var mysql = require('mysql');
var config = require("../confg/index");

var connection = mysql.createConnection(config.MysqlConfig);

connection.connect();

module.exports = {

  query(sql, sqlParams = [], callback) {
    console.log("sql", sql)
    connection.query(sql, sqlParams, (error, results, fields) => {
      if (error) throw error;
      console.log("数据库查到的数据：", results)
      results.length == 0 
      ? callback({ status: 404, message: '数据库没有数据' })
      : callback({ status: 200, message: '查询成功', data: results })
      
    });
  } 

}