orm_db

Documentation

Index

• func CloseDB(db *gorm.DB) error
• func FirstOrCreate(db *gorm.DB, firsts ...interface{}) error
• func SetupDB(dbtype, dsn string, inittables ...interface{}) (db *gorm.DB, err error)

Functions

func CloseDB

func CloseDB(db *gorm.DB) error

CloseDB close db

func FirstOrCreate

func FirstOrCreate(db *gorm.DB, firsts ...interface{}) error

FirstOrCreate some data create first

func SetupDB

func SetupDB(dbtype, dsn string, inittables ...interface{}) (db *gorm.DB, err error)

ORM 允许通过一个现有的数据库连接来初始化 *gorm.DB import (

"database/sql"
"gorm.io/driver/mysql"
"gorm.io/gorm"

)

sqlDB, err := sql.Open("mysql", "mydb_dsn")
gormDB, err := gorm.Open(mysql.New(mysql.Config{
  Conn: sqlDB,
}), &gorm.Config{})

import (

"database/sql"
"gorm.io/driver/postgres"
"gorm.io/gorm"

)

sqlDB, err := sql.Open("pgx", "mydb_dsn")
gormDB, err := gorm.Open(postgres.New(postgres.Config{
  Conn: sqlDB,
}), &gorm.Config{})