c#正则表达式获取代码中的标题与日志ID号码。（QQ空间日志的采集操作）
0
悬赏园豆：60
[已解决问题]
解决于 2012-08-03 17:58
问题如题：附代码如下
View Code
_Callback({"blogids":[1338208697, 1343713117, 1343712578, 1343712001, 1343711473], "html":"<ul class=\"guest_mode\"> <li class=\"odd \"> <input type=\"checkbox\" name=\"batchSingleCheckInput\" bid=\"1338208697\" /> <!-- 左边标题 --> <p class=\"list_tit\"> [<a class=\"unline\" href=\"javascript:;\" onclick=\"ListManager.selectCategory(\'个人日记\',\'b8f6c8cbc8d5bcc7\');QZBlog.Util.Statistic.sendPV(\'classname_click\', \'rizhi.qzone.qq.com\');return false;\" title=\"个人日记\">个人日记</a>] <a href=\"javascript:;\" class=\"blog_link\" onclick=\"ListManager.selectBlog(1338208697);return false;\"> <span title=\"title -- 发表于2012-05-28 20:38\"> <em class=\"c_tx4\">[顶]</em> <span id=\"blogtitle_1338208697\" > title </span> </span> </a> <span class=\"blog_num c_tx2\" title=\"title -- 发表于 2012-05-28 20:38\">2012-05-28 20:38</span> </p> <!-- 右边功能选项 --> <div class=\"list_num \"> <!-- (评论/阅读) --> (<span class=\"hit_none\"><span id=\"ReplyCntSpan1338208697\" style=\"text-decoration:none\" title=\"评论数:49\">49</span>/<span id=\"ViewCntSpan1338208697\" style=\"text-decoration:none\" title=\"阅读数\">loading</span></span>) </div> </li> <li class=\" bg3 \"> <input type=\"checkbox\" name=\"batchSingleCheckInput\" bid=\"1343713117\" /> <!-- 左边标题 --> <p class=\"list_tit\"> [<a class=\"unline\" href=\"javascript:;\" onclick=\"ListManager.selectCategory(\'个人日记\',\'b8f6c8cbc8d5bcc7\');QZBlog.Util.Statistic.sendPV(\'classname_click\', \'rizhi.qzone.qq.com\');return false;\" title=\"个人日记\">个人日记</a>] <a href=\"javascript:;\" class=\"blog_link\" onclick=\"ListManager.selectBlog(1343713117);return false;\"> <span title=\"黑马QQ群营销大师软件营销效果分析 -- 发表于2012-07-31 13:38\"> <em class=\"c_tx4\">[转]</em> <span id=\"blogtitle_1343713117\" > 黑马QQ群营销大师软件营销效果分析 </span> </span> <img src=\"/ac/b.gif\" alt=\"附带图片\" title=\"附带图片\" class=\"icon_pic\"/> </a> <span class=\"blog_num c_tx2\" title=\"黑马QQ群营销大师软件营销效果分析 -- 发表于 2012-07-31 13:38\">2012-07-31 13:38</span> </p> <!-- 右边功能选项 --> <div class=\"list_num \"> <!-- (评论/阅读) --> (<span class=\"hit_none\"><span id=\"ReplyCntSpan1343713117\" style=\"text-decoration:none\" title=\"评论数:0\">0</span>/<span id=\"ViewCntSpan1343713117\" style=\"text-decoration:none\" title=\"阅读数\">loading</span></span>) </div> </li> <li class=\"odd \"> <input type=\"checkbox\" name=\"batchSingleCheckInput\" bid=\"1343712578\" /> <!-- 左边标题 --> <p class=\"list_tit\"> [<a class=\"unline\" href=\"javascript:;\" onclick=\"ListManager.selectCategory(\'个人日记\',\'b8f6c8cbc8d5bcc7\');QZBlog.Util.Statistic.sendPV(\'classname_click\', \'rizhi.qzone.qq.com\');return false;\" title=\"个人日记\">个人日记</a>] <a href=\"javascript:;\" class=\"blog_link\" onclick=\"ListManager.selectBlog(1343712578);return false;\"> <span title=\"名间特效胃药-胃宁 -- 发表于2012-07-31 13:29\"> <em class=\"c_tx4\">[转]</em> <span id=\"blogtitle_1343712578\" > 名间特效胃药-胃宁 </span> </span> <img src=\"/ac/b.gif\" alt=\"附带图片\" title=\"附带图片\" class=\"icon_pic\"/> <img src=\"/ac/b.gif\" alt=\"附带信纸\" title=\"附带信纸\" class=\"icon_letter\"/> </a> <span class=\"blog_num c_tx2\" title=\"名间特效胃药-胃宁 -- 发表于 2012-07-31 13:29\">2012-07-31 13:29</span> </p> <!