Spring Boot : CROS解决跨域问题

傷城~ 2022-06-01 23:27 329阅读 0赞

package com.yanshu.util;  
  
  
import org.springframework.context.annotation.Configuration;  
import org.springframework.validation.beanvalidation.MethodValidationPostProcessor;  
  
  
import javax.servlet.http.HttpServletRequest;  
import javax.servlet.http.HttpServletResponse;  
  
  
import org.apache.log4j.Logger;  
import org.springframework.web.servlet.ModelAndView;  
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;  
import org.springframework.context.annotation.Bean;  
import org.springframework.context.annotation.Configuration;  
import org.springframework.web.cors.CorsConfiguration;  
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;  
import org.springframework.web.filter.CorsFilter;  
import org.springframework.boot.web.servlet.FilterRegistrationBean;  
/\*\*  
 \* 解决跨域问题  
 \* @return  
 \*/  
@Configuration  
public class BeanConfiguration \{  
  
  
private static final Logger LOG = Logger.getLogger(BeanConfiguration.class);  
  
    @Bean  
    public CorsFilter corsFilter() \{  
        final UrlBasedCorsConfigurationSource urlBasedCorsConfigurationSource = new UrlBasedCorsConfigurationSource();  
        final CorsConfiguration corsConfiguration = new CorsConfiguration();  
        corsConfiguration.setAllowCredentials(true);  
        corsConfiguration.addAllowedOrigin("\*");  
        corsConfiguration.addAllowedHeader("\*");  
        corsConfiguration.addAllowedMethod("\*");  
        urlBasedCorsConfigurationSource.registerCorsConfiguration("/\*\*", corsConfiguration);  
        return new CorsFilter(urlBasedCorsConfigurationSource);  
          
          
    \}  
    /\*\*  
     \* 开启方法参数校验  
     \* @return  
     \*/  
    @Bean  
    public MethodValidationPostProcessor parameterVerify()\{  
        return new MethodValidationPostProcessor();  
    \}

\---------------------

/\*\*  
 \*   
 \*/  
package com.yanshu.util;  
  
  
import javax.servlet.http.HttpServletRequest;  
import javax.servlet.http.HttpServletResponse;  
  
  
import org.apache.log4j.Logger;  
import org.springframework.web.servlet.ModelAndView;  
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;  
/\*\*  
 \* 采用添加拦截器的方式对请求添加跨域访问的头，允许跨域访问。  
 \* @author Administrator  
 \*  
 \*/  
public class CommonInterceptor extends HandlerInterceptorAdapter \{  
private final static  Logger logger = Logger.getLogger(CommonInterceptor.class);  
@Override  
   public boolean preHandle(HttpServletRequest request,HttpServletResponse response, Object handler) throws Exception \{  
       logger.info("添加跨域访问头配置，Access-Control-Allow-Origin:\*");  
       //跨域访问CORS  
       response.addHeader("Access-Control-Allow-Origin", "\*");  
       response.addHeader("Access-Control-Allow-Methods", "POST,GET,OPTIONS,PUT,DELETE,HEAD");  
       response.addHeader("Access-Control-Allow-Headers", "S\_ID,content-type");  
       response.addHeader("Access-Control-Max-Age", "3600000");  
       response.addHeader("Access-Control-Allow-Credentials", "true");  
         
       //让请求，不被缓存，  
       response.setHeader("Cache-Control", "no-cache");    
       response.setHeader("Cache-Control", "no-store");    
       response.setHeader("Pragma", "no-cache");    
       response.setDateHeader("Expires", 0);   
         
       logger.debug("==================================preHandle");  
       return true;  
   \}  
@Override  
   public void postHandle(HttpServletRequest request,  
           HttpServletResponse response, Object handler,  
           ModelAndView modelAndView) throws Exception \{  
       logger.debug("==================================postHandle");  
   \}  
     
     
   @Override  
   public void afterCompletion(HttpServletRequest request,  
           HttpServletResponse response, Object handler, Exception ex)  
           throws Exception \{  
       logger.debug("==================================afterCompletion");  
   \}  
  
  
  
  
  
  
\}

\-------------------

package com.yanshu.util;  
  
  
import org.springframework.context.annotation.ComponentScan;  
import org.springframework.context.annotation.Configuration;  
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;  
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;  
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;  
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;  
/\*\*  
 \*Spring Boot : CROS解决跨域问题   
 \* @author Administrator  
 \*  
 \*/  
@ComponentScan  
@Configuration  
public class WebMvcConfig extends WebMvcConfigurerAdapter \{  
@Override  
   public void addInterceptors(InterceptorRegistry registry) \{  
       // TODO Auto-generated method stub  
       registry.addInterceptor(new CommonInterceptor()).addPathPatterns("/getDOC");  
       System.out.println("----Spring Boot : CROS解决跨域问题---");  
   \}  
\}