Google sheet Apps script web app Login form với User, password

Giaoan.link chia sẻ đến các bạn cách sử dụng Google sheet Apps script web app Login form với User để đăng nhập và thực hiện tác vụ khác. Bạn có thể cấp nhiều user khác nhau thông qua spreadsheet.

Các bài thực hành excel ứng dụng khác:

Code trong file “Code.gs”

function doGet(e) {
  return HtmlService.createTemplateFromFile("index").evaluate()
  .addMetaTag('viewport', 'width=device-width, initial-scale=1')
  .setXFrameOptionsMode(HtmlService.XFrameOptionsMode.ALLOWALL);
}

function checkLogin(username, password) {
  var url = 'here is url spreadsheet';
  var ws= SpreadsheetApp.openByUrl(url);
  var ss = ws.getSheetByName("Login");
  var getLastRow =  ss.getLastRow();
  var found_record = '';
  for(var i = 2; i <= getLastRow; i++)
  {
   if(ss.getRange(i, 1).getDisplayValue().toUpperCase() == username.toUpperCase() && 
     ss.getRange(i, 2).getDisplayValue().toUpperCase() == password.toUpperCase())
   {
     found_record = 'TRUE';
   }    
  }
  if(found_record == '')
  {
    found_record = 'FALSE'; 
  }
  return found_record;
}

Code file “index.html”

<!DOCTYPE html>
<html lang="en">

<head>
	<base target="_top">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Login Form</title>  
	<style>
		* {
			margin: 0;
			padding: 0;
			box-sizing: border-box;
		}

		body {
			font-family: "Open Sans";
			color: #000;
		}

		section {
      background: url("url image background");
			height: 100vh;
			width: 100%;
			background-size: cover;
			background-position: center center;
		}

		.form-container {
			position: absolute;
			top: 50%;
			left: 50%;
			transform: translate(-50%, -50%);
			width: 380px;
			padding: 50px 30px;
			border-radius: 10px;
			box-shadow: 7px 7px 60px #000;
		}

		h1 {
			color: #000;
			font-size: 2em;
			text-transform: uppercase;
			text-align: center;
			margin-bottom: 2rem;
		}

		.control input {
			font-size: 16px;
			display: block;
			width: 100%;
			color: #000;
			background: #ddd;
			outline: none;
			border: none;
			margin: 1em 0;
			border-radius: 30px;
			padding: 15px;

		}

		.control .btn {
			color: #fff;
			text-transform: uppercase;
			background: crimson;
			opacity: .7;
			transition: opacity .3s ease;
		}

		.btn:focus {
			opacity: 1;
		}

		p {
			text-align: center;
		}

		a {
			text-decoration: none;
			color: #000;
			opacity: .7;
		}

		a:hover {
			opacity: 1;
		}
	</style>
</head>

<body>
	<section>
		<div class="form-container">
			<div class="page1_class1" id="page1_id1">
				<h1>Login</h1>

				<div class="control">
					<label for="username">Username</label>
					<input type="text" id="username" >
            </div>
					<div class="control">
						<label for="password">Password</label>
						<input type="password" id="password" >
            </div>
						<br>
						<div class="control">
							<input type="submit" class="btn" value="Login"onclick="LoginUser()">
							<span id="errorMessage" style="color: red" ></span>
						</div>
					</div>
	</section>

  <script>
		function LoginUser()
    {
    var username = document.getElementById("username").value;
    var password = document.getElementById("password").value;
    google.script.run.withSuccessHandler(function(output) 
    {
      if(output == 'TRUE')
      {
         window.open('https://giaoan.link');
      }
      else if(output == 'FALSE')
      {
        document.getElementById("errorMessage").innerHTML = "Please, Login again!";     
      }    
    }).checkLogin(username, password);
    }
	</script>

</body>

</html>

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