1367 lines
44 KiB
C#
1367 lines
44 KiB
C#
using System.ComponentModel;
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using System.IO.Compression;
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using System.Reflection;
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using System.Text;
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using System.Web;
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using System.Xml.Serialization;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.Filters;
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using Microsoft.Net.Http.Headers;
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using NewLife.Common;
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using NewLife.Cube.Common;
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using NewLife.Cube.Entity;
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using NewLife.Cube.Extensions;
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using NewLife.Cube.ViewModels;
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using NewLife.Data;
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using NewLife.IO;
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using NewLife.Log;
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using NewLife.Reflection;
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using NewLife.Security;
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using NewLife.Serialization;
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using NewLife.Web;
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using NewLife.Xml;
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using XCode;
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using XCode.Configuration;
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using XCode.Membership;
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using XCode.Model;
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namespace NewLife.Cube;
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/// <summary>只读实体控制器基类</summary>
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/// <typeparam name="TEntity"></typeparam>
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public class ReadOnlyEntityController<TEntity> : ControllerBaseX where TEntity : Entity<TEntity>, new()
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{
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#region 属性
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/// <summary>实体工厂</summary>
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public static IEntityFactory Factory => Entity<TEntity>.Meta.Factory;
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/// <summary>实体改变时写日志。默认false</summary>
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protected static Boolean LogOnChange { get; set; }
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/// <summary>系统配置</summary>
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public SysConfig SysConfig { get; set; }
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/// <summary>当前列表页的查询条件缓存Key</summary>
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private static String CacheKey => $"CubeView_{typeof(TEntity).FullName}";
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#endregion
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#region 构造
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static ReadOnlyEntityController()
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{
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// 强行实例化一次，初始化实体对象
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var entity = new TEntity();
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}
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/// <summary>构造函数</summary>
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public ReadOnlyEntityController()
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{
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PageSetting.IsReadOnly = true;
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PageSetting.EnableTableDoubleClick = CubeSetting.Current.EnableTableDoubleClick;
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SysConfig = SysConfig.Current;
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}
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/// <summary>动作执行前</summary>
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/// <param name="filterContext"></param>
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public override void OnActionExecuting(ActionExecutingContext filterContext)
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{
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var title = GetType().GetDisplayName() ?? typeof(TEntity).GetDisplayName() ?? Entity<TEntity>.Meta.Table.DataTable.DisplayName;
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ViewBag.Title = title;
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// Ajax请求不需要设置ViewBag
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if (!Request.IsAjaxRequest())
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{
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// 默认加上实体工厂
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ViewBag.Factory = Factory;
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// 默认加上分页给前台
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var ps = filterContext.ActionArguments.ToNullable();
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var p = ps["p"] as Pager ?? new Pager();
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ViewBag.Page = p;
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// 用于显示的列
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if (!ps.ContainsKey("entity")) ViewBag.Fields = ListFields;
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if (ViewBag.HeaderTitle == null) ViewBag.HeaderTitle = Entity<TEntity>.Meta.Table.Description + "管理";
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var txt = (String)ViewBag.HeaderContent;
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if (txt.IsNullOrEmpty()) txt = Menu?.Remark;
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if (txt.IsNullOrEmpty()) txt = GetType().GetDescription();
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if (txt.IsNullOrEmpty()) txt = Entity<TEntity>.Meta.Table.Description;
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//if (txt.IsNullOrEmpty() && SysConfig.Current.Develop)
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// txt = "这里是页头内容，来自于菜单备注，或者给控制器增加Description特性";
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ViewBag.HeaderContent = txt;
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}
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base.OnActionExecuting(filterContext);
