Javafx 如何在从comboboxtablecell中选择相应项时同时更改tableview中的值
我试过了，但遇到了一个问题，我从comboboxtablecell获取所选项目的相应值，但无法将这些值添加到表视图中的相应列中 Controller.javaJavafx 如何在从comboboxtablecell中选择相应项时同时更改tableview中的值,javafx,javafx-2,javafx-8,Javafx,Javafx 2,Javafx 8,我试过了，但遇到了一个问题，我从comboboxtablecell获取所选项目的相应值，但无法将这些值添加到表视图中的相应列中 Controller.java public class controller { GetConnection gc = new GetConnection(); PreparedStatement pst; ResultSet rs;
public class controller {
GetConnection gc = new GetConnection();
PreparedStatement pst;
ResultSet rs;
Statement st;
private ObservableList<Users> datas = FXCollections.observableArrayList();
public controller(){}
@FXML
private TableView<Users> table;
@FXML
private TableColumn<Users,String> c1;
@FXML
private TableColumn<Users,String> c2;
@FXML
private TableColumn<Users,String> c3;
@FXML
private void editable() {
try {
ObservableList<Users> datas = FXCollections.observableArrayList();
ObservableList<String> item = FXCollections.observableArrayList();
ObservableList<String> iprice = FXCollections.observableArrayList();
String sql = "select * from itemsadd";
pst = gc.getConnection().prepareStatement(sql);
rs = pst.executeQuery();
while (rs.next()) {
String name = rs.getString("itemcode");
String cat=rs.getString("unitprice");
item.add(name);
iprice.add(cat);
System.out.println("probs" + item);
}
ResultSet rs2 = gc.getConnection().createStatement()
.executeQuery("SELECT * FROM itemsadd WHERE itemcode=1001");
while (rs2.next()) {
datas.add(new Users(rs2.getString("itemcode"),rs2.getString("category"),rs2.getString("unitprice")));
}
c1.setCellValueFactory(new PropertyValueFactory("Itemc"));
c1.setCellFactory(ComboBoxTableCell.forTableColumn(item));
for(String name:item){
c1.setCellValueFactory(new PropertyValueFactory("Itemc"));
c1.setCellFactory(ComboBoxTableCell.forTableColumn(item));
System.out.println("hell3"+name);
}c1.setOnEditCommit( ( TableColumn.CellEditEvent<Users, String> e ) ->
{
String newValue = e.getNewValue();
int index = e.getTablePosition().getRow();
System.out.println("position"+index);
try{
System.out.println("new values"+newValue);
String dsql="SELECT category,unitprice FROM itemsadd WHERE itemcode=?;";
pst=gc.getConnection().prepareStatement(dsql);
pst.setString(1, newValue); //this replaces the 1st "?" in the query for username
rs=pst.executeQuery();
while(rs.next())
{
String category1 = rs.getString(1);
String price1 = rs.getString(2);
System.out.println("category is"+category1);
System.out.println("unitprice is"+price1);
}
}catch(Exception ed){} } );
c2.setCellValueFactory(new PropertyValueFactory("category"));
c2.setCellFactory(TextFieldTableCell.forTableColumn());
c3.setCellValueFactory(new PropertyValueFactory("unitprice"));
c3.setCellFactory(ComboBoxTableCell.forTableColumn(iprice));
table.setEditable(true);
table.getItems().clear();
table.setItems(datas);
} catch (Exception e) {
e.printStackTrace();
System.out.println("Error on Building Data");
}
}
public static class Users {
private StringProperty Itemc;
private StringProperty category;
private StringProperty unitprice;
private Users(String Itemc,String category,String unitprice) {
this.Itemc= new SimpleStringProperty(Itemc);
this.category=new SimpleStringProperty(category);
this.unitprice=new SimpleStringProperty(unitprice);
}
public String getItemc() {
return Itemc.get();
}
public void setItemc(String Itemc) {
this.Itemc.set(Itemc);
}
public StringProperty ItemcProperty() {
return Itemc;
}
public String getcategory() {
return category.get();
}
public void setcategory(String category) {
this.category.set(category);
}
public StringProperty categoryProperty() {
return category;
}
public String getunitprice() {
return unitprice.get();
}
public void setunitprice(String unitprice) {
this.unitprice.set(unitprice);
}
public StringProperty unitpriceProperty() {
return unitprice;
}}
}
public class Tableveiw extends Application {
private Stage primaryStage;
private AnchorPane pane;
@Override
public void start(Stage primaryStage) {
this.primaryStage = primaryStage;
this.primaryStage.setTitle("AddressApp");
showPerson();
}
public void showPerson() {
try {
// Load root layout from fxml file.
FXMLLoader loader = new FXMLLoader();
loader.setLocation(Tableveiw.class
.getResource("table.fxml"));
pane= (AnchorPane) loader.load();
// Show the scene containing the root layout.
