如何构建一个方法来遍历WebElements并返回使用Selenium显示的WebElements

Question

因此，页面中充满了许多类似的属性，如下面的两个元素。例子：

<button id="exibe_codigo_de_barras_210888-1" data-context="minhas-contas_conta_codigo-barras_btn-ver-codigo-barras-colapse" font-size="0.875rem" width="100%" class="styled__Button-sc-6mz6kj-0 gMrMBo" style="" xpath="1">VER CÓDIGO DE BARRAS <span class="sc-1o2smz3-2 dAGdGd styled__Arrow-tuh5ii-0 iYDeiw"><svg width="12px" height="8px" viewBox="0 0 12 8" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><defs><polygon id="chevron" points="7.41 8 12 12.9446694 16.59 8 18 9.52226721 12 16 6 9.52226721"></polygon></defs><g id="Symbols" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"><g id="Interface/Seta-expandir" transform="translate(-6.000000, -8.000000)"><mask id="mask-2" fill="white"><use xlink:href="#chevron"></use></mask><use id="Seta-expandir" fill="#D82482" fill-rule="nonzero" xlink:href="#chevron"></use></g></g></svg></span></button>

<button id="exibe_codigo_de_barras_210888-2" data-context="minhas-contas_conta_codigo-barras_btn-ver-codigo-barras-colapse" font-size="0.875rem" width="100%" class="styled__Button-sc-6mz6kj-0 gMrMBo" style="" xpath="1">VER CÓDIGO DE BARRAS <span class="sc-1o2smz3-2 dAGdGd styled__Arrow-tuh5ii-0 iYDeiw"><svg width="12px" height="8px" viewBox="0 0 12 8" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><defs><polygon id="chevron" points="7.41 8 12 12.9446694 16.59 8 18 9.52226721 12 16 6 9.52226721"></polygon></defs><g id="Symbols" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"><g id="Interface/Seta-expandir" transform="translate(-6.000000, -8.000000)"><mask id="mask-2" fill="white"><use xlink:href="#chevron"></use></mask><use id="Seta-expandir" fill="#D82482" fill-rule="nonzero" xlink:href="#chevron"></use></g></g></svg></span></button>

我使用PageObject和PageFactory获取元素，并将它们放入如下数组：

@FindAll(@FindBy(how = How.CSS, using = "[data-context=minhas-contas_conta_codigo-barras_btn-ver-codigo-barras-colapse]"))
public List<WebElement> btnVerCodigoDeBarras;

问题是：我需要单击其中一个类似的按钮，而不使用索引（因为结果是很难维护）。我想到了一种方法，我可以收集列表中的所有WebElement并返回屏幕上显示的单个WebElement（我乐于接受新想法），因此以下是我尝试过但未成功的两种方法：

public static WebElement WaitForElementVisibleInArray(List<WebElement> elements) {
    boolean arrayNotEmpty = elements.size() > 0;
    if (arrayNotEmpty) {
        for (Iterator<WebElement> i = elements.iterator(); i.hasNext(); ) {
            WebElement element = i.next();
            if (element.isEnabled() && element.isDisplayed()) {
                return element;
            }
        }
    }
    return null;
}

public static WebElement WaitForElementVisibleInArray(List<WebElement> elements) {
    boolean arrayNotEmpty = elements.size() > 0;        
    if (arrayNotEmpty) {            
        Iterator<WebElement> it = elements.iterator();
        WebElement element;
        while (it.hasNext()) {
            element = it.next();
            if (element.isEnabled() && element.isDisplayed()) {
                return element;
            }
        }
    }
    return null;
}