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}
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/// <summary>执行后</summary>
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/// <param name="filterContext"></param>
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public override void OnActionExecuted(ActionExecutedContext filterContext)
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{
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base.OnActionExecuted(filterContext);
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var title = ViewBag.Title + "";
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HttpContext.Items["Title"] = title;
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}
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#endregion
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#region 数据获取
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/// <summary>搜索数据集</summary>
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/// <param name="p"></param>
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/// <returns></returns>
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protected virtual IEnumerable<TEntity> Search(Pager p)
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{
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var start = p["dtStart"].ToDateTime();
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var end = p["dtEnd"].ToDateTime();
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var key = p["Q"];
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var whereExpression = Entity<TEntity>.SearchWhereByKeys(key);
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if (start > DateTime.MinValue || end > DateTime.MinValue)
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{
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var masterTime = Entity<TEntity>.Meta.Factory.MasterTime;
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if (masterTime != null)
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whereExpression &= masterTime.Between(start, end);
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}
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// 根据模型列设置，拼接作为搜索字段的字段
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var modelTable = ModelTable;
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var modelCols = modelTable?.GetColumns()?.Where(w => w.ShowInSearch)?.ToList() ?? new List<ModelColumn>();
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foreach (var col in modelCols)
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{
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var val = p[col.Name];
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if (val.IsNullOrWhiteSpace()) continue;
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whereExpression &= col.Field == val;
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}
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//添加映射字段查询
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foreach (var item in Entity<TEntity>.Meta.Factory.Fields)
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{
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var val = p[item.Name];
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if (!val.IsNullOrWhiteSpace())
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{
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whereExpression &= item.Equal(val);
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}
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}
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return Entity<TEntity>.FindAll(whereExpression, p);
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}
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/// <summary>搜索数据，支持数据权限</summary>
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/// <param name="p"></param>
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/// <returns></returns>
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protected IEnumerable<TEntity> SearchData(Pager p)
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{
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// 缓存数据，用于后续导出
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//SetSession(CacheKey, p);
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//Session[CacheKey] = p;
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// 数据权限
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var builder = CreateWhere();
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if (builder != null)
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{
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builder.Data2 ??= p.Items;
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p.State = builder;
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}
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return Search(p);
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}
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/// <summary>查找单行数据</summary>
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/// <param name="key"></param>
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/// <returns></returns>
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protected virtual TEntity Find(Object key)
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{
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var fact = Factory;
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if (fact.Unique == null)
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{
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var pks = fact.Table.PrimaryKeys;
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if (pks.Length > 0)
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{
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var exp = new WhereExpression();
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foreach (var item in pks)
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{
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// 如果前端没有传值，则不要参与构造查询
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var val = GetRequest(item.Name);
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// 2021.04.18 添加
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// 表结构没有唯一键，只有联合主键，并且id是其中一个主键，
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// 而id作为路由参数，上面从Request中获取到空值，
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// 最终导致联合主键的表查询单条数据，只用到名称为非id的主键
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if (val == null && item.Name.EqualIgnoreCase("id")) val = key.ToString();
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if (val != null) exp &= item.Equal(val);
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}
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return Entity<TEntity>.Find(exp);
