IE8和Primefaces p:selectOneMenu在表格中有很多p:selectOneMenu时行为不端

Question

首先,我想为我发布的长代码道歉,它们非常简单,它只是p:selectOneMenu重复17次(这就是为什么它很长).我遇到的问题是,如果我p:selectOneMenu在表单中有太多,那么selectOneMenu当用户点击它时,问题就会消失并且不会下降(除非我点击垃圾邮件selectOneMenu),列表不会下拉.奇怪的是,如果它只有1或2 selectOneMenu那么它工作正常(这就是我发布显示17下拉列表的代码的原因).这只发生在IE8中.这项工作很好的是IE6,7 FF,Chrome.

再一次:为长代码道歉

EDIT1:我只是编辑我的代码,foodList为我的托管bean 添加更多条目.这对于复制我的问题至关重要

<div id="MainWrapper">
    <h:form id="myForm" styleClass="mainForm">
        <h:panelGrid columns="2" columnClasses="columnStyle,columnStyle">
            <h:panelGrid columns="3">
                Select Food1:
                <p:selectOneMenu id="food1" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood1"/>
                </p:selectOneMenu>
                <p:message id="errorFood1" for="food1"/>

                Select Food2:
                <p:selectOneMenu id="food2" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood2"/>
                </p:selectOneMenu>
                <p:message id="errorFood" for="food2"/>

                Select Food3:
                <p:selectOneMenu id="food3" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood3"/>
                </p:selectOneMenu>
                <p:message id="errorFood3" for="food3"/>

                Select Food4:
                <p:selectOneMenu id="food4" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood4"/>
                </p:selectOneMenu>
                <p:message id="errorFood4" for="food4"/>

                Select Food5:
                <p:selectOneMenu id="food5" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood5"/>
                </p:selectOneMenu>
                <p:message id="errorFood5" for="food5"/>

                Select Food6:
                <p:selectOneMenu id="food6" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood6"/>
                </p:selectOneMenu>
                <p:message id="errorFood6" for="food6"/>

                Select Food7:
                <p:selectOneMenu id="food7" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood7"/>
                </p:selectOneMenu>
                <p:message id="errorFood7" for="food7"/>

                Select Food8:
                <p:selectOneMenu id="food8" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood8"/>
                </p:selectOneMenu>
                <p:message id="errorFood8" for="food8"/>

                Select Food9:
                <p:selectOneMenu id="food9" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood9"/>
                </p:selectOneMenu>
                <p:message id="errorFood9" for="food9"/>

                Select Food10:
                <p:selectOneMenu id="food10" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood10"/>
                </p:selectOneMenu>
                <p:message id="errorFood10" for="food10"/>

                Select Food11:
                <p:selectOneMenu id="food11" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood11"/>
                </p:selectOneMenu>
                <p:message id="errorFood11" for="food11"/>

                Select Food12:
                <p:selectOneMenu id="food12" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood12"/>
                </p:selectOneMenu>
                <p:message id="errorFood12" for="food12"/>

                Select Food13:
                <p:selectOneMenu id="food13" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood13"/>
                </p:selectOneMenu>
                <p:message id="errorFood13" for="food13"/>

                Select Food14:
                <p:selectOneMenu id="food14" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood14"/>
                </p:selectOneMenu>
                <p:message id="errorFood14" for="food14"/>

                Select Food15:
                <p:selectOneMenu id="food15" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood15"/>
                </p:selectOneMenu>
                <p:message id="errorFood15" for="food15"/>

                Select Food16:
                <p:selectOneMenu id="food16" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood16"/>
                </p:selectOneMenu>
                <p:message id="errorFood16" for="food16"/>

                Select Food17:
                <p:selectOneMenu id="food17" required="true" value="#{viewBean.selectedFood}"
                                    styleClass="dropdown-width">
                    <f:selectItem itemLabel="Select One" itemValue=""/>
                    <f:selectItems value="#{viewBean.foodList}"/>
                    <p:ajax update=":myForm:errorFood17"/>
                </p:selectOneMenu>
                <p:message id="errorFood17" for="food17"/>
            </h:panelGrid>
            There is supposed to be another table here
        </h:panelGrid>
        <p:commandButton value="submit" update="myForm"/>
    </h:form>
</div>

管理Bean

@ManagedBean
@ViewScoped
public class ViewBean implements Serializable {

    private List<String> foodList;
    private String selectedFood;

    public ViewBean() {
    }

    @PostConstruct
    public void init() {

        foodList = new ArrayList<String>();
        foodList.add("Pizza");
        foodList.add("Pasta");
        foodList.add("Hamburger");
        foodList.add("Hot Dog");
        foodList.add("Spring Roll");
        foodList.add("Grill Fish");
        foodList.add("Chips");
        foodList.add("Ramen");
    }
    //setter, getter
}

这是我的CSS.

body{
    background-color: #EBEAE3;
    font-family: Trebuchet;
    margin: 0;
}

#MainWrapper{
    margin: 0 auto;
    width: 1100px;
    background-color: white;
}

.columnStyle{
    vertical-align: top;
}

.mainForm{
    margin-left: 68px;
}

.dropdown-width{
    width: 400px;
}

.ui-widget {
    font-family: Arial,sans-serif;
    font-size: 0.8em;
}

td .ui-selectonemenu {
    display:block;
}

我已经花了很多时间来调试这个,但事实是当有很多时候它会发生错误selectOneMenu并且当有1或2个工作正常时,selectOneMenu我的大脑就会出错.这是我的doctype

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

Answer 1

我也有同样的问题.在Mojarra 2.1.3(FCS b02)上测试Primefaces 3.0.RC1和3.1

我没有找到解决方案,但我找到了3个解决方法:

1)更改布局,使下拉列表不会相互叠加(或通过其他组件)

2)将IE 7兼容性添加为页面标记.以下声明必须高于您的标记.(因为它必须是第一个元标记)

<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />

3)务必始终显示垂直滚动条.为此,您可以将以下内容添加到CSS3样式表中:

body {
    overflow-y: scroll;
}

或者CSS2:

body {
    overflow: scroll;
}

我觉得奇怪的是,这些变通办法中的一些是如何工作的,但确实如此.我自己去了选项3.

我希望很快就会有解决方案.

Answer 2

我们在 IE7 中也有这个问题，它需要三次单击才能显示下拉列表。令人难以置信的解决方案 aehh 解决方法：插入

<p:confirmDialog> 
</p:confirmDialog> 

在使用 selectOneMenu 的网站中:-) 它有效。