如果您正在运行 nodeJS 并且您的数据采用以下形式（双引号 + 逗号和 \n 换行），我创建了一个 NodeJS 导入脚本
INSERT INTO <your_table> VALUEs( **CSV LINE **)
这个被配置为在http://localhost:5000/import上运行。
我逐行创建查询字符串
"city","city_ascii","lat","lng","country","iso2","iso3","id"
"Tokyo","Tokyo","35.6850","139.7514","Japan","JP","JPN","1392685764",
...
server.js
const express = require('express'),
cors = require('cors'),
bodyParser = require('body-parser'),
cookieParser = require('cookie-parser'),
session = require('express-session'),
app = express(),
port = process.env.PORT || 5000,
pj = require('./config/config.json'),
path = require('path');
app.use(bodyParser.json());
app.use(cookieParser());
app.use(cors());
app.use(
bodyParser.urlencoded({
extended: false,
})
);
var Import = require('./routes/ImportRoutes.js');
app.use('/import', Import);
if (process.env.NODE_ENV === 'production') {
// set static folder
app.use(express.static('client/build'));
app.get('*', (req, res) => {
res.sendFile(path.resolve(__dirname, 'client', 'build', 'index.html'));
});
}
app.listen(port, function () {
console.log('Server is running on port: ' + port);
});
ImportRoutes.js
const express = require('express'),
cors = require('cors'),
fs = require('fs-extra'),
byline = require('byline'),
db = require('../database/db'),
importcsv = express.Router();
importcsv.use(cors());
importcsv.get('/csv', (req, res) => {
function processFile() {
return new Promise((resolve) => {
let first = true;
var sql, sqls;
var stream = byline(
fs.createReadStream('../PATH/TO/YOUR!!!csv', {
encoding: 'utf8',
})
);
stream
.on('data', function (line, err) {
if (line !== undefined) {
sql = 'INSERT INTO <your_table> VALUES (' + line.toString() + ');';
if (first) console.log(sql);
first = false;
db.sequelize.query(sql);
}
})
.on('finish', () => {
resolve(sqls);
});
});
}
async function startStream() {
console.log('started stream');
const sqls = await processFile();
res.end();
console.log('ALL DONE');
}
startStream();
});
module.exports = importcsv;
db.js 是配置文件
const Sequelize = require('sequelize');
const db = {};
const sequelize = new Sequelize(
config.global.db,
config.global.user,
config.global.password,
{
host: config.global.host,
dialect: 'mysql',
logging: console.log,
freezeTableName: true,
pool: {
max: 5,
min: 0,
acquire: 30000,
idle: 10000,
},
}
);
db.sequelize = sequelize;
db.Sequelize = Sequelize;
module.exports = db;
免责声明：这不是一个完美的解决方案 - 我只为处于时间线下并且有大量数据要导入并且遇到这个荒谬问题的开发人员发布。我在这方面浪费了很多时间，我希望能节省其他开发人员同样浪费的时间。