const fs = require('fs'); let xindaming = require('./xindaming'); let index = -1; let j = 0; xindaming.forEach((key, i) => { if (key.title.indexOf('第一章') > -1) { index = i; } }); xindaming = xindaming.splice(index, xindaming.length); xindaming.map((key, i) => { key.index = i + 1; }); fs.writeFileSync('./xindaming.js', `module.exports = ${JSON.stringify(xindaming)}`);