64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
package dao
|
||
|
||
import (
|
||
"context"
|
||
"time"
|
||
|
||
"math/rand"
|
||
|
||
"go-common/app/service/live/xlottery/conf"
|
||
"go-common/library/cache/redis"
|
||
xsql "go-common/library/database/sql"
|
||
"go-common/library/log"
|
||
)
|
||
|
||
// Dao dao
|
||
type Dao struct {
|
||
c *conf.Config
|
||
//mc *memcache.Pool
|
||
redis *redis.Pool
|
||
db *xsql.DB
|
||
}
|
||
|
||
// New init mysql db
|
||
func New(c *conf.Config) (dao *Dao) {
|
||
dao = &Dao{
|
||
c: c,
|
||
redis: redis.NewPool(c.Redis.Lottery),
|
||
db: xsql.NewMySQL(c.Database.Lottery),
|
||
}
|
||
return
|
||
}
|
||
|
||
// Close close the resource.
|
||
func (d *Dao) Close() {
|
||
d.redis.Close()
|
||
d.db.Close()
|
||
}
|
||
|
||
// Ping dao ping
|
||
func (d *Dao) Ping(c context.Context) error {
|
||
return d.db.Ping(c)
|
||
}
|
||
|
||
// 通过提供的sql和bind来更新，没有实际业务意义，只是为了少写重复代码
|
||
func (d *Dao) execSqlWithBindParams(c context.Context, sql *string, bindParams ...interface{}) (affect int64, err error) {
|
||
res, err := d.db.Exec(c, *sql, bindParams...)
|
||
if err != nil {
|
||
log.Error("db.Exec(%s) error(%v)", *sql, err)
|
||
return
|
||
}
|
||
return res.RowsAffected()
|
||
}
|
||
|
||
func randomString(l int) string {
|
||
str := "0123456789abcdefghijklmnopqrstuvwxyz"
|
||
bytes := []byte(str)
|
||
result := []byte{}
|
||
r := rand.New(rand.NewSource(time.Now().UnixNano()))
|
||
for i := 0; i < l; i++ {
|
||
result = append(result, bytes[r.Intn(len(bytes))])
|
||
}
|
||
return string(result)
|
||
}
|