thaild · March 13, 2017 17:39
diff --git a/quickstart.html b/quickstart.html
 <!DOCTYPE html>
 <html>
  <head>
    <title>Google Sheets API Quickstart</title>
    <meta charset='utf-8' />
  </head>
  <body>
    <p>Google Sheets API Quickstart</p>

    <!--Add buttons to initiate auth sequence and sign out-->
    <button id="authorize-button" style="display: none;">Authorize</button>
    <button id="signout-button" style="display: none;">Sign Out</button>

    <pre id="content"></pre>

    <script type="text/javascript">
      // Client ID and API key from the Developer Console
      var CLIENT_ID = '<YOUR_CLIENT_ID>';

      // Array of API discovery doc URLs for APIs used by the quickstart
      var DISCOVERY_DOCS = ["https://sheets.googleapis.com/$discovery/rest?version=v4"];

      // Authorization scopes required by the API; multiple scopes can be
      // included, separated by spaces.
      var SCOPES = "https://www.googleapis.com/auth/spreadsheets.readonly";

      var authorizeButton = document.getElementById('authorize-button');
      var signoutButton = document.getElementById('signout-button');

      /**
       *  On load, called to load the auth2 library and API client library.
       */
      function handleClientLoad() {
        gapi.load('client:auth2', initClient);
      }

      /**
       *  Initializes the API client library and sets up sign-in state
       *  listeners.
       */
      function initClient() {
        gapi.client.init({
          discoveryDocs: DISCOVERY_DOCS,
          clientId: CLIENT_ID,
          scope: SCOPES
        }).then(function () {
          // Listen for sign-in state changes.
          gapi.auth2.getAuthInstance().isSignedIn.listen(updateSigninStatus);

          // Handle the initial sign-in state.
          updateSigninStatus(gapi.auth2.getAuthInstance().isSignedIn.get());
          authorizeButton.onclick = handleAuthClick;
          signoutButton.onclick = handleSignoutClick;
        });
      }

      /**
       *  Called when the signed in status changes, to update the UI
       *  appropriately. After a sign-in, the API is called.
       */
      function updateSigninStatus(isSignedIn) {
        if (isSignedIn) {
          authorizeButton.style.display = 'none';
          signoutButton.style.display = 'block';
          listMajors();
        } else {
          authorizeButton.style.display = 'block';
          signoutButton.style.display = 'none';
        }
      }

      /**
       *  Sign in the user upon button click.
       */
      function handleAuthClick(event) {
        gapi.auth2.getAuthInstance().signIn();
      }

      /**
       *  Sign out the user upon button click.
       */
      function handleSignoutClick(event) {
        gapi.auth2.getAuthInstance().signOut();
      }

      /**
       * Append a pre element to the body containing the given message
       * as its text node. Used to display the results of the API call.
       *
       * @param {string} message Text to be placed in pre element.
       */
      function appendPre(message) {
        var pre = document.getElementById('content');
        var textContent = document.createTextNode(message + '\n');
        pre.appendChild(textContent);
      }

      /**
       * Print the names and majors of students in a sample spreadsheet:
       * https://docs.google.com/spreadsheets/d/1BxiMVs0XRA5nFMdKvBdBZjgmUUqptlbs74OgvE2upms/edit
       */
      function listMajors() {
        gapi.client.sheets.spreadsheets.values.get({
          spreadsheetId: '1BxiMVs0XRA5nFMdKvBdBZjgmUUqptlbs74OgvE2upms',
          range: 'Class Data!A2:E',
        }).then(function(response) {
          var range = response.result;
          if (range.values.length > 0) {
            appendPre('Name, Major:');
            for (i = 0; i < range.values.length; i++) {
              var row = range.values[i];
              // Print columns A and E, which correspond to indices 0 and 4.
              appendPre(row[0] + ', ' + row[4]);
            }
          } else {
            appendPre('No data found.');
          }
        }, function(response) {
          appendPre('Error: ' + response.result.error.message);
        });
      }

