diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..081b737
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 数据源本地存储已忽略文件
+/dataSources/
+/dataSources.local.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..6bde8be
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/zyos_go_pay.iml b/.idea/zyos_go_pay.iml
new file mode 100644
index 0000000..5e764c4
--- /dev/null
+++ b/.idea/zyos_go_pay.iml
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..e69de29
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..da0dc62
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module code.fnuoos.com/go_rely_warehouse/zyos_go_pay.git
+
+go 1.16
diff --git a/stringutil/reverse.go b/stringutil/reverse.go
new file mode 100644
index 0000000..92ad007
--- /dev/null
+++ b/stringutil/reverse.go
@@ -0,0 +1,10 @@
+package stringutil
+
+// Reverse returns its argument string reversed rune-wise left to right.
+func Reverse(s string) string {
+ r := []rune(s)
+ for i, j := 0, len(r)-1; i < len(r)/2; i, j = i+1, j-1 {
+ r[i], r[j] = r[j], r[i]
+ }
+ return string(r)
+}
\ No newline at end of file
diff --git a/stringutil/reverse_test.go b/stringutil/reverse_test.go
new file mode 100644
index 0000000..31da3fc
--- /dev/null
+++ b/stringutil/reverse_test.go
@@ -0,0 +1,18 @@
+package stringutil
+
+import "testing"
+
+func TestReverse(t *testing.T) {
+ for _, c := range []struct {
+ in, want string
+ }{
+ {"Hello, world", "dlrow ,olleH"},
+ {"Hello, 世界", "界世 ,olleH"},
+ {"", ""},
+ } {
+ got := Reverse(c.in)
+ if got != c.want {
+ t.Errorf("Reverse(%q) == %q, want %q", c.in, got, c.want)
+ }
+ }
+}
\ No newline at end of file