package db import ( "gorm.io/driver/sqlite" "gorm.io/gorm" ) var db *gorm.DB func init() { var err error db, err = gorm.Open(sqlite.Open("./db/cat.db"), &gorm.Config{}) if err != nil { panic("failed to connect database") } // 自动迁移 User 结构体 err = db.AutoMigrate(&User{}) if err != nil { panic(err) } }