﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>博客园-学无止境</title><link>http://www.cnblogs.com/mapk/</link><description>    莫道君行早，更有早行人。</description><language>zh-cn</language><lastBuildDate>Thu, 21 Aug 2008 23:25:56 GMT</lastBuildDate><pubDate>Thu, 21 Aug 2008 23:25:56 GMT</pubDate><ttl>60</ttl><item><title>跪求思路：大批量数据导出 </title><link>http://www.cnblogs.com/mapk/archive/2008/06/17/1224288.html</link><dc:creator>mapk</dc:creator><author>mapk</author><pubDate>Tue, 17 Jun 2008 14:55:00 GMT</pubDate><guid>http://www.cnblogs.com/mapk/archive/2008/06/17/1224288.html</guid><wfw:comment>http://www.cnblogs.com/mapk/comments/1224288.html</wfw:comment><comments>http://www.cnblogs.com/mapk/archive/2008/06/17/1224288.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.cnblogs.com/mapk/comments/commentRss/1224288.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/mapk/services/trackbacks/1224288.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 在做一个交通的项目，大致应用是这样的，在主要路口安装摄像机，采集通过车辆的信息，包括车速、车牌号码、近景图、远景图、号牌图等信息，把这些信息传至与它相连的工控机，工控机再把传至中心机房的数据库（数据量巨大）。我做的那块功能主要是对中心数据库数据的查询统计等功能。其中一个功能是可以查询过往车辆的信息，幷可查看对应的照片，在线查询的时候没什么问题（分页显示）。现在用户要求可以把这些查询的结果的导出，幷包含图片，幷能分页查看，跟在线查看一样。这可把我难住了，导出就要求把所有的查询结果一次取出来，数量可能数以万计，（比如查询某个时间段通过的所有车辆，为案件侦破提供线索）。<br />
这里边有三个棘手的问题：<br />
1. 应用是b/s结构，一次取出数以万计的记录导出，以什么形式？xml ? excel ? <br />
&nbsp;&nbsp;&nbsp; 如果把这么多的记录放到html页面里，光这个页面就要几十兆，估计一点击浏览器就死掉了。<br />
2. 导出的数据要求能翻页查看，翻页？怎么搞？<br />
3. 应用方式和在线查询一样，点击某条记录时可以查看照片，这些图片只是在数据库的表中存了个路径，实际位置可<br />
&nbsp;&nbsp; 能在工控机 也可能在文件服务器，在线查看的时候没什么问题，导出的话这些图片的下载怎么办？<br />
<br />
&nbsp;&nbsp;&nbsp;&nbsp;偶想来想出，没什么办法，只感觉到一点，不能不加限制的让他导出，一定要对导出的记录数量做个限制，要不他一下子导出十万、一百万条记录，那程序估计要挂了。<br />
&nbsp;&nbsp;&nbsp;这个功能还是比较有用的，比如某个单位向交警队要某个时间段通过某些路口的车辆的信息，交警队把导出的结果给他们。兄弟们给出出注意，咋办啊？<br />
<br />
<br />
<img src ="http://www.cnblogs.com/mapk/aggbug/1224288.html?type=1" width = "1" height = "1" /><br><br><a href="http://news.cnblogs.com/n/41822/" target="_blank">[新闻]第一财经周刊:当前互联网世界正处无秩序时代</a>]]></description></item><item><title>看到地震伤亡数字，我很心痛，提议dudu组织个募捐活动</title><link>http://www.cnblogs.com/mapk/archive/2008/05/12/1194134.html</link><dc:creator>mapk</dc:creator><author>mapk</author><pubDate>Mon, 12 May 2008 14:39:00 GMT</pubDate><guid>http://www.cnblogs.com/mapk/archive/2008/05/12/1194134.html</guid><wfw:comment>http://www.cnblogs.com/mapk/comments/1194134.html</wfw:comment><comments>http://www.cnblogs.com/mapk/archive/2008/05/12/1194134.html#Feedback</comments><slash:comments>24</slash:comments><wfw:commentRss>http://www.cnblogs.com/mapk/comments/commentRss/1194134.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/mapk/services/trackbacks/1194134.html</trackback:ping><description><![CDATA[<font face="Verdana">&nbsp;&nbsp;&nbsp; 看到地震伤亡数字，大大超出了我的想象，看来灾情很严重，真的很心痛，今年国家真是多灾多难啊。<br />
&nbsp;&nbsp;&nbsp; 真想为灾区人民尽点力，希望dudu能组织个募捐活动，建个账号，大家自愿捐款，最后由博客园统一交给有关组织，算是表达咱们程序员的一点心意。</font>