我找了很多东西，没能解决这个问题。提前谢谢你！

编辑：

根据要求，下面是包含几个div子级的div父级的两个示例：First div：

<div class="sc-1o2smz3-8 bdzhlP styled__Row-sc-13w6d15-0 SpKwt"><div><button id="envia_codigo_de_barras_210888-1" data-context="minhas-contas_conta_codigo-barras_btn-enviar" class="sc-1o2smz3-5 gzODBO styled__Button-sc-6mz6kj-0 EOEkK" font-size="0.875rem" width="100%"><svg fill="#D82482" width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0z"></path><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 14H4V8l8 5 8-5v10zm-8-7L4 6h16l-8 5z"></path></svg> Enviar</button><div class="modal styled__Modal-a94357-0 fQRtzL"><aside class="overlay styled__Overlay-gtv01n-0 joIHPo"></aside><div radius="4" display="flex" direction="column" width="100%" height="auto" cursor="initial" order="0" class="Modal__Container-sc-13j9751-1 cbeGrw Container__ContainerStyle-sc-1iqy2ia-0 dVRtOm" style="max-width: 500px; display: flex; flex: 1 1 0%;"><button class="fechar styled__Button-sc-6mz6kj-0 EOEkK" font-size="0.875rem" width="100%"><svg width="30" height="30" viewBox="0 0 30 30"><path fill="#9B9B9B" fill-rule="evenodd" d="M13.106 15.09L8.227 19.85l1.625 2.035 5.119-4.976 5.099 4.976 1.882-1.83-5.109-4.966 5.109-4.967-1.882-1.83-5.1 4.976-5.118-4.976-1.625 2.035 4.879 4.762zM15 30C6.716 30 0 23.284 0 15 0 6.716 6.716 0 15 0c8.284 0 15 6.716 15 15 0 8.284-6.716 15-15 15z"></path></svg></button><div class="Row styled__Row-sc-13w6d15-0 gPFeBI" data-context="popup_enviar-codigo-barras" style="width: 100%;"><div class="col styled__Col-sc-4ph28m-0 bWdzYK"><div class="Row styled__Row-sc-13w6d15-0 gPFeBI"><h2 class="sc-1h9tg9u-1 ieQsBc Title__TitleStyle-sc-5b4olk-0 gZiyVB" font-weight="Regular" width="100%">Enviar código de barras</h2></div><div class="Row styled__Row-sc-13w6d15-0 cXZsiu"><div class="col styled__Col-sc-4ph28m-0 cEyrnf"><label class="progress-bar styled__Radio-sc-13c6bcq-0 jIgdvS" data-context="popup_enviar-codigo-barras_input-radio_forma-envio" id="envio_email"><input type="checkbox" checked=""><span></span><p font-size="18px" type="p" align="left" font-family="Simplon, OiTextRegular, simplon_bpregular, sans-serif" font-weight="Regular" fontcolor="#222222" themecolor="dark" margin="0" padding="0" width="100%" height="auto" lineheight="1em" letter-spacing="normal" whitespace="initial" maxwidth="initial" class="Text__TextStyle-fp0yjz-0 gTxJFk">&nbsp;E-mail</p></label></div><div class="Row styled__Row-sc-13w6d15-0 fKsxZO"></div><div class="col styled__Col-sc-4ph28m-0 cEyrnf"><label class="progress-bar styled__Radio-sc-13c6bcq-0 jIgdvS" data-context="popup_enviar-codigo-barras_input-radio_forma-envio" id="envio_sms"><input type="checkbox"><span></span><p