go-common/app/interface/main/app-wall/dao/wall/wall.go
2019-04-22 18:49:16 +08:00

52 lines
1.0 KiB
Go

package wall
import (
"context"
"go-common/app/interface/main/app-wall/conf"
"go-common/app/interface/main/app-wall/model/wall"
"go-common/library/database/sql"
"go-common/library/log"
)
const (
//wall
_wallSQL = "SELECT logo,download,name,package,size,remark FROM wall WHERE state=1 ORDER BY rank DESC"
)
type Dao struct {
db *sql.DB
wallSQL *sql.Stmt
}
func New(c *conf.Config) (d *Dao) {
d = &Dao{
db: sql.NewMySQL(c.MySQL.Show),
}
d.wallSQL = d.db.Prepared(_wallSQL)
return
}
func (d *Dao) WallAll(ctx context.Context) (res []*wall.Wall, err error) {
rows, err := d.wallSQL.Query(ctx)
if err != nil {
log.Error("query error (%v)", err)
return
}
defer rows.Close()
res = []*wall.Wall{}
for rows.Next() {
a := &wall.Wall{}
if err = rows.Scan(&a.Logo, &a.Download, &a.Name, &a.Package, &a.Size, &a.Remark); err != nil {
log.Error("rows.Scan err (%v)", err)
return
}
res = append(res, a)
}
return
}
func (d *Dao) Ping(c context.Context) (err error) {
return d.db.Ping(c)
}