找不到元素

Question

I need to find the a href element and return its contents. 我需要找到a href元素并返回其内容。

Here are the contents in the source: 以下是来源中的内容：

<div id="responseDiv" style="background-color:#EBECED;width: 450px;">
<iframesrc="/iframe.asp" width="575" height="120" frameborder="0" 
marginwidth="1" marginheight="1" scrolling="no">
#document
<html>
<head> </head>
<body marginwidth="1" marginheight="1">
<font size="3" style = "letter-spacing: 0pt" color="#336699" face="Arial"
<a href="blablabla?subject=blebleble" target="_blank">merkl@gmail.com</a>
</font>
</body>
</html>
</iframe>
</div>

Tried printing outerHTML of the Div, which is the only element I can find: 尝试打印Div的outerHTML，这是我能找到的唯一元素：

IWebElement pisso = driver.FindElement(By.XPath("//*[@id="responseDiv"]"));
string outerHTML = pisso.GetAttribute("outerHTML");

But it doesn't return the href contents, only this: 但它不会返回href内容，只有这样：

<div id="responseDiv" style="background-color:#EBECED;width: 450px;">

<iframe src="/iframe.asp" width="575" height="120" frameborder="0" marginwidth="1" marginheight="1" scrolling="no">
  &lt;p&gt;Your browser does not support iframes.&lt;/p&gt;</iframe>

</div>

I've tried finding the href element directly but it can't find it, CssSelector as: 我已经尝试直接找到href元素，但它无法找到它，CssSelector为：

IWebElement pisso = driver.FindElement(By.CssSelector("body > font > a"));

Also tried XPath as: 还试过XPath：

 IWebElement pisso = driver.FindElement(By.XPath("/html/body/font/a"));

Answer 1

You need to get the attribute value via .getAttribute(value) , which returns a String . 您需要通过.getAttribute(value)获取属性值，该.getAttribute(value)返回一个String 。

So try this: 试试这个：

String hrefValue = driver.FindElement(By.CssSelector("#responseDiv body font a")).getAttribute("href");

Answer 2

The WebElement from which you are trying to extract the href attribute ie blablabla?subject=blebleble is within an iframe so you have to switch to the iframe first then search/find the element to extract the href attribute as follows: 您尝试从中提取href属性的WebElement ，即blablabla?subject=blebleble在iframe因此您必须先切换到iframe然后搜索/查找元素以提取href属性，如下所示：

driver.SwitchTo().Frame(driver.FindElement(By.XPath("//iframe[@src='/iframe.asp']));
IWebElement pisso = driver.FindElement(By.XPath("/html/body/font/a"));

Answer 3

Turns out the other elements were not getting printed because the program pulling the OuterHTML too fast, before it being generated. 事实证明其他元素没有被打印，因为程序在生成之前过快地拉动OuterHTML。

Solved by using: 通过使用解决：

  System.Threading.Thread.Sleep(5000);

This way it printed everything inside the Div 这样它就可以打印Div中的所有内容

找不到元素

问题描述

3 个解决方案

解决方案1
2 已采纳 2017-09-13 16:28:15

解决方案2
0 2017-09-14 05:52:14

解决方案3
0 2017-09-14 14:03:24

找不到元素

问题描述

3 个解决方案

解决方案1 2 已采纳 2017-09-13 16:28:15

解决方案2 0 2017-09-14 05:52:14

解决方案3 0 2017-09-14 14:03:24

解决方案1
2 已采纳 2017-09-13 16:28:15

解决方案2
0 2017-09-14 05:52:14

解决方案3
0 2017-09-14 14:03:24