feat: 代码优化、机器计划任务完善

server/pkg/utils/stringx/rand.go

@@ -0,0 +1,25 @@
+package stringx
+
+import (
+	"math/rand"
+	"time"
+)
+
+const randChar = "0123456789abcdefghigklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+// 生成随机字符串
+func Rand(l int) string {
+	strList := []byte(randChar)
+
+	result := []byte{}
+	i := 0
+
+	r := rand.New(rand.NewSource(time.Now().UnixNano()))
+	charLen := len(strList)
+	for i < l {
+		new := strList[r.Intn(charLen)]
+		result = append(result, new)
+		i = i + 1
+	}
+	return string(result)
+}