一个关于JavascriptExecutor执行特定javascript后无法switchto的问题 - 51Testing软件测试论坛

<html>
<head>
<title>iFrame Test</title>
</head>
<body>
<div style="height: 300px;width: 400px;">
<input type="text" name="txt" />
<p>
<iframe frameborder="yes" width="100%" style="height:100%;display: block;">
<html>
<body>
<br>
</body>
</html>
</iframe>
<p>
<input type="button" name="sbmt" value="SUBMIT" onclick="javascript:document.getElementsByName('txt')[0].value='You are welcome!'" />
</div>
</body>
</html>

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import java.util.concurrent.TimeUnit;
import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
public class Test1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
WebDriver driver = new FirefoxDriver();
driver.manage().timeouts().implicitlyWait(5, TimeUnit.SECONDS);
driver.manage().window().maximize();
driver.navigate().to("http://localhost/webtest/iframe.htm");
driver.findElement(By.name("txt")).sendKeys("hello");
driver.switchTo().frame(driver.findElement(By.tagName("iframe")));
JavascriptExecutor js = (JavascriptExecutor)driver;
js.executeScript("document.write('hello everybody!')", driver.findElement(By.tagName("body")));
js.executeScript("arguments[0].innerHTML = 'hello everybody!'", driver.findElement(By.tagName("body")));
driver.switchTo().defaultContent();
driver.findElement(By.name("sbmt")).click();
try {
Thread.sleep(3000);
} catch (InterruptedException e) {}
driver.quit();
}
}

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