f:attribute 与 af:clientAttribute 用法

最新推荐文章于 2024-04-01 19:09:48 发布
最新推荐文章于 2024-04-01 19:09:48 发布 · 183 阅读 · 0

本文介绍了在JavaServer Faces (JSF) 中如何使用f:attribute与af:componentAttribute来传递数据给事件监听器或客户端脚本。通过具体的示例，展示了如何将组件属性的值传递给bean中的方法以及JavaScript函数。

f:attribute与af:clientAttribute用法

(2013-09-26 10:44:34)
标签：

it

类：
f:attribute，af:clientAttribute可以在监听时取到相对应binding的值。

如用for Each 循环 或表时，取当前行的字段的值
在bean取用 f:attribute

在用会用actionlistener的组件下加<wbr>f:attribute</wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr>&lt;af:commandLink partialSubmit="true"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>clientComponent="true"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>id="cl2"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>text="·#{bindings.EcpExInfoAnnounceVO1.children[stat.index].InfoAnnounceTitle}"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>inlineStyle="color:rgb(99,99,99); font-size:12.0px;"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>actionListener="#{HomePageBean.gotoinfo}"&gt;</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>&lt;f:attribute name="InfoAnnounceId"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr>value="#{bindings.EcpExInfoAnnounceVO1.children[stat.index].InfoAnnounceId}"/&gt;</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>&lt;/af:commandLink&gt;</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
bean代码<wbr></wbr>
<wbr>public void gotoinfo(ActionEvent actionEvent) {</wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>Map attr = actionEvent.getComponent().getAttributes();</wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>String InfoAnnounceId = attr.get("InfoAnnounceId").toString();</wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>System.out.println(InfoAnnounceId);</wbr></wbr></wbr></wbr>
}

在js取用 af:clientAttribute
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>&lt;af:commandLink id="cl4" partialSubmit="true"&gt;</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>&lt;af:image clientComponent="true" id="image5"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>source="#{bindings.ProfileValue.inputValue}#{bindings.result.children[stat.index].ShortPicUrl}"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>inlineStyle="width:150px;height:135px;"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>imageMapType="server"&gt;</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>&lt;af:clientAttribute value="#{bindings.ProfileValue.inputValue}#{bindings.result.children[stat.index].DetailPicUrl}"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>name="url"/&gt;</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>&lt;af:clientAttribute name="ProductName"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>value="产品名称：#{bindings.result.children[stat.index].ProductName}"/&gt;</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>&lt;af:clientAttribute value="产品详情：#{bindings.result.children[stat.index].Description}"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>name="Description"/&gt;</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>&lt;af:clientListener method="showDetail"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr>type="click"/&gt;</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>&lt;af:showPopupBehavior triggerType="click"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>align="endAfter"</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>popupId="::ProductDeatilPopup"/&gt;</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>&lt;/af:image&gt;</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>&lt;/af:commandLink&gt;</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>

js代码
<wbr><span></span><wbr><span></span><wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>function showDetail(e) {</wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>var im = e.getSource();</wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>var name = im.getProperty("ProductName");</wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>var popup = AdfPage.PAGE.findComponent("ProductDeatilPopup");</wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>var productname = popup.findComponent("ProductDeatilNameOt");</wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>var image = popup.findComponent("ProductDeatilImage");</wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>if (image) {</wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>image.setSource(im.getProperty("url"));</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>}</wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>if (productname) {</wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>productname.setValue(im.getProperty("ProductName"));</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>}</wbr></wbr></wbr></wbr></wbr></wbr>
<wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span><wbr><span></span>var desc = popup.findComponent("ProductDeatilOt");</wbr></wbr></wbr></wbr></wbr></wbr>
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f:attribute 只能被actionListener接收吗
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