java swing三级菜单_java编写鼠标悬停在二级菜单，点击三级菜单？

目前遇到的问题：我想点击一个三级菜单，需要做的操作是，鼠标悬停在菜单按钮上，此时弹出二级菜单，鼠标再次悬停在某二级菜单上，弹出三级菜单，然后点击某三级菜单当前问题：总是提...

目前遇到的问题：我想点击一个三级菜单，需要做的操作是，鼠标悬停在菜单按钮上，此时弹出二级菜单，鼠标再次悬停在某二级菜单上，弹出三级菜单，然后点击某三级菜单

当前问题：总是提示找不到二级菜单的元素

@Test

public void testcase5() throws Exception{

Thread.sleep(5000);

//鼠标悬浮在“菜单”icon上

WebElement Meau=driver.findElement(By.xpath("//*[@id=\"fixedBar\"]/div/div[1]/span"));

Actions action=new Actions(driver);

//鼠标移动到“菜单”icon上方

action.moveToElement(Meau).perform();

Thread.sleep(5000);

//鼠标移动到弹出的“云安全”菜单上方

WebElement YunAQ=driver.findElement(By.xpath("/html/body/div[5]/div/div/section/aside/ul/li[3]/div"));

action.moveToElement(YunAQ).perform();

Thread.sleep(5000);

//点击弹出的“DDOS云清洗”

WebElement DDOS=driver.findElement(By.xpath("/html/body/div[4]/ul/li[1]/div"));

action.moveToElement(DDOS).click().perform();

Thread.sleep(3000);

执行结果：org.openqa.selenium.NoSuchElementException: no such element: Unable to locate element: {"method":"xpath","selector":"/html/body/div[4]/ul/li[1]/div"}

总是提示找不到二级菜单中的那个元素

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