nhet_cn_back_main/Service/System/SysLog/SysLogExService.cs

using Entity.Base;
using Entity.DbModel.System.SysBaseObject;
using Entity.Dto;
using Entity.Dto.Req;
using HybirdFrameworkCore.Autofac.Attribute;
using Magicodes.ExporterAndImporter.Excel;
using Microsoft.AspNetCore.Mvc;
using Repository.System;
using SqlSugar;

namespace Service.System.SysLog
{
    /// <summary>
    /// 系统异常日志服务 🧩
    /// </summary>
    [Scope("SingleInstance")]
    public class SysLogExService : BaseServices<SysLogEx>
    {
        private readonly SysLogExRepository _sysLogExRep;

        public SysLogExService(SysLogExRepository sysLogExRep)
        {
            _sysLogExRep = sysLogExRep;
        }

        /// <summary>
        /// 获取异常日志分页列表 🔖
        /// </summary>
        /// <returns></returns>
        public async Task<SqlSugarPagedList<SysLogEx>> Page(PageLogReq input)
        {
            RefAsync<int> total = 0;
            var items = await _sysLogExRep.SysLogExQueryPageAsync(
                !string.IsNullOrWhiteSpace(input.StartTime.ToString()), u => u.CreateTime >= input.StartTime,
                !string.IsNullOrWhiteSpace(input.EndTime.ToString()), u => u.CreateTime <= input.EndTime,
                input.Page, input.PageSize, total, input
                );
            return SqlSugarPagedExtensions.CreateSqlSugarPagedList(items, total, input.Page, input.PageSize);
        }

        /// <summary>
        /// 清空异常日志 🔖
        /// </summary>
        /// <returns></returns>
        public async Task<bool> Clear()
        {
            return await _sysLogExRep.DeleteAsync(u => u.Id > 0);
        }

        /// <summary>
        /// 导出异常日志 🔖
        /// </summary>
        /// <returns></returns>
        public async Task<IActionResult> ExportLogEx(LogReq input)
        {
            var logExList = await _sysLogExRep.QueryListByClauseAsync<ExportLogDto>(
                !string.IsNullOrWhiteSpace(input.StartTime.ToString()) && !string.IsNullOrWhiteSpace(input.EndTime.ToString()),
                u => u.CreateTime >= input.StartTime && u.CreateTime <= input.EndTime,
                u => u.CreateTime
                );

            IExcelExporter excelExporter = new ExcelExporter();
            var res = await excelExporter.ExportAsByteArray(logExList);
            return new FileStreamResult(new MemoryStream(res), "application/octet-stream") { FileDownloadName = DateTime.Now.ToString("yyyyMMddHHmm") + "异常日志.xlsx" };
        }
    }
}