code-boxx/0-JS-EXCEL.MD

## 0-JS-EXCEL.MD

      
    Raw
  

              0-JS-EXCEL.MD
            
          
    JAVASCRIPT CREATE EXCEL FILE


https://code-boxx.com/create-excel-file-javascript/
https://www.youtube.com/watch?v=5Yn4GIqD8Bw

LICENSE

Copyright by Code Boxx
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

  
## 1-create-excel.html
<!DOCTYPE html>
<html>
  <head>
    <title>Javascript Excel</title>

    <!-- (A) LOAD SHEETJS FROM CDN -->
    <!-- https://sheetjs.com/ -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.18.5/xlsx.full.min.js"></script>
  </head>
  <body>
    <!-- (B) CLICK TO GENERATE DEMO EXCEL -->
    <button id="demo">Download Demo Excel</button>

    <!-- (C) JAVASCRIPT -->
    <script>
    document.getElementById("demo").onclick = () => {
      // (C1) DUMMY DATA
      var data = [
        ["Joa Doe", "joa@doe.com"],
        ["Job Doe", "job@doe.com"],
        ["Joe Doe", "joe@doe.com"],
        ["Jon Doe", "jon@doe.com"],
        ["Joy Doe", "joy@doe.com"]
      ];

      // (C2) CREATE NEW EXCEL "FILE"
      var workbook = XLSX.utils.book_new(),
          worksheet = XLSX.utils.aoa_to_sheet(data);
      workbook.SheetNames.push("First");
      workbook.Sheets["First"] = worksheet;

      // (C3) "FORCE DOWNLOAD" XLSX FILE
      XLSX.writeFile(workbook, "demo.xlsx");
    };
    </script>
  </body>
</html>

## 2a-upload-excel.html
<!DOCTYPE html>
<html>
  <head>
    <title>Javascript Excel</title>

    <!-- (A) LOAD SHEETJS FROM CDN -->
    <!-- https://sheetjs.com/ -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.18.5/xlsx.full.min.js"></script>
  </head>
  <body>
    <!-- (B) CLICK TO GENERATE DEMO EXCEL -->
    <button id="demo">Upload Demo Excel</button>

    <!-- (C) JAVASCRIPT -->
    <script>
    document.getElementById("demo").onclick = () => {
      // (C1) DUMMY DATA
      var data = [
        ["Joa Doe", "joa@doe.com"],
        ["Job Doe", "job@doe.com"],
        ["Joe Doe", "joe@doe.com"],
        ["Jon Doe", "jon@doe.com"],
        ["Joy Doe", "joy@doe.com"]
      ];

      // (C2) CREATE NEW EXCEL "FILE"
      var workbook = XLSX.utils.book_new(),
          worksheet = XLSX.utils.aoa_to_sheet(data);
      workbook.SheetNames.push("First");
      workbook.Sheets["First"] = worksheet;

      // (C3) TO BLOB
      var xlsblob = new Blob(
        [new Uint8Array(XLSX.write(workbook, { bookType: "xlsx", type: "array" }))],
        {type:"application/octet-stream"}
      );

      // (C4) FORM DATA
      var data = new FormData();
      data.append("xls", xlsblob, "demo.xlsx");

      // (C5) UPLOAD TO SERVER
      fetch("2b-upload.php", { method: "POST", body: data })
      .then(res => res.text())
      .then(txt => console.log(txt));
    };
    </script>
  </body>
</html>

## 2b-upload.php
<?php
echo move_uploaded_file(
  $_FILES["xls"]["tmp_name"],
  __DIR__ . DIRECTORY_SEPARATOR . $_FILES["xls"]["name"]
) ? "OK" : "ERROR" ;
	<!DOCTYPE html>
	<html>
	<head>
	<title>Javascript Excel</title>

	<!-- (A) LOAD SHEETJS FROM CDN -->
	<!-- https://sheetjs.com/ -->
	<script src="https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.18.5/xlsx.full.min.js"></script>
	</head>
	<body>
	<!-- (B) CLICK TO GENERATE DEMO EXCEL -->
	<button id="demo">Download Demo Excel</button>

	<!-- (C) JAVASCRIPT -->
	<script>
	document.getElementById("demo").onclick = () => {
	// (C1) DUMMY DATA
	var data = [
	["Joa Doe", "joa@doe.com"],
	["Job Doe", "job@doe.com"],
	["Joe Doe", "joe@doe.com"],
	["Jon Doe", "jon@doe.com"],
	["Joy Doe", "joy@doe.com"]
	];

	// (C2) CREATE NEW EXCEL "FILE"
	var workbook = XLSX.utils.book_new(),
	worksheet = XLSX.utils.aoa_to_sheet(data);
	workbook.SheetNames.push("First");
	workbook.Sheets["First"] = worksheet;

	// (C3) "FORCE DOWNLOAD" XLSX FILE
	XLSX.writeFile(workbook, "demo.xlsx");
	};
	</script>
	</body>
	</html>
	<?php
	echo move_uploaded_file(
	$_FILES["xls"]["tmp_name"],
	__DIR__ . DIRECTORY_SEPARATOR . $_FILES["xls"]["name"]
	) ? "OK" : "ERROR" ;