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package tech.easyflow.autoconfig.config ;
import org.springframework.web.cors.CorsConfiguration ;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource ;
import org.springframework.web.filter.CorsFilter ;
import tech.easyflow.common.util.SpringContextUtil ;
import tech.easyflow.common.web.error.GlobalErrorResolver ;
import tech.easyflow.common.dict.DictManager ;
import com.alibaba.fastjson.serializer.SerializerFeature ;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter ;
import org.springframework.boot.context.event.ApplicationReadyEvent ;
import org.springframework.context.annotation.Bean ;
import org.springframework.context.annotation.Configuration ;
import org.springframework.context.event.EventListener ;
import org.springframework.http.MediaType ;
import org.springframework.http.converter.HttpMessageConverter ;
import org.springframework.web.servlet.HandlerExceptionResolver ;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer ;
import java.util.Collections ;
import java.util.List ;
@Configuration
public class WebConfig implements WebMvcConfigurer {
@Override
public void configureMessageConverters ( List < HttpMessageConverter < ? > > converters ) {
converters . removeIf ( httpMessageConverter - > {
List < MediaType > supportedMediaTypes = httpMessageConverter . getSupportedMediaTypes ( ) ;
return supportedMediaTypes . contains ( MediaType . APPLICATION_JSON ) ;
} ) ;
//使用 fastjson 进行序列化
FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter ( ) ;
//设置兼容 web， ，
fastJsonHttpMessageConverter . getFastJsonConfig ( ) . setSerializerFeatures (
SerializerFeature . BrowserCompatible , //bigInteger 等自适应浏览器
SerializerFeature . DisableCircularReferenceDetect //取消循环引用的，否则当有应用一个对象时，使用 $ref 替代
) ;
converters . add ( fastJsonHttpMessageConverter ) ;
}
@Override
public void configureHandlerExceptionResolvers ( List < HandlerExceptionResolver > resolvers ) {
resolvers . add ( new GlobalErrorResolver ( ) ) ;
}
@Bean
public org . springframework . web . filter . CorsFilter getCorsFilter ( ) {
CorsConfiguration cors = new CorsConfiguration ( ) ;
// 1,允许任何来源
// springboot2.4后， ，
// allowingOrigins不能包含特殊值"*"，因为无法在“ Access-Control-Allow-Origin”响应标头上设置。
// 要允许凭据具有一组来源，请明确列出它们或考虑改用"allowedOriginPatterns"。
cors . setAllowedOriginPatterns ( Collections . singletonList ( " * " ) ) ;
//2,允许任何请求头
cors . addAllowedHeader ( CorsConfiguration . ALL ) ;
//3,允许任何方法
cors . addAllowedMethod ( CorsConfiguration . ALL ) ;
//4,允许凭证
cors . setAllowCredentials ( true ) ;
UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource ( ) ;
source . registerCorsConfiguration ( " /** " , cors ) ;
return new CorsFilter ( source ) ;
}
@EventListener ( ApplicationReadyEvent . class )
public void onApplicationStartup ( ) {
DictManager dictManager = SpringContextUtil . getBean ( DictManager . class ) ;
System . out . println ( " onApplicationStartup >>>>>> " + dictManager ) ;
}
}
