From 8a88f90367f22dc645ec711ebe9bf089dd357240 Mon Sep 17 00:00:00 2001
From: zhengjie <zhengjie@tom.com>
Date: Mon, 22 Apr 2019 15:53:57 +0800
Subject: [PATCH] =?UTF-8?q?=E5=9C=A8System=E6=A8=A1=E5=9D=97=E7=9A=84Confi?=
 =?UTF-8?q?gurerAdapter=E7=B1=BB=E4=B8=AD=E6=B7=BB=E5=8A=A0=20=E8=A7=A3?=
 =?UTF-8?q?=E5=86=B3Long=20=E7=B1=BB=E5=9E=8B=E5=9C=A8=20=E5=89=8D?=
 =?UTF-8?q?=E7=AB=AF=E7=B2=BE=E5=BA=A6=E4=B8=A2=E5=A4=B1=E7=9A=84=E5=AE=9E?=
 =?UTF-8?q?=E7=8E=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../me/zhengjie/config/ConfigurerAdapter.java | 28 +++++++++++++++++++
 .../modules/system/service/dto/DictDTO.java   |  1 -
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/eladmin-system/src/main/java/me/zhengjie/config/ConfigurerAdapter.java b/eladmin-system/src/main/java/me/zhengjie/config/ConfigurerAdapter.java
index 848c527a..01df206a 100644
--- a/eladmin-system/src/main/java/me/zhengjie/config/ConfigurerAdapter.java
+++ b/eladmin-system/src/main/java/me/zhengjie/config/ConfigurerAdapter.java
@@ -1,10 +1,19 @@
 package me.zhengjie.config;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.converter.StringHttpMessageConverter;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
 import org.springframework.web.servlet.config.annotation.CorsRegistry;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+import java.math.BigInteger;
+import java.nio.charset.Charset;
+import java.util.List;
 
 /**
  * WebMvcConfigurer
@@ -26,6 +35,25 @@ public class ConfigurerAdapter implements WebMvcConfigurer {
 
     }
 
+// 可解决Long 类型在 前端精度丢失的问题， 如不想全局 直接添加注解 @JsonSerialize(using= ToStringSerializer.class) 到相应的字段上
+
+//    @Override
+//    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
+//
+//        MappingJackson2HttpMessageConverter jackson2HttpMessageConverter =
+//                new MappingJackson2HttpMessageConverter();
+//
+//        ObjectMapper objectMapper = new ObjectMapper();
+//        SimpleModule simpleModule = new SimpleModule();
+//        simpleModule.addSerializer(BigInteger.class, ToStringSerializer.instance);
+//        simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
+//        simpleModule.addSerializer(Long.TYPE, ToStringSerializer.instance);
+//        objectMapper.registerModule(simpleModule);
+//        jackson2HttpMessageConverter.setObjectMapper(objectMapper);
+//        converters.add(jackson2HttpMessageConverter);
+//        converters.add(new StringHttpMessageConverter(Charset.forName("UTF-8")));
+//    }
+
     @Override
     public void addResourceHandlers(ResourceHandlerRegistry registry) {
         registry.addResourceHandler("/**").addResourceLocations("classpath:/META-INF/resources/").setCachePeriod(0);
diff --git a/eladmin-system/src/main/java/me/zhengjie/modules/system/service/dto/DictDTO.java b/eladmin-system/src/main/java/me/zhengjie/modules/system/service/dto/DictDTO.java
index 623ac625..38f38596 100644
--- a/eladmin-system/src/main/java/me/zhengjie/modules/system/service/dto/DictDTO.java
+++ b/eladmin-system/src/main/java/me/zhengjie/modules/system/service/dto/DictDTO.java
@@ -1,7 +1,6 @@
 package me.zhengjie.modules.system.service.dto;
 
 import lombok.Data;
-import java.sql.Timestamp;
 import java.io.Serializable;
 
 /**