font-size="18px" type="p" align="left" font-family="Simplon, OiTextRegular, simplon_bpregular, sans-serif" font-weight="Regular" fontcolor="#222222" themecolor="dark" margin="0" padding="0" width="100%" height="auto" lineheight="1em" letter-spacing="normal" whitespace="initial" maxwidth="initial" class="Text__TextStyle-fp0yjz-0 gTxJFk">&nbsp;SMS pra Celular Oi</p></label></div><div class="col styled__Col-sc-4ph28m-0 cEyrnf"></div></div><div class="Row styled__Row-sc-13w6d15-0 gPFeBI"><div class="col styled__Col-sc-4ph28m-0 cKjXbt"><fieldset class="styledFieldset-sc-1r2we57-0 jBoAvV"><input class="sc-1h9tg9u-0 dFDlQp styledInput__Input-sc-1apvofq-0 bkjwCX" id="informe_email" data-context="popup_enviar-codigo-barras_input-text_email" placeholder="Digite seu e-mail" maxlength="50" value=""><div class="sc-1h9tg9u-0 dFDlQp styledMessage-d8kpbw-0 gAaQEw"></div></fieldset></div></div><div class="Row styled__Row-sc-13w6d15-0 kRKEGz"><div class="col styled__Col-sc-4ph28m-0 cKjXbt"><button disabled="" id="submit_envio" data-context="popup_enviar-codigo-barras_input-submit" font-size="0.875rem" width="100%" class="styled__Button-sc-6mz6kj-0 crrbD">ENVIAR</button></div></div></div></div></div></div></div><button data-context="minhas-contas_conta_codigo-barras_btn-copiar" id="copia_codigo_de_barras_210888-1" class="sc-1o2smz3-5 gzODBO styled__Button-sc-6mz6kj-0 EOEkK" font-size="0.875rem" width="100%"><svg fill="#D82482" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0z"></path><path d="M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm-1 4l6 6v10c0 1.1-.9 2-2 2H7.99C6.89 23 6 22.1 6 21l.01-14c0-1.1.89-2 1.99-2h7zm-1 7h5.5L14 6.5V12z"></path></svg> Copiar código</button><button data-context="minhas-contas_conta_codigo-barras_btn-baixar-pdf" class="sc-1o2smz3-5 gzODBO styled__Button-sc-6mz6kj-0 EOEkK" font-size="0.875rem" width="100%"><svg fill="#D82482" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h24v24H0z" fill="none"></path><path d="M14 2H6c-1.1 0-1.99.9-1.99 2L4 20c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6zm2 16H8v-2h8v2zm0-4H8v-2h8v2zm-3-5V3.5L18.5 9H13z"></path></svg> Baixar PDF</button><button id="imprime_fatura_210888-1" data-context="minhas-contas_conta_codigo-barras_btn-imprimir" class="sc-1o2smz3-5 gzODBO styled__Button-sc-6mz6kj-0 EOEkK" font-size="0.875rem" width="100%"><svg fill="#D82482" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 8H5c-1.66 0-3 1.34-3 3v6h4v4h12v-4h4v-6c0-1.66-1.34-3-3-3zm-3 11H8v-5h8v5zm3-7c-.55 0-1-.45-1-1s.45-1 1-1 1 .45 1 1-.45 1-1 1zm-1-9H6v4h12V3z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg> Imprimir</button></div>

