以查询游戏币余额的接口为例
原始请求信息支付秘钥key:da8d182e1cashjkulkof6ae22a4a918457HTTP请求方式:POST请求的URI:/api/apps/game/wallet/get_balance
签名算法参与签名请求参数{openid:fge35vh5h3f2,appid:tthdch45hd2df,zone_id:1,access_token:hds2rt6bhgh5wfg5nf4gdh6,ts:1507530737,pf:android}对参与签名的参数按照key=value的格式,并按照参数名ASCII字典序升序排序如下:stringA=access_token=hds2rt6bhgh5wfg5nf4gdh6&appid=tthdch45hd2df&openid=fge35vh5h3f2&pf=android&ts=1507530737&zone_id=1拼接uri、method:stringB=stringA+&org_loc=/api/apps/game/wallet/get_balance&method=POST把支付秘钥作为key,使用HMAC-SHA256得到签名sig=hmac_sha256(key,stringB)。sig=hmac_sha256(key,stringB)=4317496a530d0593fa4365ca87714a12c9e6edd4df1fea5fe1f5e5d6a1781a78了解更多