From 004b83172e9de8ffec17238359c15b092a0a3a77 Mon Sep 17 00:00:00 2001
From: Redkale <8730487+redkale@users.noreply.github.com>
Date: Sat, 23 Nov 2019 09:28:18 +0800
Subject: [PATCH]

---
 src/org/redkale/util/ByteBufferReader.java | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/org/redkale/util/ByteBufferReader.java b/src/org/redkale/util/ByteBufferReader.java
index afd11a278..edd84daf9 100644
--- a/src/org/redkale/util/ByteBufferReader.java
+++ b/src/org/redkale/util/ByteBufferReader.java
@@ -105,6 +105,15 @@ public class ByteBufferReader {
         return v;
     }
 
+    //提前预读一个字节
+    public byte preget() {
+        ByteBuffer buf = this.currBuffer;
+        if (!buf.hasRemaining()) {
+            buf = this.buffers[this.currIndex + 1];
+        }
+        return buf.get(buf.position());
+    }
+
     public byte get() {
         ByteBuffer buf = this.currBuffer;
         if (!buf.hasRemaining()) {