const fs = require('fs');// --------------- 读取源文件 ---------------const originData = require('./vuxArea3.json');// --------------- 常量 ---------------const constant = { ARRAY_TYPE: 'Array', JSON_TYPE: 'Json',};// --------------- 转换的配置 ---------------const config = { originKey: { children: null, parent: 'parent', value: 'value', label: 'name' }, originType: constant.ARRAY_TYPE, targetKey: { children: 'children', parent: null, value: 'value', label: 'label' }, targetType: constant.JSON_TYPE};// --------------- 转换函数 ---------------function convertArrayToJson(initData, { originKey, targetKey }) { if (!initData || initData.length === 0) return []; if (!initData.length === 1) return initData; if (!(initData instanceof Array)) return [initData]; const result = []; const tempMap = []; const key = originKey.value; const parentKey = originKey.parent; const l = initData.length; let i; // key转换 const data = initData.map(item => ({ [originKey.parent]: item[originKey.parent], [targetKey.value]: item[originKey.value], [targetKey.label]: item[originKey.label] })); // 临时引用 for (i = 0; i < l; i += 1) { tempMap[data[i][key]] = data[i]; } // 叶子通过临时引用挂载，利用所有的节点都是单例，才可以通过临时引用去挂载叶子 // 根元素直接push到根节点 for (i = 0; i < l; i += 1) { const parentValue = data[i][parentKey]; // 当前元素存在父元素，并且子不等于父 if (tempMap[parentValue] && data[i][key] !== parentValue) { // 父元素上在children上加上当前元素 tempMap[parentValue][targetKey.children] = tempMap[parentValue][targetKey.children] || []; tempMap[parentValue][targetKey.children].push(data[i]); } else { // 当前元素是根元素 result.push(data[i]); } } return result;}function convert(data, { originKey, originType, targetKey, targetType }) { if (originType === constant.ARRAY_TYPE && targetType === constant.JSON_TYPE) { return convertArrayToJson(data, { originKey, targetKey }); } return [];}// --------------- 执行 ---------------const result = convert(originData, config);let resultStr = '';try { resultStr = JSON.stringify(result);} catch (e) { console.log(e);}resultStr = resultStr.replace(/"parent":"[a-zA-Z\d]+",/g, '');// --------------- 写入 ---------------fs.writeFile('./result.json', resultStr, 'utf-8', (err) => { if (err) { console.log(err); } else { console.log(`### conver ${config.originType} to ${config.targetType} success! `); }});
const fs = require(‘fs’);// ————— 读取源文件 —————const originData = require(‘./vuxArea3.json’);// ————— 常量 —————const constant = { ARRAY_TYPE: ‘Array’, JSON_TYPE: ‘Json’,};// ————— 转换的配置 —————const config = { originKey: { children: null, parent: ‘parent’, value: ‘value’, label: ‘name’ }, originType: constant.ARRAY_TYPE, targetKey: { children: ‘children’, parent: null, value: ‘value’, label: ‘label’ }, targetType: constant.JSON_TYPE};// ————— 转换函数 —————function convertArrayToJson(initData, { originKey, targetKey }) { ) return []; ) return initData; if (!(initData instanceof Array)) return [initData]; const result = []; const tempMap = []; const key = originKey.value; const parentKey = originKey.parent; const l = initData.length; let i; // key转换 const data = initData.map(item => ({ [originKey.parent]: item[originKey.parent], [targetKey.value]: item[originKey.value], [targetKey.label]: item[originKey.label] })); // 临时引用 ; i ) { tempMap[data[i][key]] = data[i]; } // 叶子通过临时引用挂载，利用所有的节点都是单例，才可以通过临时引用去挂载叶子 // 根元素直接push到根节点 ; i ) { const parentValue = data[i][parentKey]; // 当前元素存在父元素，并且子不等于父 if (tempMap[parentValue] && data[i][key] !== parentValue) { // 父元素上在children上加上当前元素 tempMap[parentValue][targetKey.children] = tempMap[parentValue][targetKey.children] || []; tempMap[parentValue][targetKey.children].push(data[i]); } else { // 当前元素是根元素 result.push(data[i]); } } return result;}function convert(data, { originKey, originType, targetKey, targetType }) { if (originType === constant.ARRAY_TYPE && targetType === constant.JSON_TYPE) { return convertArrayToJson(data, { originKey, targetKey }); } return [];}// ————— 执行 —————const result = convert(originData, config);let resultStr = ”;try { resultStr = JSON.stringify(result);} catch (e) { console.log(e);}resultStr = resultStr.replace(/”parent”:”[a-zA-Z\d]+”,/g, ”);// ————— 写入 —————fs.writeFile(‘./result.json’, resultStr, ‘utf-8’, (err) => { if (err) { console.log(err); } else { console.log(`### conver ${config.originType} to ${config.targetType} success! `); }});