Scene scene = new Scene(pane);
primaryStage.setScene(scene);
primaryStage.show();
} catch (IOException e) {
e.printStackTrace();
}}
public static void main(String[] args) {
launch(args);
}
}
public class GetConnection{
public Connection getConnection() throws Exception
{
Connection con=null;
try {
System.out.println("MySQL Connect Example.");
String url = "jdbc:mysql://localhost:3306/";
String dbName = "login";
String driver = "com.mysql.jdbc.Driver";
Class.forName(driver).newInstance();
con = DriverManager.getConnection(url+dbName,"root","");
} catch (Exception e) {
e.printStackTrace();
}
return con;
}
public static void main(String arg[])
{
GetConnection con =new GetConnection();
System.out.println("Connection"+con);
}
}
public class controller {
GetConnection gc = new GetConnection();
PreparedStatement pst;
ResultSet rs;
Statement st;
private ObservableList<Users> datas = FXCollections.observableArrayList();
public controller(){}
@FXML
private TableView<Users> table;
@FXML
private TableColumn<Users,String> c1;
@FXML
private TableColumn<Users,String> c2;
@FXML
private TableColumn<Users,String> c3;
@FXML
private void editable() {
try {
ObservableList<Users> datas = FXCollections.observableArrayList();
ObservableList<String> item = FXCollections.observableArrayList();
ObservableList<String> iprice = FXCollections.observableArrayList();
String sql = "select * from itemsadd";
pst = gc.getConnection().prepareStatement(sql);
rs = pst.executeQuery();
while (rs.next()) {
String name = rs.getString("itemcode");
String cat=rs.getString("unitprice");
item.add(name);
iprice.add(cat);
System.out.println("probs" + item);
}
ResultSet rs2 = gc.getConnection().createStatement()
.executeQuery("SELECT * FROM itemsadd WHERE itemcode=1001");
while (rs2.next()) {
datas.add(new Users(rs2.getString("itemcode"),rs2.getString("category"),rs2.getString("unitprice")));
}
c1.setCellValueFactory(new PropertyValueFactory("Itemc"));
c1.setCellFactory(ComboBoxTableCell.forTableColumn(item));
for(String name:item){
c1.setCellValueFactory(new PropertyValueFactory("Itemc"));
c1.setCellFactory(ComboBoxTableCell.forTableColumn(item));
System.out.println("hell3"+name);
}c1.setOnEditCommit( ( TableColumn.CellEditEvent<Users, String> e ) ->
{
String newValue = e.getNewValue();
int index = e.getTablePosition().getRow();
System.out.println("position"+index);
try{
System.out.println("new values"+newValue);
String dsql="SELECT category,unitprice FROM itemsadd WHERE itemcode=?;";
pst=gc.getConnection().prepareStatement(dsql);
pst.setString(1, newValue); //this replaces the 1st "?" in the query for username
rs=pst.executeQuery();
while(rs.next())
{
String category1 = rs.getString(1);
String price1 = rs.getString(2);
System.out.println("category is"+category1);
System.out.println("unitprice is"+price1);
}
}catch(Exception ed){} } );
c2.setCellValueFactory(new PropertyValueFactory("category"));
c2.setCellFactory(TextFieldTableCell.forTableColumn());
c3.setCellValueFactory(new PropertyValueFactory("unitprice"));
c3.setCellFactory(ComboBoxTableCell.forTableColumn(iprice));
table.setEditable(true);
table.getItems().clear();
table.setItems(datas);
} catch (Exception e) {
e.printStackTrace();
System.out.println("Error on Building Data");
}
}
public static class Users {
private StringProperty Itemc;
private StringProperty category;
private StringProperty unitprice;
private Users(String Itemc,String category,String unitprice) {
this.Itemc= new SimpleStringProperty(Itemc);
this.category=new SimpleStringProperty(category);
this.unitprice=new SimpleStringProperty(unitprice);
}
public String getItemc() {
return Itemc.get();
}
public void setItemc(String Itemc) {
this.Itemc.set(Itemc);
}
public StringProperty ItemcProperty() {
return Itemc;
}
public String getcategory() {
return category.get();
}
public void setcategory(String category) {
this.category.set(category);
}
public StringProperty categoryProperty() {
return category;
}
public String getunitprice() {
return unitprice.get();
}
public void setunitprice(String unitprice) {
this.unitprice.set(unitprice);
}
public StringProperty unitpriceProperty() {
return unitprice;
}}
}
public class Tableveiw extends Application {
private Stage primaryStage;
private AnchorPane pane;
@Override
public void start(Stage primaryStage) {
this.primaryStage = primaryStage;
this.primaryStage.setTitle("AddressApp");
showPerson();
}
public void showPerson() {
try {
// Load root layout from fxml file.
FXMLLoader loader = new FXMLLoader();
loader.setLocation(Tableveiw.class
.getResource("table.fxml"));
pane= (AnchorPane) loader.load();
// Show the scene containing the root layout.