第二组：

<div class="sc-1o2smz3-0 dzkPUw styled__Row-sc-13w6d15-0 gPFeBI" data-context="minhas-contas_conta"><div class="col styled__Col-sc-4ph28m-0 cTsLBT" width="100%"><div class="Row styled__Row-sc-13w6d15-0 bTDNmX"><div class="col styled__Col-sc-4ph28m-0 cEyrnf"><div class="no-wrap styled__Row-sc-13w6d15-0 hfVmIP"><div class="col styled__Col-sc-4ph28m-0 hAdyfM"><label class="progress-bar styled__Radio-sc-13c6bcq-0 kXqgpo" id="seleciona_fatura_210888-2"><input type="checkbox"><span></span></label></div><div class="col styled__Col-sc-4ph28m-0 lnnClR"><div class="sc-1o2smz3-8 bdzhlP styled__Row-sc-13w6d15-0 fpsrZI"><h3 font-family="SimplonMedium" data-context="minhas-contas_conta_valor" font-weight="Regular" width="100%" class="Title__TitleStyle-sc-5b4olk-0 kCdfIG">R$ &nbsp;99,88&nbsp;</h3></div><p font-size="14px" lineheight="1.5em" type="p" align="left" font-family="Simplon, OiTextRegular, simplon_bpregular, sans-serif" font-weight="Regular" fontcolor="#222222" themecolor="dark" margin="0" padding="0" width="100%" height="auto" letter-spacing="normal" whitespace="initial" maxwidth="initial" class="Text__TextStyle-fp0yjz-0 bcIQEp">Vencimento: 11/03/2018</p><div class="Row styled__Row-sc-13w6d15-0 gPFeBI" data-context="minhas-contas_conta_status"><div font-size="14" width="auto" class="Alert__StyledAlert-huwm74-0 cOBlGy"><div></div><div>Vencida há <strong data-context="minhas-contas_conta_tempo-vencimento">368 dias</strong></div></div></div></div></div></div><div class="Row styled__Row-sc-13w6d15-0 fKsxZO"></div><div class="col styled__Col-sc-4ph28m-0 kGpLSX"><div class="Row styled__Row-sc-13w6d15-0 gPFeBI"><div class="col styled__Col-sc-4ph28m-0 lnnClR"><button id="baixa_pdf_210888-2" data-context="minhas-contas_produto_conta_btn-ver-boleto" font-size="0.875rem" width="100%" class="styled__Button-sc-6mz6kj-0 EOEkK">Baixar conta em PDF</button></div></div></div><div class="Row styled__Row-sc-13w6d15-0 gPFeBI"></div><div class="Row styled__Row-sc-13w6d15-0 fKsxZO"></div><div class="col styled__Col-sc-4ph28m-0 jtUyYJ"><button id="exibe_codigo_de_barras_210888-2" data-context="minhas-contas_conta_codigo-barras_btn-ver-codigo-barras" font-size="0.875rem" width="100%" class="styled__Button-sc-6mz6kj-0 gMrMBo">VER CÓDIGO DE BARRAS <span class="sc-1o2smz3-2 dAGdGd styled__Arrow-tuh5ii-0 dYwLxl"><svg width="12px" height="8px" viewBox="0 0 12 8" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><defs><polygon id="chevron" points="7.41 8 12 12.9446694 16.59 8 18 9.52226721 12 16 6 9.52226721"></polygon></defs><g id="Symbols" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"><g id="Interface/Seta-expandir" transform="translate(-6.000000, -8.000000)"><mask id="mask-2" fill="white"><use xlink:href="#chevron"></use></mask><use id="Seta-expandir" fill="#D82482" fill-rule="nonzero" xlink:href="#chevron"></use></g></g></svg></span></button></div></div><div height="260" class="sc-1o2smz3-6 dJMXeH 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styled__Row-sc-13w6d15-0 kHQmEI"><div class="sc-1o2smz3-9 jjdcZL Alert__StyledAlert-huwm74-0 cOBlGy" font-size="14" width="auto"><div></div><div><p class="sc-1o2smz3-3 kPGwia Text__TextStyle-fp0yjz-0 beCits" type="p" align="left" font-family="Simplon, OiTextRegular, simplon_bpregular, sans-serif" font-weight="Regular" font-size="16" fontcolor="#222222" themecolor="dark" margin="0" padding="0" width="100%" height="auto" lineheight="1em" letter-spacing="normal" whitespace="initial" maxwidth="initial">Lembre-se que esta conta está cadastrada em Débito Automático.