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}
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}
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return Entity<TEntity>.FindByKeyForEdit(key);
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}
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/// <summary>查找单行数据，并判断数据权限</summary>
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/// <param name="key"></param>
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/// <returns></returns>
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protected TEntity FindData(Object key)
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{
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// 先查出来，再判断数据权限
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var entity = Find(key);
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if (entity != null)
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{
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// 数据权限
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var builder = CreateWhere();
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if (builder != null && !builder.Eval(entity)) throw new InvalidOperationException($"非法访问数据[{key}]");
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}
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return entity;
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}
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/// <summary>创建查询条件构造器，主要用于数据权限</summary>
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/// <returns></returns>
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protected virtual WhereBuilder CreateWhere()
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{
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var exp = "";
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var att = GetType().GetCustomAttribute<DataPermissionAttribute>();
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if (att != null)
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{
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// 已登录用户判断系统角色，未登录时不判断
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var user = HttpContext.Items["CurrentUser"] as IUser;
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user ??= ManageProvider.User;
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if (user == null || !user.Roles.Any(e => e.IsSystem) && !att.Valid(user.Roles))
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exp = att.Expression;
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}
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// 多租户
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var ctxTenant = TenantContext.Current;
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if (ctxTenant != null && IsTenantSource)
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{
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var tenant = Tenant.FindById(ctxTenant.TenantId);
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if (tenant != null)
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{
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HttpContext.Items["TenantId"] = tenant.Id;
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if (!exp.IsNullOrEmpty())
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exp = "TenantId={#TenantId} and " + exp;
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else
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exp = "TenantId={#TenantId}";
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}
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}
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if (exp.IsNullOrEmpty()) return null;
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var builder = new WhereBuilder
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{
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Factory = Factory,
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Expression = exp,
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//Data = Session,
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};
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builder.SetData(Session);
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//builder.Data2 = new ItemsExtend { Items = HttpContext.Items };
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builder.SetData2(HttpContext.Items.ToDictionary(e => e.Key + "", e => e.Value));
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return builder;
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}
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/// <summary>是否租户实体类</summary>
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protected Boolean IsTenantSource => typeof(TEntity).GetInterfaces().Any(e => e == typeof(ITenantSource));
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/// <summary>获取选中键</summary>
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/// <returns></returns>
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protected virtual String[] SelectKeys => GetRequest("Keys").Split(",");
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/// <summary>多次导出数据</summary>
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/// <returns></returns>
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protected virtual IEnumerable<TEntity> ExportData(Int32 max = 10_000_000)
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{
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// 计算目标数据量
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var p = Session[CacheKey] as Pager;
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p = new Pager(p)
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{
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RetrieveTotalCount = true,
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PageIndex = 1,
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PageSize = 1,
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};
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SearchData(p);
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p.PageSize = 20_000;
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//!!! 数据量很大，且有时间条件时，采用时间分片导出。否则统一分页导出
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//if (Factory.Count > 100_000)
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if (p.TotalCount > 100_000)
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{
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var start = p["dtStart"].ToDateTime();
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var end = p["dtEnd"].ToDateTime();
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if (start.Year > 2000 /*&& end.Year > 2000*/)
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{
