66 lines
1.9 KiB
JavaScript
66 lines
1.9 KiB
JavaScript
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
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var fs = require('fs'), path = require('path'), URL = require('url');
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var express = require('express'), app = express();
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var sprintf = require('printj').sprintf;
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var logit = require('./_logit');
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var cors = require('./_cors');
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var data = "a,b,c\n1,2,3".split("\n").map(function(x) { return x.split(","); });
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var XLSX = require('xlsx');
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/* helper to generate the workbook object */
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function make_book() {
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var ws = XLSX.utils.aoa_to_sheet(data);
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var wb = XLSX.utils.book_new();
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XLSX.utils.book_append_sheet(wb, ws, "SheetJS");
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return wb;
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}
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function get_data(req, res, type) {
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var wb = make_book();
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/* send buffer back */
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res.status(200).send(XLSX.write(wb, {type:'buffer', bookType:type}));
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}
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function get_file(req, res, file) {
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var wb = make_book();
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/* write using XLSX.writeFile */
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XLSX.writeFile(wb, file);
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res.status(200).send("wrote to " + file + "\n");
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}
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function load_data(file) {
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var wb = XLSX.readFile(file);
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/* generate array of arrays */
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data = XLSX.utils.sheet_to_json(wb.Sheets[wb.SheetNames[0]], {header:1});
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console.log(data);
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}
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function post_data(req, res) {
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var keys = Object.keys(req.files), k = keys[0];
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load_data(req.files[k].path);
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res.status(200).send("ok\n");
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}
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function post_file(req, res, file) {
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load_data(file);
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res.status(200).send("ok\n");
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}
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app.use(logit.mw);
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app.use(cors.mw);
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app.use(require('express-formidable')());
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app.get('/', function(req, res, next) {
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var url = URL.parse(req.url, true);
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if(url.query.t) return get_data(req, res, url.query.t);
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else if(url.query.f) return get_file(req, res, url.query.f);
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res.status(403).end("Forbidden");
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});
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app.post('/', function(req, res, next) {
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var url = URL.parse(req.url, true);
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if(url.query.f) return post_file(req, res, url.query.f);
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return post_data(req, res);
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});
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var port = +process.argv[2] || +process.env.PORT || 7262;
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app.listen(port, function() { console.log('Serving HTTP on port ' + port); });
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