Ich habe eine Swing-Anwendung mit Netbeans. Ich versuche, Benutzerobjekt in die Datenbanktabelle einzufügen. Aber ich bin immer folgende Fehler

Question

PreparedStatement ps=null; 
    public void savedetail(detailsDto detailsdto){ 
     String sql="INSERT into bloodgp"+"(name,age,add,sex,bg,contact,hobbies)"+"values(?,?,?,?,?,?,?)"; 
     try { 
      ps=dbutil.getConnection().prepareStatement(sql); 
      ps.setString(1, detailsdto.getName()); 
      ps.setInt(2, detailsdto.getAge()); 
      ps.setString(3, detailsdto.getAddress()); 
      ps.setString(4, detailsdto.getGender()); 
      ps.setString(5, detailsdto.getBg()); 
      ps.setDouble(6, detailsdto.getContact()); 
      ps.setString(7, detailsdto.getHobbies()); 
      ps.executeUpdate(); 
     } 

---

com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'add,sex,bg,contact,hobbies)values('dasdasd',1,'sa','Male','A+',123123.0,' Sports' at line 1 
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) 
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) 
    at java.lang.reflect.Constructor.newInstance(Constructor.java:408) 
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) 
    at com.mysql.jdbc.Util.getInstance(Util.java:386) 
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1053) 
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4120) 
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4052) 
    at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2503) 
    at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2664) 
    at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2794) 
    at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155) 
    at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2458) 
    at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2375) 
    at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2359) 
    at com.dipesh.details.dao.detailsDao.savedetail(detailsDao.java:33) 
    at com.dipesh.details.view.BloodBank.jButton1ActionPerformed(BloodBank.java:265) 
    at com.dipesh.details.view.BloodBank.access$100(BloodBank.java:17) 
    at com.dipesh.details.view.BloodBank$2.actionPerformed(BloodBank.java:96) 
    at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022) 
    at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346) 
    at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) 
    at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) 
    at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) 
    at java.awt.Component.processMouseEvent(Component.java:6527) 
    at javax.swing.JComponent.processMouseEvent(JComponent.java:3321) 
    at java.awt.Component.processEvent(Component.java:6292) 
    at java.awt.Container.processEvent(Container.java:2234) 
    at java.awt.Component.dispatchEventImpl(Component.java:4883) 
    at java.awt.Container.dispatchEventImpl(Container.java:2292) 
    at java.awt.Component.dispatchEvent(Component.java:4705) 
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898) 
    at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533) 
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462) 
    at java.awt.Container.dispatchEventImpl(Container.java:2278) 
    at java.awt.Window.dispatchEventImpl(Window.java:2739) 
    at java.awt.Component.dispatchEvent(Component.java:4705) 
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746) 
    at java.awt.EventQueue.access$400(EventQueue.java:97) 
    at java.awt.EventQueue$3.run(EventQueue.java:697) 
    at java.awt.EventQueue$3.run(EventQueue.java:691) 
    at java.security.AccessController.doPrivileged(Native Method) 
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) 
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86) 
    at java.awt.EventQueue$4.run(EventQueue.java:719) 
    at java.awt.EventQueue$4.run(EventQueue.java:717) 
    at java.security.AccessController.doPrivileged(Native Method) 
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) 
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:716) 
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) 
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) 
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) 
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) 
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) 
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) 

Answer 1

hinzufügen ist ein reserviertes Wort für MySQL so für, dass Sie diesen Fehler, dies zu vermeiden, haben Sie zwei Möglichkeiten:

One: ändern Sie den Namen
Two: verwenden Sie den Namen zwischen zwei ``

String sql="INSERT into bloodgp (name, age, `add`, sex, bg, contact, hobbies) values(?,?,?,?,?,?,?)"; 
//------------------------------------------^---^---- 

Sie überprüfen und Beispiel hier sqlfiddle.com