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请教大家一个问题,为什么水平表单换行后栅格不能对齐? bootstrap 学习中,请教大家一个问题,为什么水平表单换行后栅格不能对齐?我的前一个ROW里面应该是够12格的,但是下一个ROW中就错开了,代码如下: <!doctype html> <html lang='zh-cn'> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name='viewport' content='width=device-width,initial-scale=1'> <link href='../boot/css/bootstrap.min.css' rel='stylesheet'> <script src="../boot/js/jquery.min.js"></script> <script src="../boot/js/bootstrap.min.js"></script> <style> .container{ border:1px blue solid; } </style> <title>2020年学生信息采集系统</title> </head> <body> <div class='container'> <p><h1 class='text-center'>2020年学生信息采集系统<small>--V1.0</small></h1></p> <P><h4 class='text-center'>本次信息采集仅供我校使用</h4></P> <hr> </div> <div class='container'> <form class="for-horizontal"> <div class="form-group"> <label for="schoolName" class="col-sm-2 label-warning control-label text-center"> <h5>学校名称:</h5> </label> <div class="col-sm-4"> <input id="schoolName" class="form-control" placeholder="请输入学校名称..."> </div> <label for="classNo" class="col-sm-2 label-warning text-center"> <h5>班&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;级:</h5> </label> <div class="col-sm-4"> <input id="classNo" class="form-control" placeholder="请输入班级...例如:一年级1班"> </div> </div> <div class="form-group"> <label for="Pname" class="col-sm-2 label-warning control-label text-center"> <h5>家长姓名:</h5> </label> <div class="col-sm-4"> <input id="Pname" class="form-control" placeholder="家长姓名..."> </div> <label for="Pphone" class="col-sm-2 text-center label-warning"> <h5>家长手机号:</h5> </label> </div> <br> <br> <div class="form-group"> <div class="col-sm-10 col-sm-offset-1"> <button type="submit" class="btn btn-primary btn-block"> 登&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;记 </button> </div> </div> </form> </div> </body> </html> 展示如下:
一张门禁卡的数据分析 各位大神好,最被一张门禁卡的数据给搞糊涂了,请各位大神帮忙看看数据,给个分析思路,看一下这张宿舍门禁卡的数据是怎么实现的。在此万分感谢! 材料:原始门禁卡2张,复制门禁卡2张,ACR122U一台 0.00X背景: 学校只发一张门禁卡,如果丢失再买一张是50大元,已经丢过一张了,于是想把原始的门禁卡信息读出来做一个备份,并做为备用卡。 0.01X操作及读出数据 对本人的一张门禁卡读出数据如下: 0扇区 0区块:0AAAB4EBFF08040001C0886E7854F21D 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 1扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 2扇区 0区块:00681100000000008000000000000000 1区块:00000000000000000000000000000000 2区块:0000000000000000100B134201010000 3区块:0DA2BDEB30C9FF078069F25D4214CF36 3扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 4扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 5扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 后面的扇区都是初始数据,和3-5扇区一样,就不发了,破了2扇区密码和数据后写入一张空白卡,包括UID全部写入。 0X002发生的情况 在写好备份卡后拿备份卡去测试开门,门应声而开,但是问题来了,人是出去了,可是进不来了,备份卡失效了,在外面冰冻10分钟后回到宿舍,再次读取备份卡数据,数据如下: 0扇区 0区块:0AAAB4EBFF08040001C0886E7854F21D 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 1扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 2扇区 0区块:0A08173DFFFFFFFFFFFFFFFFFFFFFFFF 1区块:00000000000000000000000000000000 2区块:0000000000000000100B134201010000 3区块:0DA2BDEB30C9FF078069F25D4214CF36 3扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 4扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 5扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 第2扇区的数据有了变化,估计这个是不能开门的原因,分析了半天,也没有得到变化的规律,于是拿原始卡再去开门,然后再回来读卡,原始卡的数据如下: 0扇区 0区块:0AAAB4EBFF08040001C0886E7854F21D 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 1扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 2扇区 0区块:00681100000000008000000000000000 1区块:00000000000000000000000000000000 2区块:0000000000000000100B134201010000 3区块:0DA2BDEB30C9FF078069F25D4214CF36 3扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 4扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 5扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 发现原始卡第2扇区的数据没有变化,于是再借了同学的一张门卡读了一下,数据如下: 0扇区 0区块:2AB4AEEBDB08040001345 E9BF464861D 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 1扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 2扇区 0区块:01D21100000000008000000000000000 1区块:00000000000000000000000000000000 2区块:0000000000000000100B1A4201010000 3区块:2DBCA7EB30EDFF078069D2435814 CF12 3扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 4扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 5扇区 0区块:00000000000000000000000000000000 1区块:00000000000000000000000000000000 2区块:00000000000000000000000000000000 3区块:FFFFFFFFFFFFFF078069FFFFFFFFFFFF 发现2扇区的KEYA和KEYB不一样,数据也不一样,想了半天也没有想通这是为什么 0X003问题 请各位大神指导一下,提个思路,原始卡是怎么做到这一点的?应如何分析这个卡中的数据。谢谢!
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