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if (end.Year < 2000) end = DateTime.Now;
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// 计算步进，80%数据集中在20%时间上，凑够每页10000
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//var speed = (p.TotalCount * 0.8) / (24 * 3600 * 0.2);
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var speed = (Double)p.TotalCount / (24 * 3600);
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var step = p.PageSize / speed;
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XTrace.WriteLine("[{0}]导出数据[{1:n0}]，时间区间（{2},{3}），分片步进{4:n0}秒", Factory.EntityType.FullName, p.TotalCount, start, end, step);
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return ExportDataByDatetime((Int32)step, max);
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}
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}
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XTrace.WriteLine("[{0}]导出数据[{1:n0}]，共[{2:n0}]页", Factory.EntityType.FullName, p.TotalCount, p.PageCount);
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return ExportDataByPage(p.PageSize, max);
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}
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/// <summary>分页导出数据</summary>
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/// <param name="pageSize">页大小。默认10_000</param>
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/// <param name="max">最大行数。默认10_000_000</param>
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/// <returns></returns>
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protected virtual IEnumerable<TEntity> ExportDataByPage(Int32 pageSize, Int32 max)
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{
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// 跳过头部一些页数，导出当前页以及以后的数据
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var p = Session[CacheKey] as Pager;
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p = new Pager(p)
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{
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// 不要查记录数
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RetrieveTotalCount = false,
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PageIndex = 1,
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PageSize = pageSize
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};
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while (max > 0)
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{
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if (HttpContext.RequestAborted.IsCancellationRequested) yield break;
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if (p.PageSize > max) p.PageSize = max;
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var list = SearchData(p);
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var count = list.Count();
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if (count == 0) break;
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max -= count;
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foreach (var item in list)
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{
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yield return item;
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}
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if (count < p.PageSize) break;
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p.PageIndex++;
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}
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// 回收内存
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GC.Collect();
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}
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/// <summary>时间分片导出数据</summary>
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/// <param name="step">分片不仅。默认60</param>
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/// <param name="max">最大行数。默认10_000_000</param>
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/// <returns></returns>
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protected virtual IEnumerable<TEntity> ExportDataByDatetime(Int32 step, Int32 max)
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{
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// 跳过头部一些页数，导出当前页以及以后的数据
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var p = Session[CacheKey] as Pager;
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p = new Pager(p)
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{
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// 不要查记录数
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RetrieveTotalCount = false,
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PageIndex = 1,
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PageSize = 0,
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};
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var start = p["dtStart"].ToDateTime();
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var end = p["dtEnd"].ToDateTime();
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if (end.Year < 2000) end = DateTime.Now;
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//!!! 前后同一天必须查跨天
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if (start == start.Date && end == end.Date) end = end.AddDays(1);
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var dt = start;
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while (max > 0 && dt < end)
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{
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if (HttpContext.RequestAborted.IsCancellationRequested) yield break;
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var dt2 = dt.AddSeconds(step);
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if (dt2 > end) dt2 = end;
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p["dtStart"] = dt.ToFullString();
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p["dtEnd"] = dt2.ToFullString();
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var list = SearchData(p);
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var count = list.Count();
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//if (count == 0) break;
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foreach (var item in list)
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{
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yield return item;
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}
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dt = dt2;
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max -= count;
|
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}
|
||
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// 回收内存
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||
GC.Collect();
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||
}
|
||
#endregion
|
||
|
||
