Books.Service/BaseService.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Books.Service.Entity;

namespace Books.Service
{
    public class BaseService<T>where T:BaseEntity
    {
        public BookDbContext db;
        public BaseService()
        {
            db = new BookDbContext();
        }
        /// <summary>
        /// 获取所有数据
        /// </summary>
        /// <returns></returns>
        public IQueryable<T> GetAll()
        {
            return db.Set<T>().Where(e => !e.IsDeleted);
        }
        /// <summary>
        /// 获取一条数据
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public T GetId(int id)
        {
            return GetAll().Where(e => e.Id == id).SingleOrDefault();
        }
        public int SaveChanges()
        {
            return db.SaveChanges();
        }
        
    }
}