完善gcache示例

geg/os/gcache/basic.go

@@ -1,36 +0,0 @@
-package main
-
-import (
-    "gitee.com/johng/gf/g/os/gcache"
-    "time"
-    "fmt"
-)
-
-func main() {
-    for i := 0; i < 10; i++ {
-        gcache.Set(i, i, 0)
-    }
-    fmt.Println(gcache.Size())
-    fmt.Println(gcache.Keys())
-    gcache.SetCap(2)
-    time.Sleep(3*time.Second)
-    fmt.Println(gcache.Size())
-    fmt.Println(gcache.Keys())
-
-    return
-    gcache.Set("k1", "v1", 1000)
-    gcache.Set("k2", "v2", 2000)
-    fmt.Println(gcache.Keys())
-    fmt.Println(gcache.Values())
-    fmt.Println(gcache.Size())
-    time.Sleep(500*time.Millisecond)
-    fmt.Println(gcache.Get("k1"))
-    fmt.Println(gcache.Get("k2"))
-    time.Sleep(400*time.Millisecond)
-    fmt.Println(gcache.Get("k1"))
-    fmt.Println(gcache.Get("k2"))
-    time.Sleep(3000*time.Millisecond)
-    fmt.Println(gcache.Get("k1"))
-    fmt.Println(gcache.Get("k2"))
-    time.Sleep(3000*time.Millisecond)
-}

geg/os/gcache/expire.go

@@ -1,19 +0,0 @@
-package main
-
-import (
-    "gitee.com/johng/gf/g/os/gcache"
-    "fmt"
-    "time"
-)
-
-func main() {
-    gcache.Set("k1", "v1", 1000)
-    gcache.Set("k2", "v2", 2000)
-    fmt.Println(gcache.Keys())
-    fmt.Println(gcache.Values())
-
-    time.Sleep(1*time.Second)
-
-    fmt.Println(gcache.Keys())
-    fmt.Println(gcache.Values())
-}

geg/os/gcache/usage_basic.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+    "gitee.com/johng/gf/g/os/gcache"
+    "gitee.com/johng/gf/g"
+)
+
+func main() {
+    // 创建一个缓存对象，当然也可以直接使用gcache包方法
+    c := gcache.New()
+
+    // 设置缓存，不过期
+    c.Set("k1", "v1", 0)
+
+    // 获取缓存
+    g.Dump(c.Get("k1"))
+
+    // 获取缓存大小
+    g.Dump(c.Size())
+
+    // 缓存中是否存在指定键名
+    g.Dump(c.Contains("k1"))
+
+    // 删除并返回被删除的键值
+    g.Dump(c.Remove("k1"))
+
+    // 关闭缓存对象，让GC回收资源
+    c.Close()
+}

geg/os/gcache/usage_senior.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+    "gitee.com/johng/gf/g/os/gcache"
+    "gitee.com/johng/gf/g"
+    "time"
+)
+
+func main() {
+    // 当键名不存在时写入，设置过期时间1000毫秒
+    gcache.SetIfNotExist("k1", "k1", 1000)
+
+    // 打印当前的键名列表
+    g.Dump(gcache.Keys())
+
+    // 打印当前的键名列表 []string 类型
+    g.Dump(gcache.KeyStrings())
+
+    // 获取指定键值，如果不存在时写入，并返回键值
+    g.Dump(gcache.GetOrSet("k2", "v2", 0))
+
+    // 打印当前的键值列表
+    g.Dump(gcache.Values())
+
+    // 等待1秒，以便k1:v1自动过期
+    time.Sleep(time.Second)
+
+    // 再次打印当前的键值列表，发现k1:v1已经过期，只剩下k2:v2
+    g.Dump(gcache.Values())
+}

geg/other/test.go

@@ -1,10 +1,10 @@
 package main
 
 import (
-	"fmt"
-	"math"
+	"gitee.com/johng/gf/g"
 )
 
 func main() {
-	fmt.Println(int64(math.Ceil(float64(11111/10000) + 1)*10000))
+	g.Dump(1,2,3)
+	g.Dump(1,2,3)
 }