From 09872bd0b04348e253de493df15beedbe82afccb Mon Sep 17 00:00:00 2001
From: zhangdaiscott <zhangdaiscott@163.com>
Date: Tue, 14 Sep 2021 18:13:53 +0800
Subject: [PATCH] Long转json精度丢失的配置 未生效
---
jeecg-boot/jeecg-boot-base/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java | 28 ++++++++++++++++------------
1 file changed, 16 insertions(+), 12 deletions(-)
diff --git a/jeecg-boot/jeecg-boot-base/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java b/jeecg-boot/jeecg-boot-base/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java
index 9b2689d..bf35e01 100644
--- a/jeecg-boot/jeecg-boot-base/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java
+++ b/jeecg-boot/jeecg-boot-base/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java
@@ -1,15 +1,17 @@
package org.jeecg.config;
+import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import org.springframework.beans.factory.annotation.Value;
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.Conditional;
import org.springframework.context.annotation.Configuration;
-import org.springframework.http.converter.HttpMessageConverter;
-import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.context.annotation.Primary;
+import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
@@ -17,8 +19,6 @@ import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
-import java.util.List;
-
/**
* Spring Boot 2.0 解决跨域问题
*
@@ -71,20 +71,24 @@ public class WebMvcConfiguration implements WebMvcConfigurer {
return new CorsFilter(urlBasedCorsConfigurationSource);
}
+
/**
- * 添加Long转json精度丢失的配置
- * @Return: void
- */
- @Override
- public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
- MappingJackson2HttpMessageConverter jackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
+ * 序列换成json时,将所有的long变成string
+ * js中long过长精度丢失
+ */
+ @Bean
+ @Primary
+ @ConditionalOnMissingBean(ObjectMapper.class)
+ public ObjectMapper jacksonObjectMapper(Jackson2ObjectMapperBuilder builder) {
ObjectMapper objectMapper = new ObjectMapper();
SimpleModule simpleModule = new SimpleModule();
+ //忽略在json字符串中存在，在java类中不存在字段，防止错误。
+ objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+ objectMapper.configure(DeserializationFeature.READ_ENUMS_USING_TO_STRING, true);
simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
simpleModule.addSerializer(Long.TYPE, ToStringSerializer.instance);
objectMapper.registerModule(simpleModule);
- jackson2HttpMessageConverter.setObjectMapper(objectMapper);
- converters.add(jackson2HttpMessageConverter);
+ return objectMapper;
}
/**
--
libgit2 0.22.2