根据您之前的问题,我想您想要从Java的WebDriver运行JavaScript代码段.如果我错了,请纠正我.
WebDriverJs实际上是“只是”另一种WebDriver语言绑定(您可以用Java,C#,Ruby,Python,JS编写测试,甚至可能还有更多语言).特别是这一个是JavaScript,因此允许您用JavaScript编写测试.
如果要在Java WebDriver中运行JavaScript代码,请执行以下操作：
WebDriver driver = new AnyDriverYouWant();
if (driver instanceof JavascriptExecutor) {
((JavascriptExecutor)driver).executeScript("yourScript();");
} else {
throw new IllegalStateException("This driver does not support JavaScript!");
}
我也喜欢这样做：
WebDriver driver = new AnyDriverYouWant();
JavascriptExecutor js;
if (driver instanceof JavascriptExecutor) {
js = (JavascriptExecutor)driver;
} // else throw...
// later on...
js.executeScript("return document.getElementById('someId');");
executeScript()也接受函数调用和原始JS.你可以从它返回一个值,你可以传递许多复杂的参数,一些随机的例子：
>
// returns the right WebElement
// it's the same as driver.findElement(By.id("someId"))
js.executeScript("return document.getElementById('someId');");
>
// draws a border around WebElement
WebElement element = driver.findElement(By.anything("tada"));
js.executeScript("arguments[0].style.border='3px solid red'", element);
>
// changes all input elements on the page to radio buttons
js.executeScript(
"var inputs = document.getElementsByTagName('input');" +
"for(var i = 0; i < inputs.length; i++) { " +
" inputs[i].type = 'radio';" +
"}" );
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