Pre Merge pull request !53 from mingli/fix-snakeflow-id-issue

ruoyi-admin/src/main/resources/application-dev.yml

@@ -8,7 +8,7 @@ spring:
       master:
         url: jdbc:mysql://localhost:3306/ry-vue?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8&autoReconnect=true
         username: root
-        password: root
+        password: mm123456
       # 从库数据源
       slave:
         # 从数据源开关/默认关闭

ruoyi-admin/src/main/resources/application.yml

@@ -158,7 +158,7 @@ mybatis-plus:
       # INPUT 用户输入ID
       # ASSIGN_ID 全局唯一ID
       # ASSIGN_UUID 全局唯一ID UUID
-      idType: AUTO
+      idType: ASSIGN_ID
       # 表名前缀
       tablePrefix: null
       # 字段 format,例: %s,(对主键无效)

ruoyi-framework/src/main/java/com/ruoyi/framework/config/JacksonConfig.java

@@ -0,0 +1,37 @@
+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 org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
+
+/**
+ * Ming LI
+ * 当Mybatis plus设置为雪花ID时，使用此类，会把所有数字返回变为字符串返回适配前端Long型失真问题
+ */
+@Configuration
+public class JacksonConfig {
+
+    @Bean
+    @Primary
+    @ConditionalOnMissingBean(ObjectMapper.class)
+	@ConditionalOnProperty(value = "mybatis-plus.global-config.dbConfig.idType",havingValue = "ASSIGN_ID")
+	public ObjectMapper jacksonObjectMapper(Jackson2ObjectMapperBuilder builder)
+    {
+
+        ObjectMapper objectMapper = builder.createXmlMapper(false).build();
+
+        // 全局配置序列化返回 JSON 处理
+        SimpleModule simpleModule = new SimpleModule();
+        //JSON Long ==> String
+        simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
+        objectMapper.registerModule(simpleModule);
+        return objectMapper;
+    }
+
+}