/// <summary>
/// 添加设备(添加前先查询是否已存在该设备编号，如果没有则添加，有则返回添加失败)
/// </summary>
/// <param name="deviceNo">设备编号</param>
/// <param name="remark">设备描述</param>
/// <returns></returns>
public async Task <bool> AddDevice(string deviceNo, string deviceDescribe)
{
var task = new Task <bool>(() =>
{
var info = this._deviceInfo.GetAll().Where(d => d.DeviceNo == deviceNo).FirstOrDefault();
if (info != null)
{
return(false);
}
Device_Info model = new Device_Info
{
DeviceNo = deviceNo,
DeviceDescribe = deviceDescribe,
DeviceStatus = 0,
};
this._deviceInfo.InsertAsync(model);
return(true);
});
task.Start();
return(await task);
}
/// <summary>
/// 通过NPOI将Excel文件中的设备导入到数据库
/// </summary>
/// <param name="filePath">文件路径</param>
/// <param name="suffix">文件后缀名</param>
/// <returns>true：有设备导入， false:无设备导入</returns>
private async Task <bool> GetExcelData(string filePath, string suffix)
{
var task = new Task <bool>(() =>
{
bool flag = false;
using (FileStream fs = System.IO.File.OpenRead(filePath))
{
IWorkbook wk;
if (suffix == ".xlsx")
{
wk = new XSSFWorkbook(fs);
}
else
{
wk = new HSSFWorkbook(fs);
}
int insertCount = 0;
if (wk.NumberOfSheets > 0)
{
ISheet sheet = wk.GetSheetAt(0); //读取excel第一张表格
int rows = sheet.LastRowNum;
if (rows < 1)
{
return(false);
}
for (int i = 1; i <= rows; i++)
{
//提取表格数据
IRow row = sheet.GetRow(i);
string deviceNo = row.GetCell(0).ToString();
if (string.IsNullOrWhiteSpace(deviceNo) || deviceNo.Length > 9)
{
continue;
}
string deviceDescribe = row.GetCell(1).ToString();
//插入数据库操作
var model = this._deviceInfo.GetAll().Where(d => d.DeviceNo == deviceNo).FirstOrDefault();
if (model == null)
{
//没有该设备号时才导入
Device_Info d = new Device_Info
{
DeviceNo = deviceNo,
DeviceDescribe = deviceDescribe,
DeviceStatus = 0,
};
this._deviceInfo.InsertAsync(d);
insertCount++;
}
}
;
}
if (insertCount <= 0)
{
flag = false;
}
else
{
flag = true;
}
}
return(flag);
});
task.Start();
return(await task);
}