<br>Se realizar o pagamento agora, você deverá entrar em contato com seu banco pra retirar o débito programado.</p></div></div></div><div class="sc-1o2smz3-8 bdzhlP styled__Row-sc-13w6d15-0 SpKwt"><div><button id="envia_codigo_de_barras_210888-2" data-context="minhas-contas_conta_codigo-barras_btn-enviar" class="sc-1o2smz3-5 gzODBO styled__Button-sc-6mz6kj-0 EOEkK" font-size="0.875rem" width="100%"><svg fill="#D82482" width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0z"></path><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 14H4V8l8 5 8-5v10zm-8-7L4 6h16l-8 5z"></path></svg> Enviar</button><div class="modal styled__Modal-a94357-0 fQRtzL"><aside class="overlay styled__Overlay-gtv01n-0 joIHPo"></aside><div radius="4" display="flex" direction="column" width="100%" height="auto" cursor="initial" order="0" class="Modal__Container-sc-13j9751-1 cbeGrw Container__ContainerStyle-sc-1iqy2ia-0 dVRtOm" style="max-width: 500px; display: flex; flex: 1 1 0%;"><button class="fechar styled__Button-sc-6mz6kj-0 EOEkK" font-size="0.875rem" width="100%"><svg width="30" height="30" viewBox="0 0 30 30"><path fill="#9B9B9B" fill-rule="evenodd" d="M13.106 15.09L8.227 19.85l1.625 2.035 5.119-4.976 5.099 4.976 1.882-1.83-5.109-4.966 5.109-4.967-1.882-1.83-5.1 4.976-5.118-4.976-1.625 2.035 4.879 4.762zM15 30C6.716 30 0 23.284 0 15 0 6.716 6.716 0 15 0c8.284 0 15 6.716 15 15 0 8.284-6.716 15-15 15z"></path></svg></button><div class="Row styled__Row-sc-13w6d15-0 gPFeBI" data-context="popup_enviar-codigo-barras" style="width: 100%;"><div class="col styled__Col-sc-4ph28m-0 bWdzYK"><div class="Row styled__Row-sc-13w6d15-0 gPFeBI"><h2 class="sc-1h9tg9u-1 ieQsBc Title__TitleStyle-sc-5b4olk-0 gZiyVB" font-weight="Regular" width="100%">Enviar código de barras</h2></div><div class="Row styled__Row-sc-13w6d15-0 cXZsiu"><div class="col styled__Col-sc-4ph28m-0 cEyrnf"><label class="progress-bar styled__Radio-sc-13c6bcq-0 jIgdvS" data-context="popup_enviar-codigo-barras_input-radio_forma-envio" id="envio_email"><input type="checkbox" checked=""><span></span><p font-size="18px" type="p" align="left" font-family="Simplon, OiTextRegular, simplon_bpregular, sans-serif" font-weight="Regular" fontcolor="#222222" themecolor="dark" margin="0" padding="0" width="100%" height="auto" lineheight="1em" letter-spacing="normal" whitespace="initial" maxwidth="initial" class="Text__TextStyle-fp0yjz-0 gTxJFk">&nbsp;E-mail</p></label></div><div class="Row styled__Row-sc-13w6d15-0 fKsxZO"></div><div class="col styled__Col-sc-4ph28m-0 cEyrnf"><label class="progress-bar styled__Radio-sc-13c6bcq-0 jIgdvS" data-context="popup_enviar-codigo-barras_input-radio_forma-envio" id="envio_sms"><input type="checkbox"><span></span><p font-size="18px" type="p" align="left" font-family="Simplon, OiTextRegular, simplon_bpregular, sans-serif" font-weight="Regular" fontcolor="#222222" themecolor="dark" margin="0" padding="0" width="100%" height="auto" lineheight="1em" letter-spacing="normal" whitespace="initial" maxwidth="initial" class="Text__TextStyle-fp0yjz-0 gTxJFk">&nbsp;SMS pra Celular Oi</p></label></div><div class="col styled__Col-sc-4ph28m-0 cEyrnf"></div></div><div class="Row styled__Row-sc-13w6d15-0 gPFeBI"><div class="col styled__Col-sc-4ph28m-0 cKjXbt"><fieldset class="styledFieldset-sc-1r2we57-0 jBoAvV"><input class="sc-1h9tg9u-0 dFDlQp styledInput__Input-sc-1apvofq-0 