Tomcat中用web.xml控制Web应用详解

1 定义头和根元素

部署描述符文件就像所有XML文件一样,必须以一个XML头开始。这个头声明可以使用的XML版本并给出文件的字符编码。
DOCYTPE声明必须立即出现在此头之后。这个声明告诉服务器适用的servlet规范的版本(如2.2或2.3)并指定管理此文件其余部分内容的语法的DTD(Document Type Definition,文档类型定义)。
所有部署描述符文件的顶层(根)元素为web-app。请注意,XML元素不像HTML,他们是大小写敏感的。因此,web-App和WEB-APP都是不合法的,web-app必须用小写。

2 部署描述符文件内的元素次序

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“What Does Love Mean?”

[p align=center]”What Does Love Mean?”[/p]

A group of professional people posed this question to a group of four through eight year olds, “What does love mean?” The answers they got were broader and deeper than anyone could have imagined. See what you think:

“Love is that first feeling you feel before all the bad stuff gets in the way.”

“When my grandmother got arthritis, she couldn’t bend over and paint her toenails anymore. So my grandfather does it for her all the time, even when his hands got arthritis too. That’s love.”

“When someone loves you, the way they say your name is different. You know that your name is safe in their mouth.”

“Love is when a girl puts on perfume and a boy puts on shaving cologne and they go out and smell each other.”

“Love is when you go out to eat and give somebody most of your french fries without making them give you any of theirs.”

“Love is when someone hurts you. And you get so mad but you don’t yell at them because you know it would hurt their feelings.”

“Love is what makes you smile when you’re tired.”

“Love is when my mommy makes coffee for my daddy and she takes a sip before giving it to him, to make sure the taste is OK.”

“Love is what’s in the room with you at Christmas if you stop opening presents and listen.”

“If you want to learn to love better, you should start with a friend who you hate.”

“When you tell someone something bad about yourself and you’re scared they won’t love you anymore. But then you get surprised because not only do they still love you, they love you even more.”

“There are two kinds of love: Our love and God’s love. But God makes both kinds of them.”

“Love is when you tell a guy you like his shirt, then he wears it everyday.”

“Love is like a little old woman and a little old man who are still friends even after they know each other so well.”

“During my piano recital, I was on a stage and scared. I looked at all the people watching me and saw my daddy waving and smiling. He was the only one doing that. I wasn’t scared anymore.”

“My mommy loves me more than anybody. You don’t see anyone else kissing me to sleep at night.”

“Love is when mommy gives daddy the best piece of chicken.”

“Love is when your puppy licks your face even after you left him alone all day.”

“I let my big sister pick on me because my Mom says she only picks on me because she loves me. So I pick on my baby sister because I love her.”

“Love cards like Valentine’s cards say stuff on them that we’re like to say ourselves, but we wouldn’t be caught dead saying.”

“When you love somebody, your eyelashes go up and down and little stars come out of you”

“You really shouldn’t say I love you?unless you mean it. But if you mean it, you should say it a lot. People forget.”

“God could have said magic words to make the nails fall off the cross, but He didn’t. That’s love.”

完美男人

   昨天写完对韩剧套路的评论,后来想想其实男二号其实才应该是理想人选嘛,长得不差又温柔体贴事业有成还不花心,这种男人打着灯笼都难找哦,心里还是要替他抱不平,也许还是印证那句老话,“男人不坏,女人不爱”?我是女人肯定嫁给男二号,绝对是幸福美满的一生嘛。

    昨天想想男人是不是看那种青蛙王子与公主的电视剧做做梦?oh。no。你要先成为王子才能变青蛙,但是我要是王子还变青蛙干什么,直接找个snow white了。想想还是中国武侠片比较适合中国男人,一开始都是一些平庸男人,后来总会有个奇遇找到个秘笈,吃个仙丹什么的,最后是一统天下左拥右抱美女如云,就是,我是大侠嘛,想想大唐双龙传,覆雨翻云,鹿鼎记什么的,都是男人意淫极品嘛。

   呵。没睡醒,胡思乱想啦。

七夕有感

   不知道怎么回事。现在是晚上睡不着。早上又醒得早,每天五六点就会醒一次,然后不管埋头再睡,八点多再起来,总这样也不是办法嘛。难道是未老先衰?别。我还年轻噢。

    昨天和班上一美女小P聊了两句,说到感情的时候发现每个女生的想法几乎都一样,在她们话里总会提到这两个字”缘份”,有段时间别人问我我也爱把缘份丟出来,当时想来缘份这两个字更多意味着被动,等着帅哥美女意中人出现在眼前,而没有说去主动争取,后来想想这个看法也未免太片面,周围没有适合的人选的话也没有地方去主动吧。呵呵。也许等适合人选出现的过程就叫缘份吧。