#region 默认Action
|
||
/// <summary>数据列表首页</summary>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("{type}管理")]
|
||
//[AllowAnonymous]
|
||
public virtual ActionResult Index(Pager p = null)
|
||
{
|
||
p ??= ViewBag.Page as Pager;
|
||
|
||
// 缓存数据，用于后续导出
|
||
//SetSession(CacheKey, p);
|
||
Session[CacheKey] = p;
|
||
|
||
return IndexView(p);
|
||
}
|
||
|
||
/// <summary>列表页视图。子控制器可重载，以传递更多信息给视图，比如修改要显示的列</summary>
|
||
/// <param name="p"></param>
|
||
/// <returns></returns>
|
||
protected virtual ActionResult IndexView(Pager p)
|
||
{
|
||
// 需要总记录数来分页
|
||
p.RetrieveTotalCount = true;
|
||
|
||
var list = SearchData(p);
|
||
|
||
// Json输出
|
||
if (IsJsonRequest) return Json(0, null, EntitiesFilter(list), new { pager = p });
|
||
|
||
return View("List", list);
|
||
}
|
||
|
||
/// <summary>表单，查看</summary>
|
||
/// <param name="id">主键。可能为空（表示添加），所以用字符串而不是整数</param>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("查看{type}")]
|
||
public virtual ActionResult Detail(String id)
|
||
{
|
||
var entity = FindData(id);
|
||
if (entity == null || (entity as IEntity).IsNullKey) throw new XException("要查看的数据[{0}]不存在！", id);
|
||
|
||
// 验证数据权限
|
||
Valid(entity, DataObjectMethodType.Select, false);
|
||
|
||
// Json输出
|
||
if (IsJsonRequest) return Json(0, null, EntityFilter(entity, ShowInForm.详情));
|
||
|
||
// 用于显示的列
|
||
ViewBag.Fields = DetailFields;
|
||
|
||
return View("Detail", entity);
|
||
}
|
||
|
||
/// <summary>清空全表数据</summary>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("清空")]
|
||
public virtual ActionResult Clear()
|
||
{
|
||
var url = Request.GetReferer();
|
||
|
||
var p = Session[CacheKey] as Pager;
|
||
p = new Pager(p);
|
||
if (p != null && p.Params.Count > 0) return Json(500, "当前带有查询参数，为免误解，禁止全表清空！");
|
||
|
||
try
|
||
{
|
||
var count = Entity<TEntity>.Meta.Session.Truncate();
|
||
|
||
WriteLog("清空数据", true, $"共删除{count}行数据");
|
||
|
||
if (Request.IsAjaxRequest())
|
||
return JsonRefresh($"共删除{count}行数据");
|
||
else if (!url.IsNullOrEmpty())
|
||
return Redirect(url);
|
||
else
|
||
return RedirectToAction("Index");
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
WriteLog("清空数据", false, ex.GetMessage());
|
||
|
||
throw;
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region 数据接口
|
||
/// <summary>页面</summary>
|
||
/// <param name="token">令牌</param>
|
||
/// <param name="p">分页</param>
|
||
/// <returns></returns>
|
||
[AllowAnonymous]
|
||
[DisplayName("页面")]
|
||
public virtual ActionResult Html(String token, Pager p)
|
||
{
|
||
try
|
||
{
|
||
var issuer = ValidToken(token);
|
||
|
||
// 需要总记录数来分页
|
||
p.RetrieveTotalCount = true;
|
||
|
||
var list = SearchData(p);
|
||
|
||
return View("List", list);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
return Content(ex.Message);
|
||
}
|
||
}
|
||
|
||
/// <summary>Json接口</summary>
|
||
/// <param name="token">令牌</param>
|
||
/// <param name="p">分页</param>
|
||
/// <returns></returns>
|
||
[AllowAnonymous]
|
||
[DisplayName("Json接口")]
|
||
public virtual ActionResult Json(String token, Pager p)
|
||
{
|
||
try
|
||
{
|
||
var issuer = ValidToken(token);
|
||
|
||
// 需要总记录数来分页
|
||
p.RetrieveTotalCount = true;
|
||
|
||
var list = SearchData(p);
|
||
|
||
// Json输出
|
||
return Json(0, null, list, new { issuer, pager = p });
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
return Json(0, null, ex);
|
||
}
|
||
}
|
||
|
||
/// <summary>验证令牌是否有效</summary>
|
||
/// <param name="token"></param>
|
||
/// <returns></returns>
|
||
protected virtual String ValidToken(String token)
|
||
{
|
||
if (token.IsNullOrEmpty()) token = GetRequest("token");
|
||
if (token.IsNullOrEmpty()) token = GetRequest("key");
|
||
|
||
var app = App.FindBySecret(token);
|
||
if (app != null)
|
||
{
|
||
if (!app.Enable) throw new XException("非法授权！");
|
||
|
||
return app?.ToString();
|
||
}
|
||
else
|
||
{
|
||
var ut = UserToken.Valid(token, UserHost);
|
||
var user = ut.User;
|
||
|
||
// 定位菜单页面
|
||
var menu = ManageProvider.Menu.FindByFullName(GetType().FullName);
|
||
|
||
// 判断权限
|
||
if (menu == null || !user.Has(menu, PermissionFlags.Detail)) throw new Exception($"该用户[{user}]无权访问[{menu}]");
|
||
|
||
// 锁定页面
|
||
if (!ut.Url.IsNullOrEmpty())
|
||
{
|
||
var url = ut.Url;
|
||
if (url.Contains("?")) url = url.Substring(null, "?");
|
||
if (!url.StartsWithIgnoreCase(menu.Url.TrimStart("~"))) throw new Exception($"该令牌[{user}]无权访问[{menu}]，仅限于[{url}]");
|
||
}
|
||
|
||
// 设置当前用户，用于数据权限控制
|
||
HttpContext.Items["userId"] = user.ID;
|
||
HttpContext.Items["CurrentUser"] = user;
|
||
|
||
return user?.ToString();
|
||
}
|
||
}
|
||
|
||
/// <summary>Xml接口</summary>
|
||
/// <param name="token">令牌</param>
|
||
/// <param name="p">分页</param>
|
||
/// <returns></returns>
|
||
[AllowAnonymous]
|
||
[DisplayName("Xml接口")]
|
||
public virtual ActionResult Xml(String token, Pager p)
|
||
{
|
||
var xml = "";
|
||
try
|
||
{
|
||
var issuer = ValidToken(token);
|
||
|
||
// 需要总记录数来分页
|
||
p.RetrieveTotalCount = true;
|
||
|
||
var list = SearchData(p) as IList<TEntity>;
|
||
|
||
var rs = new Root { Result = false, Data = list, Pager = p, Issuer = issuer };
|
||
|
||
xml = rs.ToXml(null, false, false);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
var rs = new { result = false, data = ex.GetTrue().Message };
|
||
xml = rs.ToXml(null, false, false);
|
||
}
|
||
|
||
return Content(xml, "application/xml");
|
||
}
|
||
|
||
private class Root
|
||
{
|
||
public Boolean Result { get; set; }
|
||
public IList<TEntity> Data { get; set; }
|
||
public Pager Pager { get; set; }
|
||
public String Issuer { get; set; }
|
||
}
|
||
|
||
/// <summary>Csv接口</summary>
|
||
/// <param name="token">令牌</param>
|
||
/// <param name="p">分页</param>
|
||
/// <returns></returns>
|
||
[AllowAnonymous]
|
||
[DisplayName("Excel接口")]
|
||
public virtual async Task<ActionResult> Csv(String token, Pager p)
|
||
{
|
||
var issuer = ValidToken(token);
|
||
|
||
//// 需要总记录数来分页
|
||
//p.RetrieveTotalCount = true;
|
||
|
||
var list = SearchData(p);
|
||
|
||
// 准备需要输出的列
|
||
var fs = Factory.Fields.ToList();
|
||
|
||
var rs = Response;
|
||
var headers = rs.Headers;
|
||
headers[HeaderNames.ContentEncoding] = "UTF8";
|
||
//headers[HeaderNames.ContentType] = "application/vnd.ms-excel";
|
||
|
||
await OnExportCsv(fs, list, rs.Body);
|
||
|
||
return new EmptyResult();
|
||
}
|
||
|
||
/// <summary>Csv接口</summary>
|
||
/// <param name="token">令牌</param>
|
||
/// <param name="p">分页</param>
|
||
/// <returns></returns>
|
||
[AllowAnonymous]
|
||
[DisplayName("Excel接口")]
|
||
public virtual async Task<ActionResult> Excel(String token, Pager p)
|
||
{
|
||
var issuer = ValidToken(token);
|
||
|
||
var list = SearchData(p);
|
||
|
||
// 准备需要输出的列
|
||
var fs = new List<FieldItem>();
|
||
foreach (var fi in Factory.AllFields)
|
||
{
|
||
