0527——

application/common.php

@@ -62,3 +62,11 @@ function randomkeys($length)
     }
     return $key;
 }
+function create_unique()
+{
+    $uniqid = uniqid();
+    $uniqid = str_replace('.', '', $uniqid);
+    $unString = base_convert($uniqid, 16, 36);
+    // 补足17位
+    return str_pad($unString, 17, rand(1,9999999));
+}