Initial commit

common/rand.go

@@ -0,0 +1,37 @@
+package common
+
+import (
+	"math/rand"
+	"time"
+)
+
+//生成随机字符串
+func RandStr(strLen int) string {
+	rand.Seed(time.Now().UnixNano())
+	data := make([]byte, strLen)
+	var num int
+	for i := 0; i < strLen; i++ {
+		num = rand.Intn(57) + 65
+		for {
+			if num > 90 && num < 97 {
+				num = rand.Intn(57) + 65
+			} else {
+				break
+			}
+		}
+		data[i] = byte(num)
+	}
+	return string(data)
+}
+func ArrayReverseInt(s []int) []int {
+	for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
+		s[i], s[j] = s[j], s[i]
+	}
+	return s
+}
+func ArrayReverseByte(s []byte) []byte {
+	for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
+		s[i], s[j] = s[j], s[i]
+	}
+	return s
+}