  <img src ="http://www.cnblogs.com/mapk/aggbug/1194134.html?type=1" width = "1" height = "1" /><br><br><a href="http://news.cnblogs.com/n/41820/" target="_blank">[新闻]Visual Studio 2008 SDK 1.1 发布</a>]]></description></item><item><title>阳春三月，放飞希望---希望今年不再碌碌无为</title><link>http://www.cnblogs.com/mapk/archive/2008/03/21/1116557.html</link><dc:creator>mapk</dc:creator><author>mapk</author><pubDate>Fri, 21 Mar 2008 07:31:00 GMT</pubDate><guid>http://www.cnblogs.com/mapk/archive/2008/03/21/1116557.html</guid><wfw:comment>http://www.cnblogs.com/mapk/comments/1116557.html</wfw:comment><comments>http://www.cnblogs.com/mapk/archive/2008/03/21/1116557.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cnblogs.com/mapk/comments/commentRss/1116557.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/mapk/services/trackbacks/1116557.html</trackback:ping><description><![CDATA[摘要: 中国特色，做软件也一样。<br>&nbsp;&nbsp;<a href='http://www.cnblogs.com/mapk/archive/2008/03/21/1116557.html'>阅读全文</a><img src ="http://www.cnblogs.com/mapk/aggbug/1116557.html?type=1" width = "1" height = "1" /><br><br><a href="http://news.cnblogs.com/n/41821/" target="_blank">[新闻]死敌VMware变身微软认证计划新成员</a>]]></description></item><item><title>仓颉如果来做软件，一定是一位开山式人物</title><link>http://www.cnblogs.com/mapk/archive/2008/02/12/1067211.html</link><dc:creator>mapk</dc:creator><author>mapk</author><pubDate>Tue, 12 Feb 2008 05:19:00 GMT</pubDate><guid>http://www.cnblogs.com/mapk/archive/2008/02/12/1067211.html</guid><wfw:comment>http://www.cnblogs.com/mapk/comments/1067211.html</wfw:comment><comments>http://www.cnblogs.com/mapk/archive/2008/02/12/1067211.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cnblogs.com/mapk/comments/commentRss/1067211.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/mapk/services/trackbacks/1067211.html</trackback:ping><description><![CDATA[摘要: 汉字“超方言”的特点符合软件中的“低耦合”的原则；<br>“意”和“音”的特点符合分层的思想，即“逻辑层”（意）和“表现层”（音），<br>在遥远的古代，仓颉就具有这样的思想，真是一位了不起的天才。 &nbsp;&nbsp;<a href='http://www.cnblogs.com/mapk/archive/2008/02/12/1067211.html'>阅读全文</a><img src ="http://www.cnblogs.com/mapk/aggbug/1067211.html?type=1" width = "1" height = "1" /><br><br><a href="http://news.cnblogs.com/n/41819/" target="_blank">[新闻]英特尔雅虎开发网络计算机频道</a>]]></description></item><item><title>关于面试的一点感受</title><link>http://www.cnblogs.com/mapk/archive/2008/01/26/1054612.html</link><dc:creator>mapk</dc:creator><author>mapk</author><pubDate>Sat, 26 Jan 2008 14:22:00 GMT</pubDate><guid>http://www.cnblogs.com/mapk/archive/2008/01/26/1054612.html</guid><wfw:comment>http://www.cnblogs.com/mapk/comments/1054612.html</wfw:comment><comments>http://www.cnblogs.com/mapk/archive/2008/01/26/1054612.html#Feedback</comments><slash:comments>5</slash:comments><wfw:commentRss>http://www.cnblogs.com/mapk/comments/commentRss/1054612.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/mapk/services/trackbacks/1054612.html</trackback:ping><description><![CDATA[摘要: 大家印象最深的面试是什么样的，交流一下了....