diff --git a/package-lock.json b/package-lock.json
index 86f1dfb..2efdf5f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,8 @@
"next": "16.1.5",
"react": "^19.0.0",
"react-datepicker": "^8.4.0",
- "react-dom": "^19.0.0"
+ "react-dom": "^19.0.0",
+ "xlsx": "^0.18.5"
},
"devDependencies": {
"@eslint/eslintrc": "^3",
@@ -2078,6 +2079,15 @@
"acorn": "^6.0.0 || ^7.0.0 || ^8.0.0"
}
},
+ "node_modules/adler-32": {
+ "version": "1.3.1",
+ "resolved": "https://registry.npmjs.org/adler-32/-/adler-32-1.3.1.tgz",
+ "integrity": "sha512-ynZ4w/nUUv5rrsR8UUGoe1VC9hZj6V5hU9Qw1HlMDJGEJw5S7TfTErWTjMys6M7vr0YWcPqs3qAr4ss0nDfP+A==",
+ "license": "Apache-2.0",
+ "engines": {
+ "node": ">=0.8"
+ }
+ },
"node_modules/ajv": {
"version": "6.12.6",
"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
@@ -2477,6 +2487,19 @@
],
"license": "CC-BY-4.0"
},
+ "node_modules/cfb": {
+ "version": "1.2.2",
+ "resolved": "https://registry.npmjs.org/cfb/-/cfb-1.2.2.tgz",
+ "integrity": "sha512-KfdUZsSOw19/ObEWasvBP/Ac4reZvAGauZhs6S/gqNhXhI7cKwvlH7ulj+dOEYnca4bm4SGo8C1bTAQvnTjgQA==",
+ "license": "Apache-2.0",
+ "dependencies": {
+ "adler-32": "~1.3.0",
+ "crc-32": "~1.2.0"
+ },
+ "engines": {
+ "node": ">=0.8"
+ }
+ },
"node_modules/chalk": {
"version": "4.1.2",
"resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
@@ -2519,6 +2542,15 @@
"node": ">=6"
}
},
+ "node_modules/codepage": {
+ "version": "1.15.0",
+ "resolved": "https://registry.npmjs.org/codepage/-/codepage-1.15.0.tgz",
+ "integrity": "sha512-3g6NUTPd/YtuuGrhMnOMRjFc+LJw/bnMp3+0r/Wcz3IXUuCosKRJvMphm5+Q+bvTVGcJJuRvVLuYba+WojaFaA==",
+ "license": "Apache-2.0",
+ "engines": {
+ "node": ">=0.8"
+ }
+ },
"node_modules/color-convert": {
"version": "2.0.1",
"resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
@@ -2558,6 +2590,18 @@
"dev": true,
"license": "MIT"
},
+ "node_modules/crc-32": {
+ "version": "1.2.2",
+ "resolved": "https://registry.npmjs.org/crc-32/-/crc-32-1.2.2.tgz",
+ "integrity": "sha512-ROmzCKrTnOwybPcJApAA6WBWij23HVfGVNKqqrZpuyZOHqK2CwHSvpGuyt/UNNvaIjEd8X5IFGp4Mh+Ie1IHJQ==",
+ "license": "Apache-2.0",
+ "bin": {
+ "crc32": "bin/crc32.njs"
+ },
+ "engines": {
+ "node": ">=0.8"
+ }
+ },
"node_modules/cross-spawn": {
"version": "7.0.6",
"resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
@@ -3561,6 +3605,15 @@
"node": ">= 6"
}
},
+ "node_modules/frac": {
+ "version": "1.1.2",
+ "resolved": "https://registry.npmjs.org/frac/-/frac-1.1.2.tgz",
+ "integrity": "sha512-w/XBfkibaTl3YDqASwfDUqkna4Z2p9cFSr1aHDt0WoMTECnRfBOv2WArlZILlqgWlmdIlALXGpM2AOhEk5W3IA==",
+ "license": "Apache-2.0",
+ "engines": {
+ "node": ">=0.8"
+ }
+ },
"node_modules/function-bind": {
"version": "1.1.2",
"resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
@@ -5739,6 +5792,18 @@
"node": ">=0.10.0"
}
},
