意见修改

@@ -243,10 +243,21 @@ class PayController extends WeChatBaseController
     public function strtoascii2($str="")
     {
         $str = mb_convert_encoding($str, 'GB2312');
-        $change_after = '';
-        for ($i = 0; $i < strlen($str); $i=$i+2) {
-            $change_after .= dechex(ord($str[$i])).dechex(ord($str[$i+1]));
+//        var_dump(strlen($str));
+        if(strlen($str)%2!=0){
+            $change_after = '';
+            for ($i = 0; $i < strlen($str); $i = $i + 1) {
+                $change_after .= dechex(ord($str[$i]));
+//                var_dump($change_after);
+            }
+        }else {
+            $change_after = '';
+            for ($i = 0; $i < strlen($str); $i = $i + 2) {
+                $change_after .= dechex(ord($str[$i])) . dechex(ord($str[$i + 1]));
+//                var_dump($change_after);
+            }
         }
+//        exit();
         for ($i=0;strlen($change_after)<130;$i++){
             $change_after=$change_after.'00';
         }