按功能拆分文件

2025-09-21 16:30:45 +08:00
parent e57caf3080
commit 77a8322aad
7 changed files with 314 additions and 210 deletions
@@ -0,0 +1,184 @@
+package structx
+
+import (
+	"encoding/json"
+	"fmt"
+	"reflect"
+	"strconv"
+
+	"code.yun.ink/pkg/convx"
+)
+
+// converterFunc 类型转换函数
+type converterFunc func(reflect.Value, string) (interface{}, error)
+
+var (
+	typeConverters = map[reflect.Kind]converterFunc{
+		reflect.Bool:    convertBool,
+		reflect.Int:     convertInt[int],
+		reflect.Int8:    convertInt[int8],
+		reflect.Int16:   convertInt[int16],
+		reflect.Int32:   convertInt[int32],
+		reflect.Int64:   convertInt[int64],
+		reflect.Uint:    convertUint[uint],
+		reflect.Uint8:   convertUint[uint8],
+		reflect.Uint16:  convertUint[uint16],
+		reflect.Uint32:  convertUint[uint32],
+		reflect.Uint64:  convertUint[uint64],
+		reflect.Float32: convertFloat[float32],
+		reflect.Float64: convertFloat[float64],
+		reflect.String:  convertString,
+		reflect.Slice:   convertSlice,
+		reflect.Array:   convertArray,
+		reflect.Map:     convertMap,
+	}
+)
+
+// 转换为字符串
+func convertToString(item interface{}) string {
+	if str, ok := item.(string); ok {
+		return str
+	}
+	return fmt.Sprintf("%v", item)
+}
+
+// 转换为数字（float64）
+func convertToFloat64(item interface{}) (float64, error) {
+	switch v := item.(type) {
+	case float64:
+		return v, nil
+	case int, int32, int64:
+		return float64(reflect.ValueOf(v).Int()), nil
+	case uint, uint32, uint64:
+		return float64(reflect.ValueOf(v).Uint()), nil
+	case float32:
+		return float64(v), nil
+	default:
+		return 0, fmt.Errorf("无法转换为数字")
+	}
+}
+
+// 转换为类型别名
+func convertToTypeAlias(aliasType reflect.Type, value interface{}) (interface{}, error) {
+	if aliasType.Kind() == reflect.Ptr {
+		elemType := aliasType.Elem()
+		newValue := reflect.New(elemType)
+		elemValue := newValue.Elem()
+
+		converted, err := convertValueToType(value, elemType)
+		if err != nil {
+			return nil, err
+		}
+		elemValue.Set(reflect.ValueOf(converted))
+		return newValue.Interface(), nil
+	}
+
+	return convertValueToType(value, aliasType)
+}
+
+// 转换值为目标类型
+func convertValueToType(value interface{}, targetType reflect.Type) (interface{}, error) {
+	valueType := reflect.TypeOf(value)
+	if valueType.AssignableTo(targetType) {
+		return value, nil
+	}
+	if valueType.ConvertibleTo(targetType) {
+		return reflect.ValueOf(value).Convert(targetType).Interface(), nil
+	}
+	return nil, fmt.Errorf("无法转换类型")
+}
+
+// 类型转换函数
+func convertBool(field reflect.Value, value string) (interface{}, error) {
+	return convx.ToBool(value)
+}
+
+func convertInt[T int | int8 | int16 | int32 | int64](field reflect.Value, value string) (interface{}, error) {
+	bits := field.Type().Bits()
+	intVal, err := strconv.ParseInt(value, 10, bits)
+	if err != nil {
+		return nil, err
+	}
+	return T(intVal), nil
+}
+
+func convertUint[T uint | uint8 | uint16 | uint32 | uint64](field reflect.Value, value string) (interface{}, error) {
+	bits := field.Type().Bits()
+	uintVal, err := strconv.ParseUint(value, 10, bits)
+	if err != nil {
+		return nil, err
+	}
+	return T(uintVal), nil
+}
+
+func convertFloat[T float32 | float64](field reflect.Value, value string) (interface{}, error) {
+	bits := field.Type().Bits()
+	floatVal, err := strconv.ParseFloat(value, bits)
+	if err != nil {
+		return nil, err
+	}
+	return T(floatVal), nil
+}
+
+func convertString(field reflect.Value, value string) (interface{}, error) {
+	return value, nil
+}
+
+func convertSlice(field reflect.Value, value string) (interface{}, error) {
+	var result []interface{}
+	if err := json.Unmarshal([]byte(value), &result); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+func convertArray(field reflect.Value, value string) (interface{}, error) {
+	var result []interface{}
+	if err := json.Unmarshal([]byte(value), &result); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+func convertMap(field reflect.Value, value string) (interface{}, error) {
+	return nil, fmt.Errorf("map转换未实现")
+}
+
+func getBaseTypeFromAlias(aliasType reflect.Type) reflect.Type {
+	if aliasType.Kind() == reflect.Ptr {
+		aliasType = aliasType.Elem()
+	}
+
+	switch aliasType.Kind() {
+	case reflect.String:
+		return reflect.TypeOf("")
+	case reflect.Int:
+		return reflect.TypeOf(int(0))
+	case reflect.Int8:
+		return reflect.TypeOf(int8(0))
+	case reflect.Int16:
+		return reflect.TypeOf(int16(0))
+	case reflect.Int32:
+		return reflect.TypeOf(int32(0))
+	case reflect.Int64:
+		return reflect.TypeOf(int64(0))
+	case reflect.Uint:
+		return reflect.TypeOf(uint(0))
+	case reflect.Uint8:
+		return reflect.TypeOf(uint8(0))
+	case reflect.Uint16:
+		return reflect.TypeOf(uint16(0))
+	case reflect.Uint32:
+		return reflect.TypeOf(uint32(0))
+	case reflect.Uint64:
+		return reflect.TypeOf(uint64(0))
+	case reflect.Float32:
+		return reflect.TypeOf(float32(0))
+	case reflect.Float64:
+		return reflect.TypeOf(float64(0))
+	case reflect.Bool:
+		return reflect.TypeOf(false)
+	default:
+		return nil
+	}
+}