+ "node_modules/ssf": {
+ "version": "0.11.2",
+ "resolved": "https://registry.npmjs.org/ssf/-/ssf-0.11.2.tgz",
+ "integrity": "sha512-+idbmIXoYET47hH+d7dfm2epdOMUDjqcB4648sTZ+t2JwoyBFL/insLfB/racrDmsKB3diwsDA696pZMieAC5g==",
+ "license": "Apache-2.0",
+ "dependencies": {
+ "frac": "~1.1.2"
+ },
+ "engines": {
+ "node": ">=0.8"
+ }
+ },
"node_modules/stable-hash": {
"version": "0.0.5",
"resolved": "https://registry.npmjs.org/stable-hash/-/stable-hash-0.0.5.tgz",
@@ -6350,6 +6415,24 @@
"url": "https://github.com/sponsors/ljharb"
}
},
+ "node_modules/wmf": {
+ "version": "1.0.2",
+ "resolved": "https://registry.npmjs.org/wmf/-/wmf-1.0.2.tgz",
+ "integrity": "sha512-/p9K7bEh0Dj6WbXg4JG0xvLQmIadrner1bi45VMJTfnbVHsc7yIajZyoSoK60/dtVBs12Fm6WkUI5/3WAVsNMw==",
+ "license": "Apache-2.0",
+ "engines": {
+ "node": ">=0.8"
+ }
+ },
+ "node_modules/word": {
+ "version": "0.3.0",
+ "resolved": "https://registry.npmjs.org/word/-/word-0.3.0.tgz",
+ "integrity": "sha512-OELeY0Q61OXpdUfTp+oweA/vtLVg5VDOXh+3he3PNzLGG/y0oylSOC1xRVj0+l4vQ3tj/bB1HVHv1ocXkQceFA==",
+ "license": "Apache-2.0",
+ "engines": {
+ "node": ">=0.8"
+ }
+ },
"node_modules/word-wrap": {
"version": "1.2.5",
"resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
@@ -6360,6 +6443,27 @@
"node": ">=0.10.0"
}
},
+ "node_modules/xlsx": {
+ "version": "0.18.5",
+ "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.18.5.tgz",
+ "integrity": "sha512-dmg3LCjBPHZnQp5/F/+nnTa+miPJxUXB6vtk42YjBBKayDNagxGEeIdWApkYPOf3Z3pm3k62Knjzp7lMeTEtFQ==",
+ "license": "Apache-2.0",
+ "dependencies": {
+ "adler-32": "~1.3.0",
+ "cfb": "~1.2.1",
+ "codepage": "~1.15.0",
+ "crc-32": "~1.2.1",
+ "ssf": "~0.11.2",
+ "wmf": "~1.0.1",
+ "word": "~0.3.0"
+ },
+ "bin": {
+ "xlsx": "bin/xlsx.njs"
+ },
+ "engines": {
+ "node": ">=0.8"
+ }
+ },
"node_modules/yallist": {
"version": "5.0.0",
"resolved": "https://registry.npmjs.org/yallist/-/yallist-5.0.0.tgz",
diff --git a/package.json b/package.json
index ee0d8fb..895efbd 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,8 @@
"next": "16.1.5",
"react": "^19.0.0",
"react-datepicker": "^8.4.0",
- "react-dom": "^19.0.0"
+ "react-dom": "^19.0.0",
+ "xlsx": "^0.18.5"
},
"devDependencies": {
"@eslint/eslintrc": "^3",
diff --git a/src/app/components/ExchangeRateViewer.js b/src/app/components/ExchangeRateViewer.js
index fda817c..1eacab9 100644
--- a/src/app/components/ExchangeRateViewer.js
+++ b/src/app/components/ExchangeRateViewer.js
@@ -4,6 +4,7 @@ import React, { useState, useEffect, useCallback } from "react";
import DatePicker from "react-datepicker";
import "react-datepicker/dist/react-datepicker.css";
import { format, subDays, startOfMonth } from "date-fns";
+import * as XLSX from "xlsx";
function LoadingSpinner({ progress }) {
return (