-- 右边功能选项 --> <div class=\"list_num \"> <!-- (评论/阅读) --> (<span class=\"hit_none\"><span id=\"ReplyCntSpan1343712578\" style=\"text-decoration:none\" title=\"评论数:0\">0</span>/<span id=\"ViewCntSpan1343712578\" style=\"text-decoration:none\" title=\"阅读数\">loading</span></span>) </div> </li> <li class=\" bg3 \"> <input type=\"checkbox\" name=\"batchSingleCheckInput\" bid=\"1343712001\" /> <!-- 左边标题 --> <p class=\"list_tit\"> [<a class=\"unline\" href=\"javascript:;\" onclick=\"ListManager.selectCategory(\'个人日记\',\'b8f6c8cbc8d5bcc7\');QZBlog.Util.Statistic.sendPV(\'classname_click\', \'rizhi.qzone.qq.com\');return false;\" title=\"个人日记\">个人日记</a>] <a href=\"javascript:;\" class=\"blog_link\" onclick=\"ListManager.selectBlog(1343712001);return false;\"> <span title=\"走在一起是缘份，一起在走是幸福 -- 发表于2012-07-31 13:20\"> <em class=\"c_tx4\">[转]</em> <span id=\"blogtitle_1343712001\" > 走在一起是缘份，一起在走是幸福 </span> </span> </a> <span class=\"blog_num c_tx2\" title=\"走在一起是缘份，一起在走是幸福 -- 发表于 2012-07-31 13:20\">2012-07-31 13:20</span> </p> <!-- 右边功能选项 --> <div class=\"list_num \"> <!-- (评论/阅读) --> (<span class=\"hit_none\"><span id=\"ReplyCntSpan1343712001\" style=\"text-decoration:none\" title=\"评论数:0\">0</span>/<span id=\"ViewCntSpan1343712001\" style=\"text-decoration:none\" title=\"阅读数\">loading</span></span>) </div> </li> <li class=\"odd \"> <input type=\"checkbox\" name=\"batchSingleCheckInput\" bid=\"1343711473\" /> <!-- 左边标题 --> <p class=\"list_tit\"> [<a class=\"unline\" href=\"javascript:;\" onclick=\"ListManager.selectCategory(\'个人日记\',\'b8f6c8cbc8d5bcc7\');QZBlog.Util.Statistic.sendPV(\'classname_click\', \'rizhi.qzone.qq.com\');return false;\" title=\"个人日记\">个人日记</a>] <a href=\"javascript:;\" class=\"blog_link\" onclick=\"ListManager.selectBlog(1343711473);return false;\"> <span title=\"千米QQ空间营销软件常用广告--图片超级链接代码分享（广告必备） -- 发表于2012-07-31 13:11\"> <em class=\"c_tx4\">[转]</em> <span id=\"blogtitle_1343711473\" > 千米QQ空间营销软件常用广告--图片超级链接代码分享（广告必备） </span> </span> </a> <span class=\"blog_num c_tx2\" title=\"千米QQ空间营销软件常用广告--图片超级链接代码分享（广告必备） -- 发表于 2012-07-31 13:11\">2012-07-31 13:11</span> </p> <!-- 右边功能选项 --> <div class=\"list_num \"> <!-- (评论/阅读) --> (<span class=\"hit_none\"><span id=\"ReplyCntSpan1343711473\" style=\"text-decoration:none\" title=\"评论数:0\">0</span>/<span id=\"ViewCntSpan1343711473\" style=\"text-decoration:none\" title=\"阅读数\">loading</span></span>) </div> </li> </ul> "})
利用正则表达式实现取出每一个日志标题与对应的ID号码。
如代码：<span id=\"blogtitle_1343712578\" > 名间特效胃药-胃宁 </span>
其中的：1343712578 为所须取出的日志ID号码
“名间特效胃药-胃宁" 为日志标题。所获取代码中每一篇日志的格式都是如此，唯一不同的就是ID号与日志标题内容不一样。求解……
最佳答案
1
string str = "<span id=\"blogtitle_1343712578\" > 名间特效胃药-胃宁 </span>"; Regex reg = new Regex("<span id=\"blogtitle_(?<ID>.*?)\" >(?<Title>.*?)</span>"); MatchCollection m; m = reg.Matches(str); string[] MatchValue = new string[m.Count]; for (int i = 0; i < m.Count; i++) { MatchValue[i] = m[i].Groups["ID"].Value.Trim();
MatchValue[i] = m[i].Groups["Title"].Value.Trim();
}
楼主用这段代码就可以，取值的话就用在for循环里
我这测试无法取出啊，求解
@老虎下山: 贴出你的代码来
