Files
injoyai-tdx/internal/xorms/engine.go
2025-11-13 16:57:53 +08:00

119 lines
2.8 KiB
Go

package xorms
import (
_ "github.com/glebarez/go-sqlite"
_ "github.com/go-sql-driver/mysql"
"os"
"path/filepath"
"time"
"xorm.io/core"
"xorm.io/xorm"
"xorm.io/xorm/schemas"
)
func NewMysql(dsn string, options ...Option) (*Engine, error) {
return New("mysql", dsn, options...)
}
func NewSqlite(filename string, options ...Option) (*Engine, error) {
dir, _ := filepath.Split(filename)
_ = os.MkdirAll(dir, 0777)
//sqlite是文件数据库,只能打开一次(即一个连接)
options = append(options, WithMaxOpenConns(1))
return New("sqlite", filename, options...)
}
/*
New 需要手动引用驱动
mysql _ "github.com/go-sql-driver/mysql"
sqlite _ "github.com/glebarez/go-sqlite"
sqlserver _ "github.com/denisenkom/go-mssqldb"
*/
func New(Type, dsn string, options ...Option) (*Engine, error) {
db, err := xorm.NewEngine(Type, dsn)
if err != nil {
return nil, err
}
//默认同步字段
WithSyncField(true)(db)
for _, v := range options {
v(db)
}
return &Engine{Engine: db}, nil
}
type Engine struct {
*xorm.Engine
}
func (this *Engine) TableName(v any) string {
return this.Engine.TableName(v)
}
func (this *Engine) Tables() []*schemas.Table {
list, _ := this.DBMetas()
return list
}
// SetTablePrefix 前缀
func (this *Engine) SetTablePrefix(s string) *Engine {
this.SetTableMapper(core.NewPrefixMapper(core.SameMapper{}, s))
return this
}
// SetSyncField 字段同步
func (this *Engine) SetSyncField() *Engine {
this.SetMapper(core.SameMapper{})
return this
}
// SetConnMaxLifetime 设置连接超时时间(超时会断开连接)
func (this *Engine) SetConnMaxLifetime(d time.Duration) *Engine {
this.DB().SetConnMaxLifetime(d)
return this
}
// SetMaxIdleConns 设置空闲数(一直连接不断开)
func (this *Engine) SetMaxIdleConns(n int) *Engine {
this.DB().SetMaxIdleConns(n)
return this
}
// SetMaxOpenConns 设置连接数(超出最大数量会等待)
func (this *Engine) SetMaxOpenConns(n int) *Engine {
this.DB().SetMaxOpenConns(n)
return this
}
// NewSession 新建自动关闭事务
func (this *Engine) NewSession() *Session {
return newSession(this.Engine.Where(""))
}
func (this *Engine) SessionFunc(fn func(session *xorm.Session) error) error {
return NewSessionFunc(this.Engine, fn)
}
func (this *Engine) Like(param, arg string) *Session {
return newSession(this.Engine.Where(param+" like ?", "%"+arg+"%"))
}
func (this *Engine) Desc(colNames ...string) *Session {
return newSession(this.Engine.Desc(colNames...))
}
func (this *Engine) Asc(colNames ...string) *Session {
return newSession(this.Engine.Asc(colNames...))
}
func (this *Engine) Limit(limit int, start ...int) *Session {
if limit > 0 {
return newSession(this.Engine.Limit(limit, start...))
}
return newSession(this.Engine.Where(""))
}
func (this *Engine) Where(query any, args ...any) *Session {
return newSession(this.Engine.Where(query, args...))
}