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我有一个JTable显示来自mysql的数据，下面的代码是可行的（可以插入，更新，删除）但是如果我删除一行并创建另一个具有相同ID的显示该行中以前的数据（在我删除之前）而不是新数据。对于插入Java，Swing - Jtable行保留删除
代码，并删除
private void simpanBtnActionPerformed(java.awt.event.ActionEvent evt) {
String hantaranID = hantaranIDText.getText();
String namaLengkap = namaLengkapET.getText();
String alamat = jTextArea1.getText();
String hp = noHp.getText();
Date pengambilan = jXDatePicker1.getDate();
Date pengembalian = jXDatePicker2.getDate();
if (hantaranID.isEmpty()){
JOptionPane.showMessageDialog(null, "Hantaran ID tidak boleh kosong.");
} else if (namaLengkap.isEmpty()){
JOptionPane.showMessageDialog(null, "Nama lengkap tidak boleh kosong.");
} else if (alamat.isEmpty()) {
JOptionPane.showMessageDialog(null, "Alamat tidak boleh kosong.");
} else if (hp.isEmpty()){
JOptionPane.showMessageDialog(null, "Nomor Hand Phone tidak boleh kosong.");
} else if (pengambilan != null && pengembalian != null){
try {
DateFormat sysDate = new SimpleDateFormat("yyyy/MM/dd");
String tglPengambilan = sysDate.format(jXDatePicker1.getDate()).toString();
String tglPengembalian = sysDate.format(jXDatePicker2.getDate()).toString();
Connection conn = MyDBConnection.getConnection();
String insert = "insert into hantaran (hantaran_id, nama_lengkap, alamat, no_hp, tgl_pengambilan, tgl_pengembalian)"
+ "values (?, ?, ? , ? , ?, ?)";
PreparedStatement insertHantaran = conn.prepareStatement(insert, Statement.RETURN_GENERATED_KEYS);
insertHantaran.setString(1, hantaranID);
insertHantaran.setString(2, namaLengkap);
insertHantaran.setString(3, alamat);
insertHantaran.setString(4, hp);
insertHantaran.setString(5, tglPengambilan);
insertHantaran.setString(6, tglPengembalian);
insertHantaran.executeUpdate();
hantaranTabel.revalidate();
hantaranList.clear();
hantaranList.addAll(hantaranQuery.getResultList());
hantaranIDText.setText("");
namaLengkapET.setText("");
jTextArea1.setText("");
noHp.setText("");
jXDatePicker1.setDate(null);
jXDatePicker2.setDate(null);
} catch (Exception e) {
e.printStackTrace();
}
} else {
JOptionPane.showMessageDialog(null, "Tanggal Pengambilan dan Pengembalian tidak boleh kosong.");
}
// TODO add your handling code here:
}
private void hapusBtnActionPerformed(java.awt.event.ActionEvent evt) {
String id = hantaranIDText.getText();
Object[] options = { "YA", "Tidak" };
int choice = JOptionPane.showOptionDialog(null,
"Hapus data ini??",
"Hapus..!",
JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE,
null,
options,
options[0]);
if (choice == JOptionPane.YES_OPTION){
try {
Connection conn = MyDBConnection.getConnection();
String reqq = "DELETE FROM hantaran WHERE hantaran_id = ?";
PreparedStatement delete = conn.prepareStatement(reqq);
delete.setString(1, id);
delete.executeUpdate();
hantaranTabel.revalidate();
hantaranList.clear();
hantaranList.addAll(hantaranQuery.getResultList());
editBtn.setText("EDIT");
hantaranIDText.setText("");
namaLengkapET.setText("");
jTextArea1.setText("");
noHp.setText("");
jXDatePicker1.setDate(null);
jXDatePicker2.setDate(null);
hapusBtn.setEnabled(false);
simpanBtn.setEnabled(true);
} catch (Exception ex) {
Logger.getLogger(HennaPanel.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
我的课
package aplikasi_mahar;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.io.Serializable;
import java.util.Date;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.persistence.Transient;
/**
*
* @author User
*/
@Entity
@Table(name = "hantaran", catalog = "mahardb", schema = "")
@NamedQueries({
@NamedQuery(name = "Hantaran.findAll", query = "SELECT h FROM Hantaran h"),
@NamedQuery(name = "Hantaran.findByHantaranId", query = "SELECT h FROM Hantaran h WHERE h.hantaranId = :hantaranId"),
@NamedQuery(name = "Hantaran.findByNamaLengkap", query = "SELECT h FROM Hantaran h WHERE h.namaLengkap = :namaLengkap"),
@NamedQuery(name = "Hantaran.findByAlamat", query = "SELECT h FROM Hantaran h WHERE h.alamat = :alamat"),
@NamedQuery(name = "Hantaran.findByNoHp", query = "SELECT h FROM Hantaran h WHERE h.noHp = :noHp"),
@NamedQuery(name = "Hantaran.findByTglPengambilan", query = "SELECT h FROM Hantaran h WHERE h.tglPengambilan = :tglPengambilan"),
