let getIPregion = (req, res, next) => {
    let libqqwry = require('lib-qqwry');
    let qqwry = libqqwry() //初始化IP库解析器
    qqwry.speed(); //启用急速模式;
    //查询IP信息 req.query.ip就是get请求填入的参数ip，例如119.123.130.12
    let ip1 = qqwry.searchIP(req.query.ip); 
    res.json({data: ip1})
}

{
    "data": {
        "int": 2004582924,
        "ip": "119.123.130.12",
        "Country": "广东省深圳市",
        "Area": "电信"
    }
}