Own.DAL/CommonDal.cs

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using Own.IDAL;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Own.Models;
using System.Data.Entity;
using System.Data.SqlClient;
using System.Data;
using System.Linq.Expressions;

namespace Own.DAL
{
    public class CommonDal<T> : ICommonDal<T> where T : class, new()
    {
        OwnEntities db;
        public CommonDal(OwnEntities context)
        {
            this.db = context;
        }

        public OwnEntities Context
        {
            get { return db; }
        }

        #region Insert
        /// <summary>
        /// 新增
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public virtual bool Create(T model)
        {
            db.Set<T>().Add(model);
            return db.SaveChanges() > 0;
        }

        /// <summary>
        /// 批量新增
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public virtual bool CreateRange(IQueryable<T> model)
        {
            db.Set<T>().AddRange(model);
            return db.SaveChanges() > 0;
        }
        #endregion

        #region Delete
        /// <summary>
        /// 按主键删除
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public virtual bool Delete(dynamic id)
        {
            T model = GetById(id);