From f2658aff342c5b8bd202241b10147af900063af5 Mon Sep 17 00:00:00 2001 From: "Ray.Hao" <1490493387@qq.com> Date: Sat, 12 Oct 2024 14:17:11 +0800 Subject: [PATCH] =?UTF-8?q?fix:=20=E8=8E=B7=E5=8F=96=E6=8E=A5=E5=8F=A3?= =?UTF-8?q?=E6=96=87=E6=A1=A3=E4=BF=A1=E6=81=AF=E4=BF=A1=E6=81=AF=E6=8E=A5?= =?UTF-8?q?=E5=8F=A3=E8=BF=94=E5=9B=9E=E9=9D=9EJSON=E6=A0=BC=E5=BC=8F?= =?UTF-8?q?=E9=97=AE=E9=A2=98=E4=BF=AE=E5=A4=8D?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../java/com/youlai/boot/config/WebMvcConfig.java | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/src/main/java/com/youlai/boot/config/WebMvcConfig.java b/src/main/java/com/youlai/boot/config/WebMvcConfig.java index d448500b..bcf23664 100644 --- a/src/main/java/com/youlai/boot/config/WebMvcConfig.java +++ b/src/main/java/com/youlai/boot/config/WebMvcConfig.java @@ -14,12 +14,15 @@ import org.hibernate.validator.HibernateValidator; import org.springframework.beans.factory.config.AutowireCapableBeanFactory; 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.http.converter.StringHttpMessageConverter; import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter; import org.springframework.validation.beanvalidation.SpringConstraintValidatorFactory; import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; import java.math.BigInteger; +import java.util.Collections; import java.util.List; /** @@ -32,25 +35,27 @@ import java.util.List; @Slf4j public class WebMvcConfig implements WebMvcConfigurer { + /** + * 配置消息转换器 + * + * @param converters 消息转换器列表 + */ @Override public void configureMessageConverters(List> converters) { MappingJackson2HttpMessageConverter jackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter(); ObjectMapper objectMapper = jackson2HttpMessageConverter.getObjectMapper(); objectMapper.registerModule(new JavaTimeModule()); - objectMapper.configure(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES, true); objectMapper.configure(SerializationFeature.WRITE_ENUMS_USING_TO_STRING, true); - // 后台Long值传递给前端精度丢失问题（JS最大精度整数是Math.pow(2,53)） + // 处理 Long 和 BigInteger 类型，避免前端精度丢失问题 SimpleModule simpleModule = new SimpleModule(); simpleModule.addSerializer(Long.class, ToStringSerializer.instance); simpleModule.addSerializer(BigInteger.class, ToStringSerializer.instance); objectMapper.registerModule(simpleModule); jackson2HttpMessageConverter.setObjectMapper(objectMapper); - - // 把 Jackson 的转换器放到最前面，确保优先使用 - converters.add(0, jackson2HttpMessageConverter); + converters.add(1, jackson2HttpMessageConverter); } /**