java模拟点击和下拉框选中的动作

   browser.executeJavaScriptAndReturnValue("document.getElementsByClassName('select_sort')[0].options[1].selected=true");
             browser.executeJavaScriptAndReturnValue("document.getElementById('cPageBtn').click()");
//点击差评  
        browser.executeJavaScriptAndReturnValue("document.getElementsByClassName('comments-tab-nav')[0].getElementsByTagName('li')[3].click();");