var signPackage={"appId":"wx1caa3a36c2571826","nonceStr":"fADaTx476LC89AxO","timestamp":1727720728,"url":"m.cengbang.com%2Fchanpin%2Fhow%2Fhowtrg.html","signature":"e129122c7da862cce26107ce189273edb7b8c9b4","rawString":"jsapi_ticket=&noncestr=fADaTx476LC89AxO&timestamp=1727720728&url=m.cengbang.com%2Fchanpin%2Fhow%2Fhowtrg.html"}