ADD file via upload

src/main/java/com/service/NxSystemFileInfoService.java

@@ -0,0 +1,52 @@
+package com.example.service;
+
+import com.example.dao.NxSystemFileInfoDao;
+import com.example.entity.NxSystemFileInfo;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+@Service
+public class NxSystemFileInfoService {
+
+    @Value("${authority.info}")
+    private String authorityInfo;
+
+    @Resource
+    private NxSystemFileInfoDao nxSystemFileInfoDao;
+
+    public NxSystemFileInfo add(NxSystemFileInfo nxSystemFileInfo) {
+        nxSystemFileInfoDao.insertSelective(nxSystemFileInfo);
+        return nxSystemFileInfo;
+    }
+
+    public void delete(Long id) {
+        nxSystemFileInfoDao.deleteByPrimaryKey(id);
+    }
+
+    public void update(NxSystemFileInfo nxSystemFileInfo) {
+        nxSystemFileInfoDao.updateByPrimaryKeySelective(nxSystemFileInfo);
+    }
+
+    public NxSystemFileInfo findById(Long id) {
+        return nxSystemFileInfoDao.selectByPrimaryKey(id);
+    }
+    
+    public NxSystemFileInfo findByFileName(String name) {
+        return nxSystemFileInfoDao.findByFileName(name);
+    }
+
+    public List<NxSystemFileInfo> findAll() {
+        return nxSystemFileInfoDao.findByName("all");
+    }
+
+    public PageInfo<NxSystemFileInfo> findPage(String name, Integer pageNum, Integer pageSize) {
+        PageHelper.startPage(pageNum, pageSize);
+        List<NxSystemFileInfo> all = nxSystemFileInfoDao.findByName(name);
+        return PageInfo.of(all);
+    }
+}