2023-10-16 09:12:56 +00:00
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/*! sheetjs (C) SheetJS -- https://sheetjs.com */
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// @deno-types="https://cdn.sheetjs.com/xlsx-latest/package/types/index.d.ts"
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import { read, utils, write, set_cptable } from 'https://cdn.sheetjs.com/xlsx-latest/package/xlsx.mjs';
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import * as cptable from 'https://cdn.sheetjs.com/xlsx-latest/package/dist/cpexcel.full.mjs';
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set_cptable(cptable);
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import * as Drash from "https://cdn.jsdelivr.net/gh/drashland/drash@v2.8.1/mod.ts";
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class ParseResource extends Drash.Resource {
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public paths = ["/"];
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public POST(request: Drash.Request, response: Drash.Response) {
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const file = request.bodyParam<Drash.Types.BodyFile>("file");
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if (!file) throw new Error("File is required!");
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var wb = read(file.content);
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return response.html(utils.sheet_to_html(wb.Sheets[wb.SheetNames[0]]));
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}
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public GET(request: Drash.Request, response: Drash.Response): void {
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return response.html(`\
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<!DOCTYPE html>
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<html>
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<head>
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<title>SheetJS Spreadsheet to HTML Conversion Service</title>
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<meta charset="utf-8" />
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</head>
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<body>
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<pre><h3><a href="//sheetjs.com/">SheetJS</a> Spreadsheet Conversion Service</h3>
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<b>API</b>
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Send a POST request to http://localhost:7262/ with the file in the "file" body parameter:
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$ curl -X POST -F"file=@test.xlsx" http://localhost:7262/
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The response will be an HTML TABLE generated from the first worksheet.
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<b>Try it out!</b><form action="/" method="post" enctype="multipart/form-data">
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<input type="file" name="file" />
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Use the file input element to select a file, then click "Submit"
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<button type="submit">Submit</button>
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</form>
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</pre>
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</body>
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</html>`,
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);
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}
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}
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class WriteResource extends Drash.Resource {
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public paths = ["/export"];
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public GET(request: Drash.Request, response: Drash.Response): void {
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// create some fixed workbook
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const data = ["SheetJS".split(""), [5,4,3,3,7,9,5]];
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const ws = utils.aoa_to_sheet(data);
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const wb = utils.book_new(); utils.book_append_sheet(wb, ws, "data");
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// write the workbook to XLSX as a Uint8Array
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const file = write(wb, { bookType: "xlsx", type: "buffer"});
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// set headers
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response.headers.set("Content-Disposition", 'attachment; filename="SheetJSDrash.xlsx"');
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// send data
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return response.send("application/vnd.ms-excel", file);
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}
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}
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const server = new Drash.Server({
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2025-05-27 22:50:10 +00:00
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hostname: "0.0.0.0",
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2023-10-16 09:12:56 +00:00
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port: 7262,
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protocol: "http",
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resources: [ ParseResource, WriteResource ],
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});
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server.run();
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console.log(`Server running at ${server.address}.`);
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