44 lines
1.2 KiB
C#
44 lines
1.2 KiB
C#
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using Microsoft.EntityFrameworkCore;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace LMS.DAO.MachineDAO
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{
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public class MachineBasicDao(ApplicationDbContext context)
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{
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private readonly ApplicationDbContext _context = context;
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/// <summary>
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/// 检查机器码是否存在（机器码，不是对应的ID）
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/// </summary>
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/// <param name="machineId"></param>
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/// <returns></returns>
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public async Task<bool> CheckMachineByMachineId(string? machineId)
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{
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if (string.IsNullOrWhiteSpace(machineId))
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{
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return false;
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}
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return await _context.Machine.AnyAsync(x => x.MachineId == machineId);
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}
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/// <summary>
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/// 检查机器码是否存在（机器码，对应的ID）
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/// </summary>
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/// <param name="Id"></param>
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/// <returns></returns>
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public async Task<bool> CheckMachineById(string Id)
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{
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if (string.IsNullOrWhiteSpace(Id))
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{
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return false;
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}
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return await _context.Machine.AnyAsync(x => x.Id == Id);
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}
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}
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}
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