Selenium2 鼠標懸停效果實現

對一些js控件，鼠標懸停的時候出發下拉層的實現

1.使用Action

1 public void moveToElement(WebDriver driver, By locator) {  
2     Actions builder = new Actions(driver);  
3     builder.moveToElement(driver.findElement(locator)).perform();  
4  
5 } 

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2.使用SendKeys

1 public void moveToElement(WebDriver driver, By locator) {  
2         driver.findElement(locator).sendKeys(Keys.DOWN);  
3 } 

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