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;
@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() {
}
}
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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
*/
@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" , "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() {}
}
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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);
}
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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