如何使用 jsoup 计算 div 的数量?
我需要做的是计算所有“news_main” div...
<h1>Notice to Mariners</h1>
<form name="filter-form" id="filter-form" action="/notice-to-mariners/" enctype="multipart/form-data" accept-charset="UTF-8" method="post">
<div style="display: none"><input type="hidden" name="filter-form" value="1"></div>
<div style="display:none; width:0px; height:0px;"><p><label class="indent" for="filter-form-leave_blank">If you are human leave this blank:</label><input id="filter-form-leave_blank" class="" type="text" name="filter-form-leave_blank" value=""></p></div><div id="filter"><select class="" name="filter" id="filter-form-filter">
<option value="form_error">View notices in force</option>
<option value="1">View notices not in force</option>
<option value="2">View all notices</option>
</select><button type="submit">Filter</button></div><!-- / filter --></form>
<div class="news_main">
<div class="news_main">
<div class="news_main">
<div class="news_main">
<div class="news_main">
等等..等等
我尝试了各种方法,但似乎都返回 0?
代码:
docNtm = Jsoup.connect("http://www.mhpa.co.uk/notice-to-mariners/").timeout(600000).get();
Elements ntmAmount = docNtm.select("div.news_main div");
System.out.println("size: " + ntmAmount.size());
感谢您的任何建议。
编辑:
我现在可以像这样检索所有 div:
10-18 22:41:36.365: I/System.out(14624): size: 0
10-18 22:41:36.365: I/System.out(14624): size: 0
10-18 22:41:36.365: I/System.out(14624): size: 0
10-18 22:41:36.365: I/System.out(14624): size: 0
10-18 22:41:36.365: I/System.out(14624): size: 0
10-18 22:41:36.365: I/System.out(14624): size: 0
.....etc
计算它们的最佳方法是什么?
谢谢