04 2021 档案
摘要：use DB; -- 添加索引，index_type为索引名称，student为表名 type为列表 ALTER TABLE `student` ADD INDEX index_type (`type`) -- 删除索引，index_type为索引名称，student为表名 drop index i
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摘要：(from b in _db.order_info where b.status != 3 group new { b.batchnumber, b.create_time } by new { b.merchant_id, b.batchnumber } into g select new Use
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摘要：var _obj= JsonConvert.DeserializeObject<responseResult>(responseStr); if (responseObj.ActionResult == "1") { JArray _jarray= responseObj.Data as JArra
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摘要：/// <summary> /// 获取客户Ip /// </summary> /// <param name="context"></param> /// <returns></returns> public static string GetClientUserIp(this HttpConte
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摘要：mysql用法： select inet_aton('192.168.2.1'); -- 192.168.2.1 3232236033 select inet_ntoa(3232236033); c#用法： public static string IntToIp(long ipInt) { Str
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