Scene scene = new Scene(pane);
primaryStage.setScene(scene);
primaryStage.show();
} catch (IOException e) {
e.printStackTrace();
}}
public static void main(String[] args) {
launch(args);
}
}
public class GetConnection{
public Connection getConnection() throws Exception
{
Connection con=null;
try {
System.out.println("MySQL Connect Example.");
String url = "jdbc:mysql://localhost:3306/";
String dbName = "login";
String driver = "com.mysql.jdbc.Driver";
Class.forName(driver).newInstance();
con = DriverManager.getConnection(url+dbName,"root","");
} catch (Exception e) {
e.printStackTrace();
}
return con;
}
public static void main(String arg[])
{
GetConnection con =new GetConnection();
System.out.println("Connection"+con);
}
}
更改所需的值示例组合框所选项目更改tableview示例的值 Tablecombo.java
public class Tablecombo extends Application {
Stage primaryStage;
Scene scene;
String username;
AnchorPane anchorpane;
BorderPane borderpane;
// Pane pane;
BorderPane border;
Stage sstage;
@Override
public void start(Stage primaryStage) {
this.primaryStage = primaryStage;
this.primaryStage.setTitle("Login");
root();
}
public void root() {
try {
FXMLLoader loader = new FXMLLoader();
loader.setLocation(Tablecombo.class.getResource("tcombo.fxml"));
anchorpane = (AnchorPane) loader.load();
Stage dialogStage = new Stage();
dialogStage.setTitle("Main");
dialogStage.initModality(Modality.WINDOW_MODAL);
Scene scene = new Scene(anchorpane);
dialogStage.setScene(scene);
dialogStage.showAndWait();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
launch(args);
}
}
public class tablecontroller {
Tablecombo main;
GetConnection gc = new GetConnection();
PreparedStatement pst;
ResultSet rs;
public tablecontroller(){
}
@FXML
private TableView<UserData> table4;
@FXML
private TableColumn<UserData,String> c1;
@FXML
private TableColumn<UserData,String> c2;
@FXML
private void editable() {
try {
ObservableList<UserData> datas = FXCollections.observableArrayList();
ObservableList<String> names = FXCollections.observableArrayList();
ObservableList<String> rat = FXCollections.observableArrayList();
// ObservableList<Users> datas = FXCollections.observableArrayList();
String sql = "select * from pdfs";
// String msql="select * from category";
pst = gc.getConnection().prepareStatement(sql);
rs = pst.executeQuery();
while (rs.next()) {
String name = rs.getString("name");
String cat=rs.getString("country");
rat.add(cat);
names.add(name);
System.out.println("probs" + names);
}
ResultSet rs2 = gc.getConnection().createStatement().executeQuery("SELECT * FROM pdfs LIMIT 1");
//ObservableList<Users> datas = FXCollections.observableArrayList();
while (rs2.next()) {
datas.add(new UserData(rs2.getString("name"),rs2.getString("country")));
}
c1.setCellValueFactory(new PropertyValueFactory("Itemc"));
c1.setCellFactory(ComboBoxTableCell.forTableColumn(names));
for(String name:names){
c1.setCellValueFactory(new PropertyValueFactory("Itemc"));
// System.out.println("hell2"+name);
c1.setCellFactory(ComboBoxTableCell.forTableColumn(names));
System.out.println("hell3"+name);
}
c1.setOnEditCommit( ( TableColumn.CellEditEvent<UserData, String> e ) ->
{
String newValue = e.getNewValue();
int index = e.getTablePosition().getRow();
System.out.println("position"+index);
try{
ObservableList<UserData> data = FXCollections.observableArrayList();
System.out.println("new values"+newValue);
String dsql="SELECT * FROM pdfs WHERE name=?;";
pst=gc.getConnection().prepareStatement(dsql);
System.out.println("quer"+dsql);
pst.setString(1, newValue); //this replaces the 1st "?" in the query for username
rs=pst.executeQuery();
while(rs.next())
{
data.add(new UserData(rs.getString("name"),rs.getString("country")));
}
table4.setItems(data);
String a = rs.getString(1);
String b = rs.getString(2);
String c = rs.getString(3);
System.out.println("su"+a);
System.out.println("ma"+b);
System.out.println("man"+c);
}catch(Exception ed){} } );
c2.setCellValueFactory(new PropertyValueFactory("quantity"));
c2.setCellFactory(TextFieldTableCell.forTableColumn());
table4.setEditable(true);
table4.setItems(datas);
} catch (Exception e) {
e.printStackTrace();
System.out.println("Error on Building Data");
}
}
}
<AnchorPane id="AnchorPane" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="tablecombo.tablecontroller">
<children>
<TableView fx:id="table4" layoutX="168.0" layoutY="81.0" onKeyPressed="#editable" prefHeight="200.0" prefWidth="230.0">
<columns>
<TableColumn fx:id="c1" prefWidth="75.0" text="name" />
<TableColumn fx:id="c2" prefWidth="75.0" text="country" />
</columns>
</TableView>
</children>
</AnchorPane>