# 5.การสร้างฟอร์ม Login Wepapp ด้วย Google Sheet {% embed url="" %} 1.code.gs ``` var ss= SpreadsheetApp.openByUrl('url google sheet'); function doGet(e) { var htmlOutput = HtmlService.createTemplateFromFile('Login'); htmlOutput.message = ''; return htmlOutput.evaluate(); } function doPost(e) { Logger.log(JSON.stringify(e)); if(e.parameter.LoginButton == 'Login') { var username = e.parameter.username; var password = e.parameter.password; var checkanswer = checkLogin(username, password); if(checkanswer == 'TRUE') { var htmlOutput = HtmlService.createTemplateFromFile('Cpanel'); htmlOutput.username = username.toUpperCase(); htmlOutput.message = ''; return htmlOutput.evaluate(); } else { var htmlOutput = HtmlService.createTemplateFromFile('Login'); htmlOutput.message = 'กรอกชื่อผู้ใช้หรือรหัสผ่านผิด'; return htmlOutput.evaluate(); } } else if(e.parameter.LogoutButton == 'Logout') { LogOutUserNow(e.parameter.username); var htmlOutput = HtmlService.createTemplateFromFile('Login'); htmlOutput.message = 'คุณออกจากระบบแล้ว'; return htmlOutput.evaluate(); } } function getUrl() { var url = ScriptApp.getService().getUrl(); return url; } function checkLogin(username, password) { var usernamesheet = ss.getSheets()[0] var currentsheet = ss.getSheets()[1] var usernameLastRow = usernamesheet.getLastRow(); var currentLastRow = currentsheet.getLastRow(); var found_record = ''; for(var y = 2; y <= currentLastRow; y++) { if(currentsheet.getRange(y, 1).getValue().toUpperCase() == username.toUpperCase()) { found_record = 'TRUE'; var d = new Date(); currentsheet.getRange(y, 2).setValue(d); } } if(found_record == '') { for(var i = 2; i <= usernameLastRow; i++) { if(usernamesheet.getRange(i, 1).getValue().toUpperCase() == username.toUpperCase() && usernamesheet.getRange(i, 2).getValue().toUpperCase() == password.toUpperCase()) { found_record = 'TRUE'; currentsheet.appendRow([username.toUpperCase(), new Date()]); } } } if(found_record == '') { found_record = 'FALSE'; } return found_record; } function LogOutUserNow(username) { var currentsheet = ss.getSheets()[1] var currentLastRow = currentsheet.getLastRow(); for(var y = 2; y <= currentLastRow; y++) { if(currentsheet.getRange(y, 1).getValue() == username.toUpperCase()) { currentsheet.getRange(y, 3).setValue('X'); } } for(var y = 2; y <= currentLastRow; y++) { if(currentsheet.getRange(y, 3).getValue() == 'X') { currentsheet.deleteRow(y); } } } function LogOutUser() { var currentsheet = ss.getSheets()[1] var currentLastRow = currentsheet.getLastRow(); var ThirtyMinutesAgo = new Date( Date.now() - 30000 * 60 ); for(var y = 2; y <= currentLastRow; y++) { if(currentsheet.getRange(y, 2).getValue() < ThirtyMinutesAgo) { currentsheet.getRange(y, 3).setValue('X'); } } for(var y = 2; y <= currentLastRow; y++) { if(currentsheet.getRange(y, 3).getValue() == 'X') { currentsheet.deleteRow(y); } } } ``` 2.Login.html ```

welcome to Admin




``` 3.Cpanel.html ```

ลงชื่อเข้าใช้เรียบร้อย


ยินดีต้อนรับคุณ




``` 4.url สำหรับปรับแต่ง CSS form [https://materializecss.com/about.html
]() --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://itreviewapp.gitbook.io/book/1.ebook-google-script/1.1-google-script/5.-login-wepapp-google-sheet.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.