try {
    const { Pool, Client } = require('pg')
    const request = require('superagent');
    const Hex = require('crypto-js/enc-hex');
    const MD5 = require('crypto-js/md5');
    const XLSX = require('xlsx')
    const path = require('path')
    const fs = require("fs");

    // 连接数据库
    const pool = new Pool({
        user: 'postgres',
        host: '10.8.30.32',
        database: 'highways4good',
        password: '123',
        port: 5432,
    })

    let appid = '20200917000567738';
    let key = 'xXm4jsuuD38JIkkhEcK6';
    const getAnswer = async (query) => {
        let start = (new Date()).getTime();
        let salt = start;
        let str1 = appid + query + salt + key;
        let sign = Hex.stringify(MD5(str1));
        console.log(`翻译：${query}`);
        let answer = await request.get('http://api.fanyi.baidu.com/api/trans/vip/translate').timeout(1000 * 30).query({
            q: query,
            appid: appid,
            salt: salt,
            from: 'zh',
            to: 'en',
            sign: sign
        });
        if (answer.body.error_code) {
            console.warn(answer.body);
            throw '百度不给力，快快debug'
        }
        let rslt = answer.body.trans_result;
        // let upperCaseRslt = rslt[0].dst.toLowerCase().replace(/( |^)[a-z]/g, (L) => L.toUpperCase()).replace(/ /g, '');
        // let upperCaseRslt = rslt[0].dst.toUpperCase().replace(/ /g, '_');
        // let upperCaseRslt = rslt[0].dst.toLowerCase().replace(/ /g, '_');
        let upperCaseRslt = rslt[0].dst.replace(/\//g, ' ').replace(/'/g, '').replace(/\s{2,}/g, '');
        console.log(`翻译结果：${upperCaseRslt}`);
        while (((new Date()).getTime() - start) < (1000 / 8)) {//每s只能调用10次
            continue;
        }
        return upperCaseRslt
    }

    const fun = async () => {
        // note: we don't try/catch this because if connecting throws an exception
        // we don't need to dispose of the client (it will be undefined)
        const client = await pool.connect()
        try {
            await client.query('BEGIN')

            const fileList = [
                // {
                //     path: ['./data/道路/村道第三方.xls'],
                //     n: '道路',
                //     tableName: 'road',
                //     defaultKey: ['level'],
                //     defaultValue: ['村'],
                // },
                // {
                //     path: ['./data/道路/县道第三方.xls'],
                //     n: '道路',
                //     tableName: 'road',
                //     defaultKey: ['level'],
                //     defaultValue: ['县'],
                // },
                // {
                //     path:[ './data/道路/乡道第三方.xls'],
                //     n: '道路',
                //     tableName: 'road',
                //     defaultKey: ['level'],
                //     defaultValue: ['乡'],
                // },
                // {
                //     path: (() => {
                //         let p = [];
                //         fs.readdirSync(path.join(__dirname, '/data/运政/车辆/出租车')).forEach((filename) => {
                //             p.push(`./data/运政/车辆/出租车/${filename}`)
                //         });
                //         return p;
                //     })(),
                //     n: '运政车辆',
                //     tableName: 'municipal_vehicle',
                //     defaultKey: ['type'],
                //     defaultValue: ['出租车'],
                // },
                // {
                //     path: (() => {
                //         let p = [];
                //         fs.readdirSync(path.join(__dirname, '/data/运政/车辆/危货')).forEach((filename) => {
                //             p.push(`./data/运政/车辆/危货/${filename}`)
                //         });
                //         return p;
                //     })(),
                //     n: '运政车辆',
                //     tableName: 'municipal_vehicle',
                //     defaultKey: ['type'],
                //     defaultValue: ['危货'],
                // },
                // {
                //     path: ['./data/工程一览/道路.xls'],
                //     n: '工程一览',
                //     tableName: 'project',
                //     defaultKey: ['done', 'type'],
                //     defaultValue: [false, 'road'],
                // },
                // {
                //     path: ['./data/工程一览/桥梁.xls'],
                //     n: '工程一览',
                //     tableName: 'project',
                //     defaultKey: ['done', 'type'],
                //     defaultValue: [false, 'bridge'],
                // },
            ]

            for (let f of fileList) {
                console.log(f.path);
                // 读取数据文件
                for (let p of f.path) {
                    console.log(`读取 ${p}`);
                    let workbook = XLSX.readFile(path.join(__dirname, p))
                    let firstSheetName = workbook.SheetNames[0];
                    let worksheet = workbook.Sheets[firstSheetName];
                    let res = XLSX.utils.sheet_to_json(worksheet);
                    const keyMap = require(`./${f.n}_数据库表对应.json`);
                    console.log(keyMap);
                    for (let d of res) {
                        let insertStr = `INSERT INTO "${f.tableName}" (`;
                        let insertKeys = (f.defaultKey || []).concat([]);
                        let insertValues = (f.defaultValue || []).concat([]);
                        for (let k in keyMap) {
                            // 没做判重
                            let v = d[k];
                            if (v) {
                                insertKeys.push(keyMap[k]);
                                insertValues.push(v);

                                if (f.n == '工程一览') {
                                    if (k == '项目进展情况' && v == '已完工') {
                                        insertValues[0] = true
                                    }
                                }
                            }
                        }
                        insertStr += insertKeys.join(',') + ') VALUES (';
                        insertStr += insertKeys.map((k, i) => `$${i + 1}`).join(',') + ')';
                        // console.log(insertStr, insertValues);
                        // console.log(`插入 ${f.tableName}：${insertStr}`);
                        await client.query(insertStr, insertValues);
                        // break;
                    }
                    // break;
                }
            }

            // await client.query('ROLLBACK')
            await client.query('COMMIT')
            console.log('执行完毕~')
        } catch (e) {
            await client.query('ROLLBACK')
            console.log('执行错误~')
            throw e
        } finally {
            client.release();
        }
    }

    fun()
} catch (error) {
    console.error(error)
}