@NamedQuery(name = "Hantaran.findByTglPengembalian", query = "SELECT h FROM Hantaran h WHERE h.tglPengembalian = :tglPengembalian")})
public class Hantaran implements Serializable {
@Transient
private PropertyChangeSupport changeSupport = new PropertyChangeSupport(this);
private static final long serialVersionUID = 1L;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Basic(optional = false)
@Column(name = "hantaran_id")
private Integer hantaranId;
@Basic(optional = false)
@Column(name = "nama_lengkap")
private String namaLengkap;
@Basic(optional = false)
@Column(name = "alamat")
private String alamat;
@Basic(optional = false)
@Column(name = "no_hp")
private String noHp;
@Basic(optional = false)
@Column(name = "tgl_pengambilan")
@Temporal(TemporalType.DATE)
private Date tglPengambilan;
@Basic(optional = false)
@Column(name = "tgl_pengembalian")
@Temporal(TemporalType.DATE)
private Date tglPengembalian;
public Hantaran() {
}
public Hantaran(Integer hantaranId) {
this.hantaranId = hantaranId;
}
public Hantaran(Integer hantaranId, String namaLengkap, String alamat, String noHp, Date tglPengambilan, Date tglPengembalian) {
this.hantaranId = hantaranId;
this.namaLengkap = namaLengkap;
this.alamat = alamat;
this.noHp = noHp;
this.tglPengambilan = tglPengambilan;
this.tglPengembalian = tglPengembalian;
}
public Integer getHantaranId() {
return hantaranId;
}
public void setHantaranId(Integer hantaranId) {
Integer oldHantaranId = this.hantaranId;
this.hantaranId = hantaranId;
changeSupport.firePropertyChange("hantaranId", oldHantaranId, hantaranId);
}
public String getNamaLengkap() {
return namaLengkap;
}
public void setNamaLengkap(String namaLengkap) {
String oldNamaLengkap = this.namaLengkap;
this.namaLengkap = namaLengkap;
changeSupport.firePropertyChange("namaLengkap", oldNamaLengkap, namaLengkap);
}
public String getAlamat() {
return alamat;
}
public void setAlamat(String alamat) {
String oldAlamat = this.alamat;
this.alamat = alamat;
changeSupport.firePropertyChange("alamat", oldAlamat, alamat);
}
public String getNoHp() {
return noHp;
}
public void setNoHp(String noHp) {
String oldNoHp = this.noHp;
this.noHp = noHp;
changeSupport.firePropertyChange("noHp", oldNoHp, noHp);
}
public Date getTglPengambilan() {
return tglPengambilan;
}
public void setTglPengambilan(Date tglPengambilan) {
Date oldTglPengambilan = this.tglPengambilan;
this.tglPengambilan = tglPengambilan;
changeSupport.firePropertyChange("tglPengambilan", oldTglPengambilan, tglPengambilan);
}
public Date getTglPengembalian() {
return tglPengembalian;
}
public void setTglPengembalian(Date tglPengembalian) {
Date oldTglPengembalian = this.tglPengembalian;
this.tglPengembalian = tglPengembalian;
changeSupport.firePropertyChange("tglPengembalian", oldTglPengembalian, tglPengembalian);
}
@Override
public int hashCode() {
int hash = 0;
hash += (hantaranId != null ? hantaranId.hashCode() : 0);
return hash;
}
@Override
public boolean equals(Object object) {
// TODO: Warning - this method won't work in the case the id fields are not set
if (!(object instanceof Hantaran)) {
return false;
}
Hantaran other = (Hantaran) object;
if ((this.hantaranId == null && other.hantaranId != null) || (this.hantaranId != null && !this.hantaranId.equals(other.hantaranId))) {
return false;
}
return true;
}
@Override
public String toString() {
return "aplikasi_mahar.Hantaran[ hantaranId=" + hantaranId + " ]";
}
public void addPropertyChangeListener(PropertyChangeListener listener) {
changeSupport.addPropertyChangeListener(listener);
}
public void removePropertyChangeListener(PropertyChangeListener listener) {
changeSupport.removePropertyChangeListener(listener);
}
}
连接类
public class MyDBConnection {
static private Connection connection;
public static Connection getConnection() throws Exception{
if(connection == null){
//JDBC
Class.forName("com.mysql.jdbc.Driver");
connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/mahardb", "root", "");
}
return connection;
}
}
注：我使用的持久连接，JAVA JDK7
为了更好地帮助越早，发表[MCVE]或[短的，独立的，正确的示例] （http://www.sscce.org/）。硬编码一些数据来替换数据库。 –
见下面链接其帮助你：http://stackoverflow.com/questions/3179136/jtable-how-to-refresh-table-model-after-insert-delete-or-update-the-data –