From f9967cca4ca696860986ccd3497bc5687b3544ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=96=AF=E7=8B=82=E7=9A=84=E7=8B=AE=E5=AD=90li?=
 <15040126243@163.com>
Date: Wed, 16 Jun 2021 17:41:48 +0800
Subject: [PATCH] =?UTF-8?q?fix=20=E7=A7=BB=E9=99=A4=20Long=20=E5=BA=8F?=
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---
 .../src/main/java/com/ruoyi/demo/domain/TestDemo.java    | 9 ++++++++-
 .../src/main/java/com/ruoyi/demo/domain/TestTree.java    | 6 ++++--
 .../java/com/ruoyi/framework/config/JacksonConfig.java   | 4 ----
 3 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/ruoyi-demo/src/main/java/com/ruoyi/demo/domain/TestDemo.java b/ruoyi-demo/src/main/java/com/ruoyi/demo/domain/TestDemo.java
index f03870699..a63cb4f75 100644
--- a/ruoyi-demo/src/main/java/com/ruoyi/demo/domain/TestDemo.java
+++ b/ruoyi-demo/src/main/java/com/ruoyi/demo/domain/TestDemo.java
@@ -1,6 +1,8 @@
 package com.ruoyi.demo.domain;
 
 import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 import lombok.experimental.Accessors;
@@ -23,8 +25,13 @@ public class TestDemo implements Serializable {
     private static final long serialVersionUID=1L;
 
 
-    /** 主键 */
+	/**
+	 * 主键
+	 * 如果是自定义id 或者 雪花id
+	 * 需要增加序列化为字符串注解 因为Long到前端会失真
+	 */
     @TableId(value = "id")
+	@JsonSerialize(using = ToStringSerializer.class)
     private Long id;
 
     /** 部门id */
diff --git a/ruoyi-demo/src/main/java/com/ruoyi/demo/domain/TestTree.java b/ruoyi-demo/src/main/java/com/ruoyi/demo/domain/TestTree.java
index 43d1efe5d..b9bd2ba65 100644
--- a/ruoyi-demo/src/main/java/com/ruoyi/demo/domain/TestTree.java
+++ b/ruoyi-demo/src/main/java/com/ruoyi/demo/domain/TestTree.java
@@ -1,13 +1,14 @@
 package com.ruoyi.demo.domain;
 
 import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 import lombok.experimental.Accessors;
+
 import java.io.Serializable;
 import java.util.Date;
-import java.math.BigDecimal;
-import com.ruoyi.common.annotation.Excel;
 
 /**
  * 测试树表对象 test_tree
@@ -26,6 +27,7 @@ public class TestTree implements Serializable {
 
     /** 主键 */
     @TableId(value = "id")
+	@JsonSerialize(using = ToStringSerializer.class)
     private Long id;
 
     /** 父id */
diff --git a/ruoyi-framework/src/main/java/com/ruoyi/framework/config/JacksonConfig.java b/ruoyi-framework/src/main/java/com/ruoyi/framework/config/JacksonConfig.java
index 95e3d43f7..fd48b6e5f 100644
--- a/ruoyi-framework/src/main/java/com/ruoyi/framework/config/JacksonConfig.java
+++ b/ruoyi-framework/src/main/java/com/ruoyi/framework/config/JacksonConfig.java
@@ -2,7 +2,6 @@ package com.ruoyi.framework.config;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.module.SimpleModule;
-import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
 import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
 import com.ruoyi.common.utils.JsonUtils;
@@ -34,9 +33,6 @@ public class JacksonConfig {
 				ObjectMapper objectMapper = (ObjectMapper) bean;
 				// 全局配置序列化返回 JSON 处理
 				SimpleModule simpleModule = new SimpleModule();
-				//JSON Long ==> String 把所有数字返回变为字符串返回适配前端Long型失真问题
-				simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
-				simpleModule.addSerializer(Long.TYPE, ToStringSerializer.instance);
 				simpleModule.addSerializer(LocalDateTime.class, LocalDateTimeSerializer.INSTANCE);
 				simpleModule.addDeserializer(LocalDateTime.class, LocalDateTimeDeserializer.INSTANCE);
 				objectMapper.registerModule(simpleModule);