文本框:
         <INPUT id="email" name="_fmu.u._0.e" value="" />
     方法1： ie.text_field(:id,'email').set("文本内容")
     方法2： ie.text_field(:name, 'email').set("文本内容")
     方法3： ie.text_field(:name,"email").clear

下拉框：
         <SELECT name="cert_no"> 
           <OPTION value="身份证">身份证</OPTION>
         </SELECT>
    方法1： ie.select_list(:name,"cert_no").select("身份证") 
    方法2： ie.select_list(:name,"cert_no").clearSelection

超链接:
           <a href = "http://www.google.cn/">google</a> 
    方法1：ie.link(:text,"google").click 
    方法2：ie.link(:url,"http://www.google.cn/").click

复选框：
          <input type = "checkbox" name = "checkme" value = "1"> 
    方法1： ie.checkbox(:name,"checkme").set 
    方法2： ie.checkbox(:name,"checkme").clear 
    方法3： values = ie.checkbox(:name,"checkme").value
                      <input type = "checkbox" name = "checkme" value = "2"> 
     #多个同名的复选框处理
    方法1： ie.checkbox(:name,"checkme","2").set 
    方法2： ie.checkbox(:name,"checkme","2").clear

单选框：
          <input type = "radio" name = "clickme" id = "1"> 
     方法1： ie.radio(:name, "clickme").set 
     方法2： ie.radio(:name, "clickme").clear

一般按钮：
          <input type = "button" name = "clickme" value = "Click Me"> 
     方法1： ie.button(:value, "Click Me").click 
     方法2： ie.button(:name,"clickme").click

submit按钮：
          <form action = "submit" name = "submitform" method = "post">
             <input type = "submit" value = "Submit"></input>
          </form> 
    方法： ie.button(:value."Submit").click

图片按钮：
          <form action ="submit" name = "doitform" method = "post">
             <input type = "image" src = "images/doit.gif" name = "doit">
          </form> 
    方法：ie.button(:name, "doit").click

Form中无按钮：
          <form action = "login" name = "loginform" method = "get">
              <input name = "username" type = "text"></input>
          </form> 
    方法1：ie.form(:name,"loginform").submit 
    方法2：ie.form(:action,"login").submit

获取隐含对象值：                                                                                
          <INPUT type=hidden value="您的Email" name="field1">                  
     方法：values = ie.hidden(:name,'field1').value                                             
                                                                                                
获取窗口对象：                                                                                  
    方法1： ie2 = Watir::IE.attach(:url,'http://www.google.cn/')   #根据URL获取             
    方法2： ie3 = Watir::IE.attach(:title,'Google')                #根据窗口标题获取
    方法3： ie4 = Watir::IE.attach(:title, /google.cn/)              #正则表达式匹配获取  
                                                                                                
URL编码：                                                                                       
       require 'cgi'                                                                           
       string =  "URL编码"                                                                      
       string = CGI::escape(string)                                                             
       puts string                 # 转换结果： URL%B1%E0%C2%EB                                 
                                                                                                
URL解码：                                                                                       
      require 'cgi'                                                                             
       string =  "URL%BD%E2%C2%EB"                                                              
       string = CGI::unescape(string)                                                           
       puts string                  # 转换结果：URL解码

转自：http://www.cnblogs.com/sky_online/archive/2008/08/12/1265646.html