开放interval包,命名为lib

lib/xorms/engine.go

@@ -0,0 +1,118 @@
+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...))
+}