-Control,Pragma,Content-Type,Token"); response.setHeader("Access-Control-Allow-Credentials","true");//是否允许请求带有验证信息 filterChain.doFilter(servletRequest, servletResponse); } @Override public void destroy() { }} |
PS： spring boot 服务器端设置允许跨域访问
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import org.springframework.stereotype.Component; import javax.servlet.*; import javax.servlet.http.HttpServletResponse; import java.io.IOException; /** * * 跨域过滤器 * @author meng * @version * @since 2016年6月19日 */@Componentpublic class CorsFilter implements Filter { final static org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(CorsFilter.class); 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"); System.out.println("*********************************过滤器被使用**************************"); chain.doFilter(req, res); } public void init(FilterConfig filterConfig) {} public void destroy() {} } |
2017-04-13更新：
第二种方法，在Appplication.java添加：
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private CorsConfiguration buildConfig() { CorsConfiguration corsConfiguration = new CorsConfiguration(); corsConfiguration.addAllowedOrigin("*"); corsConfiguration.addAllowedHeader("*"); corsConfiguration.addAllowedMethod("*"); return corsConfiguration; } /** * 跨域过滤器 * @return */ @Bean public CorsFilter corsFilter() { UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource(); source.registerCorsConfiguration("/**", buildConfig()); // 4 return new CorsFilter(source); } |
总结
以上所述是小编给大家介绍的Spring Boot实现跨域访问实现代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持！
原文链接：http://blog.csdn.net/lu_wei_wei/article/details/75620114
