selenium获取input时候，发现type=”hidden” 的input无法修改value,经牛人指点，可以使用js修改
首先html源文件如下，设置为text 、hidden、submit
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在浏览器加载之后如下：
这时候email 不能对外显示
使用selenium，代码如下
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1 import org.openqa.selenium.Alert;
2 import org.openqa.selenium.JavascriptExecutor;
3 import org.openqa.selenium.By;
4 import org.openqa.selenium.WebDriver;
5 import org.openqa.selenium.WebElement;
6 import org.openqa.selenium.chrome.ChromeDriver;
7 //import org.openqa.selenium.ie.InternetExplorerDriver;
8 //import org.openqa.selenium.remote.DesiredCapabilities;
9
10 public class selenium {
11
12 /**
13 * @param args
14 * @throws InterruptedException
15 */
16 public static void main(String[] args) throws InterruptedException {
17 // TODO Auto-generated method stub
18
19 String URL="E:\\2.html";
20 //set
web driver property
21 System.setProperty("webdriver.chrome.driver", "E:\\chromedriver.exe");
22 //create a WebDriver instance
23 WebDriver driver = new ChromeDriver() ;
24 driver.manage().window().maximize();
25
26 //load the URL
27 driver.get(URL);
28 //print current title
29 System.out.println(driver.getTitle());
30 //run JS to modify hidden element
31 ((JavascriptExecutor)driver).executeScript("document.getElementById(\"em\").type ='text';");
32 Thread.sleep(3000);
33 //run JS and add a alert
34 ((JavascriptExecutor)driver).executeScript("alert(\"hello,this is a alert!\");value=\"Alert\"");
35
36 //wait for 3 seconds
37 Thread.sleep(3000);
38
39
40 //create a alert instance
41 Alert alert1=driver.switchTo().alert();
42 //print alert text
43 System.out.println(alert1.getText());
44 //click accept button
45 alert1.accept();
46
47 //create elements
48 WebElement we=driver.findElement(By.id("fn"));
49 WebElement su=driver.findElement(By.id("su"));
50 WebElement em=driver.findElement(By.id("em"));
51 // input something
52 we.sendKeys("username
test");
53 Thread.sleep(3000);
54 //print email tagname
55 System.out.print("Email isDislayed="+em.isDisplayed()+"\n");
56 Thread.sleep(3000);
57 //click submit button
58 su.click();
59 Thread.sleep(3000);
60
61 Alert alert=driver.switchTo().alert();
62 System.out.print( alert.getText());
63 alert.accept();
64
65 Thread.sleep(3000);
66
67 //close web browser
68 driver.quit();
69
70 }
71
72 }
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可以通过js修改input的type value,执行js只需要export
import org.openqa.selenium.JavascriptExecutor;
运行结果如下：
Starting ChromeDriver (v2.9.248315) on port 30175
this is a test
hello,this is a alert!
Email isDislayed=true
I am an alert box!!
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