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我想要一个时间表，所有用户都可以互相留下“公开”消息。这是我的日程安排的 xhtml

<ui:define name="content">
    <div id="dashboardMain">
        <h:form id="form">  

            <p:growl id="messages" showDetail="true" />  

            <p:schedule id="schedule" value="#{scheduleManager.eventModel}" widgetVar="myschedule" aspectRatio="2" showWeekends="false" rightHeaderTemplate="false">  
                <p:ajax event="dateSelect" listener="#{scheduleManager.onDateSelect}" update="eventDetails" oncomplete="eventDialog.show()" />  
                <p:ajax event="eventSelect" listener="#{scheduleManager.onEventSelect}" update="eventDetails" oncomplete="eventDialog.show()" />  
            </p:schedule>  

            <p:dialog widgetVar="eventDialog" header="#{msg['title.eventDetails']}" showEffect="clip" hideEffect="clip">  
                <h:panelGrid id="eventDetails">
                    <p:row>  
                        <p:inputTextarea id="title" value="#{scheduleManager.event.title}" required="true" cols="40" rows="5" maxlength="100"/>
                    </p:row>  

                    <p:row>
                    <p:commandButton id="addButton" value="Save" process="@form" actionListener="#{scheduleManager.addEvent}" oncomplete="myschedule.update();eventDialog.hide();"/>  
                    <p:commandButton id="deleteButton" value="Delete" process="@form" actionListener="#{scheduleManager.deleteEvent}" oncomplete="myschedule.update();eventDialog.hide();"/>
                    </p:row>  
                </h:panelGrid>  
            </p:dialog>  
        </h:form>  
    </div>
</ui:define>

这是每次有人在计划中添加新消息时保存在数据库中的实体消息

@Entity(name = "schedule_message")
public class ScheduleMessage {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "schedule_message_id")
    private Integer scheduleMessageId;

    @Column(name = "start_date")
    private Date startDate;

    @Column(name = "end_date")
    private Date endDate;

    @Column
    private String message;

    public Integer getScheduleMessageId() {
        return scheduleMessageId;
    }

    public void setScheduleMessageId(Integer schedulerMessageId) {
        this.scheduleMessageId = schedulerMessageId;
    }

    public Date getStartDate() {
        return startDate;
    }

    public void setStartDate(Date startDate) {
        this.startDate = startDate;
    }

    public Date getEndDate() {
        return endDate;
    }

    public void setEndDate(Date endDate) {
        this.endDate = endDate;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }
}

消息存储良好。问题是我不知道如何加载它们。现在，我的问题是：如何加载所有 scheduleMessages（每个都包含 id、startDate、endDate 和实际消息）并将它们显示在 p:schedule 中？

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