copier DeepCopy

toolkit/copier/copier.go

@@ -78,6 +78,34 @@ func setStructField(structObj any, fieldName string, fieldValue any) error {
 			return nil
 		}
 
+		if fieldVal.Kind() == reflect.Ptr {
+			v := reflect.New(fieldVal.Type().Elem())
+			if fieldVal.Type().Elem() != val.Type() {
+				if val.CanConvert(fieldVal.Type().Elem()) {
+					v.Elem().Set(val.Convert(fieldVal.Type().Elem()))
+					fieldVal.Set(v)
+					return nil
+				}
+			} else {
+				v.Elem().Set(val)
+				fieldVal.Set(v)
+				return nil
+			}
+		}
+
+		if val.Kind() == reflect.Ptr {
+			v := val.Elem()
+			if fieldVal.Type() != v.Type() {
+				if v.CanConvert(fieldVal.Type()) {
+					fieldVal.Set(v.Convert(fieldVal.Type()))
+					return nil
+				}
+			} else {
+				fieldVal.Set(v)
+				return nil
+			}
+		}
+
 		if m, ok := fieldValue.(map[string]any); ok {
 
 			if fieldVal.Kind() == reflect.Struct {
@@ -94,7 +122,7 @@ func setStructField(structObj any, fieldName string, fieldValue any) error {
 
 		}
 
-		return fmt.Errorf("map attribute %s value type don't match struct field %s type", fieldName, fName)
+		return fmt.Errorf("map attribute [%s] value type don't match struct field [%s] type", fieldName, fName)
 	}
 
 	fieldVal.Set(val)

toolkit/copier/copier_test.go

@@ -2,7 +2,7 @@ package copier
 
 import (
 	"fmt"
-	"github.com/bytedance/sonic/decoder"
+	"github.com/samber/lo"
 	"testing"
 )
 
@@ -169,13 +169,15 @@ func TestDeepCopy2(t *testing.T) {
 }
 
 func TestDeepCopy3(t *testing.T) {
-	t1 := `{"name":"jack", "age": 18.0, "school": "beijing"}`
+	//t1 := `{"name":"jack", "age": 18.0, "school": "beijing"}`
 	p := make(map[string]interface{})
-	dec := decoder.NewDecoder(t1)
-	dec.UseInt64()
-	dec.Decode(&p)
-	ddd, _ := json.Marshal(p)
-	fmt.Println(string(ddd))
+	p["name"] = lo.ToPtr("jack")
+	p["age"] = lo.ToPtr(18)
+	//dec := decoder.NewDecoder(t1)
+	//dec.UseInt64()
+	//dec.Decode(&p)
+	//ddd, _ := json.Marshal(p)
+	//fmt.Println(string(ddd))
 	type Student struct {
 		Name string `json:"name"`
 		Age  int    `json:"age,string"`