feat(pc): 添加景区项目管理功能

- 新增项目管理相关的 Controller、Service、Mapper 及模型类
- 实现项目分页查询、列表查询、详情查询、新增、修改、删除等功能
- 添加项目状态更新和二维码下载功能
- 集成微信小程序二维码生成和存储服务

src/main/java/com/ycwl/basic/service/pc/ProjectService.java

@@ -0,0 +1,47 @@
+package com.ycwl.basic.service.pc;
+
+import com.github.pagehelper.PageInfo;
+import com.ycwl.basic.model.pc.project.entity.ProjectEntity;
+import com.ycwl.basic.model.pc.project.req.ProjectReqQuery;
+import com.ycwl.basic.model.pc.project.resp.ProjectRespVO;
+
+import java.util.List;
+
+/**
+ * 景区项目管理服务接口
+ * 
+ * @Author: Claude
+ * @Date: 2025-01-15
+ */
+public interface ProjectService {
+    
+    /**
+     * 分页查询项目列表
+     */
+    PageInfo<ProjectRespVO> pageQuery(ProjectReqQuery projectReqQuery);
+    
+    /**
+     * 查询项目列表
+     */
+    List<ProjectRespVO> list(ProjectReqQuery projectReqQuery);
+    
+    /**
+     * 根据ID查询项目详情
+     */
+    ProjectRespVO getById(Long id);
+    
+    /**
+     * 新增或修改项目
+     */
+    int addOrUpdate(ProjectEntity project);
+    
+    /**
+     * 删除项目
+     */
+    int delete(Long id);
+    
+    /**
+     * 更新项目状态
+     */
+    int updateStatus(Long id);
+}

src/main/java/com/ycwl/basic/service/pc/impl/ProjectServiceImpl.java

@@ -0,0 +1,104 @@
+package com.ycwl.basic.service.pc.impl;
+
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import com.ycwl.basic.mapper.ProjectMapper;
+import com.ycwl.basic.model.pc.project.entity.ProjectEntity;
+import com.ycwl.basic.model.pc.project.req.ProjectReqQuery;
+import com.ycwl.basic.model.pc.project.resp.ProjectRespVO;
+import com.ycwl.basic.repository.ScenicRepository;
+import com.ycwl.basic.service.pc.ProjectService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+/**
+ * 景区项目管理服务实现
+ * 
+ * @Author: Claude
+ * @Date: 2025-01-15
+ */
+@Service
+public class ProjectServiceImpl implements ProjectService {
+
+    @Autowired
+    private ProjectMapper projectMapper;
+    
+    @Autowired
+    private ScenicRepository scenicRepository;
+
+    @Override
+    public PageInfo<ProjectRespVO> pageQuery(ProjectReqQuery projectReqQuery) {
+        PageHelper.startPage(projectReqQuery.getPageNum(), projectReqQuery.getPageSize());
+        List<ProjectRespVO> list = projectMapper.list(projectReqQuery);
+        
+        // 批量获取景区名称
+        List<Long> scenicIds = list.stream()
+                .map(ProjectRespVO::getScenicId)
+                .filter(Objects::nonNull)
+                .distinct()
+                .collect(Collectors.toList());
+        Map<Long, String> scenicNames = scenicRepository.batchGetScenicNames(scenicIds);
+        
+        // 设置景区名称
+        list.forEach(item -> {
+            if (item.getScenicId() != null) {
+                item.setScenicName(scenicNames.get(item.getScenicId()));
+            }
+        });
+        
+        PageInfo<ProjectRespVO> pageInfo = new PageInfo(list);
+        return pageInfo;
+    }
+
+    @Override
+    public List<ProjectRespVO> list(ProjectReqQuery projectReqQuery) {
+        List<ProjectRespVO> list = projectMapper.list(projectReqQuery);
+        
+        // 批量获取景区名称
+        List<Long> scenicIds = list.stream()
+                .map(ProjectRespVO::getScenicId)
+                .filter(Objects::nonNull)
+                .distinct()
+                .collect(Collectors.toList());
+        Map<Long, String> scenicNames = scenicRepository.batchGetScenicNames(scenicIds);
+        
+        // 设置景区名称
+        list.forEach(item -> {
+            if (item.getScenicId() != null) {
+                item.setScenicName(scenicNames.get(item.getScenicId()));
+            }
+        });
+        
+        return list;
+    }
+
+    @Override
+    public ProjectRespVO getById(Long id) {
+        return projectMapper.getById(id);
+    }
+
+    @Override
+    public int addOrUpdate(ProjectEntity project) {
+        Long id = project.getId();
+        if (id == null) {
+            return projectMapper.add(project);
+        } else {
+            return projectMapper.update(project);
+        }
+    }
+
+    @Override
+    public int delete(Long id) {
+        return projectMapper.deleteById(id);
+    }
+
+    @Override
+    public int updateStatus(Long id) {
+        return projectMapper.updateStatus(id);
+    }
+}