From 5d7b65670282a4fad015e37d567cfa171b162052 Mon Sep 17 00:00:00 2001
From: huliguo <2023611923@qq.com>
Date: 星期二, 20 五月 2025 12:25:19 +0800
Subject: [PATCH] 基础代码
---
pt-errand/src/main/java/com/ruoyi/errand/service/impl/BannerServiceImpl.java | 80 ++++++++++++++++++++++++++++++++++++++++
1 files changed, 80 insertions(+), 0 deletions(-)
diff --git a/pt-errand/src/main/java/com/ruoyi/errand/service/impl/BannerServiceImpl.java b/pt-errand/src/main/java/com/ruoyi/errand/service/impl/BannerServiceImpl.java
new file mode 100644
index 0000000..2fe995b
--- /dev/null
+++ b/pt-errand/src/main/java/com/ruoyi/errand/service/impl/BannerServiceImpl.java
@@ -0,0 +1,80 @@
+package com.ruoyi.errand.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.ruoyi.common.exception.ServiceException;
+import com.ruoyi.errand.constant.DelFlagConstant;
+import com.ruoyi.errand.domain.Banner;
+import com.ruoyi.errand.mapper.BannerMapper;
+import com.ruoyi.errand.object.dto.sys.AddBannerDTO;
+import com.ruoyi.errand.object.vo.app.BannerVO;
+import com.ruoyi.errand.object.vo.sys.BannerDetailVo;
+import com.ruoyi.errand.object.vo.sys.BannerPageListVO;
+import com.ruoyi.errand.object.vo.sys.EditBannerDTO;
+import com.ruoyi.errand.service.BannerService;
+import org.springframework.beans.BeanUtils;
+import org.springframework.stereotype.Service;
+
+import java.util.Collections;
+import java.util.List;
+
+@Service
+public class BannerServiceImpl extends ServiceImpl<BannerMapper, Banner> implements BannerService {
+
+ @Override
+ public List<BannerVO> getBannerList() {
+ return this.getBaseMapper().getBannerList();
+
+ }
+
+ @Override
+ public void add(AddBannerDTO addBannerDTO) {
+ Long count = this.baseMapper.selectCount(new LambdaQueryWrapper<Banner>()
+ .eq(Banner::getName, addBannerDTO.getName()));
+ if (count > 0) {
+ throw new ServiceException("名称重复");
+ }
+ Banner banner = new Banner();
+ banner.setName(addBannerDTO.getName());
+ banner.setImageUrl(addBannerDTO.getImageUrl());
+ this.save(banner);
+ }
+
+ @Override
+ public IPage<BannerPageListVO> pageList(IPage<BannerPageListVO> page, String name) {
+ return this.baseMapper.pageList(page,name);
+ }
+
+ @Override
+ public void edit(EditBannerDTO editBannerDTO) {
+ Banner banner = this.getById(editBannerDTO.getId());
+ if (banner == null || banner.getDelFlag().equals(DelFlagConstant.DELETE)) {
+ throw new ServiceException("banner不存在");
+ }
+ banner.setName(editBannerDTO.getName());
+ banner.setImageUrl(editBannerDTO.getImageUrl());
+ this.baseMapper.updateById(banner);
+ }
+
+ @Override
+ public void delete(Integer id) {
+ Banner banner = this.getById(id);
+ if (banner == null || banner.getDelFlag().equals(DelFlagConstant.DELETE)) {
+ throw new ServiceException("banner不存在");
+ }
+ banner.setDelFlag(DelFlagConstant.DELETE);
+ this.baseMapper.updateById(banner);
+ }
+
+ @Override
+ public BannerDetailVo detail(Integer id) {
+ Banner banner = this.getById(id);
+ if (banner == null || banner.getDelFlag().equals(DelFlagConstant.DELETE)) {
+ throw new ServiceException("banner不存在");
+ }
+ BannerDetailVo bannerDetailVo = new BannerDetailVo();
+ BeanUtils.copyProperties(banner, bannerDetailVo);
+ return bannerDetailVo;
+ }
+}
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