Node.js连接influxDB

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下载

npm install --save influxdb-nodejs

为了方便，我先封装成Util类

InfluxClient.js

require('./util/CommonUtil');const Influx = require('influxdb-nodejs');const config = require('./config/config').influx;InfluxClient = function() {};InfluxClient.query = function(table, condition, set, callback) {        var dblink = 'http://' + config.user + ':' + config.password + '@' + config.host + ':' + config.port + '/' + database;    console.log("#     dblink:" + dblink);    var client = new Influx(dblink);    // client.query('video').where('publish = 1').set({limit: 10}).then(console.info).catch(console.error);    client.query(table).where(condition).set(set)        .then((data) => {            var sql = client.query(table).where(condition).set(set).toString();            console.info('##    sql: ' + sql);            callback(data);        }).catch(console.error);};InfluxClient.queryCount = function(database, table, condition, count, callback) {    var dblink = 'http://' + config.user + ':' + config.password + '@' + config.host + ':' + config.port + '/' + database;    console.log("#     dblink:" + dblink);    var client = new Influx(dblink);    var reader = client.query(table);    reader = reader.where(condition);    var countArr = count.split(",");    for (var i = 0; i <= countArr.length - 1; i++) {        reader = reader.addFunction('count', countArr[i], {            alias: countArr[i],        });    }    reader.then((data) => {        console.info('##    sql: ' + reader.toString());        callback(data);    }).catch(console.error);};