   也许是现在女生韩剧看多了,现在女生都有灰姑娘情结,向往着灰姑娘王子式的浪漫结局,这种灰姑娘套路很是符合女生心理,比较适合做梦,可惜对男生就不适合了。哪有那么多又帅又有钱的嘛。韩剧看得不算很多。总结一下这种剧情的有以下套路:

男一号肯定很帅应该会有个很有钱的家庭,但是又很爱耍酷什么的让长得不一定非常漂亮但一定可爱的女一号很看不惯,但是冤家路窄,两个很看不惯的人在最初一次偶遇以后肯定要因为某事在一起,男一号很有可能有个哥哥什么的比男一号年纪大的当男二号,而男二号肯定是温柔体贴,一副成功男人的样子,完全和男一号相反,男二肯定会喜欢上女一号,而男一号应该会有个前女友女二号,有可能是家族里内定的,也有可能是把男一抛弃但后来又想吃回头草的,女二号为了夺回男一号肯定会不择手段,心狠手辣,中途说不定还有什么车祸绝症什么的,男二号应该会与女一号好过一阵,但是最后男二号尽管很痴情肯定会成全男一号和女一号,男二号的结局就看编剧了,也有可能会比较圆满,女二号的结局一般不会好。

   呵。写的挺好,回头看看我都觉得写得很有道理,可惜现在癞蛤蟆吃天鹅肉型的电视剧太少了,不然我肯定捧场嘛。

聪明人

 我不是个聪明的人,反应也很慢,和别人一样我也很希望自己比别人

聪明些,但是目前的状态是,至少不是最笨的,我想我已经满足了。

  曾经我也以为智商对成功非常重要,对“Genius is 99 percent perspiration and 1 percent inspiration.”

这句话有些不以为然,用功有什么用,智商不够再怎么用功也做不出成绩,但是到了现在才算里真正理解了。

没有努力再聪明也没用,我见过太多聪明人。确实是,真的很聪明,我要想好久的问题他们瞬间就想明白了。

可是他们往往都不是很努力,所以造成有时候我变现比他们好的状态。所以开始有人说我挺聪明,自己笑笑

,我只是比你努力而已。

     数学是我最差的,很多人想不明白为什么我别的都学得算快就是在数学方面不开窍,后来我知道由于

“工作记忆”方面有问题导致我有数学学习障碍,这个缺陷不光导致我数学不好。还引起我逻辑推理方面

的缺失,一个简单问题都需要很多时间。所以从幼儿园到现在数学就是我的致命伤,每次考试都是数学

拖了后腿,投入大把时间,最后却不见有任何效果,该多少还是多少,最后时间都丢数学上了强项又没

发挥好,然后总成绩就是一场灾难,这种事情都不知道重复发生多少次了,每次都逃不过。不过这次有点

改变,概率考了85,比最高的少了1分,这让我非常意外,当然这不能说我数学方面进步了,打破宿命的

意思,老师大放水最后删减掉众多难点是关键,最后所有二重积分都不考,省了不少事情,总结一下这

学期概率也是一场噩梦,开学第二周开始就听不懂了。然后就会机械的抄笔记,根本不知道她讲什么,

作业更是一题都不会,一转眼,期末考了,怎么办?刚考完软考休息两天就开始学概率,学了两周竟然

还是什么都不懂,看了两遍还没学会,都不知道讲什么,汗。当时心虚了,别的课程都没复习,难道历史

又要重演?两遍不行学第三遍,嗯。有点眉目,知道大概是个什么意思,虽然还是不会做。进入考试周人家

在准备就要考试的课程的时候我还在看最后一门才考的概率,心里挺着急的,我学一个月还考个不及格那

也太对不起我了吧,概率考前两天大家才开始疯狂概率,看他们个个进展神速不禁心生羡慕,汗,我学了一个

月的东西人家两晚就学会了,唉。那帮家伙太牛了,人和人果然是不能比的,算了,咱笨鸟先飞。

考前他们都通宵,我还是算睡得安慰,虽然还是很多东西都没把握懵懵懂懂的,不管啦。听天由命了。

考试的时候除了出了点意外把考卷当作草稿纸以为还算顺利,竟然提前半个小时就填满了,

这次我不敢像其他门一样第一个交卷了。做在那慢慢看那些看不懂也做不出的题目。

     前两天成绩出来即在意料之中又有出乎意料的,意料到的是时间都花在概率上了其他门肯定不会好,意料外的

是概率竟然考的不错,打破了两头空的怪圈。也算是对我的安慰吧。

    努力确实不一定会有回报,努力了就想着回报往往会失望,但也别放弃因努力确实能加大获得回报的机率。这

就是学了这么多年总结的一句话。