2025-05-22 16:20:13 +08:00

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JavaScript
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const ExcelJS = require('exceljs');
const fs = require('fs');
const path = require('path');
// example: npm run genrate:lang public/lang.xlsx(读取excel文件的路径) src/lang(输出文件路径)
function resolve(dir) {
return path.resolve(__dirname, '..', dir);
}
const rawArgv = process.argv.slice(2);
let excelFilePath;
let jsonFilePath;
if (rawArgv.length === 0) {
console.log('请输入Excel文件路径');
process.exit(1);
}
if (rawArgv.length === 1) {
console.log('请输入语言包导出的文件路径');
process.exit(1);
}
// 文件路径
excelFilePath = resolve(rawArgv[0]);
jsonFilePath = resolve(rawArgv[1]);
const langFileNameEnum = {
简体中文: 'zh-CN',
English: 'en-US',
};
const keyIndex = 1; // 键值所在列
const headerRowIndex = 1; // 标题行所在行索引
// 创建一个新的工作簿实例
const workbook = new ExcelJS.Workbook();
// 读取Excel文件
workbook.xlsx
.readFile(excelFilePath)
.then(async () => {
// 生成json映射文件new Map(){sheetName:{ lang:jsonData}}
const dataMap = getJsonDataMap(workbook)
// 生成json文件
await generateJsonFiles(dataMap)
})
.catch((error) => {
console.error('Error reading Excel file:', error);
});
/**
* 从工作簿中获取JSON数据映射表
* @param {object} workbook - Excel工作簿对象用于遍历工作表和工作表数据
* @returns {Map} dataMap - 包含工作表名称和对应数据对象的映射表,其中数据对象是语言文件名枚举和其键值对的映射
*/
function getJsonDataMap(workbook) {
const dataMap = new Map();
workbook.eachSheet(function (worksheet) {
// 初始化工作表名和文件对象
const sheetName = worksheet._name;
const fileObjects = {};
const cellIndexMap = {};
// 遍历每一行,首先处理表头,然后处理数据行
worksheet.eachRow((row, rowNumber) => {
if (rowNumber === headerRowIndex) {
// 处理表头,建立语言文件名和列索引的映射
row.eachCell((cell, colNumber) => {
if (colNumber !== keyIndex) {
fileObjects[langFileNameEnum[cell.value]] = {};
cellIndexMap[colNumber] = langFileNameEnum[cell.value];
}
});
} else {
// 处理数据行,根据列索引映射填充语言文件的数据键值对
Object.keys(cellIndexMap)
.map((item) => Number(item))
.map((colNumber) => {
const key = row.getCell(keyIndex).value;
const value = row.getCell(colNumber).value || '';
const lang = cellIndexMap[colNumber];
fileObjects[lang][key] = value;
});
}
});
// 将工作表数据对象映射到工作表名称
dataMap.set(sheetName, fileObjects);
});
return dataMap;
}
// 导出语言包文件到指定目录
async function generateJsonFiles(dataMap) {
// 清空文件输出目录
const exist = fs.existsSync(jsonFilePath)
exist && await fs.rmSync(jsonFilePath, { recursive: true }, () => { })
// 逐个生成目录和文件
for (const [modules, objs] of dataMap.entries()) {
for (const [lang, jsonData] of Object.entries(objs)) {
const path = resolve(jsonFilePath + `/${lang}/${modules}.json`);
await writeJsonToFile(jsonData, path);
}
}
console.log('Excel file has been converted to JSON and saved to', jsonFilePath);
}
// 异步创建文件夹并写入JSON数据
async function writeJsonToFile(jsonData, filePath) {
const dirPath = path.dirname(filePath); // 获取文件路径的目录部分
try {
await fs.mkdirSync(dirPath, { recursive: true }, () => { }); // 如果目录不存在,会递归创建
await fs.writeFileSync(filePath, JSON.stringify(jsonData, null, 2), 'utf8', () => { }); // 异步写入JSON数据
console.log(`JSON data written to ${filePath}`);
} catch (err) {
console.error(`Error writing JSON data to ${filePath}:`, err);
}
}