Selenium2学习-028-WebUI自动化实战实例-026-获取页面元素值或者元素属性值

在自动化脚本编写过程中，经常需要获取页面元素的文本进行判断，以便对于不同的文本进行不同的处理。比如：很多的购物网站，加入购物车的按钮是有多个状态的（加入购物车、到货通知、暂不销售等），那么在实际的操作过程中，需要对此按钮对应的不同的值，执行相应的逻辑。

代码相对比较简单，在此不再详细说明了，直接上码，敬请各位小主参阅，若有不足之处，敬请大神指正，非常感谢！

获取元素值的源码如下所示：

     /**
      * @function Get text of element. It will be return null when the element not exist or By is null
      *
      * @author Aaron.ffp
      * @version V1.0.0: autoUISelenium main.java.aaron.sele.core SeleniumCore.java getElementText, 2015-1-25 20:48:04 Exp $
      *
      * @param by  : By
      *
      * @return String
      */
     public String getElementText(By by){
         String elementText = "";

         if (by == null) {
             return "";
         }

         try {
             elementText = this.getElement(by).getText().toString().trim();
         } catch (NoSuchElementException nsee) {
             this.logger.error(nsee);
             nsee.printStackTrace();
         }

         return elementText;
     }

     /**
      * @function Get text of element. It will be return null when the element not exist or locator is empty
      *
      * @author Aaron.ffp
      * @version V1.0.0: autoUISelenium main.java.aaron.sele.core SeleniumCore.java getElementText, 2015-1-25 20:47:40 Exp $
      *
      * @param locator  : (ID, name, cssSelector, xpath, linkText, className, partialLinkText, tagName)
      *
      * @return String
      */
     public String getElementText(String locator){
         String elementText = "";

         locator = ((locator == null)|| "".equals(locator)) ? "" : locator;

         try {
             elementText = this.getElement(locator).getText().toString().trim();
         } catch (NoSuchElementException nsee) {
             this.logger.error(nsee);
             nsee.printStackTrace();
         }

         return elementText;
     }

     /**
      * @function Get text of element. It will be return empty when the element not exist or locator is empty
      *
      * @author Aaron.ffp
      * @version V1.0.0: autoUISelenium main.java.aaron.sele.core SeleniumCore.java getElementText, 2015-1-25 19:10:42 Exp $
      *
      * @param webdriver : WebDriver
      * @param by        : By
      *
      * @return String
      */
     public String getElementText(WebDriver webdriver, By by){
         String elementText = "";

         try {
             elementText = this.getElement(webdriver, by).getText().toString().trim();
         } catch (NoSuchElementException nsee) {
             this.logger.error(nsee);
             nsee.printStackTrace();
         }

         return elementText;
     }

     /**
      * @function Get text of element. It will be return empty when the element not exist or locator is empty
      *
      * @author Aaron.ffp
      * @version V1.0.0: autoUISelenium main.java.aaron.sele.core SeleniumCore.java getElementText, 2015-1-25 19:01:03 Exp $
      *
      * @param webdriver : WebDriver
      * @param locator   : (ID, name, cssSelector, xpath, linkText, className, partialLinkText, tagName)
      *
      * @return String
      */
     public String getElementText(WebDriver webdriver, String locator){
         String elementText = "";

         try {
             elementText = this.getElement(webdriver, locator).getText().toString().trim();
         } catch (NoSuchElementException nsee) {
             this.logger.error(nsee);
             nsee.printStackTrace();
         }

         return elementText;
     }

     /**
      * @function Get text of element. It will be return empty when the element not exist or locator is empty
      *
      * @author Aaron.ffp
      * @version V1.0.0: autoUISelenium main.java.aaron.sele.core SeleniumCore.java getElementTextByXpath, 2015-1-25 20:47:03 Exp $
      *
      * @param locator : XPath
      *
      * @return String
      */
     public String getElementTextByXpath(String locator){
         String elementText = "";

         try {
             elementText = this.webdriver.findElement(By.xpath(locator)).getText().toString().trim();
         } catch (NoSuchElementException nsee) {
             this.logger.error(nsee);
             nsee.printStackTrace();
         }

         return elementText;
     }

     /**
      * @function Get text of element. It will be return empty when the element not exist or locator is empty
      *
      * @author Aaron.ffp
      * @version V1.0.0: autoUISelenium main.java.aaron.sele.core SeleniumCore.java getElementText, 2015-1-25 20:47:03 Exp $
      *
      * @param webdriver : WebDriver
      * @param locator   : XPath
      *
      * @return String
      */
     public String getElementTextByXpath(WebDriver webdriver, String locator){
         String elementText = "";

         try {
             elementText = this.webdriver.findElement(By.xpath(locator)).getText().toString().trim();
         } catch (NoSuchElementException nsee) {
             this.logger.error(nsee);
             nsee.printStackTrace();
         }

