geboshi_V1/LeatherProject/Service/Repository.cs

using SqlSugar;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace Service
{
    public class Repository<T> : SimpleClient<T> where T : class, new()
    { 
        public Repository(ISqlSugarClient context = null) : base(context)//注意这里要有默认值等于null
        {
            if (context == null)
            {
                base.Context = new SqlSugarClient(new ConnectionConfig()
                {
                    DbType = SqlSugar.DbType.MySql,
                    //InitKeyType = InitKeyType.Attribute,
                    IsAutoCloseConnection = true,
                    ConnectionString = InitDB.ConnectionString 
                });

                base.Context.Aop.OnLogExecuting = (s, p) =>
                {
                    //Console.WriteLine(s);
                    string param = "";
                    p.ToList().ForEach(pp => param += $"{pp.ParameterName}={pp.Value};");
                    //File.AppendAllText(@"f:\sql.txt", s + " | " + param + "\r\n");
                    //InitDB.OutputDebugString(s+ " | "+ param);
                };
            }
        } 
        /// <summary>
        /// 扩展方法，自带方法不能满足的时候可以添加新方法
        /// </summary>
        /// <returns></returns>
        public List<T> CommQuery(string json)
        {
            T t = Context.Utilities.DeserializeObject<T>(json);
            var list = base.Context.Queryable<T>().WhereClass(t).ToList();
            return list;
        }
    }
}