var db    = {};
var mysql = require('mysql');
// var pool  = mysql.createPool({
//     connectionLimit : 10,
//     host            : '115.231.62.138',
//     user            : 'vehicle',
//     password        : 'vehicle',
//     database        : 'guncontrol'
// });

var pool  = mysql.createPool({
    connectionLimit : 10,
    host            : '192.168.8.90',
    user            : 'zwsy',
    password        : 'zwsy@123',
    database        : 'zwsy',
    supportBigNumbers: true//处理BigInt
});

db.query = function(sql, callback){

    if (!sql) {
        callback();
        return;
    }
    pool.query(sql, function(err, rows, fields) {
        if (err) {
            console.log(err);
            callback(err, null);
            return;
        };

        callback(null, rows, fields);
    });
}
module.exports = db;