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0210-網頁前端設計與開發運用培訓班 === ###### tags: `德鍵` --- Javascript --- 一、 todo list 1 --- ## 起手式 程式想法: 1. 建立待辦項目資料 2. 顯示資料 3. 新增資料 4. 編輯資料 5. 刪除資料 1. todos list 1 2. 對資料做 新增、編輯、查詢、刪除 3. 官網:https://developer.mozilla.org/zh-TW/docs/Web/JavaScript 4. 相關指令 https://developer.mozilla.org/zh-TW/docs/Web/JavaScript/Reference/Global_Objects/Array 二、 todo list 2 --- ## Function 函式 三、 todo list 3 --- ## Object 物件 1. 在JavaScript裡,"物件"是一個擁有自己的屬性、型別、獨立的實體 2. variables (變數) are properties(屬性). function 變成 methods(方法) ```javascript= var car = { color : "紅色", displayCar : function(){ console.log("我的汽車顏色:",this.color); } } //car.color; //car.displayCar(); ``` 3. 線上資料 [Big Boy-Object](https://ithelp.ithome.com.tw/articles/10191306) [卡斯伯-Object](https://wcc723.github.io/javascript/2017/12/09/javascript-object/) [官方文件-object](https://developer.mozilla.org/zh-TW/docs/Web/JavaScript/Guide/Working_with_Objects) 四、 todo list 4 --- 加上一個狀態,判斷 status 五、 todo list 5 --- 1. todo list 5 2. 改善顯示介面 3. status true 顯示 (x)選項 status false 顯示 ()選項 4. 如果沒有資料,顯示「目前無資料」 5. 顯示資料,可以使用 迴圈for 來撈 6. 判斷有無資料,可用 if ​ 強制轉型(coercion) ​ Types 類別 ​ == VS === (比對類別) ​ [談談JavaScript的coercion](https://pjchender.blogspot.com/2016/01/javascriptcoercion.html) ​ [官方文件-Type Coercion](https://developer.mozilla.org/en-US/docs/Glossary/Type_coercion) ​ [Types In Javascript and what should you care](https://jcemer.com/types-in-javascript-what-you-should-care.html) ​ [Equality Comparison and Samneess](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness) ​ 六、 todo list 6 --- 七、 --- 1. 官網:https://jqueryvalidation.org/ 2. 引入:必須先引入 jquery ```javascript= <script src="https://cdn.jsdelivr.net/npm/jquery-validation@1.19.1/dist/jquery.validate.min.js"></script> ``` 3. 調用函式 ```javascript= <script> $(function(){ $("#myForm").validate();//請根據 form 的 id }) </script> ``` 4. 在 form 的 標籤 的class 加上「required」 [說明1:](https://codertw.com/%E5%89%8D%E7%AB%AF%E9%96%8B%E7%99%BC/270803/) [說明2:](https://www.minwt.com/webdesign-dev/js/21536.html) ```htmlmixed= (1)required:true 必輸欄位 (2)remote:"check.shtml" 使用ajax方法呼叫check.shtml驗證輸入值 (3)email:true 必須輸入正確格式的電子郵件(只能驗證格式,不保證有效性) (4)url:true 必須輸入正確格式的網址 (5)date:true 必須輸入正確格式的日期 (6)dateISO:true 必須輸入正確格式的日期(ISO),例如:2009-06-23,1998/01/22 只驗證格式,不驗證有效性 (7)number:true 必須輸入合法的數字(負數,小數) (8)digits:true 必須輸入整數 (9)creditcard: 必須輸入合法的信用卡號 (10)equalTo:"#field" 輸入值必須和#field相同 (11)accept: 輸入擁有合法字尾名的字串(上傳檔案的字尾) (12)maxlength:5 輸入長度最多是5的字串(漢字算一個字元) (13)minlength:10 輸入長度最小是10的字串(漢字算一個字元) (14)rangelength:[5,10] 輸入長度必須介於 5 和 10 之間的字串")(漢字算一個字元) (15)range:[5,10] 輸入值必須介於 5 和 10 之間 (16)max:5 輸入值不能大於5 (17)min:10 輸入值不能小於10 ``` cart1 --- https://github.com/webugm/cart1 程式碼 gs --- ```javascript= //試算表變數 var SpreadsheetAppId = "SpreadsheetAppId"; var sheetName = '接收表單'; //用id取得試算表 var ss = SpreadsheetApp.openById(SpreadsheetAppId); //用工作表名稱設定工作表 var sheet = ss.getSheetByName(sheetName); function doGet(e) { var param = e.parameter; var order = param.order; //---時間戳記 訂單編號 雞腿飯-90元 雞排飯-80元 排骨飯-70元 備註 合計 var replyMsg = '你的訂單編號是:' + order; var row = onSearch(order);//取得訂單row var lastColumn = sheet.getLastColumn(); //----取得標題 var rowTitle = []; //----取得值 var rowValue = []; //----合計 var total = 0; for(var i=0 ; i < lastColumn ; i++){ rowTitle[i] = sheet.getSheetValues(1, i+1, 1,1); rowValue[i] = sheet.getSheetValues(row, i+1, 1,1); if(rowTitle[i] == "雞腿飯-90元" || rowTitle[i] == "雞排飯-80元" || rowTitle[i] == "排骨飯-70元"){ var title = rowTitle[i].toString(); var subTotal = title.split("-"); total += parseInt(subTotal[1]) * rowValue[i]; } //----寫入合計 if(rowTitle[i] == "合計" && total > 0){ rowValue[i] = total; sheet.getRange(row, i+1).setValue(total); } } sendToLine(rowTitle,rowValue);//LineNotify通知 //return ContentService.createTextOutput(replyMsg); //return HtmlService.createTemplateFromFile('index').evaluate(); //return HtmlService.createHtmlOutput("<h1>我是一個網頁!</h1>"); var t = HtmlService.createTemplateFromFile('index'); t.order = order; t.title = sheet .getRange(1, 1, 1, lastColumn) .getValues(); t.value = sheet .getRange(row, 1, 1, lastColumn) .getValues(); return t.evaluate(); } function onSearch(searchString) { var column =2; //column Index var columnValues = sheet.getRange(2, column, sheet.getLastRow()).getValues(); //1st is header row var searchResult = columnValues.findIndex(searchString); //Row Index - 2 if(searchResult != -1) { //searchResult + 2 is row index. //sheet.setActiveRange(sheet.getRange(searchResult + 2, 1)) return searchResult + 2; } } Array.prototype.findIndex = function(search){ if(search == "") return false; for (var i=0; i<this.length; i++) if (this[i] == search) return i; return -1; } //填入Line Notify 權杖 var lineToken = "lineToken"; function sendToLine(rowTitle,rowValue){ //整理 var message = "\n"; rowTitle.forEach(function(item,index){ if(index == 0){ rowValue[index] = Utilities.formatDate(new Date(rowValue[index]),"GMT+08:00","yyyy/MM/dd/ H:mm"); } message += item + " : " + rowValue[index] + "\n"; }); var options = { method : "post", payload : "message=" + message, headers : {"Authorization" : "Bearer "+ lineToken}, muteHttpExceptions : true }; UrlFetchApp.fetch("https://notify-api.line.me/api/notify",options); } ``` index.html --- ``` <!DOCTYPE html> <html> <head> <base target="_top"> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <!-- Bootstrap CSS --> <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous"> </head> <body> <div class='container'> <h1 class='text-center'>訂 購 單</h1> <div> 你的訂單編號是:<?= order ?></div> <table class="table table-striped table-bordered table-hover table-sm"> <? for (var i = 0; i < title.length; i++) { ?> <tr> <? for (var j = 0; j < title[i].length; j++) { ?> <td><?= title[i][j] ?></td> <? } ?> </tr> <? } ?> <? for (var i = 0; i < value.length; i++) { ?> <tr> <? for (var j = 0; j < value[i].length; j++) { ?> <td <? if(j==2 || j==3 || j==4 || j==6){ ?> class='text-right' <? } ?> ><?= value[i][j] ?></td> <? } ?> </tr> <? } ?> </table> </div> <!-- Optional JavaScript --> <!-- jQuery first, then Popper.js, then Bootstrap JS --> <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.6/umd/popper.min.js" integrity="sha384-wHAiFfRlMFy6i5SRaxvfOCifBUQy1xHdJ/yoi7FRNXMRBu5WHdZYu1hA6ZOblgut" crossorigin="anonymous"></script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/js/bootstrap.min.js" integrity="sha384-B0UglyR+jN6CkvvICOB2joaf5I4l3gm9GU6Hc1og6Ls7i6U/mkkaduKaBhlAXv9k" crossorigin="anonymous"></script> </body> </html> ```

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