OmniFaces Ajax实用程序';s updateColumn()未更新p:dataTable
最近,我关于OmniFaces Ajax.updateColumn()的问题得到了以下回答: 在这种情况下,dataTable是JSF标准的h:dataTable,这非常有效 现在,在本例中,当最终用户通过p:calendar组件选择p:dataTable之外的日期时,我尝试更新PrimeFaces p:dataTable。p:dataTable xhtml如下所示:OmniFaces Ajax实用程序';s updateColumn()未更新p:dataTable,ajax,jsf,primefaces,omnifaces,Ajax,Jsf,Primefaces,Omnifaces,最近,我关于OmniFaces Ajax.updateColumn()的问题得到了以下回答: 在这种情况下,dataTable是JSF标准的h:dataTable,这非常有效 现在,在本例中,当最终用户通过p:calendar组件选择p:dataTable之外的日期时,我尝试更新PrimeFaces p:dataTable。p:dataTable xhtml如下所示: <p:dataTable id="flightDataTable" var="flight"
<p:dataTable id="flightDataTable" var="flight"
value="#{pf_flightController.flightsForOrder}">
<p:column headerText="Airport" style="text-align: center !important;">
<p:inputText value="#{flight.airportTx}" maxlength="25" size="10" label="Airport"/>
</p:column>
<p:column headerText="Airline" style="text-align: center !important;">
<p:inputText value="#{flight.airlineTx}" maxlength="25" size="10" label="Airline"/>
</p:column>
<p:column headerText="Flight Number" style="text-align: center !important;">
<p:inputText value="#{flight.flightNumber}" maxlength="8" size="10" label="Flight Number"/>
</p:column>
<p:column headerText="Type" style="text-align: center !important;">
<h:selectOneMenu value="#{flight.flightType}" label="Flight Type">
<f:selectItem itemValue="#{bundle.DropdownOptionValueArrive}" itemLabel="#{bundle.DropdownOptionLabelArrive}"/>
<f:selectItem itemValue="#{bundle.DropdownOptionValueDepart}" itemLabel="#{bundle.DropdownOptionLabelDepart}"/>
</h:selectOneMenu>
</p:column>
<p:column headerText="Date" style="text-align: center !important;">
<h:panelGroup rendered="#{pf_usersController.loggedInViaAndroid == 'N'}">
<p:calendar value="#{flight.flightDate}" navigator="true"
label="Flight Date"
pattern="MM/dd/yyyy" size="10">
<f:convertDateTime pattern="MM/dd/yyyy" />
</p:calendar>
</h:panelGroup>
<h:panelGroup rendered="#{pf_usersController.loggedInViaAndroid == 'Y'}">
<p:inputText value="#{flight.flightDate}"
label="Flight Date" type="date">
<f:convertDateTime pattern="yyyy-MM-dd" />
</p:inputText>
</h:panelGroup>
</p:column>
<p:column headerText="Time" style="text-align: center !important;">
<h:panelGroup rendered="#{pf_usersController.loggedInViaAndroid == 'N'}">
<pe:timePicker value="#{flight.flightTime}"
label="Flight Time" mode="popup"
showPeriod="true" style="width: 80px;">
<f:convertDateTime pattern="hh:mm a" />
</pe:timePicker>
</h:panelGroup>
<h:panelGroup rendered="#{pf_usersController.loggedInViaAndroid == 'Y'}">
<p:inputText value="#{flight.flightTime}"
label="Flight Time" type="time">
<f:convertDateTime pattern="HH:mm" />
</p:inputText>
</h:panelGroup>
</p:column>
</p:dataTable>
以下是POJO的定义:
public class FlightForOrder {
private Integer flightId;
private String airportTx, airlineTx, flightNumber;
private Character flightType;
private Date flightDate, flightTime;
public FlightForOrder() {
}
public Integer getFlightId() {
return flightId;
}
public void setFlightId(Integer flightId) {
this.flightId = flightId;
}
public String getAirportTx() {
return airportTx;
}
public void setAirportTx(String airportTx) {
this.airportTx = airportTx;
}
public String getAirlineTx() {
return airlineTx;
}
public void setAirlineTx(String airlineTx) {
this.airlineTx = airlineTx;
}
public Date getFlightDate() {
return flightDate;
}
