Apps脚本,用于读取用户的电子邮件并从电子表格中返回信息

时间:2014-09-07 18:07:06

标签: google-apps-script google-sheets google-apps-for-education

我正在尝试为我的学生制作一个脚本放在我的Google网站上,以便他们可以在家查找他们的mymaths登录详细信息。我有一个电子表格,其所有电子邮件都与他们的登录详细信息相匹配,但当他们访问该页面时,我希望能够看到他们的行。我正在使用Session.getActiveUser()。getEmail(),我的所有代码都在下面,但它不起作用!

非常感谢任何帮助。

var userID = Session.getActiveUser().getEmail();
var userLogin;
var userPass;
var userName;
var text;

//Function to lookup login and password from email and add to variables
function lookup() {
   var spreadsheetKey = '1UftMLEgJPof3533X1Dp2IRqLIJa-70y8m-xnbyfj8ZA';
   var sheet = SpreadsheetApp.openById(spreadsheetKey);
   var end = SpreadsheetApp.getActiveSheet().getLastRow();
   var range = sheet.getRange(1, 0, end, 4);
   var values = range.getValues();
   for (i = 0; i < values.length; ++i) {
     if (values[i][0] == userID) {
        text = 'Here are your login details for MyMaths. Now get on with your homework!'
        userName = string(values[i][1]);
        userLogin = string(values[i][2]);
        userPass = string(values[i][3]);
     }
     else {
        text = 'Sorry, but there is an error. You will need to check in your book or ask your teacher for your MyMaths login details.'
     }
   }
}

//Function to create Userinterface on site page
function doGet() {
  var app = UiApp.createApplication();
  var panel = app.createAbsolutePanel();
  var label = app.createLabel(text);
  var table = app.createGrid(2,3);
  table.setText(0, 0, 'Name');
  table.setText(0, 1, 'Login');
  table.setText(0, 2, 'Password');
  table.setText(1, 0, userName);
  table.setText(1, 1, userLogin);
  table.setText(1, 2, userPass);
  panel.add(label);
  panel.add(table);
  app.add(panel);
  return app;
}

1 个答案:

答案 0 :(得分:0)

您实施此方法的方式无效。您将许多变量定义为&#34; global&#34;所以每个函数都可以使用它但是虽然这是真的,但函数不能修改它们......换句话说:它们不能为这些变量赋值。

我建议以完全不同的方式构建它:一个调用查找函数的主doGet,后者返回适当的值(作为数组或对象)。

代码是这样的,我没有测试它,因为我没有数据这样做,但它应该按预期工作。

顺便说一句,考虑使用一些样式使它看起来更好:-)看this post from Anees Hameed显示一种聪明的方法。

//Function to create Userinterface on site page
function doGet() {
  var userID = Session.getEffectiveUser().getEmail();
  var result = lookup(userID);
  var app = UiApp.createApplication();
  var panel = app.createAbsolutePanel();
  var label = app.createLabel(result.text);
  var table = app.createGrid(2,3);
  table.setText(0, 0, 'Name');
  table.setText(0, 1, 'Login');
  table.setText(0, 2, 'Password');
  table.setText(1, 0, result.userName);
  table.setText(1, 1, result.userLogin);
  table.setText(1, 2, result.userPass);
  panel.add(label);
  panel.add(table);
  app.add(panel);
  return app;
}

function lookup(userID) {
  var result = {};
  var spreadsheetKey = '1UftMLEgJPof3533X1Dp2IRqLIJa-70y8m-xnbyfj8ZA';
  var sheet = SpreadsheetApp.openById(spreadsheetKey);
  var end = SpreadsheetApp.getActiveSheet().getLastRow();
  var range = sheet.getRange(1, 0, end, 4);
  var values = range.getValues();
  for (i = 0; i < values.length; ++i) {
    if (values[i][0] == userID) {
      result['text'] = 'Here are your login details for MyMaths. Now get on with your homework!'
      result['userName'] = string(values[i][1]);
      result['userLogin'] = string(values[i][2]);
      result['userPass'] = string(values[i][3]);
    }
    else {
      result['text'] = 'Sorry, but there is an error. You will need to check in your book or ask your teacher for your MyMaths login details.'
      result['userName'] = '-';
      result['userLogin'] = '-';
      result['userPass'] = '-';
    }
  }
  return result;
}