完善包注释，便于godoc管理

g/os/gcache/gcache.go

@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-
+// 单进程缓存管理
 package gcache
 
 import (

g/os/gcmd/gcmd.go

@@ -5,6 +5,7 @@
 // You can obtain one at https://gitee.com/johng/gf.
 //
 
+// 命令行管理
 package gcmd
 
 import (

g/os/genv/genv.go

@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-
+// 环境变量管理
 package genv
 
 import "os"

g/os/gfile/gfile.go

@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-
+// 文件管理
 package gfile
 
 import (

g/os/gfilepool/gfilepool.go

@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-
+// 文件指针池
 package gfilepool
 
 import (

g/os/gfilespace/gfilespace.go

@@ -5,8 +5,6 @@
 // You can obtain one at https://gitee.com/johng/gf.
 
 // 文件空间管理， 可用于文件碎片空间维护及再利用，支持自动合并连续碎片空间
-
-
 package gfilespace
 
 import (

g/os/gtime/time.go

@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-
+// 时间管理
 package gtime
 
 import (
@@ -25,9 +25,8 @@ func SetInterval(t time.Duration, callback func() bool) {
     go func() {
         for {
             time.Sleep(t)
-            r := callback()
-            if !r {
-                break;
+            if !callback() {
+                break
             }
         }
     }()

g/os/gview/gview.go

@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-
+// 视图管理
 package gview
 
 import (
@@ -38,7 +38,7 @@ type Template struct {
 var viewMap = gmap.NewStringInterfaceMap()
 
 // 获取或者创建一个视图对象
-func GetView(path string) *View {
+func Get(path string) *View {
     if r := viewMap.Get(path); r != nil {
         return r.(*View)
     }
@@ -49,7 +49,7 @@ func GetView(path string) *View {
 
 // 生成一个视图对象
 func New(path string) *View {
-    return &View{
+    return &View {
         path   : path,
         tpls   : gmap.NewStringInterfaceMap(),
         suffix : "tpl",