JavaFX-如何在可编辑TableView中检查用户输入

Question

regularityColumn.setMinWidth(130);
      regularityColumn.setCellValueFactory(new PropertyValueFactory<>
              ("taskTypeRegularity"));
table.getColumns().addAll(....., regularityColumn);

如果找到manager用户，则将表设置为可编辑，并执行以下操作：

regularityColumn.setCellFactory(TextFieldTableCell.forTableColumn(
                new IntegerStringConverter()));
    regularityColumn.setOnEditCommit(e -> {
        TaskType selectedTask = table.getSelectionModel()
                    .getSelectedItem();
        selectedTask.setTaskTypeRegularityInt(e.getNewValue());
});

Answer 1

创建自己的StringConverter。异常来自IntegerStringConverter。

所以把这个换掉...

regularityColumn.setCellFactory(TextFieldTableCell.forTableColumn(
            new IntegerStringConverter()));

像这样的东西...

regularityColumn.setCellFactory(TextFieldTableCell.forTableColumn(
            new StringConverter<Integer>(){
            Integer fromString(String s) {
                 //convert the string to integer yourself and catch the exception
            }

            String toString(Integer i) {
                 //convert the integer to String yourself and catch the exception
            }
        }
    )
);