README updates

README.MD

@@ -92,6 +92,8 @@ func main() {
 
 # Donators
 
+<a href="https://gitee.com/zhuhuan12" target="_blank" title="zhuhuan12"><img src="https://gitee.com/uploads/39/751839_zhuhuan12.png" width="60" align="left"></a>
+
 <a href="https://gitee.com/zfan_codes" target="_blank" title="范钟"><img src="https://images.gitee.com/uploads/32/2044832_zfan_codes.png" width="60" align="left"></a>
 
 <a href="https://gitee.com/hailaz" target="_blank" title="HaiLaz"><img src="https://gitee.com/uploads/87/1273187_hailaz.png" width="60" align="left"></a>

README_ZH.MD

@@ -97,6 +97,8 @@ func main() {
 
 # 捐赠者
 
+<a href="https://gitee.com/zhuhuan12" target="_blank" title="zhuhuan12"><img src="https://gitee.com/uploads/39/751839_zhuhuan12.png" width="60" align="left"></a>
+
 <a href="https://gitee.com/zfan_codes" target="_blank" title="范钟"><img src="https://images.gitee.com/uploads/32/2044832_zfan_codes.png" width="60" align="left"></a>
 
 <a href="https://gitee.com/hailaz" target="_blank" title="HaiLaz"><img src="https://gitee.com/uploads/87/1273187_hailaz.png" width="60" align="left"></a>

g/os/gtimer/gtimer_z_example_test.go

@@ -0,0 +1,24 @@
+// Copyright 2019 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://gitee.com/johng/gf.
+
+package gtimer_test
+
+import (
+    "fmt"
+    "gitee.com/johng/gf/g/os/gtimer"
+    "time"
+)
+
+func ExampleAdd() {
+    now      := time.Now()
+    interval := 1400*time.Millisecond
+    gtimer.Add(interval, func() {
+        fmt.Println(time.Now(), time.Duration(time.Now().UnixNano() - now.UnixNano()))
+        now = time.Now()
+    })
+
+    select { }
+}

geg/os/gtimer/gtimer1.go

@@ -1,9 +1,9 @@
 package main
 
 import (
-    "fmt"
-    "gitee.com/johng/gf/g/os/gtimer"
-    "time"
+"fmt"
+"gitee.com/johng/gf/g/os/gtimer"
+"time"
 )
 
 func main() {

geg/os/gtimer/gtimer3.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+    "gitee.com/johng/gf/g/os/glog"
+    "gitee.com/johng/gf/g/os/gtimer"
+    "time"
+)
+
+func main() {
+    interval := time.Millisecond
+    gtimer.AddSingleton(interval, func() {
+        glog.Println("doing")
+        time.Sleep(2*time.Second)
+    })
+
+    select { }
+}