feat(wms): 增加多级审批功能和审批任务管理

- 在WmsApproval实体类中增加审批类型、需要审批人数、已审批人数、最终状态字段
- 实现审批任务通过和驳回功能，支持单人和多级审批流程
- 创建WmsApprovalTask相关实体类、业务对象、数据访问层和控制器
- 集成部门领导查询机制，实现多级审批链路构建
- 更新审批控制器，添加审批任务相关的API接口
- 优化审批列表查询，集成审批任务信息展示
- 配置MyBatis映射文件，支持新的审批任务数据表结构

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

@@ -0,0 +1,90 @@
+package com.klp.service.impl;
+
+import cn.hutool.core.bean.BeanUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.klp.common.core.page.TableDataInfo;
+import com.klp.common.core.domain.PageQuery;
+import com.klp.domain.WmsApprovalTask;
+import com.klp.domain.bo.WmsApprovalTaskBo;
+import com.klp.domain.vo.WmsApprovalTaskVo;
+import com.klp.mapper.WmsApprovalTaskMapper;
+import com.klp.service.IWmsApprovalTaskService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * 审批任务Service业务层处理
+ *
+ * @author klp
+ * @date 2026-01-20
+ */
+@RequiredArgsConstructor
+@Service
+public class WmsApprovalTaskServiceImpl implements IWmsApprovalTaskService {
+
+    private final WmsApprovalTaskMapper baseMapper;
+
+    @Override
+    public WmsApprovalTaskVo queryById(Long taskId) {
+        return baseMapper.selectVoById(taskId);
+    }
+
+    @Override
+    public TableDataInfo<WmsApprovalTaskVo> queryPageList(WmsApprovalTaskBo bo, PageQuery pageQuery) {
+        LambdaQueryWrapper<WmsApprovalTask> lqw = buildQueryWrapper(bo);
+        Page<WmsApprovalTaskVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
+        return TableDataInfo.build(result);
+    }
+
+    @Override
+    public List<WmsApprovalTaskVo> queryList(WmsApprovalTaskBo bo) {
+        LambdaQueryWrapper<WmsApprovalTask> lqw = buildQueryWrapper(bo);
+        return baseMapper.selectVoList(lqw);
+    }
+
+    private LambdaQueryWrapper<WmsApprovalTask> buildQueryWrapper(WmsApprovalTaskBo bo) {
+        LambdaQueryWrapper<WmsApprovalTask> lqw = Wrappers.lambdaQuery();
+        lqw.eq(bo.getApprovalId() != null, WmsApprovalTask::getApprovalId, bo.getApprovalId());
+        lqw.eq(bo.getApproverId() != null, WmsApprovalTask::getApproverId, bo.getApproverId());
+        lqw.eq(bo.getApproverName() != null, WmsApprovalTask::getApproverName, bo.getApproverName());
+        lqw.eq(bo.getTaskStatus() != null, WmsApprovalTask::getTaskStatus, bo.getTaskStatus());
+        lqw.orderByDesc(WmsApprovalTask::getCreateTime);
+        return lqw;
+    }
+
+    @Override
+    public Boolean insertByBo(WmsApprovalTaskBo bo) {
+        WmsApprovalTask add = BeanUtil.toBean(bo, WmsApprovalTask.class);
+        validEntityBeforeSave(add);
+        return baseMapper.insert(add) > 0;
+    }
+
+    private void validEntityBeforeSave(WmsApprovalTask entity) {
+    }
+
+    @Override
+    public Boolean updateByBo(WmsApprovalTaskBo bo) {
+        WmsApprovalTask update = BeanUtil.toBean(bo, WmsApprovalTask.class);
+        validEntityBeforeSave(update);
+        return baseMapper.updateById(update) > 0;
+    }
+
+    @Override
+    public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
+        if (isValid) {
+        }
+        return baseMapper.deleteBatchIds(ids) > 0;
+    }
+
+    @Override
+    public List<WmsApprovalTaskVo> queryByApprovalId(Long approvalId) {
+        return baseMapper.selectVoList(Wrappers.<WmsApprovalTask>lambdaQuery()
+            .eq(WmsApprovalTask::getApprovalId, approvalId)
+            .orderByAsc(WmsApprovalTask::getCreateTime));
+    }
+}