if (Type.GetTypeCode(fi.Type) == TypeCode.Object) continue;
|
||
if (!fi.IsDataObjectField)
|
||
{
|
||
var pi = Factory.EntityType.GetProperty(fi.Name);
|
||
if (pi != null && pi.GetCustomAttribute<XmlIgnoreAttribute>() != null) continue;
|
||
}
|
||
|
||
fs.Add(fi);
|
||
}
|
||
|
||
// 基本属性与扩展属性对调顺序
|
||
for (var i = 0; i < fs.Count; i++)
|
||
{
|
||
var fi = fs[i];
|
||
if (fi.OriField != null)
|
||
{
|
||
var k = fs.IndexOf(fi.OriField);
|
||
if (k >= 0)
|
||
{
|
||
fs[i] = fs[k];
|
||
fs[k] = fi;
|
||
}
|
||
}
|
||
}
|
||
|
||
var rs = Response;
|
||
var headers = rs.Headers;
|
||
headers[HeaderNames.ContentEncoding] = "UTF8";
|
||
//headers[HeaderNames.ContentType] = "application/vnd.ms-excel";
|
||
|
||
await OnExportExcel(fs, list, rs.Body);
|
||
|
||
return new EmptyResult();
|
||
}
|
||
#endregion
|
||
|
||
#region 导出Xml/Json/Excel/Csv
|
||
/// <summary>导出Xml</summary>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("导出")]
|
||
public virtual ActionResult ExportXml()
|
||
{
|
||
var obj = OnExportXml();
|
||
var xml = "";
|
||
if (obj is IEntity)
|
||
xml = (obj as IEntity).ToXml();
|
||
else if (obj is IList<TEntity>)
|
||
xml = (obj as IList<TEntity>).ToXml();
|
||
else if (obj is IEnumerable<TEntity> list)
|
||
xml = list.ToList().ToXml();
|
||
|
||
SetAttachment(null, ".xml", true);
|
||
|
||
return Content(xml, "text/xml", Encoding.UTF8);
|
||
}
|
||
|
||
/// <summary>要导出Xml的对象</summary>
|
||
/// <returns></returns>
|
||
protected virtual Object OnExportXml() => ExportData();
|
||
|
||
/// <summary>设置附件响应方式</summary>
|
||
/// <param name="name"></param>
|
||
/// <param name="ext"></param>
|
||
/// <param name="includeTime">包含时间戳</param>
|
||
protected virtual void SetAttachment(String name, String ext, Boolean includeTime)
|
||
{
|
||
if (name.IsNullOrEmpty()) name = GetType().GetDisplayName();
|
||
if (name.IsNullOrEmpty()) name = Factory.EntityType.GetDisplayName();
|
||
if (name.IsNullOrEmpty()) name = Factory.Table.DataTable.DisplayName;
|
||
if (name.IsNullOrEmpty()) name = GetType().Name.TrimEnd("Controller");
|
||
if (!ext.IsNullOrEmpty()) ext = ext.EnsureStart(".");
|
||
|
||
if (includeTime) name += $"_{DateTime.Now:yyyyMMddHHmmss}";
|
||
|
||
name += ext;
|
||
name = HttpUtility.UrlEncode(name, Encoding.UTF8);
|
||
|
||
Response.Headers.Add("Content-Disposition", "Attachment;filename=" + name);
|
||
}
|
||
|
||
/// <summary>导出Json</summary>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("导出")]
|
||
public virtual ActionResult ExportJson()
|
||
{
|
||
var json = OnExportJson().ToJson(true);
|
||
|
||
SetAttachment(null, ".json", true);
|
||
|
||
return Content(json, "application/json", Encoding.UTF8);
|
||
}
|
||
|
||
/// <summary>要导出Json的对象</summary>
|
||
/// <returns></returns>
|
||
protected virtual Object OnExportJson() => ExportData().ToList();
|
||
|
||
/// <summary>导出Excel</summary>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("导出")]
|
||
public virtual async Task<ActionResult> ExportExcel()
|
||
{
|
||
// 准备需要输出的列
|
||
var fs = new List<FieldItem>();
|
||
foreach (var fi in Factory.AllFields)
|
||
{
|
||
if (Type.GetTypeCode(fi.Type) == TypeCode.Object) continue;
|
||
if (!fi.IsDataObjectField)
|
||
{
|
||
var pi = Factory.EntityType.GetProperty(fi.Name);
|
||
if (pi != null && pi.GetCustomAttribute<XmlIgnoreAttribute>() != null) continue;
|
||
}
|
||
|
||
fs.Add(fi);
|
||
}
|
||
|
||
// 基本属性与扩展属性对调顺序
|
||
for (var i = 0; i < fs.Count; i++)
|
||
{
|
||
var fi = fs[i];
|
||
if (fi.OriField != null)
|
||
{
|
||
var k = fs.IndexOf(fi.OriField);
|
||
if (k >= 0)
|
||
{
|
||
fs[i] = fs[k];
|
||
fs[k] = fi;
|
||
}
|
||
}
|
||
}
|
||
|
||
// 要导出的数据超大时，启用流式输出
|
||
if (Factory.Session.Count > 100_000)
|
||
{
|
||
var p = Session[CacheKey] as Pager;
|
||
p = new Pager(p)
|
||
{
|
||
PageSize = 1,
|
||
RetrieveTotalCount = true
|
||
};
|
||
SearchData(p);
|
||
}
|
||
|
||
SetAttachment(null, ".xls", true);
|
||
|
||
var rs = Response;
|
||
var headers = rs.Headers;
|
||
headers[HeaderNames.ContentEncoding] = "UTF8";
|
||
headers[HeaderNames.ContentType] = "application/vnd.ms-excel";
|
||
|
||
var data = ExportData();
|
||
await OnExportExcel(fs, data, rs.Body);
|
||
|
||
return new EmptyResult();
|
||
}
|
||
|
||
/// <summary>导出Excel模板</summary>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("导出模板")]
|
||
public virtual async Task<ActionResult> ExportExcelTemplate()
|
||
{
|
||
// 准备需要输出的列
|
||
var fs = new List<FieldItem>();
|
||
foreach (var fi in Factory.AllFields)
|
||
{
|
||
if (Type.GetTypeCode(fi.Type) == TypeCode.Object) continue;
|
||
if (!fi.IsDataObjectField)
|
||
{
|
||
var pi = Factory.EntityType.GetProperty(fi.Name);
|
||
if (pi != null && pi.GetCustomAttribute<XmlIgnoreAttribute>() != null) continue;
|
||
}
|
||
|
||
//模板隐藏这几个字段
|
||
if (fi.Name.EqualIgnoreCase("CreateUserID", "CreateUser", "CreateTime", "CreateIP",
|
||
"UpdateUserID", "UpdateUser", "UpdateTime", "UpdateIP", "Enable") || fi.Description.IsNullOrEmpty())
|
||
{
|
||
continue;
|
||
}
|
||
|
||
fs.Add(fi);
|
||
}
|
||
|
||
// 基本属性与扩展属性对调顺序
|
||
for (var i = 0; i < fs.Count; i++)
|
||
{
|
||
var fi = fs[i];
|
||
if (fi.OriField != null)
|
||
{
|
||
var k = fs.IndexOf(fi.OriField);
|
||
if (k >= 0)
|
||
{
|
||
fs[i] = fs[k];
|
||
fs[k] = fi;
|
||
}
|
||
}
|
||
}
|
||
|
||
// 要导出的数据超大时，启用流式输出
|
||
if (Factory.Session.Count > 100_000)
|
||
{
|
||
var p = Session[CacheKey] as Pager;
|
||
p = new Pager(p)
|
||
{
|
||
PageSize = 1,
|
||
RetrieveTotalCount = true
|
||
};
|
||
SearchData(p);
|
||
}
|
||
|
||
SetAttachment(null, ".xls", true);
|
||
|
||
var rs = Response;
|
||
var headers = rs.Headers;
|
||
headers[HeaderNames.ContentEncoding] = "UTF8";
|
||
headers[HeaderNames.ContentType] = "application/vnd.ms-excel";
|
||
|
||
var data = ExportData(1);
|
||
await OnExportExcel(fs, data, rs.Body);
|
||
|
||
return new EmptyResult();
|
||
}
|
||
|
||
/// <summary>导出Excel，可重载修改要输出的列</summary>
|
||
/// <param name="fs">字段列表</param>
|
||
/// <param name="list">数据集</param>
|
||
/// <param name="output">输出流</param>
|
||
protected virtual async ValueTask OnExportExcel(List<FieldItem> fs, IEnumerable<TEntity> list, Stream output)
|
||
{
|
||
await using var csv = new CsvFile(output, true);
|
||
|
||
// 列头
|
||
var headers = new List<String>();
|
||
foreach (var fi in fs)
|
||
{
|
||
var name = fi.DisplayName;
|
||
if (name.IsNullOrEmpty()) name = fi.Description;
|
||
if (name.IsNullOrEmpty()) name = fi.Name;
|
||
|
||
// 第一行以ID开头的csv文件，容易被识别为SYLK文件
|
||
if (name == "ID" && fi == fs[0]) name = "Id";
|
||
headers.Add(name);
|
||
}
|
||
await csv.WriteLineAsync(headers);
|
||
|
||
// 内容
|
||
foreach (var entity in list)
|
||
{
|
||
await csv.WriteLineAsync(fs.Select(e => entity[e.Name]));
|
||
}
|
||
}
|
||
|
||
/// <summary>导出Csv</summary>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("导出")]
