From 3f15fdd59fca51ce4f9bd8b0bb5e3c43df1b40b9 Mon Sep 17 00:00:00 2001
From: _Fighter <lylovejava@yeah.net>
Date: Fri, 3 Dec 2021 01:14:43 +0800
Subject: [PATCH] add

---
 basic.go      | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++
 helloworld.go | 12 ++++++++++++
 2 files changed, 66 insertions(+)
 create mode 100644 basic.go
 create mode 100644 helloworld.go

diff --git a/basic.go b/basic.go
new file mode 100644
index 0000000..41ac020
--- /dev/null
+++ b/basic.go
@@ -0,0 +1,54 @@
+package main
+
+import "fmt"
+
+/*此处不能使用 := 来定义变量
+ go 语言都中包内变量，go 没有全局变量
+ 函数包变量可以不使用，
+*/
+var xx =3
+var ss =100
+/*统一定义变量*/
+var(
+	x1=23
+	x2=true
+	x3=323.23
+)
+
+func variableZeroValue()  {
+	/*函数内部变量必须被使用*/
+	var a int
+	var s string
+	fmt.Printf("%d  %q\n", a, s)
+}
+
+func variableInitialValue()  {
+	var a ,b int = 3,4
+	var s string = "abc"
+	fmt.Println(a,b, s)
+}
+
+
+func variableTypeDeduction()  {
+	var x ,b  ,c,e,f  = 3.23,4,"abdad",true, 4.54
+	fmt.Println(x,b,f+1, c,e)
+}
+
+func variableShorter()  {
+	 /*
+	   不使用 var
+	   第一次定义变量可以使用:=,但是只能在函数内部使用，外部不能使用
+	 */
+	 x ,b  ,c,e,f  := 3.23,4,"abdad",true, 4.54
+	fmt.Println(x,b,f+1, c,e)
+}
+
+
+func main() {
+	variableZeroValue()
+	variableInitialValue()
+	variableTypeDeduction()
+	variableShorter()
+	fmt.Println(x1,x2,x3)
+
+}
diff --git a/helloworld.go b/helloworld.go
new file mode 100644
index 0000000..623fe0f
--- /dev/null
+++ b/helloworld.go
@@ -0,0 +1,12 @@
+package main
+
+import (
+	"fmt"
+	"runtime"
+)
+
+func main() {
+
+	fmt.Println("hello world!")
+	fmt.Println(runtime.GOARCH)
+}
-- 
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