fix 移除 Long 序列化为 String 配置 改为由用户自行添加注解

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 */

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 */

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);