Spring Boot实现跨域访问实现代码
发布时间:2020-12-14 19:50:05 所属栏目:Java 来源:网络整理
导读:当前使用spring版本是4.3.9 import org.springframework.stereotype.Component;import javax.servlet.*;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.IOException;@Componentpublic class C
当前使用spring版本是4.3.9 import org.springframework.stereotype.Component; import javax.servlet.*; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; @Component 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 { 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 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 */ @Component public 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",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: 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编程小技巧网站的支持! 您可能感兴趣的文章:
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