type SafeMap struct {
sync.RWMutex
Map map[int64]string
}
func NewSafeMap(size int) *SafeMap {
sm := new(SafeMap)
sm.Map = make(map[int64]string, size)
return sm
}
func (sm *SafeMap) ReadMap(key int64) string {
sm.RLock()
value := sm.Map[key]
sm.RUnlock()
return value
}
func (sm *SafeMap) WriteMap(key int64, value string) {
sm.Lock()
sm.Map[key] = value
sm.Unlock()
}
// 用于for k,_ := range m.Keys(){v := m.ReadMap(k) ....}
func (sm *SafeMap) Keys() []int64 {
sm.RLock()
value := make([]int64, 0)
for k, _ := range sm.Map {
value = append(value, k)
}
sm.RUnlock()
return value
}
来源:CSDN
作者:wanhf11
链接:https://blog.csdn.net/qq_17612199/article/details/79601222