【发布时间】：2016-11-18 18:41:03
【问题描述】：
我的表格视图无法在其中显示数据。它在控制台中显示结果集数据，但无法在 tableview javafx 中显示。请帮忙。
教室详情
package application;
public class RoomDetails<object> {
rmlist rmList = new rmlist();
getroom getRoom = new getroom();
@FXML
private Button btnRoom_add;
@FXML
private Button btnRoom_update;
@FXML
private Button btnRoom_del;
@FXML
private TableView<ListRoom> tblroomdetails;
@FXML
private TableColumn<object, Object> tblroomno;
@FXML
private TableColumn<object, Object> tblroomtype;
@FXML
private TableColumn<object, Object> tblac;
@FXML
private TableColumn<object, Object> tbltariff;
@FXML
private TableColumn<object, Object> tblstatus;
@FXML
private Label lblRoomdetails;
Dbconnection dbcon = new Dbconnection();
Connection con;
PreparedStatement pst;
ResultSet rs;
@FXML
public void btnRoom_addonAction(ActionEvent event) throws IOException{
FXMLLoader fXMLLoader = new FXMLLoader();
fXMLLoader.setLocation(getClass().getResource("/application/AddRoom.fxml"));
try{
fXMLLoader.load();
Parent parent = fXMLLoader.getRoot();
Scene scene = new Scene(parent);
scene.setFill(new Color(0, 0, 0, 0));
AddRoom addRoom = fXMLLoader.getController();
addRoom.lbl_Add_Room.setText("ADD Room");
Stage stage = new Stage();
stage.setScene(scene);
stage.initModality(Modality.APPLICATION_MODAL);
stage.initStyle(StageStyle.TRANSPARENT);
stage.show();
}
catch(IOException e){
e.printStackTrace();
}
}
public void viewDetails() {
tblroomdetails.setItems(rmList.roomlist);
getRoom.rmview(rmList);
tblroomno.setCellValueFactory(new PropertyValueFactory<>("roomno"));
tblroomtype.setCellValueFactory(new PropertyValueFactory<>("rmtype"));
tblac.setCellValueFactory(new PropertyValueFactory<>("acstat"));
tbltariff.setCellValueFactory(new PropertyValueFactory<>("rmtariff"));
tblstatus.setCellValueFactory(new PropertyValueFactory<>("rmstatus"));
}
}
课堂空间
package application;
public class getroom {
Dbconnection dbcon = new Dbconnection();
Connection con;
PreparedStatement pst;
ResultSet rs;
public void rmview(rmlist rmList) {
con = dbcon.geConnection();
try{
pst = con.prepareStatement("select * from room");
rs = pst.executeQuery();
System.out.println(rs);
while (rs.next()){
rmList.roomno = rs.getString(1);
rmList.rmtype = rs.getString(2);
rmList.acstat = rs.getString(3);
rmList.rmtariff = rs.getString(4);
rmList.rmstatus = rs.getString(5);
}
rs.close();
pst.close();
con.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
班级列表室
package application;
public class ListRoom {
public String roomno;
public String rmtype;
public String acstat;
public String rmtariff;
public String rmstatus;
public ListRoom(String roomno, String rmtype, String acstat, String rmtariff, String rmstatus) {
super();
this.roomno = roomno;
this.rmtype = rmtype;
this.acstat = acstat;
this.rmtariff = rmtariff;
this.rmstatus = rmstatus;
}
public String getRoomno() {
return roomno;
}
public void setRoomno(String roomno) {
this.roomno = roomno;
}
public String getRmtype() {
return rmtype;
}
public void setRmtype(String rmtype) {
this.rmtype = rmtype;
}
public String getAcstat() {
return acstat;
}
public void setAcstat(String acstat) {
this.acstat = acstat;
}
public String getRmtariff() {
return rmtariff;
}
public void setRmtariff(String rmtariff) {
this.rmtariff = rmtariff;
}
public String getRmstatus() {
return rmstatus;
}
public void setRmstatus(String rmstatus) {
this.rmstatus = rmstatus;
}
}
类 rmlist
package application;
public class rmlist {
public String roomno;
public String rmtype;
public String acstat;
public String rmtariff;
public String rmstatus;
public ObservableList<ListRoom> roomlist = FXCollections.observableArrayList();
}
类 DBConnection
package application;
class DBconnection{
public Connection con;
String username = "root";
String password = "123456";
String driverclass = "com.mysql.jdbc.Driver";
String db_url = "jdbc:mysql://localhost:3306/";
String unicode= "?useUnicode=yes&characterEncoding=UTF-8&useSSL=false";
public Connection mkDataBase() throws SQLException{
try {
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection(db_url, username, password);
} catch (Exception e){
}
return con;
}
public Connection geConnection(){
try {
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection(db_url+"hotel"+unicode, username, password);
} catch (ClassNotFoundException | SQLException ex) {
System.out.println("Too Many Connection");
}
return con;
}
}
【问题讨论】：
-
什么是
Dbconnection？ -
@James_D 这可能是缺少的类定义 :))
-
我永远无法理解为什么需要帮助的人不能花时间确保他们的问题有意义。
标签： java mysql javafx tableview