    </script>

    <script async defer src="https://apis.google.com/js/api.js"
      onload="this.onload=function(){};handleClientLoad()"
      onreadystatechange="if (this.readyState === 'complete') this.onload()">
    </script>
  </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>Google Sheets API Quickstart</title>
	<meta charset='utf-8' />
	</head>
	<body>
	<p>Google Sheets API Quickstart</p>

	<!--Add buttons to initiate auth sequence and sign out-->
	<button id="authorize-button" style="display: none;">Authorize</button>
	<button id="signout-button" style="display: none;">Sign Out</button>

	<pre id="content"></pre>

	<script type="text/javascript">
	// Client ID and API key from the Developer Console
	var CLIENT_ID = '<YOUR_CLIENT_ID>';

	// Array of API discovery doc URLs for APIs used by the quickstart
	var DISCOVERY_DOCS = ["https://sheets.googleapis.com/$discovery/rest?version=v4"];

	// Authorization scopes required by the API; multiple scopes can be
	// included, separated by spaces.
	var SCOPES = "https://www.googleapis.com/auth/spreadsheets.readonly";

	var authorizeButton = document.getElementById('authorize-button');
	var signoutButton = document.getElementById('signout-button');

	/**
	* On load, called to load the auth2 library and API client library.
	*/
	function handleClientLoad() {
	gapi.load('client:auth2', initClient);
	}

	/**
	* Initializes the API client library and sets up sign-in state
	* listeners.
	*/
	function initClient() {
	gapi.client.init({
	discoveryDocs: DISCOVERY_DOCS,
	clientId: CLIENT_ID,
	scope: SCOPES
	}).then(function () {
	// Listen for sign-in state changes.
	gapi.auth2.getAuthInstance().isSignedIn.listen(updateSigninStatus);

	// Handle the initial sign-in state.
	updateSigninStatus(gapi.auth2.getAuthInstance().isSignedIn.get());
	authorizeButton.onclick = handleAuthClick;
	signoutButton.onclick = handleSignoutClick;
	});
	}

	/**
	* Called when the signed in status changes, to update the UI
	* appropriately. After a sign-in, the API is called.
	*/
	function updateSigninStatus(isSignedIn) {
	if (isSignedIn) {
	authorizeButton.style.display = 'none';
	signoutButton.style.display = 'block';
	listMajors();
	} else {
	authorizeButton.style.display = 'block';
	signoutButton.style.display = 'none';
	}
	}

	/**
	* Sign in the user upon button click.
	*/
	function handleAuthClick(event) {
	gapi.auth2.getAuthInstance().signIn();
	}

	/**
	* Sign out the user upon button click.
	*/
	function handleSignoutClick(event) {
	gapi.auth2.getAuthInstance().signOut();
	}

	/**
	* Append a pre element to the body containing the given message
	* as its text node. Used to display the results of the API call.
	*
	* @param {string} message Text to be placed in pre element.
	*/
	function appendPre(message) {
	var pre = document.getElementById('content');
	var textContent = document.createTextNode(message + '\n');
	pre.appendChild(textContent);
	}

	/**
	* Print the names and majors of students in a sample spreadsheet:
	* https://docs.google.com/spreadsheets/d/1BxiMVs0XRA5nFMdKvBdBZjgmUUqptlbs74OgvE2upms/edit
	*/
	function listMajors() {
	gapi.client.sheets.spreadsheets.values.get({
	spreadsheetId: '1BxiMVs0XRA5nFMdKvBdBZjgmUUqptlbs74OgvE2upms',
	range: 'Class Data!A2:E',
	}).then(function(response) {
	var range = response.result;
	if (range.values.length > 0) {
	appendPre('Name, Major:');
	for (i = 0; i < range.values.length; i++) {
	var row = range.values[i];
	// Print columns A and E, which correspond to indices 0 and 4.
	appendPre(row[0] + ', ' + row[4]);
	}
	} else {
	appendPre('No data found.');
	}
	}, function(response) {
	appendPre('Error: ' + response.result.error.message);
	});
	}

	</script>

	<script async defer src="https://apis.google.com/js/api.js"
	onload="this.onload=function(){};handleClientLoad()"
	onreadystatechange="if (this.readyState === 'complete') this.onload()">
	</script>
	</body>
	</html>