修复用户不存在医案记录时，pdf也能导出，并且能发送到邮箱问题

control/index.php

@@ -153,7 +153,7 @@ class index extends publicBase {
 
         $m_user_case = new mUserCase();
         $data = $m_user_case->getUserCaseList($uinfo['uid'], $page_num, $page_size);
-        if (!$data) $this->ajax_json(false, $m_user_case->getError());
+        if (!$data) $this->ajax_json(true, $m_user_case->getError());
         $total = $m_user_case->getUserCaseListCount($uinfo['uid']);
 
         $rdata = array(
@@ -248,7 +248,7 @@ class index extends publicBase {
         $return = $m_user_case->postCUrl($post_url, $data);
 
         $res = json_decode($return, 1);
-        if (isset($res['info'])) $this->ajax_json(false, $res['info']);
+        if (isset($res['info'])) $this->ajax_json(false, '未查询到可导出的医案记录');
 
         $pdf_name = md5($uinfo['uid'] . $id) . ".pdf";
         $m_user_case->createPdf($uinfo['uid'], $pdf_name, $return);
@@ -256,10 +256,8 @@ class index extends publicBase {
         $email = $this->post('email');
         if (!empty($email)) {
             if (!filter_var($email, FILTER_VALIDATE_EMAIL)) $this->ajax_json(false, '邮箱地址无效');
-
             $res = $m_user_case->sendMail(array($email), date('Y年m月d日', time()) . '-医案导出', '', sprintf(USER_CASE_PDF_PATH, $uinfo['uid']) . $pdf_name);
             if (!$res) $this->ajax_json(true, '发送失败');
-
             $this->ajax_json(true, '发送成功');
         }