优化any转string

to_string.go

@@ -1,46 +1,91 @@
 package convx
 
 import (
-	"errors"
+	"encoding/json"
 	"fmt"
+	"reflect"
 	"strconv"
+	"time"
 )
 
 // interface 转 string
-func ToString(val interface{}) (str string, err error) {
-
-	switch v := val.(type) {
-	case nil:
-		return "", fmt.Errorf("can not convert to string")
-	case string:
-		return v, nil
-	case int:
-		return strconv.Itoa(v), nil
-	case int8:
-		return strconv.FormatInt(int64(v), 10), nil
-	case int16:
-		return strconv.FormatInt(int64(v), 10), nil
-	case int32:
-		return strconv.FormatInt(int64(v), 10), nil
-	case int64:
-		return strconv.FormatInt(v, 10), nil
-	case float32:
-		return strconv.FormatFloat(float64(v), 'f', -1, 32), nil
-	case float64:
-		return strconv.FormatFloat(v, 'f', -1, 64), nil
-	case bool:
-		return strconv.FormatBool(v), nil
-	case uint:
-		return strconv.FormatUint(uint64(v), 10), nil
-	case uint8:
-		return strconv.FormatUint(uint64(v), 10), nil
-	case uint16:
-		return strconv.FormatUint(uint64(v), 10), nil
-	case uint32:
-		return strconv.FormatUint(uint64(v), 10), nil
-	case uint64:
-		return strconv.FormatUint(v, 10), nil
+// InterfaceToString 将任意interface转换为string
+func ToString(v interface{}) string {
+	if v == nil {
+		return ""
 	}
 
-	return "", errors.New("can not convert to string")
+	// 获取值的反射对象
+	val := reflect.ValueOf(v)
+
+	// 处理指针类型：解引用直到获取到非指针值
+	for val.Kind() == reflect.Ptr {
+		if val.IsNil() {
+			return ""
+		}
+		val = val.Elem()
+	}
+
+	// 获取解引用后的实际值
+	actualValue := val.Interface()
+
+	// 根据具体类型进行处理
+	switch actual := actualValue.(type) {
+	case string:
+		return actual
+	case []byte:
+		return string(actual)
+	case error:
+		return actual.Error()
+	case bool:
+		return strconv.FormatBool(actual)
+	case int:
+		return strconv.Itoa(actual)
+	case int8:
+		return strconv.FormatInt(int64(actual), 10)
+	case int16:
+		return strconv.FormatInt(int64(actual), 10)
+	case int32:
+		return strconv.FormatInt(int64(actual), 10)
+	case int64:
+		return strconv.FormatInt(actual, 10)
+	case uint:
+		return strconv.FormatUint(uint64(actual), 10)
+	case uint8:
+		return strconv.FormatUint(uint64(actual), 10)
+	case uint16:
+		return strconv.FormatUint(uint64(actual), 10)
+	case uint32:
+		return strconv.FormatUint(uint64(actual), 10)
+	case uint64:
+		return strconv.FormatUint(actual, 10)
+	case float32:
+		return strconv.FormatFloat(float64(actual), 'f', -1, 32)
+	case float64:
+		return strconv.FormatFloat(actual, 'f', -1, 64)
+	case complex64:
+		return fmt.Sprint(actual)
+	case complex128:
+		return fmt.Sprint(actual)
+	case time.Time:
+		return actual.Format(time.RFC3339)
+	case time.Duration:
+		return actual.String()
+	case fmt.Stringer:
+		return actual.String()
+	}
+
+	// 处理切片、数组、map、结构体等复杂类型 - 使用JSON序列化
+	if val.IsValid() {
+		switch val.Kind() {
+		case reflect.Slice, reflect.Array, reflect.Map, reflect.Struct:
+			jsonBytes, err := json.Marshal(actualValue)
+			if err == nil {
+				return string(jsonBytes)
+			}
+		}
+	}
+
+	// 默认处理：使用fmt.Sprint
+	return fmt.Sprint(actualValue)
 }