添加了实体类字段自动填充类

src/main/java/com/muyu/common/datascope/MyMetaObjectHandler.java

@@ -0,0 +1,51 @@
+package com.muyu.common.datascope;
+
+/**
+ * @Author: 胡杨
+ * @Name: MyMetaObjectHandler
+ * @Description: 实体类字段自动填充
+ * @CreatedDate: 2024/8/8 下午5:16
+ * @FilePath: com.muyu.common.datascope
+ */
+
+
+import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
+import com.muyu.common.security.utils.SecurityUtils;
+import org.apache.ibatis.reflection.MetaObject;
+import org.springframework.stereotype.Component;
+
+import java.util.Date;
+
+/**
+ * @Author: 胡杨
+ * @Name: MyMetaObjectHandler
+ * @Description: 实体类字段自动填充
+ * @CreatedDate: 2024/8/8 下午5:16
+ * @FilePath: com.muyu.common.datascope
+ */
+@Component
+public class MyMetaObjectHandler implements MetaObjectHandler {
+    /**
+     * 插入时触发
+     * @param metaObject
+     */
+    @Override
+    public void insertFill(MetaObject metaObject) {
+        // 创建人
+        this.setFieldValByName("createBy", SecurityUtils.getUserId(), metaObject);
+        // 创建时间
+        this.setFieldValByName("createTime", new Date(), metaObject);
+    }
+
+    /**
+     * 更新时触发
+     * @param metaObject
+     */
+    @Override
+    public void updateFill(MetaObject metaObject) {
+        // 更新人
+        this.setFieldValByName("updateBy", SecurityUtils.getUserId(), metaObject);
+        // 更新时间
+        this.setFieldValByName("updateTime", new Date(), metaObject);
+    }
+}