我对数据表单元格编辑有疑问。我的更新查询正在运行但更新旧值。我正在使用JDBC，PrimeFaces 3.4 GlassFish 3.1 JSF 2+。当我计算执行rows = 1时。 更新的用户和update_time正在改变。但编辑后的输入值不会改变。
我的xhtml
<?xml version='1.0' encoding='UTF-8' ?>
<p:panel header="Ürün Ekleme Formu" toggleOrientation="vertical" toggleable="true">
<p:panelGrid columns="2">
<h:outputText value="Ürün Adı:"/><p:column><p:inputText value="#{urunlist.mahsul.urunAdi}" required="true" requiredMessage="Ürün adı?"/></p:column>
<h:outputText value="Tüik Kodu:"/><p:inputText value="#{urunlist.mahsul.tuikKodu}"/>
<h:outputText value="İva Kodu:"/><p:inputText value="#{urunlist.mahsul.tvaKodu}"/>
<h:outputText value="Üretim Dönemi:"/><p:autoComplete value="#{urunlist.mahsul.uretimDonemi}" completeMethod="#{urunlist.autoComplate(ud)}" var="ud_list" itemLabel="#{ud_list.uretimDonemi}" converter="javax.faces.Character" itemValue="#{ud_list}" forceSelection="false" multiple="false"/>
<h:outputText value="Üretim Şekli"/><p:inputText value="#{urunlist.mahsul.uretimSekli}"/>
<p:commandButton action="#{urunlist.urunKaydet()}" value="Kaydet" update="dataTable"/><input name="hiddo" type="hidden" value="#{login.kullaniciAdi}"/>
</p:panelGrid>
</p:panel>
</ui:insert>
</p:panel>
<p:panel id="viewPanel">
<ui:insert>view Layout</ui:insert>
</p:panel>
<p:panel id="updatePanel">
<ui:insert>Update Form</ui:insert>
</p:panel>
</p:panelGrid>
</div>
<div>
<p:outputPanel id="dataTable" >
<p:panel header="Ürünler">
<p:dataTable value="#{urunlist.urunGetir()}" var="u" paginator="true" rows="5" editable="true" sortOrder="true" draggableColumns="true" rowKey="#{u.urunKodu}">
<p:ajax event="rowEdit" listener="#{urunlist.urunGuncelle}" update=":mainForm:messages"/>
<p:column>
<p:cellEditor>
<f:facet name="output">
<h:outputText value="#{u.urunKodu}"/>
</f:facet>
<f:facet name="input">
<input name="ukod" value="#{u.urunKodu}" type="hidden" disabled="true" />
</f:facet>
</p:cellEditor>
</p:column>
<p:column>
<p:cellEditor>
<f:facet name="output">
<h:outputText value="#{u.tuikKodu}"/>
</f:facet>
<f:facet name="input">
<p:inputText value="#{u.tuikKodu}"/>
</f:facet>
</p:cellEditor>
</p:column>
<p:column>
<p:cellEditor>
<f:facet name="output">
<h:outputText value="#{u.tvaKodu}"/>
</f:facet>
<f:facet name="input">
<h:inputText value="#{u.tvaKodu}"/>
</f:facet>
</p:cellEditor>
</p:column>
<p:column>
<p:cellEditor>
<f:facet name="output">
<h:outputText value="#{u.urunAdi}"/>
</f:facet>
<f:facet name="input">
<h:inputText value="#{u.urunAdi}"/>
</f:facet>
</p:cellEditor>
</p:column>
<p:column>
<p:cellEditor>
<f:facet name="output">
<h:outputText value="#{u.uretimDonemi}(#{u.uretimSekli}-#{u.sulama})"/>
</f:facet>
<f:facet name="input">
<p:panelGrid columns="3">
<p:column>
<h:inputText size="2" value="#{u.uretimDonemi}" title="Üretim Dönemi"/>
</p:column>
<p:column>
<h:inputText size="2" value="#{u.uretimSekli}"/>
</p:column>
<p:column>
<h:inputText size="2" value="#{u.sulama}"/>
</p:column>
</p:panelGrid>
</f:facet>
</p:cellEditor>
</p:column>
<p:column>
#{u.ekleyen}
</p:column>
<p:column>
<h:outputText value="#{u.eklemeZamani}">
<f:convertDateTime pattern="dd.MMMM.yy--hh:mm:ss" timeZone="Turkey"/> </h:outputText>
</p:column>
<p:column>
<p:rowEditor/>
</p:column>
</p:dataTable>
</p:panel>
</p:outputPanel>
</div>
</h:form>
</ui:define>
我的ManagedBean
public LoginBean getLoginned() {
return loginned;
}
public void setLoginned(LoginBean loginned) {
this.loginned = loginned;
}
public urunBean(){
mahsul=new urun();
loginned=new LoginBean();
}
public urun getMahsul() {
return mahsul;
}
public void setMahsul(urun mahsul) {
this.mahsul = mahsul;
}
public List<urun> urunGetir() throws SQLException{
try {
vk=DriverManager.getConnection("jdbc:postgresql://localhost:5432/uretim","postgres","Fa1276");
} catch (SQLException ex) {
System.out.println("DriverManager hatası "+ex);
}
PreparedStatement ps=vk.prepareStatement("select urun_kodu, tuik_kodu, iva_kodu, urun_adi, uretim_donemi, uretim_sekli, sulama, ekleyen, ekleme_zamani from urunler order by urun_kodu desc");
