如何获取JavaFX tableview数据并保存到Mysql数据库
我在FXML中使用javafx创建了一个表，它连接到我的数据库并填充值，我还有两个下拉列表，选择下拉值后，我在同一列中创建了一个按钮。我需要将已填充的值和下拉值保存到另一个数据库中。有没有办法做到这一点。
我附上了tableview和控件的图片。
我想按下“Just Save it”按钮。按下按钮我希望将相应按钮列中的列数据保存到数据库中。
package javafxapplication4;
import java.awt.Desktop;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.time.LocalDate;
import java.util.ResourceBundle;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.HostServices;
import javafx.beans.property.ReadOnlyObjectWrapper;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.ComboBox;
import javafx.scene.control.DatePicker;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableColumn.CellDataFeatures;
import javafx.scene.control.TablePosition;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.web.WebEngine;
import javafx.scene.web.WebView;
import javafx.util.Callback;
import javafx.scene.control.Label;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.control.Button;
import javafx.scene.control.Hyperlink;
import javafx.scene.control.ListView;
import javafx.scene.control.TextField;
import javafx.scene.control.cell.TextFieldTableCell;
/**
* FXML Controller class
*
* @author ammydeen
*/
public class FXMLController implements Initializable {
public TableView tableView;
public TableColumn col_id;
public TableColumn date_column;
public TableColumn task_column;
public TableColumn bs_column;
public TableColumn cold_column;
public TableColumn sub_column;
public TableColumn er_column;
public TableColumn comp_column;
ObservableList<Record> data = FXCollections.observableArrayList();
@FXML
public TableColumn error_sub_column;
@FXML
private DatePicker fdPicker;
@FXML
private DatePicker tdPicker;
@FXML
private TextField textFiel;
public String fromDate;
public String toDate;
public String User_Id;
public Hyperlink hyperlink;
public ResultSet rs;
public Connection conn;
public WebView ewv;
public WebEngine engine1;
public ListView listView;
public HostServices hos;
@FXML
public Label hiddenlable;
@FXML
private Button bluebutton;
@FXML
private Button coldbutton;
public void initialize(URL url, ResourceBundle rb) {
tableView.setEditable(true);
tableView.getSelectionModel().selectedItemProperty().addListener(new ChangeListener() {
@Override
public void changed(ObservableValue observableValue, Object oldValue, Object newValue) {
//Check whether item is selected and set value of selected item to Label
if (tableView.getSelectionModel().getSelectedItem() != null) {
TableView.TableViewSelectionModel selectionModel = tableView.getSelectionModel();
ObservableList selectedCells = selectionModel.getSelectedCells();
TablePosition tablePosition = (TablePosition) selectedCells.get(0);
Object val = tablePosition.getTableColumn().getCellData(newValue);
hiddenlable.setText((String) val);
}
}
});
tableView.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY);
tableView.setSortPolicy((param) -> {
return null; //To change body of generated lambdas, choose Tools | Templates.
});
bluebutton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent e) {
try {
String utt = hiddenlable.getText();
try {
Desktop.getDesktop().browse(new URI("https://www.google.com"));
} catch (URISyntaxException ex) {
Logger.getLogger(FXMLController.class.getName()).log(Level.SEVERE, null, ex);
}
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
);
coldbutton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent e) {
try {
String utt = hiddenlable.getText();
try {
Desktop.getDesktop().browse(new URI("www.google.com"));
} catch (URISyntaxException ex) {
Logger.getLogger(FXMLController.class.getName()).log(Level.SEVERE, null, ex);
}
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
);
}
@FXML
public void onAction(ActionEvent event) {
LocalDate fDate = fdPicker.getValue();
LocalDate tDate = tdPicker.getValue();
fromDate = fDate.toString();
toDate = tDate.toString();
User_Id = textFiel.getText();
System.out.println(User_Id);
tableView.getSelectionModel().setCellSelectionEnabled(true);
tableView.setEditable(true);
data = FXCollections.observableArrayList();
String s = "'";
String d = "'";
String frDate = s + fromDate + d;
String trDate = s + toDate + d;
String uId = s + User_Id + d;
String query = "SELECT * FROM ecdb.ec_upload WHERE Transcriber_ID = " + uId + " and Date between " + frDate + " AND " + trDate;
System.out.println(query);
try {
String u = "jdbc:mysql://localhost/ecdb";
String use = "root";
