fix(value): add fix value get range slice

pkg/structure/value.go

@@ -3,6 +3,7 @@ package structure
 import (
 	"bytes"
 	"encoding/binary"
+	"fmt"
 	"math"
 	"strconv"
 
@@ -175,12 +176,34 @@ func (v *Value) GetByte(offset int) (bool, error) {
 }
 
 func (v *Value) SliceByString(start, end int) ([]byte, error) {
-	if v.onType != DynamicString {
-		return nil, errorx.New("not is string")
-	}
 	if start > end {
 		return nil, errorx.New("the end cannot be greater than the beginning")
 	}
+
+	if v.onType == DynamicInt {
+		ret, err := v.ToInt()
+		if err != nil {
+			return nil, err
+		}
+		value := strconv.Itoa(int(ret))
+		if end > len(value) {
+			return nil, errorx.New("the maximum index is exceeded, max index: %d", len(value))
+		}
+		return []byte(value[start:end]), nil
+	}
+
+	if v.onType == DynamicFloat {
+		ret, err := v.ToFloat64()
+		if err != nil {
+			return nil, err
+		}
+		value := fmt.Sprintf("%.2f", ret)
+		if end > len(value) {
+			return nil, errorx.New("the maximum index is exceeded, max index: %d", len(value))
+		}
+		return []byte(value[start:end]), nil
+	}
+
 	if end > v.length {
 		return nil, errorx.New("the maximum index is exceeded, max index: %d", v.length)
 	}