这非常简单:
#Entering username John Doe and password p@ssw0rd
browser.text_field(:name, "username").set("John Doe")
browser.text_field(:name, "password").set("p@ssw0rd")
browser.button(:name, "Submit").click
#waiting for the welcome message on page
Watir::Wait.until(browser.text.include? "You've been successfully logged").
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要获取字段的确切名称,请在浏览器中查看源代码或使用Firebug for Firefox,Internet Explorer中的开发人员控制台,Opera中的Dragonfly.