57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
|
package model
|
|||
|
|
|
|||
|
|
import (
|
|||
|
|
"fmt"
|
|||
|
|
"strings"
|
|||
|
|
"time"
|
|||
|
|
|
|||
|
|
"gorm.io/driver/mysql"
|
|||
|
|
"gorm.io/gorm"
|
|||
|
|
"gorm.io/gorm/schema"
|
|||
|
|
)
|
|||
|
|
|
|||
|
|
var DB *gorm.DB
|
|||
|
|
|
|||
|
|
type MysqlConfig struct {
|
|||
|
|
Db string
|
|||
|
|
DbHost string
|
|||
|
|
DbPort string
|
|||
|
|
DbUser string
|
|||
|
|
DbPassWord string
|
|||
|
|
DbName string
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
func LoadEnv(config MysqlConfig) {
|
|||
|
|
|
|||
|
|
//MySQL数据库
|
|||
|
|
path := strings.Join([]string{config.DbUser, ":", config.DbPassWord, "@tcp(", config.DbHost, ":",
|
|||
|
|
config.DbPort, ")/", config.DbName, "?charset=utf8&parseTime=true&loc=Local"}, "")
|
|||
|
|
|
|||
|
|
fmt.Println(path)
|
|||
|
|
//连接数据库
|
|||
|
|
Database(path)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
func Database(conn string) {
|
|||
|
|
db, err := gorm.Open(mysql.New(mysql.Config{
|
|||
|
|
DSN: conn, // DSN data source name
|
|||
|
|
DefaultStringSize: 256, // string 类型字段的默认长度
|
|||
|
|
DisableDatetimePrecision: true, // 禁用 datetime 精度，MySQL 5.6 之前的数据库不支持
|
|||
|
|
DontSupportRenameIndex: true, // 重命名索引时采用删除并新建的方式，MySQL 5.7 之前的数据库和 MariaDB 不支持重命名索引
|
|||
|
|
DontSupportRenameColumn: true, // 用 `change` 重命名列，MySQL 8 之前的数据库和 MariaDB 不支持重命名列
|
|||
|
|
SkipInitializeWithVersion: false, // 根据版本自动配置
|
|||
|
|
}), &gorm.Config{
|
|||
|
|
NamingStrategy: schema.NamingStrategy{
|
|||
|
|
SingularTable: true,
|
|||
|
|
},
|
|||
|
|
})
|
|||
|
|
if err != nil {
|
|||
|
|
panic(err)
|
|||
|
|
}
|
|||
|
|
sqlDB, _ := db.DB()
|
|||
|
|
sqlDB.SetMaxIdleConns(20) //设置连接池，空闲
|
|||
|
|
sqlDB.SetMaxOpenConns(100) //打开
|
|||
|
|
sqlDB.SetConnMaxLifetime(time.Second * 30)
|
|||
|
|
DB = db
|
|||
|
|
}
|