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howtomakeadragdivision-<ahref="http://www.never-online.net"target="_blank"><ahref="http://www.never-online.net"target="_blank">http://www.never-online.net<</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-08-29 23:27:10</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2117</span></span>  </p> </article><article class="excerpt"> <header> <a title="编程技术" class="label label-important zj-del-target" href="/category/30">编程技术<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/13473" title="Web开发教程10－Hibernate（中）" target="_blank" onclick="return recordId('',)">Web开发教程10－Hibernate（中） </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/13473" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/15.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/13473';}else{window.open('/article/13473');}" style="cursor: pointer;">转自:http://www.bluedash.net/spaces/Web%E5%BC%80%E5%8F%91%E6%95%99%E7%A8%8B10%EF%BC%8DHibernate%EF%BC%88%E4%B8%AD%EF%BC%89Web开发教程10－Hibernate（中）</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-08-29 22:04:12</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2117</span></span>  </p> </article><article class="excerpt"> <header> <a title="各行各业" class="label label-important zj-del-target" href="/category/38">各行各业<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/1232" title="元数据" target="_blank" onclick="return recordId('',)">元数据 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/1232" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/6.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/1232';}else{window.open('/article/1232');}" style="cursor: pointer;">元数据是用来描述数据的数据（Datathatdescribesotherdata）。单单这样说，不太好理解，我来举个例子。下面是契诃夫的小说《套中人》中的一段，描写一个叫做瓦莲卡的女子：（她）年纪已经不轻，三十岁上下，个子高挑，身材匀称，黑黑的眉毛，红红的脸蛋－－一句话，不是姑娘，而是果冻，她那样活跃，吵吵嚷嚷，不停地哼着小俄罗斯的抒情歌曲，高声大笑，动不动就发出一连串响亮的笑声：哈，哈，哈！这段话里提供了这样几个信息：年龄（三十岁上下）、身高（个子高挑）</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-08-12 01:32:27</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2117</span></span>  </p> </article><article class="excerpt"> <header> <a title="Python" class="label label-important zj-del-target" href="/category/44">Python<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/30755" title="用 Python 爬取电影，这些电影真的很不错" target="_blank" onclick="return recordId('',)">用 Python 爬取电影，这些电影真的很不错 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/30755" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/19.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/30755';}else{window.open('/article/30755');}" style="cursor: pointer;">首先要分析一下电影天堂网站的首页结构。在这里插入图片描述从上面的菜单栏中我们可以看到整个网站资源的总体分类情况。刚刚好我们可以利用到它的这个分类，将每一个分类地址作为爬虫的起点。①解析首页地址提取分类信息#解析首页defCrawIndexPage(starturl):print"正在爬取首页"page=__getpage(starturl)ifpage=="error":returnpage=page.decode('gbk','ignore')tree=</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-09-27 17:56:58</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2116</span></span>  </p> </article><article class="excerpt"> <header> <a title="Python" class="label label-important zj-del-target" href="/category/44">Python<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/29468" title="python3生成随机数实例" target="_blank" onclick="return recordId('',)">python3生成随机数实例 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/29468" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/18.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/29468';}else{window.open('/article/29468');}" style="cursor: pointer;">本文实例讲述了python3生成随机数的方法。分享给大家供大家参考。具体实现方法如下：该实例是根据一本书上看到过一个随机数的小程序，经过自己改动，变为了一个猜数字的小游戏，现在在python3下重写了一遍。这是一个控制台下的猜数程序，winxp+python3.2+eric5和IDLE测试通过，但直接用winxp的命令行运行有问题，原因还未知，慢慢找。ubuntu+python3.1测试通过。具体实现代码如下：复制代码代码如下:#-*-coding:utf</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-09-27 17:55:11</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2116</span></span>  </p> </article><article class="excerpt"> <header> <a title="Python" class="label label-important zj-del-target" href="/category/44">Python<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/29434" title="python脚本编写的基础命令" target="_blank" onclick="return recordId('',)">python脚本编写的基础命令 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/29434" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/16.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/29434';}else{window.open('/article/29434');}" style="cursor: pointer;">实验一：下面这个代码主要是为了给文件编号，方便后面打标记和分类等操importospath=‘你需要处理的文件的路径';count=0;filelist=os.listdir(path)#该文件夹下所有的文件（包括文件夹）defrename():globalcountforfilesinfilelist:#遍历所有文件Olddir=os.path.join(path,files);#原来的文件路径filename=os.path.splitext(file</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-09-27 17:55:08</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2116</span></span>  </p> </article><div class="pagination" style="display:;"> <ul><li><a href="/search/thrift/1/p/1">首页</a></li> <li class="prev-page"><a 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