<br>  &nbsp;&nbsp;<a href='http://www.cnblogs.com/mapk/archive/2008/01/26/1054612.html'>阅读全文</a><img src ="http://www.cnblogs.com/mapk/aggbug/1054612.html?type=1" width = "1" height = "1" /><br><br><a href="http://news.cnblogs.com/n/41818/" target="_blank">[新闻]Windows Live视频邮件9月9日开始测试</a>]]></description></item><item><title>复习功课：对进程、线程、应用程序域的理解</title><link>http://www.cnblogs.com/mapk/archive/2008/01/26/1041919.html</link><dc:creator>mapk</dc:creator><author>mapk</author><pubDate>Sat, 26 Jan 2008 13:53:00 GMT</pubDate><guid>http://www.cnblogs.com/mapk/archive/2008/01/26/1041919.html</guid><wfw:comment>http://www.cnblogs.com/mapk/comments/1041919.html</wfw:comment><comments>http://www.cnblogs.com/mapk/archive/2008/01/26/1041919.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cnblogs.com/mapk/comments/commentRss/1041919.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/mapk/services/trackbacks/1041919.html</trackback:ping><description><![CDATA[摘要:   前几天面试的一道题是谈谈进程、线程、应用程序域的区别，虽然能说上来几点，但感觉理解的很肤浅、很不透彻，闲暇时从书箱里翻出尘封已久的《操作系统》（还好，毕业时偶没舍得卖），翻了翻进程的那一章。看之前我列出了下面三个问题：<br>1. 这些概念（技术）出现的背景以及要解决的问题 （要干什么）<br>2. 它们之间的联系与区别<br>3. 三者之间的发展脉络&nbsp;&nbsp;<a href='http://www.cnblogs.com/mapk/archive/2008/01/26/1041919.html'>阅读全文</a><img src ="http://www.cnblogs.com/mapk/aggbug/1041919.html?type=1" width = "1" height = "1" /><br><br><a href="http://news.cnblogs.com/n/41818/" target="_blank">[新闻]Windows Live视频邮件9月9日开始测试</a>]]></description></item><item><title>园子里的兄弟，谁到这家公司面试过，来评一下笔试题了</title><link>http://www.cnblogs.com/mapk/archive/2008/01/14/1037895.html</link><dc:creator>mapk</dc:creator><author>mapk</author><pubDate>Mon, 14 Jan 2008 07:08:00 GMT</pubDate><guid>http://www.cnblogs.com/mapk/archive/2008/01/14/1037895.html</guid><wfw:comment>http://www.cnblogs.com/mapk/comments/1037895.html</wfw:comment><comments>http://www.cnblogs.com/mapk/archive/2008/01/14/1037895.html#Feedback</comments><slash:comments>17</slash:comments><wfw:commentRss>http://www.cnblogs.com/mapk/comments/commentRss/1037895.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/mapk/services/trackbacks/1037895.html</trackback:ping><description><![CDATA[摘要: 园子里的兄弟，到过这家公司面试过的，来评一下笔试题了&nbsp;&nbsp;<a href='http://www.cnblogs.com/mapk/archive/2008/01/14/1037895.html'>阅读全文</a><img src ="http://www.cnblogs.com/mapk/aggbug/1037895.html?type=1" width = "1" height = "1" /><br><br><a href="http://news.cnblogs.com/n/41817/" target="_blank">[新闻]Intel首次公开展示Nehalem架构迅驰3平台</a>]]></description></item><item><title>推荐：一道让我惦记了一年的机试题</title><link>http://www.cnblogs.com/mapk/archive/2008/01/13/1037090.html</link><dc:creator>mapk</dc:creator><author>mapk</author><pubDate>Sun, 13 Jan 2008 12:00:00 GMT</pubDate><guid>http://www.cnblogs.com/mapk/archive/2008/01/13/1037090.html</guid><wfw:comment>http://www.cnblogs.com/mapk/comments/1037090.html</wfw:comment><comments>http://www.cnblogs.com/mapk/archive/2008/01/13/1037090.