         return elementText;
     }

获取元素属性值的源码如下所示：

     /**
      * @function Get text of attribute to the element. It will be return empty when the attribute not exist.
      *
      * @author Aaron.ffp
      * @version V1.0.0: autoUISelenium main.java.aaron.sele.core SeleniumCore.java getElementValue, 2015-1-25 20:42:13 Exp $
      *
      * @param locator   : (ID, name, cssSelector, xpath, linkText, className, partialLinkText, tagName)
      * @param attribute : attribute of element
      *
      * @return String
      */
     public String getElementValue(By by, String attribute){
         String attrbuteValue = "";

         try {
             attrbuteValue = this.getElement(by).getAttribute(attribute);
         } catch (NoSuchElementException nsee) {
             this.logger.error(nsee);
             nsee.printStackTrace();
         }

         return attrbuteValue;
     }

     /**
      * @function Get text of attribute to the element. It will be return empty when the attribute not exist.
      *
      * @author Aaron.ffp
      * @version V1.0.0: autoUISelenium main.java.aaron.sele.core SeleniumCore.java getElementValue, 2015-1-25 20:37:02 Exp $
      *
      * @param locator   : (ID, name, cssSelector, xpath, linkText, className, partialLinkText, tagName)
      * @param attribute : attribute of element
      *
      * @return String
      */
     public String getElementValue(String locator, String attribute){
         String attrbuteValue = "";

         try {
             attrbuteValue = this.getElement(locator).getAttribute(attribute);
         } catch (NoSuchElementException nsee) {
             this.logger.error(nsee);
             nsee.printStackTrace();
         }

         return attrbuteValue;
     }

     /**
      * @function Get text of attribute to the element. It will be return empty when the attribute not exist.
      *
      * @author Aaron.ffp
      * @version V1.0.0: autoUISelenium main.java.aaron.sele.core SeleniumCore.java getElementValue, 2015-1-25 19:41:17 Exp $
      *
      * @param webdriver : WebDriver
      * @param locator   : (ID, name, cssSelector, xpath, linkText, className, partialLinkText, tagName)
      * @param attribute : attribute of element
      *
      * @return String
      */
     public String getElementValue(WebDriver webdriver, By by, String attribute){
         String attrbuteValue = "";

         try {
             attrbuteValue = this.getElement(webdriver, by).getAttribute(attribute);
         } catch (NoSuchElementException nsee) {
             this.logger.error(nsee);
             nsee.printStackTrace();
         }

         return attrbuteValue;
     }

     /**
      * @function Get text of attribute to the element. It will be return empty when the attribute not exist.
      *
      * @author Aaron.ffp
      * @version V1.0.0: autoUISelenium main.java.aaron.sele.core SeleniumCore.java getElementValue, 2015-1-25 19:36:23 Exp $
      *
      * @param webdriver : WebDriver
      * @param locator   : (ID, name, cssSelector, xpath, linkText, className, partialLinkText, tagName)
      * @param attribute : attribute of element
      *
      * @return String
      */
     public String getElementValue(WebDriver webdriver, String locator, String attribute){
         String attrbuteValue = "";

         try {
             attrbuteValue = this.getElement(webdriver, locator).getAttribute(attribute);
         } catch (NoSuchElementException nsee) {
             this.logger.error(nsee);
             nsee.printStackTrace();
         }

         return attrbuteValue;
     }

     /**
      * @function Get text of attribute to the element. It will be return empty when the attribute not exist.
      *
      * @author Aaron.ffp
      * @version V1.0.0: autoUISelenium main.java.aaron.sele.core SeleniumCore.java getElementValueByXpath, 2015-1-25 20:47:03 Exp $
      *
      * @param locator   : XPath
      * @param attribute : attribute of element
      *
      * @return String
      */
     public String getElementValueByXpath(String locator, String attribute){
         String attrbuteValue = "";

         try {
             attrbuteValue = this.webdriver.findElement(By.xpath(locator)).getAttribute(attribute);
         } catch (NoSuchElementException nsee) {
             this.logger.error(nsee);
             nsee.printStackTrace();
         }

         return attrbuteValue;
     }

     /**
      * @function Get text of attribute to the element. It will be return empty when the attribute not exist.
      *
      * @author Aaron.ffp
      * @version V1.0.0: autoUISelenium main.java.aaron.sele.core SeleniumCore.java getElementValueByXpath, 2015-1-25 20:47:03 Exp $
      *
      * @param webdriver : WebDriver
      * @param locator   : XPath
      * @param attribute : attribute of element
      *
      * @return String
      */
     public String getElementValueByXpath(WebDriver webdriver, String locator, String attribute){
         String attrbuteValue = "";

         try {
             attrbuteValue = this.webdriver.findElement(By.xpath(locator)).getAttribute(attribute);
         } catch (NoSuchElementException nsee) {
             this.logger.error(nsee);
             nsee.printStackTrace();
         }

         return attrbuteValue;
     }

至此，WebUI 自动化功能测试脚本第 026-获取页面元素值或者元素属性值 顺利完结，希望此文能够给初学 Selenium 的您一份参考。

最后，非常感谢亲的驻足，希望此文能对亲有所帮助。热烈欢迎亲一起探讨，共同进步。非常感谢！ ^_^