String pass = "root";
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection(u, use, pass);
System.out.println("Test1");
PreparedStatement st = conn.prepareStatement(query);
ResultSet rs = st.executeQuery(query);
while (rs.next()) {
data.add(new Record(rs.getString(2), rs.getString(3), rs.getString(6), rs.getString(7), rs.getString(8)));
}
} catch (Exception e) {
System.out.println("Error in DB" + e);
}
tableView.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY);
col_id.setCellValueFactory(new Callback<CellDataFeatures<Record, String>, ObservableValue<String>>() {
@Override
public ObservableValue<String> call(CellDataFeatures<Record, String> p) {
return new ReadOnlyObjectWrapper(tableView.getItems().indexOf(p.getValue()) + "");
}
});
col_id.setSortable(false);
date_column.setCellValueFactory(new PropertyValueFactory<>("value_0"));
task_column.setCellValueFactory(new PropertyValueFactory<>("value_1"));
bs_column.setCellValueFactory(new PropertyValueFactory<>("value_2"));
cold_column.setCellValueFactory(new PropertyValueFactory<>("value_3"));
sub_column.setCellValueFactory(new PropertyValueFactory<>("Trial"));
er_column.setCellValueFactory(new PropertyValueFactory<>("Trial"));
error_sub_column.setCellValueFactory(new PropertyValueFactory<>("Trial"));
comp_column.setCellValueFactory(new PropertyValueFactory<>("value_4"));
comp_column.setCellFactory(TextFieldTableCell.<Record>forTableColumn());
Callback<TableColumn<Record, String>, TableCell<Record, String>> errorFactory
= //
new Callback<TableColumn<Record, String>, TableCell<Record, String>>() {
@Override
public TableCell call(final TableColumn<Record, String> param) {
final TableCell<Record, String> cell = new TableCell<Record, String>() {
ObservableList<String> options
= FXCollections.observableArrayList(
"Option 1",
"Option 2",
"Option 3"
);
final ComboBox comb = new ComboBox(options);
@Override
public void updateItem(String item, boolean empty) {
super.updateItem(item, empty);
if (empty) {
setGraphic(null);
setText(null);
} else {
// System.out.println("This is working");
comb.setMaxWidth(Double.MAX_VALUE);
setGraphic(comb);
setText(null);
}
}
};
cell.setStyle("-fx-alignment: CENTER;");
return cell;
}
};
Callback<TableColumn<Record, String>, TableCell<Record, String>> sub_errorFactory
= //
new Callback<TableColumn<Record, String>, TableCell<Record, String>>() {
@Override
public TableCell call(final TableColumn<Record, String> param) {
final TableCell<Record, String> cell = new TableCell<Record, String>() {
ObservableList<String> options
= FXCollections.observableArrayList(
"Option 4",
"Option 5",
"Option 6"
);
public ComboBox comb = new ComboBox(options);
@Override
public void updateItem(String item, boolean empty) {
super.updateItem(item, empty);
if (empty) {
setGraphic(null);
setText(null);
} else {
String cmb = comb.getSelectionModel().getSelectedItem().toString();
System.out.println(cmb);
//System.out.println("This is working");
comb.setMaxWidth(Double.MAX_VALUE);
setGraphic(comb);
setText(null);
}
}
};
cell.setStyle("-fx-alignment: CENTER;");
return cell;
}
};
Callback<TableColumn<Record, String>, TableCell<Record, String>> trialFactory
= //
new Callback<TableColumn<Record, String>, TableCell<Record, String>>() {
@Override
public TableCell call(final TableColumn<Record, String> param) {
final TableCell<Record, String> cell = new TableCell<Record, String>() {
final Button btn1 = new Button("Just Save It");
@Override
public void updateItem(String ite, boolean empty) {
super.updateItem(ite, empty);
if (empty) {
setGraphic(null);
setText(null);
} else {
btn1.setOnAction((ActionEvent t)
-> {
int selectdIndex = getTableRow().getIndex();
System.out.println(selectdIndex);
Record selectedRecord = (Record) tableView.getItems().get(selectdIndex);
ObservableList<SubRecord> subDataList
= FXCollections.observableArrayList(
new SubRecord(selectedRecord.getvalue_0(), selectedRecord.getvalue_1(), selectedRecord.getvalue_2(), selectedRecord.getvalue_3(), selectedRecord.getvalue_4()));
});
btn1.setMaxWidth(Double.MAX_VALUE);
setGraphic(btn1);
setText(null);
}
}
};
cell.setStyle("-fx-alignment: CENTER;");
return cell;
}
};
error_sub_column.setCellFactory(sub_errorFactory);
er_column.setCellFactory(errorFactory);
sub_column.setCellFactory(trialFactory);
tableView.setItems(data);
}
}
0 个答案:
没有答案
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