76 lines
2.9 KiB
JavaScript
76 lines
2.9 KiB
JavaScript
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const XLSX = require('xlsx');
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// 📘 อ่านไฟล์ Excel
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const excel = XLSX.readFile('input.xlsx');
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const sheet = excel.Sheets[excel.SheetNames[0]];
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const data = XLSX.utils.sheet_to_json(sheet);
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// ⚙️ ฟังก์ชันลบตัวเลขและจุดนำหน้า เช่น "33.เงินรายได้" → "เงินรายได้"
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const cleanSource = (text) => {
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if (!text) return '';
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return text.toString().replace(/^\d+\.\s*/, '').trim();
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};
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// 🧮 เตรียมข้อมูลรวมตาม "แผนกวิชา"
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const pivot = {};
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data.forEach(row => {
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const plan = row['แผนกวิชา'] || 'ไม่ระบุแผนกวิชา';
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const source = cleanSource(row['แหล่งงบประมาณ']);
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const budget = Number(row['งบประมาณ']) || 0;
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if (!source || !plan) return;
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if (!pivot[plan]) pivot[plan] = {};
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if (!pivot[plan][source]) pivot[plan][source] = 0;
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pivot[plan][source] += budget;
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});
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// 🧾 ดึงชื่อคอลัมน์ (แหล่งงบทั้งหมด)
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const allSources = Array.from(
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new Set(Object.values(pivot).flatMap(obj => Object.keys(obj)))
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);
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// 📊 ฟังก์ชัน format ตัวเลข (comma + 2 ทศนิยม)
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const formatNumber = (num) =>
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num ? num.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 }) : '';
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// 🪄 สร้างตารางผลลัพธ์
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const result = [];
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let grandTotalAll = 0;
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const columnTotals = {};
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// รวมแต่ละแผนแผนกวิชา
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Object.entries(pivot).forEach(([plan, sources]) => {
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const row = { 'แผนกวิชา': plan };
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let rowTotal = 0;
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allSources.forEach(source => {
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const val = sources[source] || 0;
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row[source] = val ? formatNumber(val) : '';
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rowTotal += val;
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columnTotals[source] = (columnTotals[source] || 0) + val;
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});
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grandTotalAll += rowTotal;
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row['รวมทั้งหมด'] = formatNumber(rowTotal);
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result.push(row);
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});
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// ➕ เพิ่มแถวสุดท้าย “รวมทั้งหมด”
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const totalRow = { 'แผนกวิชา': 'รวมทั้งหมด' };
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allSources.forEach(source => {
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totalRow[source] = columnTotals[source] ? formatNumber(columnTotals[source]) : '';
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});
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totalRow['รวมทั้งหมด'] = formatNumber(grandTotalAll);
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result.push(totalRow);
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// ✨ เขียนเป็นไฟล์ Excel ใหม่
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const newSheet = XLSX.utils.json_to_sheet(result);
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const newBook = XLSX.utils.book_new();
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XLSX.utils.book_append_sheet(newBook, newSheet, 'Summary');
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XLSX.writeFile(newBook, 'output.xlsx');
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console.log('✅ สร้างตารางสรุปตามแผนกวิชา พร้อมผลรวมเสร็จแล้ว → output.xlsx');
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