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