ljw
72 lines
1.3 KiB
Go
72 lines
1.3 KiB
Go
package cache
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import (
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"encoding/json"
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)
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type Handler interface {
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Get(key string, value interface{}) error
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Set(key string, value interface{}, exp int) error
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Gc() error
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}
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// MaxTimeOut 最大超时时间
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const (
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TypeMem = "memory"
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TypeRedis = "redis"
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TypeFile = "file"
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MaxTimeOut = 365 * 24 * 3600
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)
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func New(typ string) Handler {
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var cache Handler
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switch typ {
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case TypeFile:
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cache = NewFileCache()
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case TypeRedis:
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cache = new(RedisCache)
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case TypeMem: // memory
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cache = NewMemoryCache(0)
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default:
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cache = NewMemoryCache(0)
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}
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return cache
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}
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func EncodeValue(value interface{}) (string, error) {
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/*if v, ok := value.(string); ok {
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return v, nil
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}
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if v, ok := value.([]byte); ok {
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return string(v), nil
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}*/
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b, err := json.Marshal(value)
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if err != nil {
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return "", err
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}
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return string(b), nil
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}
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func DecodeValue(value string, rtv interface{}) error {
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//判断rtv的类型是否是string，如果是string，直接赋值并返回
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/*switch rtv.(type) {
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case *string:
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*(rtv.(*string)) = value
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return nil
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case *[]byte:
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*(rtv.(*[]byte)) = []byte(value)
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return nil
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//struct
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case *interface{}:
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err := json.Unmarshal(([]byte)(value), rtv)
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return err
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default:
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err := json.Unmarshal(([]byte)(value), rtv)
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return err
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}
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*/
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err := json.Unmarshal(([]byte)(value), rtv)
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return err
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}
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