form的操作
场景
表单对象的操作比较简单，只需要记住下面几点
- 使用sendKeys方法往多行文本框和单行文本框赋值；
- 使用click方法选择checkbox
- 使用click方法选择radio
- 使用click方法点击button
- 使用click方法选择option，从而达到选中select下拉框中某个具体菜单项的效果
代码
form.html
```
### form.rb
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8" />
<title>form</title>
<script type="text/javascript" async="" src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<link href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css" rel="stylesheet" />
<script type="text/javascript">
$(document).ready(function(){
$('input[type=submit]').click(function(){
alert('watir-webdriver is better than selenium webdriver');
});
});
</script>
</head>
<body>
<h3>form</h3>
<div class="row-fluid">
<div class="span6 well">
<form>
<fieldset>
<legend>Legend</legend>
<label class="checkbox">
<input type="checkbox"> Check me out
</label>
<label class="radio">
<input type="radio"> select me
</label>
<label class="select">
<select>
<option>0</option>
<option>1</option>
<option>2</option>
</select> select one item
</label>
<input type="submit" class="btn" value="submit" />
</fieldset>
</form>
</div>
</div>
</body>
<script src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/js/bootstrap.min.js"></script>
</html>
###Form.java
import java.io.File;
import java.util.List;
import org.openqa.selenium.Alert;
import org.openqa.selenium.By;
import org.openqa.selenium.Keys;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;
public class Form {
public static void main(String[] args) throws InterruptedException {
WebDriver dr = new ChromeDriver();
File file = new File("src/form.html");
String filePath = "file:///" + file.getAbsolutePath();
System.out.printf("now accesss %s \n", filePath);
dr.get(filePath);
Thread.sleep(1000);
// 选中checkbox
dr.findElement(By.cssSelector("input[type=checkbox]")).click();
Thread.sleep(1000);
// 选中radio
dr.findElement(By.cssSelector("input[type=radio]")).click();
Thread.sleep(1000);
// 选择下拉菜单中的最后一项
List<WebElement> options = dr.findElement(By.tagName("select")).findElements(By.tagName("option"));
options.get(options.size() - 1).click();
Thread.sleep(1000);
// 点击提交按钮
dr.findElement(By.cssSelector("input[type=submit]")).click();
Alert alert = dr.switchTo().alert();
System.out.println(alert.getText());
alert.accept();
Thread.sleep(1000);
System.out.println("browser will be close");
dr.quit();
}
}
```