From 318c8dd5669d1ff74e14d1bd34c99b8f8432d033 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=88=98=E7=A5=A5=E8=B6=85?= <iwind.liu@gmail.com>
Date: Sun, 23 Oct 2022 09:25:20 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E5=B0=8F=E6=95=B0=E6=95=B0?=
 =?UTF-8?q?=E5=AD=97=E6=A0=BC=E5=BC=8F=E5=8C=96?=
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---
 internal/utils/numberutils/utils.go      | 13 +------------
 internal/utils/numberutils/utils_test.go |  6 ++++++
 2 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/internal/utils/numberutils/utils.go b/internal/utils/numberutils/utils.go
index 411d6b39..60394c56 100644
--- a/internal/utils/numberutils/utils.go
+++ b/internal/utils/numberutils/utils.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"github.com/iwind/TeaGo/types"
 	"strconv"
-	"strings"
 )
 
 func FormatInt64(value int64) string {
@@ -50,15 +49,5 @@ func FloorFloat32(f float32, decimal int) float32 {
 		return f
 	}
 
-	var s = fmt.Sprintf("%f", f)
-	var index = strings.Index(s, ".")
-	if index < 0 {
-		return f
-	}
-
-	var d = s[index:]
-	if len(d) <= decimal+1 {
-		return f
-	}
-	return types.Float32(s[:index] + d[:decimal+1])
+	return types.Float32(fmt.Sprintf("%.2f", f))
 }
diff --git a/internal/utils/numberutils/utils_test.go b/internal/utils/numberutils/utils_test.go
index 557b990b..8d2545e6 100644
--- a/internal/utils/numberutils/utils_test.go
+++ b/internal/utils/numberutils/utils_test.go
@@ -35,3 +35,9 @@ func TestFloorFloat32(t *testing.T) {
 	t.Logf("%f, %f", numberutils.FloorFloat32(123.456789, 4), 123.456789*10*10*10*10)
 	t.Logf("%f", numberutils.FloorFloat32(-123.45678, 2))
 }
+
+func TestFloorFloat32_Special(t *testing.T) {
+	for _, f := range []float32{17.88, 1.11, 1.23456} {
+		t.Logf("%f", numberutils.FloorFloat32(f, 2))
+	}
+}