Set/Get
操作
package main
import (
"fmt"
_ "github.com/gogf/gf/contrib/nosql/redis/v2"
"github.com/gogf/gf/v2/frame/g"
"github.com/gogf/gf/v2/os/gctx"
)
func main() {
var ctx = gctx.New()
_, err := g.Redis().Set(ctx, "key", "value")
if err != nil {
g.Log().Fatal(ctx, err)
}
value, err := g.Redis().Get(ctx, "key")
if err != nil {
g.Log().Fatal(ctx, err)
}
fmt.Println(value.String())
}
执行后,终端输出:
value
SetEx
操作
package main
import (
"fmt"
"time"
_ "github.com/gogf/gf/contrib/nosql/redis/v2"
"github.com/gogf/gf/v2/frame/g"
"github.com/gogf/gf/v2/os/gctx"
)
func main() {
var ctx = gctx.New()
err := g.Redis().SetEX(ctx, "key", "value", 1)
if err != nil {
g.Log().Fatal(ctx, err)
}
value, err := g.Redis().Get(ctx, "key")
if err != nil {
g.Log().Fatal(ctx, err)
}
fmt.Println(value.IsNil())
fmt.Println(value.String())
time.Sleep(time.Second)
value, err = g.Redis().Get(ctx, "key")
if err != nil {
g.Log().Fatal(ctx, err)
}
fmt.Println(value.IsNil())
fmt.Println(value.Val())
}
执行后,终端输出:
false
value
true
<nil>
HSet/HGetAll
操作
package main
import (
"fmt"
_ "github.com/gogf/gf/contrib/nosql/redis/v2"
"github.com/gogf/gf/v2/frame/g"
"github.com/gogf/gf/v2/os/gctx"
)
func main() {
var (
ctx = gctx.New()
key = "key"
)
_, err := g.Redis().HSet(ctx, key, g.Map{
"id": 1,
"name": "john",
"score": 100,
})
if err != nil {
g.Log().Fatal(ctx, err)
}
// retrieve hash map
value, err := g.Redis().HGetAll(ctx, key)
if err != nil {
g.Log().Fatal(ctx, err)
}
fmt.Println(value.Map())
// scan to struct
type User struct {
Id uint64
Name string
Score float64
}
var user *User
if err = value.Scan(&user); err != nil {
g.Log().Fatal(ctx, err)
}
g.Dump(user)
}
执行后,终端输出:
map[id:1 name:john score:100]
{
Id: 1,
Name: "john",
Score: 100,
}
HMSet/HMGet
操作
package main
import (
_ "github.com/gogf/gf/contrib/nosql/redis/v2"
"github.com/gogf/gf/v2/frame/g"
"github.com/gogf/gf/v2/os/gctx"
)
func main() {
var (
ctx = gctx.New()
key = "key"
)
err := g.Redis().HMSet(ctx, key, g.Map{
"id": 1,
"name": "john",
"score": 100,
})
if err != nil {
g.Log().Fatal(ctx, err)
}
// retrieve hash map
values, err := g.Redis().HMGet(ctx, key, "id", "name")
if err != nil {
g.Log().Fatal(ctx, err)
}
g.Dump(values.Strings())
}
执行后,终端输出:
[
"1",
"john",
]
As per Redis 4.0.0, HMSET is considered deprecated. Please use HSET in new code.
根据Redis 4.0.0
,HMSET
被视为已弃用。请在新代码中使用HSET
。