var wxData = {"appId":"wxa0ca5838a4750bb1","nonceStr":"QHr51U6nkXXrzcau","timestamp":1770439310,"url":"http:\/\/artexpress.artron.net\/weixin\/check.php","signature":"b1f475c19c4ee5e96a3fa9cc81eaabf252c60e4c"};