部分功能重写，增加，去除冗余

backend/roomroot-jwgl/src/main/java/com/roomroot/jwgl/mapper/XYXJYDSQBMapper.java

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+package com.roomroot.jwgl.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.roomroot.jwgl.entity.XYXJYDSQB;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * 学员学籍异动申请表 Mapper
+ * <p>
+ * 提供学员学籍异动申请的增删改查等操作。
+ * </p>
+ */
+@Mapper
+public interface XYXJYDSQBMapper extends BaseMapper<XYXJYDSQB> {
+}

backend/roomroot-jwgl/src/main/java/com/roomroot/jwgl/mapper/XYXJYJJGBMapper.java

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+package com.roomroot.jwgl.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.roomroot.jwgl.entity.XYXJYJJGB;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * 学员学籍预警结果表 Mapper
+ * <p>
+ * 提供学员学籍预警结果的查询等操作。
+ * </p>
+ */
+@Mapper
+public interface XYXJYJJGBMapper extends BaseMapper<XYXJYJJGB> {
+}