From c8e5b36060ab25554c56b21699d5de186567b1ac Mon Sep 17 00:00:00 2001
From: qydysky <qydysky@foxmail.com>
Date: Mon, 31 Aug 2020 07:09:20 +0800
Subject: [PATCH] 53

---
 Random.go | 36 ++++++++++++++++++++++++++++++++++++
 Sys.go    |  7 +++++++
 2 files changed, 43 insertions(+)
 create mode 100644 Random.go

diff --git a/Random.go b/Random.go
new file mode 100644
index 0000000..07d1124
--- /dev/null
+++ b/Random.go
@@ -0,0 +1,36 @@
+package part
+
+import (
+	goRand "math/rand"
+	goCRand "crypto/rand"
+  	"math/big"
+	"time"
+)
+
+type random struct{
+	RV []interface{}
+}
+
+func Rand() *random {
+	return &random{}
+}
+
+func (*random) TrueRandom(max int64) int64 {
+	var e error
+	if r,e := goCRand.Int(goCRand.Reader, big.NewInt(max)); e == nil {
+		return r.Int64()
+	}
+	Logf().E(e.Error())
+	return -1
+}
+
+func (*random) FakeRandom(max int64) int64 {
+	r := goRand.New(goRand.NewSource(time.Now().UnixNano()))
+	return r.Int63n(max)
+}
+
+func (t *random) MixRandom(max int64) int64 {
+	r := t.TrueRandom(max)
+	if r != -1 {return r}
+	return t.FakeRandom(max)
+}
\ No newline at end of file
diff --git a/Sys.go b/Sys.go
index 13388e0..1266125 100644
--- a/Sys.go
+++ b/Sys.go
@@ -61,6 +61,13 @@ func (this *sys) Timeoutf(Timeout int) {
     time.Sleep(time.Duration(Timeout)*time.Second)
 }
 
+func (this *sys) MTimeoutf(Millisecond int) {
+	this.Lock()
+	defer this.Unlock()
+	
+    time.Sleep(time.Duration(Millisecond)*time.Millisecond)
+}
+
 func (this *sys) GetSys(sys string)bool{
 	this.RV = append(this.RV, runtime.GOOS)
     return runtime.GOOS==sys
-- 
2.39.2