@@ -202,35 +203,36 @@ export default function ExchangeRateViewer() {
handleFetch();
}, []); // eslint-disable-line react-hooks/exhaustive-deps
- const escapeCsv = (value) => {
- const str = String(value ?? "");
- const escaped = str.replace(/"/g, '""');
- if (/^[=+\-@\t\r]/.test(escaped)) return `"'${escaped}"`;
- return `"${escaped}"`;
+ const getExportRows = () => {
+ if (selectedBank === "bidv") {
+ const headers = ["Date", "NameVI", "MuaTm", "MuaCk", "Currency", "NameEN", "Ban"];
+ const rows = results.map((row) => [row.date, row.nameVI, row.muaTm, row.muaCk, row.currency, row.nameEN, row.ban]);
+ return [headers, ...rows];
+ }
+ const headers = ["Date", "Label", "AskRate", "BidRateCK", "BidRateTM", "SourceCurrency", "TargetCurrency", "AskRateTM"];
+ const rows = results.map((row) => [row.date, row.label, row.askRate, row.bidRateCK, row.bidRateTM, row.sourceCurrency, row.targetCurrency, row.askRateTM]);
+ return [headers, ...rows];
};
- const handleExport = () => {
+ const baseFilename = `exchange_rates_${selectedBank}_${selectedCurrency}_${new Date().toISOString().split("T")[0]}`;
+
+ const handleExportExcel = () => {
if (results.length === 0) return;
- let csvContent = "";
- let headers = [];
- if (selectedBank === "bidv") {
- headers = ["Date", "NameVI", "MuaTm", "MuaCk", "Currency", "NameEN", "Ban"];
- csvContent = headers.join(",") + "\n";
- csvContent += results
- .map((row) => [row.date, row.nameVI, row.muaTm, row.muaCk, row.currency, row.nameEN, row.ban].map(escapeCsv).join(","))
- .join("\n");
- } else {
- headers = ["Date", "Label", "AskRate", "BidRateCK", "BidRateTM", "SourceCurrency", "TargetCurrency", "AskRateTM"];
- csvContent = headers.join(",") + "\n";
- csvContent += results
- .map((row) => [row.date, row.label, row.askRate, row.bidRateCK, row.bidRateTM, row.sourceCurrency, row.targetCurrency, row.askRateTM].map(escapeCsv).join(","))
- .join("\n");
- }
- const blob = new Blob([csvContent], { type: "text/csv;charset=utf-8;" });
+ const ws = XLSX.utils.aoa_to_sheet(getExportRows());
+ const wb = XLSX.utils.book_new();
+ XLSX.utils.book_append_sheet(wb, ws, "Exchange Rates");
+ XLSX.writeFile(wb, `${baseFilename}.xlsx`);
+ };
+
+ const handleExportCsv = () => {
+ if (results.length === 0) return;
+ const ws = XLSX.utils.aoa_to_sheet(getExportRows());
+ const csv = XLSX.utils.sheet_to_csv(ws);
+ const blob = new Blob([csv], { type: "text/csv;charset=utf-8;" });
const url = URL.createObjectURL(blob);
const link = document.createElement("a");
link.href = url;
- link.download = `exchange_rates_${selectedBank}_${selectedCurrency}_${new Date().toISOString().split("T")[0]}.csv`;
+ link.download = `${baseFilename}.csv`;
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
@@ -365,7 +367,15 @@ export default function ExchangeRateViewer() {
+