1. After the XPath () double quotation mark ("") inside cannot apply the double quotation mark (""), the inside double quotation mark ("") to the single quotation mark ("") the error is gone. 2. How can I find the positioning point exactly when locating the element?To skillfully apply F12, determine the page element to
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The content of orders. xml is as follows:
Remarkable Office Supplies
Electronic Protractor
42.99
Invisible Ink
200.25
// The code snippet is from w
Turn from: http://www.cnblogs.com/qingchunjun/p/4208159.html
By.xpath ()
This method is a very powerful way to find elements, which can be used to locate almost any element on the page. Before we can formally start using XPath for positioning, let's take a look at what XPath is. X
First, the method of locating elements
ID: Preferred recognition attribute, the standard recommended for each element of the page set a unique id attribute,
If it is not and it is difficult to find the unique attribute, workaround: (1) Find the development to add the ID or name. If not, the solution can be:1. Fi
development of testability, add unique ID, name and so on.
7. If you cannot find a unique location, look for all of its child nodes (look at ID, name, text, title) until it finds a unique one.
Then use its child node XPath to uniquely locate its XPath similar to the following:
input[@id = ' main ']/parent::xxx 8. If you can't locate it yet, look for all of its s
Tags: com automation [] Win tools time code interface positioningThis article on the XPath method is the same as the previous CSS method, before using, you need to master some of the XPath knowledge. Of course, there are various tools on the web that can help us get to the XPath of the element, but it doesn't mean that
, appium and activity came out.
2.AppiumLibrary in conjunction with selenium2library, you need to add the library name before the keyword. such as appiumlibrary.click element, because there are many keyword of the two libraries are the same, An error is indicated when the library name is not added.
3. When there is a possibility of an indeterminate number of redemptions, you need to click the Redeem button by appending the location.
using XPath to find the need to introduce Jaxen-xx-xx.jar, otherwise it will report java.lang.noclassdeffounderror:org/jaxen/jaxenexception exception.
List list=document. selectnodes ("/books/book/@show"); XPath Syntax 1, select the node
XPath uses a path expression to select a node in an XML document, and the node
For nodes with no namespaces (NameSpace) in the XML file, such as
You can use JDOM XPath to search this node for any of the following code:
① List ② XPath xpath = XPath.newInstance("//blog_Content"); List
But if you are looking for a node with a namespace, such as
..............................................
Or use the previous two methods can not
Text ()
Gets the string in the node
Starts-with ()
String that matches the starting position
#定位href属性中包含“promote.html”的所有a节点//a[contains(@href,‘promote.html‘)]#元素内的文本为“应用推广”的所有a节点//a[text()=‘应用推广‘]#href属性值是以“/ads”开头的所有a节点//a[starts-with(@href,‘/ads‘)]Using the XPath axisThis section is similar to the sibling, parents, children methods in BeautifulSoup.
Axis name
meaning
, while closest () starts from itself2. Parents () finds all the parent elements up to the root element. All of these results are then placed in a temporary set and filtered by the rated conditions.Closest () looks up from its own element and stops until a valid matching element is found.3. The value of the element ret
The path from the root node can be used to determine the XPath syntax.
/Root/
XPath is very powerful, but it is also a relatively complex technology. It is best to go to the blog site to find some Professional posts for a look, below are some simple XPath syntaxes and an example for your reference.
After all, XPath can parse the corresponding element from a formatted HTML lookup more quickly.More formal site layout, you can copy the XPath path directly through Chrome's debugger. :However, this approach may not be effective and will not get a set of values that are correctly searched.How to find the content of an
1, this is because//table//tr//input[1] is the first to match the//table below all the TR descendant nodes , and then on this basis, and then match the TR node of all descendants of the input node of the first, because of the number of TR, so the result is certainly not a match, but how to match 1? That is to say, we need to put a lot of tr fixed one, and then look at: TABLE//TR[1]//INPUT[1], this time there is only one matching out of the node, so, please carefully try to figure out the differ
The release number of this article was chs313188.For the Microsoft Visual Basic. Net version in this article, see 308062.Content of this task• Overview•• Create an XML file• Create a Visual C #. Net project• ReferenceSummaryThis article describes how to specify the namespace Prefix: Fully Qualified element names in the element name format select nodes in the xmldocument object.
Back to TopCreate an XML fil
1. Locate the Buy button
Here, I wrote//td[@class = ' Text-center ']/button[@class = ' ng-isolate-scope ']/span[text () = ' buy '), prompting for no element found, The reason is the class value of the button, and I changed it to class= ' btn btn-outline ng-isolate-scope btn-xs Btn-danger ' to capture it.
In addition, I would like to locate the Buy button through the following economy hybrid A, which can be written by
1 DOCTYPE HTML>2 HTML>3 Head>4 Scriptsrc= "/jquery/jquery-1.11.1.min.js">5 Script>6 Script>7 8 functionReadxpath (Element) {9 if(Element.id! == ""){//determines the id attribute, if the element has an ID, displays//*[@id = "XPath"] form contentTen return '//*[@id =\ "'+element.id+'\"]'; One } A - if(Element.getattribute ("class")! == NULL){
This article mainly on the Selenium2 Web element positioning and XPath writing examples, please refer to the friends to discuss together. If there are deficiencies, please the great god, thank you!Through the Firefox browser plug-in Firebug + XPath checker, combined with three examples to illustrate the implementation of page
When recording web automation scripts, one of the most troublesome tasks is to locate the elements to be detected.
The difficulty lies in the following two points:
1. if Id positioning is required, developers need to work with each other. Sometimes developers forget to add it. Sometimes, if multiple table nesting occurs, it is difficult to add IDs to dynamically generate unknown quantities.
2. Generally, Dom locating functions or XPath are required wi
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