//在獲取微信用戶信息時加密保存到數據庫 System.Web.HttpUtility.UrlEncode("須要加密的字段")
//前端在展現是解碼 <script type="text/javascript"> alert(decodeURIComponent("%f0%9f%8e%80%e5%ba%b7%e5%b0%8f%e5%82%bb%f0%9f%8e%80")) </script>