feat(wms): 添加员工异动管理功能

- 创建员工异动实体类 WmsEmployeeChange，包含异动记录主键、员工信息关联、异动类型等字段
- 定义员工异动业务对象 WmsEmployeeChangeBo 和视图对象 WmsEmployeeChangeVo
- 实现员工异动服务接口 IWmsEmployeeChangeService 及其具体实现类 WmsEmployeeChangeServiceImpl
- 添加员工异动数据访问层 WmsEmployeeChangeMapper 及对应的 MyBatis XML 映射文件
- 开发员工异动控制器 WmsEmployeeChangeController，提供增删改查及导出功能
- 集成分页查询、数据校验、重复提交防护等通用功能

klp-wms/src/main/java/com/klp/service/impl/WmsEmployeeChangeServiceImpl.java

@@ -0,0 +1,114 @@
+package com.klp.service.impl;
+
+import cn.hutool.core.bean.BeanUtil;
+import com.klp.common.core.page.TableDataInfo;
+import com.klp.common.core.domain.PageQuery;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import com.klp.common.utils.StringUtils;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import com.klp.domain.bo.WmsEmployeeChangeBo;
+import com.klp.domain.vo.WmsEmployeeChangeVo;
+import com.klp.domain.WmsEmployeeChange;
+import com.klp.mapper.WmsEmployeeChangeMapper;
+import com.klp.service.IWmsEmployeeChangeService;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Collection;
+
+/**
+ * 员工异动（入职/离职）Service业务层处理
+ *
+ * @author klp
+ * @date 2026-03-14
+ */
+@RequiredArgsConstructor
+@Service
+public class WmsEmployeeChangeServiceImpl implements IWmsEmployeeChangeService {
+
+    private final WmsEmployeeChangeMapper baseMapper;
+
+    /**
+     * 查询员工异动（入职/离职）
+     */
+    @Override
+    public WmsEmployeeChangeVo queryById(Long changeId){
+        return baseMapper.selectVoById(changeId);
+    }
+
+    /**
+     * 查询员工异动（入职/离职）列表
+     */
+    @Override
+    public TableDataInfo<WmsEmployeeChangeVo> queryPageList(WmsEmployeeChangeBo bo, PageQuery pageQuery) {
+        LambdaQueryWrapper<WmsEmployeeChange> lqw = buildQueryWrapper(bo);
+        Page<WmsEmployeeChangeVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
+        return TableDataInfo.build(result);
+    }
+
+    /**
+     * 查询员工异动（入职/离职）列表
+     */
+    @Override
+    public List<WmsEmployeeChangeVo> queryList(WmsEmployeeChangeBo bo) {
+        LambdaQueryWrapper<WmsEmployeeChange> lqw = buildQueryWrapper(bo);
+        return baseMapper.selectVoList(lqw);
+    }
+
+    private LambdaQueryWrapper<WmsEmployeeChange> buildQueryWrapper(WmsEmployeeChangeBo bo) {
+        Map<String, Object> params = bo.getParams();
+        LambdaQueryWrapper<WmsEmployeeChange> lqw = Wrappers.lambdaQuery();
+        lqw.eq(bo.getInfoId() != null, WmsEmployeeChange::getInfoId, bo.getInfoId());
+        lqw.eq(bo.getChangeType() != null, WmsEmployeeChange::getChangeType, bo.getChangeType());
+        lqw.eq(bo.getChangeTime() != null, WmsEmployeeChange::getChangeTime, bo.getChangeTime());
+        lqw.eq(StringUtils.isNotBlank(bo.getChangeReason()), WmsEmployeeChange::getChangeReason, bo.getChangeReason());
+        lqw.eq(StringUtils.isNotBlank(bo.getChangeHandler()), WmsEmployeeChange::getChangeHandler, bo.getChangeHandler());
+        lqw.eq(StringUtils.isNotBlank(bo.getAttachment()), WmsEmployeeChange::getAttachment, bo.getAttachment());
+        return lqw;
+    }
+
+    /**
+     * 新增员工异动（入职/离职）
+     */
+    @Override
+    public Boolean insertByBo(WmsEmployeeChangeBo bo) {
+        WmsEmployeeChange add = BeanUtil.toBean(bo, WmsEmployeeChange.class);
+        validEntityBeforeSave(add);
+        boolean flag = baseMapper.insert(add) > 0;
+        if (flag) {
+            bo.setChangeId(add.getChangeId());
+        }
+        return flag;
+    }
+
+    /**
+     * 修改员工异动（入职/离职）
+     */
+    @Override
+    public Boolean updateByBo(WmsEmployeeChangeBo bo) {
+        WmsEmployeeChange update = BeanUtil.toBean(bo, WmsEmployeeChange.class);
+        validEntityBeforeSave(update);
+        return baseMapper.updateById(update) > 0;
+    }
+
+    /**
+     * 保存前的数据校验
+     */
+    private void validEntityBeforeSave(WmsEmployeeChange entity){
+        //TODO 做一些数据校验,如唯一约束
+    }
+
+    /**
+     * 批量删除员工异动（入职/离职）
+     */
+    @Override
+    public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
+        if(isValid){
+            //TODO 做一些业务上的校验,判断是否需要校验
+        }
+        return baseMapper.deleteBatchIds(ids) > 0;
+    }
+}