|
||
public virtual async Task<ActionResult> ExportCsv()
|
||
{
|
||
// 准备需要输出的列
|
||
var fs = Factory.Fields.ToList();
|
||
|
||
if (Factory.Session.Count > 100_000)
|
||
{
|
||
var p = Session[CacheKey] as Pager;
|
||
p = new Pager(p)
|
||
{
|
||
PageSize = 1,
|
||
RetrieveTotalCount = true
|
||
};
|
||
SearchData(p);
|
||
}
|
||
|
||
var name = GetType().Name.TrimEnd("Controller");
|
||
SetAttachment(name, ".csv", true);
|
||
|
||
var rs = Response;
|
||
var headers = rs.Headers;
|
||
headers[HeaderNames.ContentEncoding] = "UTF8";
|
||
headers[HeaderNames.ContentType] = "application/vnd.ms-excel";
|
||
|
||
//// 允许同步IO，便于CsvFile刷数据Flush
|
||
//var ft = HttpContext.Features.Get<Microsoft.AspNetCore.Http.Features.IHttpBodyControlFeature>();
|
||
//if (ft != null) ft.AllowSynchronousIO = true;
|
||
|
||
var data = ExportData();
|
||
await OnExportCsv(fs, data, rs.Body);
|
||
|
||
return new EmptyResult();
|
||
}
|
||
|
||
/// <summary>导出Csv，可重载修改要输出的列</summary>
|
||
/// <param name="fs">字段列表</param>
|
||
/// <param name="list">数据集</param>
|
||
/// <param name="output">输出流</param>
|
||
protected virtual async ValueTask OnExportCsv(List<FieldItem> fs, IEnumerable<TEntity> list, Stream output)
|
||
{
|
||
await using var csv = new CsvFile(output, true);
|
||
|
||
// 列头
|
||
var headers = fs.Select(e => e.Name).ToArray();
|
||
if (headers[0] == "ID") headers[0] = "Id";
|
||
await csv.WriteLineAsync(headers);
|
||
|
||
// 内容
|
||
foreach (var entity in list)
|
||
{
|
||
await csv.WriteLineAsync(fs.Select(e => entity[e.Name]));
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region 备份/还原/导出/分享
|
||
/// <summary>备份到服务器本地目录</summary>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("备份")]
|
||
public virtual ActionResult Backup()
|
||
{
|
||
try
|
||
{
|
||
var fact = Factory;
|
||
if (fact.Session.Count > 10_000_000) throw new XException($"数据量[{fact.Session.Count:n0}>10_000_000]，禁止备份！");
|
||
|
||
var dal = fact.Session.Dal;
|
||
|
||
var name = GetType().Name.TrimEnd("Controller");
|
||
var fileName = $"{name}_{DateTime.Now:yyyyMMddHHmmss}.gz";
|
||
var bak = NewLife.Setting.Current.BackupPath.CombinePath(fileName).GetBasePath();
|
||
bak.EnsureDirectory(true);
|
||
|
||
var rs = dal.Backup(fact.Table.DataTable, bak);
|
||
|
||
WriteLog("备份", true, $"备份[{fileName}]（{rs:n0}行）成功！");
|
||
|
||
return Json(0, $"备份[{fileName}]（{rs:n0}行）成功！");
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
XTrace.WriteException(ex);
|
||
|
||
WriteLog("备份", false, ex.GetMessage());
|
||
|
||
return Json(500, null, ex);
|
||
}
|
||
}
|
||
|
||
/// <summary>备份导出</summary>
|
||
/// <remarks>备份并下载</remarks>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("导出")]
|
||
public virtual async Task<ActionResult> BackupAndExport()
|
||
{
|
||
var fact = Factory;
|
||
if (fact.Session.Count > 10_000_000) throw new XException($"数据量[{fact.Session.Count:n0}>10_000_000]，禁止备份！");
|
||
|
||
var dal = fact.Session.Dal;
|
||
|
||
var name = GetType().Name.TrimEnd("Controller");
|
||
SetAttachment(name, ".gz", true);
|
||
|
||
// 允许同步IO，便于刷数据Flush
|
||
var ft = HttpContext.Features.Get<Microsoft.AspNetCore.Http.Features.IHttpBodyControlFeature>();
|
||
if (ft != null) ft.AllowSynchronousIO = true;
|
||
|
||
var ms = Response.Body;
|
||
try
|
||
{
|
||
await using var gs = new GZipStream(ms, CompressionLevel.Optimal, true);
|
||
var count = dal.Backup(fact.Table.DataTable, gs);
|
||
|
||
WriteLog("备份导出", true, $"备份[{name}]（{count:n0}行）成功！");
|
||
|
||
return new EmptyResult();
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
XTrace.WriteException(ex);
|
||
|
||
WriteLog("备份导出", false, ex.GetMessage());
|
||
|
||
return Json(500, null, ex);
|
||
}
|
||
}
|
||
|
||
/// <summary>分享数据</summary>
|
||
/// <remarks>
|
||
/// 为当前url创建用户令牌
|
||
/// </remarks>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("分享{type}")]
|
||
public virtual ActionResult Share()
|
||
{
|
||
// 当前用户所有令牌
|
||
var userId = ManageProvider.User.ID;
|
||
var list = UserToken.Search(null, userId, true, DateTime.Now, DateTime.MinValue, null);
|
||
|
||
var p = Session[CacheKey] as Pager;
|
||
p = new Pager(p)
|
||
{
|
||
RetrieveTotalCount = false,
|
||
};
|
||
|
||
// 构造url
|
||
var cs = GetControllerAction();
|
||
var url = cs[0].IsNullOrEmpty() ? $"/{cs[1]}" : $"/{cs[0]}/{cs[1]}";
|
||
var sb = p.GetBaseUrl(true, true, true);
|
||
if (sb.Length > 0) url += "?" + sb;
|
||
|
||
// 如果该url已存在，则延长有效期
|
||
var ut = list.FirstOrDefault(e => e.Url.EqualIgnoreCase(url));
|
||
ut ??= new UserToken { UserID = userId, Url = url };
|
||
|
||
if (ut.Token.IsNullOrEmpty()) ut.Token = Rand.NextString(8);
|
||
ut.Enable = true;
|
||
ut.Expire = DateTime.Now.AddSeconds(CubeSetting.Current.ShareExpire);
|
||
ut.Save();
|
||
|
||
//var url2 = $"/Admin/UserToken?q={ut.Token}";
|
||
|
||
//return Json(0, "分享成功！" + url, null, new { url = url2, time = 3 });
|
||
|
||
return RedirectToAction("Index", "UserToken", new { area = "Admin", q = ut.Token });
|
||
}
|
||
#endregion
|
||
|
||
#region 模版Action
|
||
/// <summary>生成列表</summary>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("生成列表")]
|
||
public ActionResult MakeList()
|
||
{
|
||
if (!SysConfig.Current.Develop) throw new InvalidOperationException("仅支持开发模式下使用！");
|
||
|
||
// 找到项目根目录
|
||
var root = GetProjectRoot();
|
||
|
||
// 视图路径，Areas/区域/Views/控制器/_List_Data.cshtml
|
||
var cs = GetControllerAction();
|
||
var vpath = $"Areas/{cs[0]}/Views/{cs[1]}/_List_Data.cshtml";
|
||
if (!root.IsNullOrEmpty()) vpath = root.EnsureEnd("/") + vpath;
|
||
|
||
_ = ViewHelper.MakeListView(typeof(TEntity), vpath, ListFields);
|
||
|
||
WriteLog("生成列表", true, vpath);
|
||
|
||
return RedirectToAction("Index");
|
||
}
|
||
|
||
/// <summary>生成表单</summary>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("生成表单")]
|
||
public ActionResult MakeForm()
|
||
{
|
||
if (!SysConfig.Current.Develop) throw new InvalidOperationException("仅支持开发模式下使用！");
|
||
|
||
// 找到项目根目录
|
||
var root = GetProjectRoot();
|
||
|
||
// 视图路径，Areas/区域/Views/控制器/_Form_Body.cshtml
|
||
var cs = GetControllerAction();
|
||
var vpath = $"Areas/{cs[0]}/Views/{cs[1]}/_Form_Body.cshtml";
|
||
if (!root.IsNullOrEmpty()) vpath = root.EnsureEnd("/") + vpath;
|
||
|
||
_ = ViewHelper.MakeFormView(typeof(TEntity), vpath, EditFormFields);
|
||
|
||
WriteLog("生成表单", true, vpath);
|
||
|
||
return RedirectToAction("Index");
|
||
}
|
||
|
||
/// <summary>生成搜索</summary>
|
||
/// <returns></returns>
|
||
[EntityAuthorize(PermissionFlags.Detail)]
|
||
[DisplayName("生成搜索")]
|
||
public ActionResult MakeSearch()
|
||
{
|
||
if (!SysConfig.Current.Develop) throw new InvalidOperationException("仅支持开发模式下使用！");
|
||
|
||
// 找到项目根目录
|
||
var root = GetProjectRoot();
|
||
|
||
// 视图路径，Areas/区域/Views/控制器/_List_Search.cshtml
|
||
var cs = GetControllerAction();
|
||
