text: const { exec, escape } = require('../db/mysql');
  const { genPassword } = require('../utils/cryp');
  
  const login = (username, password) => {
      username = escape(username);
      password = genPassword(password);
      password = escape(password);
  
      const sql = `
          select username, realname from users where username=${username} and password=${password}
      `;
      return exec(sql).then(rows => {
          return rows[0] || {}
      })
  };
  
  module.exports = {
      login,
  };