public void pro_ShowBook_tw(HttpContext context) {
DataTable dt = null; string cacheKey = "GetList"; ///唯一的key值 if (HttpContext.Current.Cache[cacheKey] == null) ///是否存在 { dt = BLL.BLL_Activity2019.pro_ShowBook_tw(); ///不存在，查询数据 if (dt.Rows.Count > 0) { HttpContext.Current.Cache.Insert(cacheKey, dt, null, DateTime.Now.AddMinutes(10), System.Web.Caching.Cache.NoSlidingExpiration);// 缓存10分钟 }
} else { dt = (DataTable)HttpContext.Current.Cache[cacheKey]; ///存在查询缓存 }
string result = JsonConvert.SerializeObject(new{data = new { list = dt }});转换成json
context.Response.Write(result);
}
转载于:https://www.cnblogs.com/yjm8023/p/11024371.html
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