67 lines
1.9 KiB
Java
67 lines
1.9 KiB
Java
package com.lovenav.service.serviceImpl;
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import com.alibaba.fastjson2.JSON;
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import com.lovenav.dao.BannersDao;
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import com.lovenav.entity.Banners;
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import com.lovenav.service.BannersService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.util.List;
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import java.util.HashMap;
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@Service
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public class BannersServiceImpl implements BannersService {
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@Autowired
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private BannersDao bannersDao;
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// 跳转链接
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@Override
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public String Jump_url(int id){
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Banners banners = bannersDao.selectByPrimaryKey(id);
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HashMap<String, Object> hashMap = new HashMap<>();
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if(banners != null){
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hashMap.put("url",banners.getUrl());
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}else{
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hashMap.put("code",500);
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hashMap.put("msg","找不到指定链接");
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}
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return JSON.toJSONString(hashMap);
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}
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// 添加banner
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@Override
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public String Add_banner(Banners banners) {
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int result = bannersDao.insert(banners);
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HashMap<String, Object> hashMap = new HashMap<>();
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if(result>0){
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return JSON.toJSONString(banners);
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}else{
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hashMap.put("code",500);
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hashMap.put("msg","添加banner失败");
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return JSON.toJSONString(hashMap);
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}
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}
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// 删除banner
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@Override
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public String Delete_banner(int id){
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int result = bannersDao.deleteByPrimaryKey(id);
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HashMap<String, Object> hashMap = new HashMap<>();
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if(result>0){
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hashMap.put("code",200);
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hashMap.put("msg","删除成功");
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return JSON.toJSONString(hashMap);
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}else{
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hashMap.put("code",500);
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hashMap.put("msg","删除失败");
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return JSON.toJSONString(hashMap);
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}
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}
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// 展示banner
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public String View_banner(){
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List<Banners> list = bannersDao.selectAllBanners();
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return JSON.toJSONString(list);
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}
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}
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