!286 解决自带Email类发送邮件收件人账号名是数组索引，移除未使用形参

Merge pull request !286 from Henry/email_bug_revision

application/common/library/Email.php

@@ -97,10 +97,9 @@ class Email
     /**
      * 设置收件人
      * @param mixed  $email 收件人,多个收件人以,进行分隔
-     * @param string $name  收件人名称
      * @return $this
      */
-    public function to($email, $name = '')
+    public function to($email)
     {
         $emailArr = $this->buildAddress($email);
         foreach ($emailArr as $address => $name) {
@@ -177,7 +176,12 @@ class Email
      */
     protected function buildAddress($emails)
     {
-        $emails = is_array($emails) ? $emails : array_flip(explode(',', str_replace(";", ",", $emails)));
+        if (!is_array($emails)) {
+            $emails = array_flip(explode(',', str_replace(";", ",", $emails)));
+            foreach ($emails as $key => $value) {
+                $emails[$key] = strstr($key, '@', true);
+            }
+        }
         return $emails;
     }