该项目由Primefaces 3.5,JSF 2.0,Oracle数据库组成。
观点:
<h:form id="schedule" class="schedule">
// more JSF and forms and dialogs
<p:dialog widgetVar="patientDialog" dynamic="true" header="Find Patient" showEffect="clip" hideEffect="explode" modal="true" >
<h:form id="frmPatient">
<h:panelGrid id="findPatient" columns="1">
<h:panelGrid id="findPatientParameters" columns="2">
<h:outputLabel value="Firstname: " />
<p:inputText id="name" label="name" size="15" value="#{waitinglistBean.name}" />
<h:outputLabel value="Patient Code: " />
<p:inputText id="pcode" label="pcode" size="15" value="#{waitinglistBean.pcode}" />
<br />
<p:commandButton value="Search" process="name" actionListener="#{waitinglistBean.patients}" update="patients"/>
</h:panelGrid>
<h:panelGrid id="findPatientDetails" columns="1">
<p:dataTable id="patients" var="patient" resizableColumns="true" scrollable="true" scrollWidth="1250"
scrollHeight="150" value="#{waitinglistBean.patients}"
rowKey="#{patient.PCode}" selection="#{waitinglistBean.selectedPatient}"
selectionMode="single" >
<f:facet name="header">
Click "Select" button after selecting a row to select patient.
</f:facet>
<p:column width="150" headerText="Code">
#{patient.PCode}
</p:column>
<p:column width="150" headerText="Family Name">
#{patient.PLname}
</p:column>
<p:column width="150" headerText="First Name">
#{patient.PFname}
</p:column>
<p:column headerText="Sex" >
#{patient.PSex}
</p:column>
<p:column headerText="Birthdate">
#{patient.PBorn}
</p:column>
<p:column headerText="Street">
#{patient.PStreet}
</p:column>
<f:facet name="footer">
<p:commandButton id="viewButton" value="Select" icon="ui-icon-search"
oncomplete="patientDialog.hide()"
update=":frmDialogs:frmWaiting:tabView:patientDetails"
process="patients"/>
</f:facet>
</p:dataTable>
</h:panelGrid>
</h:panelGrid>
</h:form>
</p:dialog>
<p:dialog widgetVar="patientDialog" dynamic="true" header="Find Patient" showEffect="clip" hideEffect="explode" modal="true" >
<h:form id="frmPatient">
<h:panelGrid id="findPatient" columns="1">
<h:panelGrid id="findPatientParameters" columns="2">
<h:outputLabel value="Firstname: " />
<p:inputText id="name" label="name" size="15" value="#{waitinglistBean.name}" />
<h:outputLabel value="Patient Code: " />
<p:inputText id="pcode" label="pcode" size="15" value="#{waitinglistBean.pcode}" />
<br />
<p:commandButton value="Search" process="name" actionListener="#{waitinglistBean.patients}" update="patients"/>
</h:panelGrid>
<h:panelGrid id="findPatientDetails" columns="1">
<p:dataTable id="patients" var="patient" resizableColumns="true" scrollable="true" scrollWidth="1250"
scrollHeight="150" value="#{waitinglistBean.patients}"
rowKey="#{patient.PCode}" selection="#{waitinglistBean.selectedPatient}"
selectionMode="single" >
<f:facet name="header">
Click "Select" button after selecting a row to select patient.
</f:facet>
<p:column width="150" headerText="Code">
#{patient.PCode}
</p:column>
<p:column width="150" headerText="Family Name">
#{patient.PLname}
</p:column>
<p:column width="150" headerText="First Name">
#{patient.PFname}
</p:column>
<p:column headerText="Sex" >
#{patient.PSex}
</p:column>
<p:column headerText="Birthdate">
#{patient.PBorn}
</p:column>
<p:column headerText="Street">
#{patient.PStreet}
</p:column>
<f:facet name="footer">
<p:commandButton id="viewButton" value="Select" icon="ui-icon-search"
oncomplete="patientDialog.hide()"
update=":frmDialogs:frmWaiting:tabView:patientDetails"
process="patients"/>
</f:facet>
</p:dataTable>
</h:panelGrid>
</h:panelGrid>
</h:form>
</p:dialog>
// more JSF and dialogshizzle
</h:form>
支持bean:
@ManagedBean(name="waitinglistBean")
@ViewScoped
public class WaitinglistBean implements Serializable
{
private Patients patient;
private OrWaitinglist orWaitinglist;
private List<Patients> patients = new ArrayList<Patients>();
private String name;
private Integer pcode;
public WaitinglistBean() {
}
public void setSelectedPatient(Patients patient) {
this.patient = patient;
}
public Patients getSelectedPatient() {
return patient;
}
public OrWaitinglist getOrWaitinglist() {
return orWaitinglist;
}
public void setOrWaitinglist(OrWaitinglist orWaitinglist) {
this.orWaitinglist = orWaitinglist;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getPcode() {
return pcode;
}
public void setPcode(Integer pcode) {
this.pcode = pcode;
}
public List<Patients> getPatients() {
PatientsDao patientsDao = new PatientsDaoImpl();
patients = patientsDao.getSearchPatient(name, pcode);
System.out.println(name + " " + pcode);
return patients;
}
public void createOrWaitinglist()
{
orWaitinglist.setPatients(patient);
}
首先,用户输入一个字符串:“Firstname”和一个Integer:“Patient Code”。 当他点击“搜索”按钮时,它会触发actionListener =“#{patientBean.patients} 在那个命令按钮里面。该方法需要2个参数,name和pcode,它们都有自己的setter / getter。
当我查看控制台时,它显示了这两个参数的打印输出,它们是两次“null”,这意味着JSF页面中的参数没有传递给辅助bean,尽管inputText的值有已设置为backingbean set方法:value =“#{patientBean.name}”
我现在的问题是为什么我会得到这些空值。我读了几篇使用这些setter的帖子,但我仍然得到null值。
编辑后我仍然有同样的问题;
答案 0 :(得分:2)
用于h:panelgrid
中输入组件的发送值到支持bean使用类似这样的东西:
<p:commandButton value="Search" process="@(frmPatient:findPatientParameters :input)"
actionListener="#{patientBean.patients}" update="patients"/>