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我正在测试我的代码在展示中给出的primefaces收集器示例 我在某处读取其必须覆盖equals和hashcode方法的地方。Primefaces收集器删除不工作
即使重写了方法,我仍然得到相同的错误。
请告诉我,什么是错在我的代码
User.java
@ManagedBean
public class User implements Serializable{
public String name;
public String designation;
public String division;
public User(String name,String division){
setName(name);
setDivision(division);
}
public User(){
}
public String getDesignation() {
return designation;
}
public void setDesignation(String designation) {
this.designation = designation;
}
public String getDivision() {
return division;
}
public void setDivision(String userDivision) {
this.division = userDivision;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
}
commApprover.java
@ManagedBean
@ViewScoped
public class CommApprover implements Serializable{
private User approver = new User();
private List<User> approvers = new ArrayList<User>();
public String reinit() {
approver = new User();
return null;
}
public User getApprover() {
return approver;
}
public void setApprover(User approver) {
this.approver = approver;
}
public List<User> getApprovers() {
return approvers;
}
public void setApprovers(List<User> approvers) {
this.approvers = approvers;
}
@Override
public boolean equals(Object o)
{
if (this == o)
return true;
if (o == null || getClass() != o.getClass())
return false;
if (approver!= null ? !approver.equals(this.approver) : this.approver != null)
return false;
return true;
}
@Override
public int hashCode()
{
int result = approver.hashCode();
return result;
}
}
的index.xhtml
<p:growl id="msgs" />
<p:panel header="Approval Route ">
<h:panelGrid columns="3" id="grid">
<h:outputText value="Name*" />
<h:outputText value="Designation*" />
<h:outputText value="Division*" />
<p:inputText id="app_name" value="#{commApprover.approver.name}" required="true"/>
<p:inputText id="app_designation" value="#{commApprover.approver.designation}" required="true"/>
<p:inputText id="app_division" required="true" value="# {commApprover.approver.division}" />
<p:commandButton id="btn_add" value="Add" update="approvers @parent" action="#{commApprover.reinit}" >
<p:collector value="#{commApprover.approver}" addTo="#{commApprover.approvers}" />
</p:commandButton>
</h:panelGrid>
</p:panel>
<p:outputPanel id="approvers">
<p:dataTable id="approversTable" value="#{commApprover.approvers}" var="approver">
<p:column>
<f:facet name="header">
<h:outputText value="Name" />
</f:facet>
<h:outputText value="#{approver.name}" />
</p:column>
<p:column>
<f:facet name="header">
<h:outputText value="Designation" />
</f:facet>
<h:outputText value="#{approver.designation}" />
</p:column>
<p:column>
<f:facet name="header">
<h:outputText value="Division" />
</f:facet>
<h:outputText value="#{approver.division}" />
</p:column>
<p:column>
<f:facet name="header">
<h:outputText value="Operation" />
</f:facet>
<p:commandLink ajax="true" value="Remove" update=":appform:approvers" process=":appform:approvers">
<p:collector value="#{approver}" removeFrom="#{commApprover.approvers}" />
</p:commandLink>
</p:column>
</p:dataTable>
</p:outputPanel>
</h:form>
可能会帮助,如果您发布错误 – 2013-04-25 07:41:07
srry,实际上没有错误..但删除链接不工作..只有添加是workin – 2013-04-25 08:44:49
你设法解决这个问题吗?我遇到了同样的问题 – nico1510 2014-08-22 15:45:10