[feat] package bele: add func ReadLEUint32

pkg/bele/bele.go

@@ -108,6 +108,14 @@ func ReadBEUint64(r io.Reader) (uint64, error) {
 	return BEUint64(b), nil
 }
 
+func ReadLEUint32(r io.Reader) (uint32, error) {
+	b, err := ReadBytes(r, 4)
+	if err != nil {
+		return 0, err
+	}
+	return LEUint32(b), nil
+}
+
 // ----- 序列化 -----
 
 func BEPutUint24(out []byte, in uint32) {

pkg/bele/bele_test.go

@@ -252,6 +252,8 @@ func TestRead(t *testing.T) {
 	assert.IsNotNil(t, err)
 	_, err = ReadBEUint64(b)
 	assert.IsNotNil(t, err)
+	_, err = ReadLEUint32(b)
+	assert.IsNotNil(t, err)
 
 	b.Write([]byte{1})
 	i8, err := ReadUint8(b)
@@ -273,6 +275,11 @@ func TestRead(t *testing.T) {
 	i64, err := ReadBEUint64(b)
 	assert.Equal(t, BEUint64([]byte{1, 2, 3, 4, 5, 6, 7, 8}), i64)
 	assert.Equal(t, nil, err)
+
+	b.Write([]byte{1, 0, 0, 0})
+	i32, err = ReadLEUint32(b)
+	assert.Equal(t, uint32(1), i32)
+	assert.Equal(t, nil, err)
 }
 
 func TestReadString(t *testing.T) {