>[info] 本节,让我们通过WebDriver与浏览器交互起来,解放我们的双手,让程序来控制浏览器操作。 [TOC] 通过前面章节学习的元素定位,WebDriver类提供的**find_element_by_xxx**返回的是一个 **`WebElement`类的实例对象**,我们后面可以称它为“元素”吧。 `WebElement`类的源码路径:`\selenium\webdriver\remote\webelement.py` 通过源码分析可知,WebElement同样具有一系列的元素定位方法 **find_element_by_xxx**,用法与WebDriver中的是完全一样的,下面就不再重复介绍如何元素定位了。 --- ## WebElement 中常见的元素操作 突然发现,其实我们对元素的操作,其实很少,无非就是鼠标点击,输入文本。 ### 清除文本输入框 `clear(self)` ### 点击元素 `click(self)` ### 提交表单 `submit(self)` ### 发送信息 `send_keys(self, *value)` ## WebElement 中常见的元素属性 获取元素的属性,也就那么一回事! ### 获取元素属性 `get_attribute(self, name)` ### 判断元素可见 `is_displayed(self)` ### 判断元素可用 `is_enabled(self)` ### 判断元素是否被选中 `is_selected(self)` ## WebElement 中常见的属性方法 ### 获取元素位置 `location` ### 获取元素大小 `size` ### 获取元素的文本 `text` >[info] 这些方法和属性,都实在是太简单了,就不举例说明了。在实战中,这些方法和属性,我们会经常的使用,所以重点是找个实例来实战一把吧! >加油!加油!加油! ## ActionChains 中的复杂操作 ActionChains中提供一些复杂操作,如鼠标移动,鼠标按钮操作,按键操作和上下文菜单交互等,这些操作在实际运用中其实`复杂操作并不常用`,这里只简单介绍一个元素拖拽的例子,其他方法,请自行查看源码。 ```python element = driver.find_element_by_name("source") target = driver.find_element_by_name("target") from selenium.webdriver import ActionChains action_chains = ActionChains(driver) # 拖拽(在元素A上按住鼠标左键不放,拖动到元素B上,然后松开鼠标) action_chains.drag_and_drop(element, target).perform() ``` <hr style="margin-top:50px"> <section class="" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin: 40px 0% 10px;box-sizing: border-box;"><section class="" style="display: inline-block;width: 100%;border-width: 5px;border-style: double;border-color: rgb(23, 22, 24);padding: 10px;border-radius: 2px;box-sizing: border-box;"><section class="" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="transform: translate3d(20px, 0px, 0px);-webkit-transform: translate3d(20px, 0px, 0px);-moz-transform: translate3d(20px, 0px, 0px);-o-transform: translate3d(20px, 0px, 0px);font-size: 11px;margin: -50px 0% 0px;box-sizing: border-box;"><section class="" style="box-sizing: border-box;width: 7em;height: 7em;display: inline-block;vertical-align: bottom;border-radius: 100%;border-width: 4px;border-style: double;border-color: rgb(23, 22, 24);background-position: center center;background-repeat: no-repeat;background-size: cover;background-image: url(&quot;http://pav7h2emv.bkt.clouddn.com/FnD-fHkNDLN1-b02XmnMvsz6ld-n&quot;);"><section class="" style="width: 100%;height: 100%;overflow: hidden;box-sizing: border-box;"><img class="" data-ratio="0.6012024" data-w="499" data-src="http://pav7h2emv.bkt.clouddn.com/FnD-fHkNDLN1-b02XmnMvsz6ld-n" style="opacity: 0; 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