var vpath = $"Areas/{cs[0]}/Views/{cs[1]}/_List_Search.cshtml";
|
||
if (!root.IsNullOrEmpty()) vpath = root.EnsureEnd("/") + vpath;
|
||
|
||
_ = ViewHelper.MakeSearchView(typeof(TEntity), vpath, ListFields);
|
||
|
||
WriteLog("生成搜索", true, vpath);
|
||
|
||
return RedirectToAction("Index");
|
||
}
|
||
|
||
private String GetProjectRoot()
|
||
{
|
||
var asm = GetType().Assembly;
|
||
var name = asm.GetName().Name;
|
||
|
||
// core程序出现这种情况：bin/Debug/netcoreapp3.1
|
||
// 因此添加"../../../"
|
||
var ps = new[] { "./", "../../", "../../" + name, "../../../", "../../../" + name };
|
||
String err = null;
|
||
foreach (var item in ps)
|
||
{
|
||
var dir = item.AsDirectory();
|
||
err += dir + "；";
|
||
if (!dir.Exists) continue;
|
||
var fis = dir.GetFiles("*.csproj", SearchOption.TopDirectoryOnly);
|
||
if (fis != null && fis.Length > 0) return item;
|
||
}
|
||
|
||
// 找不到项目根目录，就用当前目录，因为某些项目文件名和输出名可能不一致
|
||
return "./";
|
||
|
||
//err = $"遍历以下路径均找不到项目路径，请检查项目路径：{err}";
|
||
//throw new InvalidOperationException(err);
|
||
}
|
||
#endregion
|
||
|
||
#region 实体操作重载
|
||
/// <summary>验证实体对象</summary>
|
||
/// <param name="entity">实体对象</param>
|
||
/// <param name="type">操作类型</param>
|
||
/// <param name="post">是否提交数据阶段</param>
|
||
/// <returns></returns>
|
||
protected virtual Boolean Valid(TEntity entity, DataObjectMethodType type, Boolean post)
|
||
{
|
||
if (!ValidPermission(entity, type, post))
|
||
{
|
||
switch (type)
|
||
{
|
||
case DataObjectMethodType.Select: throw new NoPermissionException(PermissionFlags.Detail, "无权查看数据");
|
||
case DataObjectMethodType.Update: throw new NoPermissionException(PermissionFlags.Update, "无权更新数据");
|
||
case DataObjectMethodType.Insert: throw new NoPermissionException(PermissionFlags.Insert, "无权新增数据");
|
||
case DataObjectMethodType.Delete: throw new NoPermissionException(PermissionFlags.Delete, "无权删除数据");
|
||
}
|
||
}
|
||
|
||
if (post && LogOnChange)
|
||
{
|
||
// 必须提前写修改日志，否则修改后脏数据失效，保存的日志为空
|
||
if (type == DataObjectMethodType.Delete ||
|
||
(type == DataObjectMethodType.Update && (entity as IEntity).HasDirty))
|
||
LogProvider.Provider.WriteLog(type + "", entity);
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/// <summary>验证实体对象</summary>
|
||
/// <param name="entity">实体对象</param>
|
||
/// <param name="type">操作类型</param>
|
||
/// <param name="post">是否提交数据阶段</param>
|
||
/// <returns></returns>
|
||
protected virtual Boolean ValidPermission(TEntity entity, DataObjectMethodType type, Boolean post) => true;
|
||
#endregion
|
||
|
||
#region 列表字段和表单字段
|
||
private static FieldCollection _ListFields;
|
||
/// <summary>列表字段过滤</summary>
|
||
protected static FieldCollection ListFields => _ListFields ??= new FieldCollection(Factory, ViewKinds.List);
|
||
|
||
//private static FieldCollection _FormFields;
|
||
///// <summary>表单字段过滤</summary>
|
||
//[Obsolete]
|
||
//protected static FieldCollection FormFields => _FormFields ??= new FieldCollection(Factory, "Form");
|
||
|
||
private static FieldCollection _AddFormFields;
|
||
/// <summary>表单字段过滤</summary>
|
||
protected static FieldCollection AddFormFields => _AddFormFields ??= new FieldCollection(Factory, ViewKinds.AddForm);
|
||
|
||
private static FieldCollection _EditFormFields;
|
||
/// <summary>表单字段过滤</summary>
|
||
protected static FieldCollection EditFormFields => _EditFormFields ??= new FieldCollection(Factory, ViewKinds.EditForm);
|
||
|
||
private static FieldCollection _DetailFields;
|
||
/// <summary>表单字段过滤</summary>
|
||
protected static FieldCollection DetailFields => _DetailFields ??= new FieldCollection(Factory, ViewKinds.Detail);
|
||
|
||
/// <summary>获取字段信息。支持用户重载并根据上下文定制界面</summary>
|
||
/// <param name="kind">字段类型：详情-Detail、编辑-EditForm、添加-AddForm、列表-List</param>
|
||
/// <param name="model"></param>
|
||
/// <returns></returns>
|
||
protected virtual FieldCollection OnGetFields(ViewKinds kind, IModel model)
|
||
{
|
||
var fields = kind switch
|
||
{
|
||
ViewKinds.List => ListFields,
|
||
ViewKinds.Detail => DetailFields,
|
||
ViewKinds.AddForm => AddFormFields,
|
||
ViewKinds.EditForm => EditFormFields,
|
||
_ => ListFields,
|
||
};
|
||
return fields.Clone();
|
||
}
|
||
|
||
/// <summary>
|
||
/// 获取字段
|
||
/// </summary>
|
||
/// <param name="kind">字段类型：详情-Detail、编辑-EditForm、添加-AddForm、列表-List</param>
|
||
/// <param name="formatType">Name和ColumnName的值的格式。0-小驼峰，1-小写，2-保持默认。默认0</param>
|
||
/// <returns></returns>
|
||
[AllowAnonymous]
|
||
public virtual ActionResult GetFields(ViewKinds kind)
|
||
{
|
||
var fields = OnGetFields(kind, null);
|
||
|
||
Object data = new { code = 0, data = fields };
|
||
|
||
return new JsonResult(data);
|
||
}
|
||
#endregion
|
||
|
||
#region 权限菜单
|
||
/// <summary>控制器对应菜单</summary>
|
||
protected static IMenu ThisMenu { get; set; }
|
||
|
||
/// <summary>
|
||
/// 模型表设置，生成模型表数据之后调用
|
||
/// </summary>
|
||
protected static Func<ModelTable, ModelTable> ModelTableSetting { get; set; } = table => table;
|
||
|
||
/// <summary>控制器对应模型表</summary>
|
||
protected static ModelTable ModelTable
|
||
{
|
||
get
|
||
{
|
||
var menu = ThisMenu;
|
||
var pmenu = menu?.Parent;
|
||
return ModelTable.FindByCategoryAndName(pmenu?.Name, menu?.Name);
|
||
//return ModelTable.FindByCategoryAndName(pmenu?.Name, menu?.Name) ??
|
||
// ModelTableSetting(ModelTable.ScanModel(pmenu?.Name, menu?.Name, menu?.FullName, menu?.Url.TrimStart("~"), Entity<TEntity>.Meta.Factory));
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 实体过滤器，根据模型列的表单显示类型，不显示的字段去掉
|
||
/// </summary>
|
||
/// <param name="entity"></param>
|
||
/// <param name="showInForm"></param>
|
||
/// <returns></returns>
|
||
protected virtual TEntity EntityFilter(TEntity entity, ShowInForm showInForm)
|
||
{
|
||
if (entity == null) return null;
|
||
var modelTable = ModelTable;
|
||
|
||
var modelColumns = modelTable?.GetColumns()?.Where(w => !w.ShowInForm.HasFlag(showInForm));
|
||
|
||
if (modelColumns == null) return entity;
|
||
|
||
foreach (var column in modelColumns)
|
||
{
|
||
if (entity[column.Name] != null) entity[column.Name] = null;
|
||
}
|
||
|
||
return entity;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 实体列表过滤器，根据模型列的列表页显示类型，不显示的字段去掉
|
||
/// </summary>
|
||
/// <param name="entities"></param>
|
||
/// <returns></returns>
|
||
protected virtual IEnumerable<TEntity> EntitiesFilter(IEnumerable<TEntity> entities)
|
||
{
|
||
if (entities == null) return null;
|
||
var modelTable = ModelTable;
|
||
// 不显示的列
|
||
var modelColumns = modelTable?.GetColumns()?.Where(w => !w.ShowInList).ToList();
|
||
|
||
if (modelColumns == null) return entities;
|
||
|
||
foreach (var entity in entities)
|
||
{
|
||
foreach (var column in modelColumns.Where(column => entity[column.Name] != null))
|
||
{
|
||
entity[column.Name] = null;
|
||
}
|
||
}
|
||
|
||
return entities;
|
||
}
|
||
#endregion
|
||
} |