bkjwCX" id="informe_email" data-context="popup_enviar-codigo-barras_input-text_email" placeholder="Digite seu e-mail" maxlength="50" value=""><div class="sc-1h9tg9u-0 dFDlQp styledMessage-d8kpbw-0 gAaQEw"></div></fieldset></div></div><div class="Row styled__Row-sc-13w6d15-0 kRKEGz"><div class="col styled__Col-sc-4ph28m-0 cKjXbt"><button disabled="" id="submit_envio" data-context="popup_enviar-codigo-barras_input-submit" font-size="0.875rem" width="100%" class="styled__Button-sc-6mz6kj-0 crrbD">ENVIAR</button></div></div></div></div></div></div></div><button data-context="minhas-contas_conta_codigo-barras_btn-copiar" id="copia_codigo_de_barras_210888-2" class="sc-1o2smz3-5 gzODBO styled__Button-sc-6mz6kj-0 EOEkK" font-size="0.875rem" width="100%"><svg fill="#D82482" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0z"></path><path d="M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm-1 4l6 6v10c0 1.1-.9 2-2 2H7.99C6.89 23 6 22.1 6 21l.01-14c0-1.1.89-2 1.99-2h7zm-1 7h5.5L14 6.5V12z"></path></svg> Copiar código</button><button data-context="minhas-contas_conta_codigo-barras_btn-baixar-pdf" class="sc-1o2smz3-5 gzODBO styled__Button-sc-6mz6kj-0 EOEkK" font-size="0.875rem" width="100%"><svg fill="#D82482" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h24v24H0z" fill="none"></path><path d="M14 2H6c-1.1 0-1.99.9-1.99 2L4 20c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6zm2 16H8v-2h8v2zm0-4H8v-2h8v2zm-3-5V3.5L18.5 9H13z"></path></svg> Baixar PDF</button><button id="imprime_fatura_210888-2" data-context="minhas-contas_conta_codigo-barras_btn-imprimir" class="sc-1o2smz3-5 gzODBO styled__Button-sc-6mz6kj-0 EOEkK" font-size="0.875rem" width="100%"><svg fill="#D82482" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 8H5c-1.66 0-3 1.34-3 3v6h4v4h12v-4h4v-6c0-1.66-1.34-3-3-3zm-3 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styled__Row-sc-13w6d15-0 gCsrNl"><div font-size="14" width="auto" class="Alert__StyledAlert-huwm74-0 cOBlGy"><div><i size="20" width="auto" height="auto" transform="initial" class="Icon__StyledIcon-t66fqd-0 ilQPJq"><svg viewBox="0 0 30 30" version="1.1" xmlns="http://www.w3.org/2000/svg"><g fill="#f8562c"><path d="M15,0 C6.72,0 0,6.72 0,15 C0,23.28 6.72,30 15,30 C23.28,30 30,23.28 30,15 C30,6.72 23.28,0 15,0 Z M16.5,22.5 L13.5,22.5 L13.5,19.5 L16.5,19.5 L16.5,22.5 Z M16.5,16.5 L13.5,16.5 L13.5,7.5 L16.5,7.5 L16.5,16.5 Z"></path></g></svg></i></div><div><p color="#222" type="p" align="left" font-family="Simplon, OiTextRegular, simplon_bpregular, sans-serif" font-weight="Regular" font-size="16" fontcolor="#222222" themecolor="dark" margin="0" padding="0" width="100%" height="auto" lineheight="1em" letter-spacing="normal" whitespace="initial" maxwidth="initial" class="Text__TextStyle-fp0yjz-0 beCits">Ocorreu um erro ao baixar o arquivo.<br>Tente novamente mais tarde.</p></div></div></div></div></div></div></div>

Answer 1

我将演示如何进行，但问题可能是selenium根据元素类型不总是正确返回isDisplayed（）。

public WebElement getFirstVisibleElement(List<WebELement> elements) {
    for (WebElement ele : elements)
        if (ele.isEnabled() && ele.isDisplayed())
            return ele;
    return null;
}

检查网页元素是否显示的更可靠的方法是检查其尺寸（高度和宽度）。如果它们都是零，则不显示。

public WebElement getFirstVisibleElement(List<WebELement> elements) {
    for (WebElement ele : elements)
        if (ele.isEnabled() && ele.getSize().getHeight() > 0 && ele.getSize().getWidth() > 0 )
            return ele;
    return null;
}