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                ## 高級控件 ### 取多個對象 findElements()方法可以返回一個符合條件的元素List組,例如: ``` List<WebElement> elements = driver.findElements(By.tagName("input")); ``` ### 層級定位 不方便定位某元素時,可以先定位其父元素,再取父元素的子元素: ``` WebElement element = driver.findElements(By.className("login")); List<WebElement> elements = element.findElements(By.tagName("label")); ``` ### iframe 網頁: ``` <html> <head> <title>FrameTest</title> </head> <body style="background-color: #990000;"> <div id="id1">this is a div!</div> <iframe id="frame" frameborder="0" scrolling="no" style="left:0;position:absolute;" src="frame.html"></iframe> </body> </html> ``` frame.html: ``` <html> <head> <title>this is a frame!</title> </head> <body style="background-color: #009900;"> <div id = "div1">this is a div,too!</div> <label>input:</label> <input id = "input1"></input> </body> </html> ``` 代碼: ``` //在default content定位id="id1"的div dr.findElement(By.id("id1")); //此時,沒有進入到id="frame"的frame中時,以下兩句會報錯 dr.findElement(By.id("div1"));//報錯 dr.findElement(By.id("input1"));//報錯 //進入id="frame"的frame中,定位id="div1"的div和id="input1"的輸入框。 dr.switchTo().frame("frame"); dr.findElement(By.id("div1")); dr.findElement(By.id("input1")); //此時,沒有跳出frame,如果定位default content中的元素也會報錯。 dr.findElement(By.id("id1"));//報錯 //跳出frame,進入default content;重新定位id="id1"的div dr.switchTo().defaultContent(); dr.findElement(By.id("id1")); ``` ### 彈出窗口 ``` //得到當前窗口的句柄 String currentWindow = dr.getWindowHandle(); //得到所有窗口的句柄 Set<String> handles = dr.getWindowHandles(); for(String handle : handles) { if(currentWindow.equals(handle)) continue; WebDriver window = dr.switchTo().window(handle); //... } ``` ### alert、confirm、prompt * `getText()` 得到它的文本值 * `accept()` 相當于點擊它的"確認" * `dismiss()` 相當于點擊"取消"或者叉掉對話框 * `sendKeys()` 輸入值 ``` Alert alert = dr.switchTo().alert(); String text = alert.getText(); System.out.println(text); alert.dismiss(); ``` ``` Alert confirm = dr.switchTo().alert(); String text1 = confirm.getText(); confirm.accept(); ``` ``` Alert prompt = dr.switchTo().alert(); String text2 = prompt.getText(); prompt.sendKeys("jarvi"); prompt.accept(); ``` ### 下拉框 頁面: ``` <div id="car-menu"> <h2>品牌選擇</h2> <select name="cars",id="select"> <option value="volvo">Volvo</option> <option value="saab">Saab</option> <option value="fiat" selected="selected">Fiat</option> <option value="audi">Audi</option> <option value="bmw">BMW</option> <option value="Mercedes Benz ">Mercedes Benz </option> </select> </div> ``` 代碼: ``` Select selectCar = new Select(dr.findElement(By.name("cars"))); // 通過下拉列表中選項的索引選中第二項, selectCar.selectByIndex(4); // 通過可見文字“audi”選中相應項, selectengin.selectByVisibleText("audi"); ``` ### 拖放元素 ``` WebElement ele = dr.findElement(By.id("item1")); WebElement tar = dr.findElement(By.id("drop")); (new Action(dr)).dragAndDrop(ele, tar).perform(); ``` ### 表格 下面這個實例按照原順序輸出表格中的內容: ``` WebElement table = driver.findElement(By.id("my-table")); List<WebElement> rows = table.findElements(By.tagName("tr")); for(WebElement row : rows) { // 列里面有"<th>"、"<td>"兩種標簽,所以分開處理。 List<WebElement> heads = row.findElements(By.tagName("th")); for(WebElement head : heads) { System.out.print(head.getText()); System.out,print(" "); } List<WebElement> cols = row.findElements(By.tagName("td")); for(WebElement col : cols) { System.out.print(col.getText()); System.out,print(" "); } System.out,println(); } ```
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