标签:fastjson fastJsonHttpMessageConverter JAVA 跨域 后端 springframework SerializerFeatu
JAVA后端如何解决跨域问题
import com.alibaba.fastjson.parser.Feature;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
import org.springframework.boot.actuate.endpoint.http.ActuatorMediaType;
import org.springframework.boot.web.servlet.ServletComponentScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.List;
/**
* @author 21029045
* Created on 2021/11/25.
*/
@Configuration
@ServletComponentScan("xxxxxxxxx")
public class WebConfigurer implements WebMvcConfigurer {
@Override
public void addCorsMappings(CorsRegistry registry) {
registry.addMapping("/**")
.allowedOrigins("*")
.allowedHeaders("*")
.allowedMethods("*")
.maxAge(3600);
}
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
converters.add(httpMessageConverter());
}
@Bean
protected HttpMessageConverter<?> httpMessageConverter() {
FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter();
FastJsonConfig fastJsonConfig = new FastJsonConfig();
fastJsonConfig.setFeatures(Feature.UseBigDecimal);
fastJsonConfig.setSerializerFeatures(
SerializerFeature.WriteDateUseDateFormat,
SerializerFeature.WriteNullListAsEmpty,
SerializerFeature.WriteNullStringAsEmpty,
SerializerFeature.WriteNullBooleanAsFalse,
SerializerFeature.WriteMapNullValue);
fastJsonHttpMessageConverter.setFastJsonConfig(fastJsonConfig);
fastJsonHttpMessageConverter.setSupportedMediaTypes(Arrays.asList(MediaType.APPLICATION_JSON, MediaType.parseMediaType(ActuatorMediaType.V2_JSON), MediaType.parseMediaType(ActuatorMediaType.V1_JSON)));
fastJsonHttpMessageConverter.setDefaultCharset(StandardCharsets.UTF_8);
return fastJsonHttpMessageConverter;
}
}
标签:fastjson,fastJsonHttpMessageConverter,JAVA,跨域,后端,springframework,SerializerFeatu 来源: https://blog.csdn.net/WUZHICAICHAN/article/details/121544228
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