1.加了分包发的功能

2.testing没什么问题，但是使用时还是感觉掉数据

Signed-off-by: dmy@lab <dmy@lab.com>

utils/int2binary.go

@@ -0,0 +1,34 @@
+package utils
+
+import (
+	"encoding/binary"
+	"unsafe"
+)
+
+func Int2binary(num int, b int) []byte {
+	var a int64 //Go的破毛病
+	buf := make([]byte, unsafe.Sizeof(a))
+	if len(buf) > b {
+		panic("int2binary: buff must be greater than size of int64")
+	}
+	binary.PutVarint(buf, int64(num))
+	ret := make([]byte, b)
+	for i := 0; i < len(ret); i++ {
+		ret[i] = 0
+	}
+	copy(ret, buf)
+	return ret
+}
+
+func Binary2Int(bin []byte) int {
+	var a int64           //Go的破毛病
+	b := unsafe.Sizeof(a) //只取前面几位
+	num, n := binary.Varint(bin[:b])
+	if n == 0 {
+		panic("Binary2Int:buf too small")
+	}
+	if n < 0 {
+		panic("value larger than 64 bits (overflow) sand -n is the number of bytes read")
+	}
+	return int(num)
+}