package db import ( "strings" _ "github.com/go-sql-driver/mysql" "github.com/jmoiron/sqlx" "github.com/jmoiron/sqlx/reflectx" ) var ( conn *sqlx.DB ) func Connect(params string) (err error) { conn, err = sqlx.Connect("mysql", params) conn.Mapper = reflectx.NewMapperFunc("json", strings.ToLower) return }