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#if !__CORE__

using System;

using System.Web;

using NewLife.Web;

using XCode.DataAccessLayer;

namespace XCode.Web

{

/// <summary>页面查询执行时间模块</summary>

public class DbRunTimeModule : RunTimeModule

{

/// <summary>执行时间字符串</summary>

public static String DbRunTimeFormat { get; set; } = "查询{0}次，执行{1}次，耗时{2:n0}毫秒！";

/// <summary>初始化模块，准备拦截请求。</summary>

/// <param name="context"></param>

protected override void OnInit(HttpContext context)

{

context.Items["DAL.QueryTimes"] = DAL.QueryTimes;

context.Items["DAL.ExecuteTimes"] = DAL.ExecuteTimes;

}

/// <summary>输出</summary>

/// <param name="context"></param>

/// <returns></returns>

protected override String Render(HttpContext context)

{

var ts = DateTime.Now - context.Timestamp;

var StartQueryTimes = (Int32)context.Items["DAL.QueryTimes"];

var StartExecuteTimes = (Int32)context.Items["DAL.ExecuteTimes"];

return String.Format(DbRunTimeFormat, DAL.QueryTimes - StartQueryTimes, DAL.ExecuteTimes - StartExecuteTimes, ts.TotalMilliseconds);

}

}

}

#endif