Method Update

models/book.go:192–208

(cols ...string)

}

func (m *Book) Update(cols ...string) (err error) {
	o := orm.NewOrm()

	temp := NewBook()
	temp.BookId = m.BookId

	if err = o.Read(temp); err != nil {
		return err
	}

	if (m.Label + temp.Label) != "" {
		go NewLabel().InsertOrUpdateMulti(m.Label + "," + temp.Label)
	}

	_, err = o.Update(m, cols...)
	return err
}

//根据指定字段查询结果集.
func (m *Book) FindByField(field string, value interface{}) (books []*Book, err error) {