wp-go/helper/maps/map.go
2023-01-21 19:31:23 +08:00

51 lines
910 B
Go

package maps
import "encoding/json"
func StrAnyMapToStruct[T any, M any](m M) (r T, err error) {
str, err := json.Marshal(m)
if err != nil {
return
}
err = json.Unmarshal(str, &r)
return
}
func StructToAnyMap[K comparable, T any](s T) (r map[K]any, err error) {
marshal, err := json.Marshal(s)
if err != nil {
return
}
r = make(map[K]any)
err = json.Unmarshal(marshal, &r)
return
}
func FilterToSlice[T any, K comparable, V any](m map[K]V, fn func(K, V) (T, bool)) (r []T) {
for k, v := range m {
vv, ok := fn(k, v)
if ok {
r = append(r, vv)
}
}
return
}
// AnyAnyToStrAny map[any]any => map[string]any 方便json转换
func AnyAnyToStrAny(m map[any]any) (r map[string]any) {
r = make(map[string]any)
for k, v := range m {
kk, ok := k.(string)
if ok {
vv, ok := v.(map[any]any)
if ok {
r[kk] = AnyAnyToStrAny(vv)
} else {
r[kk] = v
}
}
}
return
}