ResultSet sonuc=ps.executeQuery();
liste = new ArrayList<urun>();
while (sonuc.next()){
masul=new urun();
masul.setUrunKodu(sonuc.getLong("urun_kodu"));
masul.setTuikKodu(sonuc.getLong("tuik_kodu"));
masul.setTvaKodu(sonuc.getLong("iva_kodu"));
masul.setUrunAdi(sonuc.getString("urun_adi"));
masul.setUretimDonemi(sonuc.getString("uretim_donemi"));
masul.setUretimSekli(sonuc.getString("uretim_sekli"));
masul.setSulama(sonuc.getBoolean("sulama"));
masul.setEkleyen(sonuc.getString("ekleyen"));
masul.setEklemeZamani(sonuc.getTimestamp("ekleme_zamani"));
liste.add(masul);
}
return this.liste;
}
public void urunKaydet(){
String urunEkle=("insert into urunler(urun_kodu, tuik_kodu, iva_kodu, urun_adi, uretim_donemi, uretim_sekli, sulama, ekleyen, ekleme_zamani) values (nextval('urunler_urun_kodu_seq'),?,?,?,?,?,?,?, now())");
try {
PreparedStatement insert=vk.prepareStatement(urunEkle);
insert.setLong(1, mahsul.getTuikKodu());
insert.setLong(2,mahsul.getTvaKodu());
insert.setString(3,mahsul.getUrunAdi());
insert.setString(4,mahsul.getUretimDonemi());
insert.setString(5, mahsul.getUretimSekli());
insert.setBoolean(6,false);
insert.setString(7,session);
//insert.setString(9,java.sql.Timestamp);
//insert.executeQuery();
insert.executeUpdate();
insert.close();
FacesContext.getCurrentInstance().addMessage(null, new FacesMessage( mahsul.urunAdi+" ürünü\nkaydedildi "));
//String selectInput= UIComponent.getCurrentComponent(null).getId().toString();
//System.out.println(selectInput);
}
catch (SQLException sqe){
System.out.println("sorguda hata var "+sqe);
}
}
public List<urun> autoComplate(urun ud) throws SQLException{
PreparedStatement udps=vk.prepareStatement("select uretim_donemi from urunler group by uretim_donemi");
ResultSet udset=udps.executeQuery();
List<urun> ud_list=new ArrayList<urun>();
while(udset.next()){
ud.uretimDonemi=udset.getString("uretim_donemi");
ud_list.add(ud);
}
/*
PreparedStatement usps=vk.prepareStatement("select uretim_sekli from urunler group by uretim_sekli");
ResultSet usset=usps.executeQuery();
List<urun> us_list=new ArrayList<urun>();
while(usset.next()){
urun us=new urun();
us.uretimSekli=usset.getString("uretim_sekli");
us_list.add(us);
return us_list;
}
*/
return ud_list;
}
public void urunGuncelle(RowEditEvent olay){
this.vk=vk;
urun urn=(urun)olay.getObject();
ExternalContext getirici=FacesContext.getCurrentInstance().getExternalContext();
String gullanici=getirici.getRequestParameterMap().get("hiddo");
//String gullanici=user.getKullaniciAdi();
Long id=(Long)urn.getUrunKodu();
System.out.println(id+"-"+gullanici);
try {
PreparedStatement urunguncelle=vk.prepareStatement("update urunler set urun_adi=?, uretim_donemi=?, uretim_sekli=?, guncelleyen=?, guncelleme_zamani=now() where urun_kodu=?");
urunguncelle.setString(1, urn.getUrunAdi());
urunguncelle.setString(2, urn.getUretimDonemi());
urunguncelle.setString(3, urn.getUretimSekli());
urunguncelle.setString(4, gullanici);
urunguncelle.setLong(5, id);
urunguncelle.executeUpdate();
int etkilenen=urunguncelle.executeUpdate();
if (etkilenen > 0) {
System.out.println(urn.getUrunAdi()+" adlı ürün güncellendi "+etkilenen+" satır.");
FacesContext.getCurrentInstance().addMessage(null,new FacesMessage(urn.urunAdi+" adlı ürün güncellendi"));
System.out.println(urn.getUrunAdi()+" adlı ürün güncellendi!");
}else{
System.out.println("Güncelleme olmadı");
FacesContext.getCurrentInstance().addMessage(null,new FacesMessage("Güncelleme olmadı."));
}
urunguncelle.close();
vk.close();
} catch (SQLException ex) {
System.out.println("Güncelleme hatası "+ex);
}
}
/*
public void deneme(urun u){
String mesaj=("Ellediğiniz satırın id'si "+u.urunKodu+"!");
FacesContext.getCurrentInstance().addMessage(null,new FacesMessage(mesaj));
}*/
}
答案 0 :(得分：0)
我解决了我的问题。我重写了boolean，hashcode和toString方法。我添加了一个关于我的select查询方法的构造函数my bean。