text: var dbutil = require("./dbutil");
  
  function insertEveryDay(content, ctime, success) {
      var insertSql = "insert into every_day (`content`, `ctime`) values (?, ?)";
      var params = [content, ctime];
  
      var connection = dbutil.createConnection();
      connection.connect();
      connection.query(insertSql, params, function (error, result) {
          if (error == null) {
              success(result);
          } else {
              console.log(error);
          }
      });
      connection.end();
  }
  
  function queryEveryDay(success) {
      var querySql = "select * from every_day order by id desc limit 1";
      var params = [];
  
      var connection = dbutil.createConnection();
      connection.connect();
      connection.query(querySql, params, function (error, result) {
          if (error == null) {
              success(result);
          } else {
              console.log(error);
          }
      });
      connection.end();
  }
  module.exports.queryEveryDay = queryEveryDay;
  
  module.exports.insertEveryDay = insertEveryDay;
  