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Long转json精度丢失的配置 未生效issues/I49DNI

pull/3100/head
zhangdaiscott 2021-09-14 16:32:31 +08:00
parent 8f9f27c550
commit 537cc05601
1 changed files with 12 additions and 12 deletions
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24
jeecg-boot/jeecg-boot-base/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java
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@ -5,11 +5,12 @@ import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer; import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import org.springframework.beans.factory.annotation.Value; import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.actuate.trace.http.InMemoryHttpTraceRepository; import org.springframework.boot.actuate.trace.http.InMemoryHttpTraceRepository;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional; import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter; import org.springframework.context.annotation.Primary;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter; import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import org.springframework.web.cors.CorsConfiguration; import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource; import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter; import org.springframework.web.filter.CorsFilter;
@ -17,8 +18,6 @@ import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry; import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import java.util.List;
/** /**
* Spring Boot 2.0 解决跨域问题 * Spring Boot 2.0 解决跨域问题
* *
@ -71,20 +70,21 @@ public class WebMvcConfiguration implements WebMvcConfigurer {
return new CorsFilter(urlBasedCorsConfigurationSource); return new CorsFilter(urlBasedCorsConfigurationSource);
} }
/** /**
* 添加Long转json精度丢失的配置 * 序列换成json时,将所有的long变成string
* @Return: void * js中long过长精度丢失
*/ */
@Override @Bean
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) { @Primary
MappingJackson2HttpMessageConverter jackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter(); @ConditionalOnMissingBean(ObjectMapper.class)
public ObjectMapper jacksonObjectMapper(Jackson2ObjectMapperBuilder builder) {
ObjectMapper objectMapper = new ObjectMapper(); ObjectMapper objectMapper = new ObjectMapper();
SimpleModule simpleModule = new SimpleModule(); SimpleModule simpleModule = new SimpleModule();
simpleModule.addSerializer(Long.class, ToStringSerializer.instance); simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
simpleModule.addSerializer(Long.TYPE, ToStringSerializer.instance); simpleModule.addSerializer(Long.TYPE, ToStringSerializer.instance);
objectMapper.registerModule(simpleModule); objectMapper.registerModule(simpleModule);
jackson2HttpMessageConverter.setObjectMapper(objectMapper); return objectMapper;
converters.add(jackson2HttpMessageConverter);
} }
/** /**