参考微信开发品台文档中的paySign值：
paySign = MD5(appId=wxd678efh567hg6787&nonceStr=5K8264ILTKCH16CQ2502SI8ZNMTM67VS&package=prepay_id=wx2017033010242291fcfe0db70013231072&signType=MD5&timeStamp=1490840662&key=qazwsxedcrfvtgbyhnujmikolp111111) = 22D9B4E54AB1950F51E0649E8810ACD6
签名中appId必须区
1 Dictionary<string, string> signDic = new Dictionary<string, string>();
2 signDic.Add("appId", preOrder.appid);//appId中的I必须大写
3 signDic.Add("timeStamp", timeStamp.ToString());
4 signDic.Add("nonceStr", nonceStr);
5 signDic.Add("package", package);
6 signDic.Add("signType", signType);
7 var sign = SmallUtil.GetSignString(signDic, smallConfig.wechatKey);
8 signDic.Add("paySign", sign);
Dictionary<string, string> signDic = new Dictionary<string, string>();
signDic.Add("appId", preOrder.appid);//appId中的I必须大写
signDic.Add("timeStamp", timeStamp.ToString());
signDic.Add("nonceStr", nonceStr);
signDic.Add("package", package);
signDic.Add("signType", signType);
var sign = SmallUtil.GetSignString(signDic, smallConfig.wechatKey);
signDic.Add("paySign", sign);
Dictionary<string, string> signDic = new Dictionary<string, string>();
signDic.Add("appId", preOrder.appid);//appId中的I必须大写
signDic.Add("timeStamp", timeStamp.ToString());
signDic.Add("nonceStr", nonceStr);
signDic.Add("package", package);
signDic.Add("signType", signType);
var sign = SmallUtil.GetSignString(signDic, smallConfig.wechatKey);
signDic.Add("paySign", sign);
View Code
//生成签名
Dictionary<string, string> signDic = new Dictionary<string, string>();
signDic.Add("appId", preOrder.appid);//appId中的I必须大写
signDic.Add("timeStamp", timeStamp.ToString());
signDic.Add("nonceStr", nonceStr);
signDic.Add("package", package);
signDic.Add("signType", signType);
var sign = SmallUtil.GetSignString(signDic, smallConfig.wechatKey);
1 Dictionary<string, string> signDic = new Dictionary<string, string>();
2 signDic.Add("appId", preOrder.appid);//appId中的I必须大写
3 signDic.Add("timeStamp", timeStamp.ToString());
4 signDic.Add("nonceStr", nonceStr);
5 signDic.Add("package", package);
6 signDic.Add("signType", signType);
7 var sign = SmallUtil.GetSignString(signDic, smallConfig.wechatKey);
8 signDic.Add("paySign", sign);
signDic.Add("paySign", sign);
参考微信开发品台文档中的paySign值：
paySign = MD5(appId=wxd678efh567hg6787&nonceStr=5K8264ILTKCH16CQ2502SI8ZNMTM67VS&package=prepay_id=wx2017033010242291fcfe0db70013231072&signType=MD5&timeStamp=1490840662&key=qazwsxedcrfvtgbyhnujmikolp111111) = 22D9B4E54AB1950F51E0649E8810ACD6
签名中appId必须区分大小写
//生成签名
Dictionary<string, string> signDic = new Dictionary<string, string>();
signDic.Add("appId", preOrder.appid);//appId中的I必须大写
signDic.Add("timeStamp", timeStamp.ToString());
signDic.Add("nonceStr", nonceStr);
signDic.Add("package", package);
signDic.Add("signType", signType);
var sign = SmallUtil.GetSignString(signDic, smallConfig.wechatKey);
signDic.Add("paySign", sign);