ADD file via upload

src/main/java/com/service/NewsInfoService.java

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+package com.example.service;
+
+import cn.hutool.json.JSONUtil;
+import com.example.dao.NewsInfoDao;
+import org.springframework.stereotype.Service;
+import com.example.entity.NewsInfo;
+import com.example.entity.AuthorityInfo;
+import com.example.entity.Account;
+import com.example.vo.NewsInfoVo;
+
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+
+import javax.annotation.Resource;
+import javax.servlet.http.HttpServletRequest;
+import java.util.Date;
+import java.util.List;
+
+@Service
+public class NewsInfoService {
+
+    @Resource
+    private NewsInfoDao newsInfoDao;
+
+    public NewsInfo add(NewsInfo newsInfo) {
+        newsInfoDao.insertSelective(newsInfo);
+        return newsInfo;
+    }
+
+    public void delete(Long id) {
+        newsInfoDao.deleteByPrimaryKey(id);
+    }
+
+    public void update(NewsInfo newsInfo) {
+        newsInfoDao.updateByPrimaryKeySelective(newsInfo);
+    }
+
+    public NewsInfo findById(Long id) {
+        return newsInfoDao.selectByPrimaryKey(id);
+    }
+
+    public List<NewsInfoVo> findAll() {
+        return newsInfoDao.findByName("all");
+    }
+
+    public PageInfo<NewsInfoVo> findPage(String name, Integer pageNum, Integer pageSize, HttpServletRequest request) {
+        PageHelper.startPage(pageNum, pageSize);
+        List<NewsInfoVo> all = findAllPage(request, name);
+        return PageInfo.of(all);
+    }
+
+    public List<NewsInfoVo> findAllPage(HttpServletRequest request, String name) {
+		return newsInfoDao.findByName(name);
+    }
+
+}