fix:bytebuf数据合并

src/main/java/com/kwan/shuyu/heima/netty_07_bytebuf/ByteBuf_10.java

@@ -6,9 +6,6 @@ import io.netty.buffer.ByteBufUtil;
 import io.netty.buffer.CompositeByteBuf;
 import lombok.extern.slf4j.Slf4j;
 
-import static io.netty.buffer.ByteBufUtil.appendPrettyHexDump;
-import static io.netty.util.internal.StringUtil.NEWLINE;
-
 /**
  * ByteBuf使用CompositeByteBuf方式合并
  *
@@ -41,7 +38,7 @@ public class ByteBuf_10 {
         CompositeByteBuf buf4 = ByteBufAllocator.DEFAULT.compositeBuffer();
         // true 表示增加新的 ByteBuf 自动递增 write index, 否则 write index 会始终为 0
         buf4.addComponents(true, buf1, buf2);
-        log(buf4);
+        System.out.println(buf4);
         /**
          *          +-------------------------------------------------+
          *          |  0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f |
@@ -50,16 +47,4 @@ public class ByteBuf_10 {
          * +--------+-------------------------------------------------+----------------+
          */
     }
-
-    private static void log(ByteBuf buffer) {
-        int length = buffer.readableBytes();
-        int rows = length / 16 + (length % 15 == 0 ? 0 : 1) + 4;
-        StringBuilder buf = new StringBuilder(rows * 80 * 2)
-                .append("read index:").append(buffer.readerIndex())
-                .append(" write index:").append(buffer.writerIndex())
-                .append(" capacity:").append(buffer.capacity())
-                .append(NEWLINE);
-        appendPrettyHexDump(buf, buffer);
-        System.out.println(buf.toString());
-    }
 }