@老虎下山: 我看下你是怎么写的
@az235: 直接 用messagebox show 出字符串的，但是调试过程中查看到，正则根本没有匹配到任何值 。m.count 的值 为0
@老虎下山:你把程序放上来下，我看看，完整的代码
@az235:
WebClient getID = new WebClient(); string url = "http://b.qzone.qq.com/cgi-bin/blognew/blog_output_titlelist?uin=" + qq + "&vuin=0&property=GoRE&getall=1&styledm=ctc.qzonestyle.gtimg.cn&imgdm=ctc.qzs.qq.com&bdm=b.qzone.qq.com&category=&num=15&sorttype=0&arch=0&from=-15&maxlen=68&v=1"; string str = getID.DownloadString(url); Regex reg = new Regex("<span id=\"blogtitle_(?<id>.*?)\" >(?<title>.*?)</span>"); MatchCollection m; m = reg.Matches(str); string[] MatchValue = new string[m.Count]; for (int i = 0; i < m.Count; i++) { MatchValue[i] = m[i].Groups["id"].Value.Trim(); MatchValue[i] = m[i].Groups["title"].Value.Trim(); MessageBox.Show(MatchValue[i].ToString()); }
@老虎下山: qq变量的值是多少？
@az235: QQ号码即可
@老虎下山: 我测试用的号码：450329990 取值 就不成功。
@老虎下山:
WebClient getID = new WebClient(); string url = "http://b.qzone.qq.com/cgi-bin/blognew/blog_output_titlelist?uin=1343711473&vuin=0&property=GoRE&getall=1&styledm=ctc.qzonestyle.gtimg.cn&imgdm=ctc.qzs.qq.com&bdm=b.qzone.qq.com&category=&num=15&sorttype=0&arch=0&from=-15&maxlen=68&v=1"; string str = getID.DownloadString(url); str = str.Replace("\\",""); Regex reg = new Regex("<span id=\"blogtitle_(?<id>.*?)\" >(?<title>.*?)</span>"); MatchCollection m; m = reg.Matches(str); string[] MatchValue = new string[m.Count]; for (int i = 0; i < m.Count; i++) { MatchValue[i] = m[i].Groups["id"].Value.Trim(); }
返回的内容要替换下，加上这句话 str = str.Replace("\\","");
原因是返回\" 在调试状态下看到的是\\\"这样的
@az235: 谢谢，成功得解啦。
@az235:
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{"account":"hunantv2011","flag1":129,"flag2":0,"follower":1069530,"following":32,"idol":0,"nick":"2011\u6e56\u5357\u6625\u665a","portrait":"http://mbloghead.store.qq.com/mbloghead/97855424cac575e8bc14"
求高手指点一下另一个关于正则表达式的问题，内容如上，我想取出其中的每一个
"account"后面紧跟着的账号，以及
"nick": 后面紧跟的一串字符串，
如上所示的：account: hunantv2011
nick:"2011\u6e56\u5357\u6625\u665a"
其他回答(3)
0
请问需要空间密码的能采集吗？用什么方式？
收获园豆：60
1
最近很奇怪啊，为啥发现好多问题是问，把 html post 到服务器上，然后需要用正则 取出 html 里面的东西，
为啥不在客户端，直接用 jq 选择器取好，做成 json ，然后 post 呢？
这些就直接从服务器上get下来的数据，需要二次开发使用。
@老虎下山:
(?<=blogtitle_)\d+(?=\\) 能取出 blogtitle_ 和 \ 之间的数字
(?<=blogtitle_.*?>).*(?=</span>) 能取出包含 blogtitle 标签中的内容
正则写的比较锉，哈哈
@张坤: 呵呵，还是不错的。第一个可以成功取出ID号，但是第二取出标题的正则无法实现哦。
@老虎下山: (?=<span id=\\"blogtitle_\d+\\" >).*?(?=</span>)
酱紫再试试，哈哈
@张坤: 可以取出值 ，但是多了前面一部分。怎么去除呢。
测试到的结果：<span id=\"blogtitle_1338208697\" > title
<span id=\"blogtitle_1343713117\" > 黑马QQ群营销大师软件营销效果分析
<span id=\"blogtitle_1343712578\" > 名间特效胃药-胃宁
<span id=\"blogtitle_1343712001\" > 走在一起是缘份，一起在走是幸福
<span id=\"blogtitle_1343711473\" > 千米QQ空间营销软件常用广告--图片超级链接代码分享（广告必备）
@老虎下山: 是的，我没处理内容的开头和结尾 空格，你 trim 下！
@张坤: 后面的空白还好处理，可是前面部分多的不单单是空格。是多出了一串“<span id=\"blogtitle_1343711473\" > ” 这个字符串。呵呵。
@老虎下山: 不会的啊，我用的 零宽断言，前面那段只是匹配位置，不占据内容啊，你那边检查下！
@张坤: 怪事了，反复测试。包括用工具测试都会有前面那一部分内容出现的。呵呵
@老虎下山:
好吧 ，我反2了 ，是我弄错了，少了一个字符，
(?<=<span id=\\"blogtitle_\d+\\" >).*?(?=</span>)
少了红色字符，不好意思，耽误你时间啦！
@张坤: 呵呵，客气了。谢谢你的解答。已经成功取到值了。
-1
@"<([a-z]+)(?:(?!id)[^<>])*id=([""']?)blogtitle_(\d+?)\2[^>]*>([\s\S]+?)</\1>
无法取到有效值……
@老虎下山: 可以的,我试过