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.cnblogs.com/mapk/comments/commentRss/1037090.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/mapk/services/trackbacks/1037090.html</trackback:ping><description><![CDATA[摘要: 一年前俺想跳槽，面试了几个公司，其中有一个公司时在技术主管面试之后给了一道上机题让回家做，并在晚上12点之前发给他。当时俺没做，今天闲来无事想起这道题就做做看，仔细想想，这道题确实有水平，至少在俺经历的面试里边是让俺佩服的一个。&nbsp;&nbsp;<a href='http://www.cnblogs.com/mapk/archive/2008/01/13/1037090.html'>阅读全文</a><img src ="http://www.cnblogs.com/mapk/aggbug/1037090.html?type=1" width = "1" height = "1" /><br><br><a href="http://news.cnblogs.com/n/41816/" target="_blank">[新闻]Pogo浏览器</a>]]></description></item><item><title>我的2007-成绩没有，郁闷经常</title><link>http://www.cnblogs.com/mapk/archive/2007/12/25/1014770.html</link><dc:creator>mapk</dc:creator><author>mapk</author><pubDate>Tue, 25 Dec 2007 14:47:00 GMT</pubDate><guid>http://www.cnblogs.com/mapk/archive/2007/12/25/1014770.html</guid><wfw:comment>http://www.cnblogs.com/mapk/comments/1014770.html</wfw:comment><comments>http://www.cnblogs.com/mapk/archive/2007/12/25/1014770.html#Feedback</comments><slash:comments>7</slash:comments><wfw:commentRss>http://www.cnblogs.com/mapk/comments/commentRss/1014770.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/mapk/services/trackbacks/1014770.html</trackback:ping><description><![CDATA[摘要: 老友发来一条短信：提前预祝我们这些表面风光，内心彷徨；容颜未老，心已沧桑；成就难有，郁闷经常，比骡子累比蚂蚁忙.....&nbsp;&nbsp;<a href='http://www.cnblogs.com/mapk/archive/2007/12/25/1014770.html'>阅读全文</a><img src ="http://www.cnblogs.com/mapk/aggbug/1014770.html?type=1" width = "1" height = "1" /><br><br><a href="http://news.cnblogs.com/n/41807/" target="_blank">[新闻]洪磊口述:番茄花园如何捆绑流氓软件月入十万</a>]]></description></item><item><title>两个异常：a circular  reference was detected while serializing及 Maximum length exceeded</title><link>http://www.cnblogs.com/mapk/archive/2007/12/09/988644.html</link><dc:creator>mapk</dc:creator><author>mapk</author><pubDate>Sun, 09 Dec 2007 14:04:00 GMT</pubDate><guid>http://www.cnblogs.com/mapk/archive/2007/12/09/988644.html</guid><wfw:comment>http://www.cnblogs.com/mapk/comments/988644.html</wfw:comment><comments>http://www.cnblogs.com/mapk/archive/2007/12/09/988644.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnblogs.com/mapk/comments/commentRss/988644.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/mapk/services/trackbacks/988644.html</trackback:ping><description><![CDATA[摘要: web.config中的<jsonSerialization maxJsonLength="50"><converters>......配置节注释掉了，不能对datatable进行服务器端到客户端对象的转换了。&nbsp;&nbsp;<a href='http://www.cnblogs.com/mapk/archive/2007/12/09/988644.html'>阅读全文</a><img src ="http://www.cnblogs.com/mapk/aggbug/988644.html?type=1" width = "1" height = "1" /><br><br><a href="http://news.cnblogs.com/n/41813/" target="_blank">[新闻]2008年8月21日IT博客精选：盖茨复出？</a>]]></description></item></channel></rss>