54 lines
2.4 KiB
C#
54 lines
2.4 KiB
C#
using Microsoft.AspNetCore.Mvc;
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using Microsoft.EntityFrameworkCore;
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using System;
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using System.Data;
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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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using VOL.Core.DBManager;
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using VOL.Core.EFDbContext;
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using VOL.Core.Extensions;
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using VOL.Entity.DomainModels;
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namespace VOL.Core.BaseProvider.DictionaryComponent
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{
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/// <summary>
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/// 组件视图，参照：https://docs.microsoft.com/en-us/aspnet/core/mvc/views/view-components?view=aspnetcore-2.1
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/// 与Controller命名一样必须以ViewComponent结尾
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/// </summary>
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public class DictionaryViewComponent : ViewComponent
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{
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public async Task<IViewComponentResult> InvokeAsync(string dropDownIds)
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{
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if (string.IsNullOrEmpty(dropDownIds))
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return null;
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string[] dicNos = dropDownIds.Split(',');
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StringBuilder stringBuilder = new StringBuilder();
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VOLContext context = DBServerProvider.GetEFDbContext();
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var dicData = await (from d in context.Set<Sys_Dictionary>()
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join list in context.Set<Sys_DictionaryList>()
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on d.Dic_ID equals list.Dic_ID
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into t
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from list in t.DefaultIfEmpty()
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where dicNos.Contains(d.DicNo)
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select new { list.DicValue, list.DicName, d.Config, d.DbSql, list.OrderNo, d.DicNo }).ToListAsync();
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foreach (var item in dicData.GroupBy(x => x.DicNo))
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{
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stringBuilder.AppendLine($" var optionConfig{item.Key} = {item.Select(x => x.Config).FirstOrDefault()}");
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string dbSql = item.Select(s => s.DbSql).FirstOrDefault();
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stringBuilder.AppendLine($@" var dataSource{item.Key} = {(!string.IsNullOrEmpty(dbSql)
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? DBServerProvider.GetSqlDapper().QueryList<object>(dbSql, null).Serialize()
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: item.OrderByDescending(o => o.OrderNo).
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Select(s => new { s.DicName, s.DicValue }).ToList()
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.Serialize())}.convertToValueText(optionConfig{item.Key})");
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stringBuilder.AppendLine($" optionConfig{item.Key}.data = dataSource{item.Key};");
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}
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ViewBag.Dic = stringBuilder.ToString();
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return View("~/Views/Shared/Dictionary.cshtml");
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}
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}
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} |