整个包结构重构

common/context_base.go

@@ -0,0 +1,17 @@
+package common
+
+import "time"
+
+type ContextBase struct {
+	Error
+	tag int64
+}
+
+//唯一标志
+func (this *ContextBase) GetTag() int64 {
+
+	if this.tag == int64(0) {
+		this.tag = time.Now().UnixNano()
+	}
+	return this.tag
+}