1, Xpath basic syntax:
(1) "/": Select from the root node, lower node
(2) "//": Select any node
(3) "*": Select any tab
(4) "!": Select Properties
(5) "..": select the parent node of the current node
(6) "text ()": all matching nodes link text
(7) "contains (a, b)": link text part matched node
(8) "last ()" to select the last
2, Xpath and Css Selector difference:
| Targeting | Xpath | Css Selector |
| find_element_by_id("id值") | //*[@id="id值"] | #id value |
| find_element_by_name("name值") | //*[@name="name值"] | [name="name值"] |
| find_element_by_class_name ( "one class name") | One class name | . A certain class name |
| find_element_by_tag_name ( "tag name") | // tag name | Label name |
| find_element_by_link_text ( "link text") | // a [text () = "Link Text"] | not support |
| find_element_by_partial_link_text ( "part of the link text") | // a [contains (text (), "part of the link text")] | not support |