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我想通過在這個[link] [1]下面的代碼通過UI服務教程：當我運行它時，我得到一個錯誤，指出參數在e.parameter.userName未定義。我將處理程序從app.createServerClickHandler更改爲app.createServerHandler，因爲先前的處理程序顯示已棄用。我如何克服這個問題？教程是否錯誤或誤導了我？我看了看，最終只是複製並粘貼了代碼，但仍然是同樣的錯誤。e.parameter Google Apps腳本教程undefined errer
unction doGet(e) {
var doc = SpreadsheetApp.openById(SPREADSHEET_ID_GOES_HERE);
var app = UiApp.createApplication().setTitle('New app');
// Create the entry form, a 3 x 2 grid with text boxes for name, age, and city that is then added to a vertical panel
var grid = app.createGrid(3, 2);
grid.setWidget(0, 0, app.createLabel('Name:'));
grid.setWidget(0, 1, app.createTextBox().setName('userName').setId('userName'));
grid.setWidget(1, 0, app.createLabel('Age:'));
grid.setWidget(1, 1, app.createTextBox().setName('age').setId('age'));
grid.setWidget(2, 0, app.createLabel('City'));
grid.setWidget(2, 1, app.createTextBox().setName('city').setId('city'));
// Create a vertical panel and add the grid to the panel
var panel = app.createVerticalPanel();
panel.add(grid);
// Here's where this script diverges from the previous script.
// We create a horizontal panel called buttonPanel to hold two buttons, one for submitting the contents of the form
// to the Spreadsheet, the other to close the form.
var buttonPanel = app.createHorizontalPanel();
// Two buttons get added to buttonPanel: button (for submits) and closeButton (for closing the form)
// For the submit button we create a server click handler submitHandler and pass submitHandler to the button as a click handler.
// the function submit gets called when the submit button is clicked.
var button = app.createButton('submit');
var submitHandler = app.createServerClickHandler('submit');
submitHandler.addCallbackElement(grid);
button.addClickHandler(submitHandler);
buttonPanel.add(button);
// For the close button, we create a server click handler closeHandler and pass closeHandler to the close button as a click handler.
// The function close is called when the close button is clicked.
var closeButton = app.createButton('close');
var closeHandler = app.createServerClickHandler('close');
closeButton.addClickHandler(closeHandler);
buttonPanel.add(closeButton);
// Create label called statusLabel and make it invisible; add buttonPanel and statusLabel to the main display panel.
var statusLabel = app.createLabel().setId('status').setVisible(false);
panel.add(statusLabel);
panel.add(buttonPanel);
app.add(panel);
return app;
}
// Close everything return when the close button is clicked
function close() {
var app = UiApp.getActiveApplication();
app.close();
// The following line is REQUIRED for the widget to actually close.
return app;
}
// function called when submit button is clicked
function submit(e) {
// Write the data in the text boxes back to the Spreadsheet
var doc = SpreadsheetApp.openById(SPREADSHEET_ID_GOES_HERE);
var lastRow = doc.getLastRow();
var cell = doc.getRange('a1').offset(lastRow, 0);
cell.setValue(e.parameter.userName);
cell.offset(0, 1).setValue(e.parameter.age);
cell.offset(0, 2).setValue(e.parameter.city);
// Clear the values from the text boxes so that new values can be entered
var app = UiApp.getActiveApplication();
app.getElementById('userName').setValue('');
app.getElementById('age').setValue('');
app.getElementById('city').setValue('');
// Make the status line visible and tell the user the possible actions
app.getElementById('status').setVisible(true).setText('User ' + e.parameter.userName + ' entered.' +
'To add another, type in the information and click submit. To exit, click close.');
return app;
}
[1]: https://developers.google.com/apps-script/guides/ui-service#doGetParams
