48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
const XLSX = require('xlsx');
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const fs = require('fs');
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// 读取xlsx文件
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const workbook = XLSX.readFile('./test.xlsx');
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// 读取特定的worksheet，默认第一个worksheet
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const worksheet = workbook.Sheets['Sheet2'];
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// 将worksheet转换为JSON对象
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const jsonData = XLSX.utils.sheet_to_json(worksheet);
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function dmsToDecimal(degrees, minutes, seconds) {
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return degrees + minutes / 60 + seconds / 3600;
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}
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const results = []
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for (const jsonDatum of jsonData) {
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const location = jsonDatum['经纬度']
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const [lat, lon] = location.split(' ')
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let latStr = lat.replace(/\°|\'|["(N|E)]/g, '@')
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let lonStr = lon.replace(/\°|\'|["(N|E)]/g, '@')
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const [latDegrees, latMinutes, latSeconds] = latStr.split('@')
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const [longDegrees, longMinutes, longSeconds] = lonStr.split('@')
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const latitude = dmsToDecimal(parseInt(latDegrees), parseInt(latMinutes), parseInt(latSeconds));
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const longitude = dmsToDecimal(parseInt(longDegrees), parseInt(longMinutes),parseInt( longSeconds));
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results.push( {
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longitude,
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latitude
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})
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}
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// 文件内容
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const content = JSON.stringify(results, null, 2)
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// 文件路径
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const filePath = './output.json';
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// 写入文件
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fs.writeFile(filePath, content, 'utf8', function(err) {
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if (err) {
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return console.log(err);
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}
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console.log('文件已保存');
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});
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