public void setFlightDate(Date flightDate) {
this.flightDate = flightDate;
}
public String getFlightNumber() {
return flightNumber;
}
public void setFlightNumber(String flightNumber) {
this.flightNumber = flightNumber;
}
public Date getFlightTime() {
return flightTime;
}
public void setFlightTime(Date flightTime) {
this.flightTime = flightTime;
}
public Character getFlightType() {
return flightType;
}
public void setFlightType(Character flightType) {
this.flightType = flightType;
}
@Override
public int hashCode() {
int hash = 3;
hash = 97 * hash + Objects.hashCode(this.flightId);
return hash;
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final FlightForOrder other = (FlightForOrder) obj;
if (!Objects.equals(this.flightId, other.flightId)) {
return false;
}
return true;
}
}
测试时,服务器日志中显示以下内容:
INFO: pf_OrdersController.updateFlightDateOnAdd(): Components.findComponent(...) found orderAddForm:flightDataTable
这意味着我获得了PrimeFaces p:dataTable的良好引用,因此我将UIData类型的组件传递给Ajax.updateColumn()
最终的结果是,OmniFaces Ajax实用程序的updateColumn()没有更新PrimeFaces数据表
我刚刚注释掉了Ajax.updateColumn(…),并将update=“…”重新添加到p:calendar p:Ajax,并且成功地更新了PrimeFaces数据表
请告知我可能需要做什么来确保PrimeFaces数据表通过Ajax.updateColumn(…)更新。谢谢。更换
<p:column headerText="Date" style="text-align: center !important;">
<h:panelGroup rendered="#{pf_usersController.loggedInViaAndroid == 'N'}">
<p:calendar value="#{flight.flightDate}" navigator="true"
label="Flight Date"
pattern="MM/dd/yyyy" size="10">
<f:convertDateTime pattern="MM/dd/yyyy" />
</p:calendar>
</h:panelGroup>
<h:panelGroup rendered="#{pf_usersController.loggedInViaAndroid == 'Y'}">
<p:inputText value="#{flight.flightDate}"
label="Flight Date" type="date">
<f:convertDateTime pattern="yyyy-MM-dd" />
</p:inputText>
</h:panelGroup>
</p:column>
借
你应该把它修好
说明:Ajax#updateColumn()
仅将直接子级的客户端ID添加到PartialViewContext#getRenderIds()
。但是,如果
没有任何属性(例如id
),则不会在HTML输出中呈现任何内容。因此,JS/Ajax无法找到
的HTML表示来更新它
该修复程序将表单元格的具体内容改为直接子元素,这样JS/Ajax就能够找到并替换它们。另一种方法是给这些面板组一个具体的
id
,但这在这个构造中是不必要的。像往常一样,你是对的,巴卢斯克!还有一件事,我正在向你学习,并且在学习的过程中不断学习。断断续续地,我使用h:panelGroup,有时在这种类型的xhtml中不使用h:panelGroup。有时,我只是将rendered=“…”添加到组件中,有时,我在h:panelGroup rendered=“…”中包装多个组件。谢谢你的回答、解释和全方位的回答!还有一件事,这个Ajax.updateColumn()比p:Ajax update=“…”性能更好。当我在p:ajaxupdate=“…”中包含dataTable时,除了date列之外,所有列都丢失了当前值。为什么?好问题,但通过Ajax实用程序的updateColumn()全向救援!!!
<p:column headerText="Date" style="text-align: center !important;">
<h:panelGroup rendered="#{pf_usersController.loggedInViaAndroid == 'N'}">
<p:calendar value="#{flight.flightDate}" navigator="true"
label="Flight Date"
pattern="MM/dd/yyyy" size="10">
<f:convertDateTime pattern="MM/dd/yyyy" />
</p:calendar>
</h:panelGroup>
<h:panelGroup rendered="#{pf_usersController.loggedInViaAndroid == 'Y'}">
<p:inputText value="#{flight.flightDate}"
label="Flight Date" type="date">
<f:convertDateTime pattern="yyyy-MM-dd" />
</p:inputText>
</h:panelGroup>
</p:column>
<p:column headerText="Date" style="text-align: center !important;">
<p:calendar value="#{flight.flightDate}" navigator="true"
label="Flight Date"
pattern="MM/dd/yyyy" size="10"
rendered="#{pf_usersController.loggedInViaAndroid == 'N'}">
<f:convertDateTime pattern="MM/dd/yyyy" />
</p:calendar>
<p:inputText value="#{flight.flightDate}"
label="Flight Date" type="date"
rendered="#{pf_usersController.loggedInViaAndroid == 'Y'}">
<f:convertDateTime pattern="yyyy-MM-dd" />
</p:inputText>
</p:column>