微信支付一直给我报支付验证签名失败，怎么解决？？？？

[qq_34589430]

#pragma mark - 微信支付
/*
colorbeans 用户购买彩豆数
*/
- (NSString *)appWxpay :(NSString *)colorbeanstype :(NSString *)colorbeans :(NSString *)callback{
AppDelegate *appdelegate = (AppDelegate *)[[UIApplication sharedApplication]delegate];
NSString *jsda =[[NSString alloc]init];
NSRange loran = [appdelegate.login rangeOfString:@"YES"];
NSArray* array;
if(loran.length > 0){
if(colorbeans.length > 0){
NSString *deviceIP =[self getIPAddress];
array= [NSArray arrayWithObjects:@"xyjJspname",@"Colorbean",@"xyjid",@"GMColorbeanWithWxpay",@"userid",appdelegate.userid,@"colorbeans",colorbeans,@"colorbeanstype",colorbeanstype,@"userip",deviceIP,nil];
Server *postSv = [[Server alloc]init];
NSArray *backDate = [postSv postServerY:array];
if([backDate[0] isEqualToString:@"true"]){
NSDictionary *ncD = backDate[1];
appdelegate.partnerid =[ncD objectForKey:@"partnerid"];
appdelegate.prepayid =[ncD objectForKey:@"prepayid"];
appdelegate.timestamp =[self getNowTimeTimestamp];
appdelegate.noncestr =[self nonceStr];
appdelegate.package =@"Sign=WXPay";
appdelegate.out_trade_no =[ncD objectForKey:@"out_trade_no"];
appdelegate.type =[ncD objectForKey:@"type"];
appdelegate.sign =[self signCreat];
PayReq *request = [[PayReq alloc] init];
request.openID = appdelegate.appid;
request.partnerId = appdelegate.partnerid ;
request.prepayId = appdelegate.prepayid;
request.package = appdelegate.package;
request.nonceStr = appdelegate.noncestr;
request.timeStamp = [appdelegate.timestamp intValue];
request.sign = appdelegate.sign;
[WXApi sendReq:request];
}
return jsda;
}
#pragma mark - Sign签名的生成
-(NSString *)signCreat{
AppDelegate *appdelegate = (AppDelegate *)[[UIApplication sharedApplication]delegate];
NSMutableDictionary *stringB =[NSMutableDictionary dictionary];
[stringB setObject:appdelegate.appid forKey:@"appid"];
[stringB setObject:appdelegate.noncestr forKey:@"noncestr"];
[stringB setObject:appdelegate.package forKey:@"package"];
[stringB setObject:appdelegate.partnerid forKey:@"partnerid"];
[stringB setObject:appdelegate.prepayid forKey:@"prepayId"];
[stringB setObject:[NSString stringWithFormat:@"%@",appdelegate.timestamp] forKey:@"timestamp"];
NSArray *keys =[stringB allKeys];
NSArray *sortedkeys =[keys sortedArrayUsingComparator:^NSComparisonResult(id _Nonnull obj1, id _Nonnull obj2) {
return [obj1 compare:obj2 options:NSNumericSearch];
}];
NSMutableString *sign1 =[NSMutableString string];
for (NSString * key in sortedkeys) {
[sign1 appendString:key];
[sign1 appendString:@"="];
[sign1 appendString:[stringB objectForKey:key]];
[sign1 appendString:@"&"];
}
NSString * api= [NSString stringWithFormat:@"key=%@",appdelegate.api];
NSString * stringA =[NSString stringWithFormat:@"%@%@",sign1,api];
NSString *result = [StringMD sha1:stringA];
NSString * signmd=[StringMD stringToMD5:result];
NSString *sign = [[signmd uppercaseString]stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
return sign;
}
#pragma mark - 获取随机字符串
- (NSString *)nonceStr{
NSString *string = [[NSString alloc]init];
for (int i = 0; i < 32; i++) {
int number = arc4random() % 36;
if (number < 10) {
int figure = arc4random() % 10;
NSString *tempString = [NSString stringWithFormat:@"%d", figure];
string = [string stringByAppendingString:tempString];
}else {
int figure = (arc4random() % 26) + 97;
char character = figure;
NSString *tempString = [NSString stringWithFormat:@"%c", character];
string = [string stringByAppendingString:tempString];
}
}
// 把字符串全部转化为大写
NSString *str = [[string uppercaseString]stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
return string ;
}
#pragma mark - 获取当前时间戳 （以毫秒为单位）
-(NSString *)getNowTimeTimestamp{
NSDateFormatter *formatter = [[NSDateFormatter alloc] init] ;
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss Z"];
// ----------设置你想要的格式,hh与HH的区别:分别表示12小时制,24小时制
//设置时区,这个对于时间的处理有时很重要
NSTimeZone* timeZone = [NSTimeZone timeZoneWithName:@""];
[formatter setTimeZone:timeZone];
NSDate *datenow = [NSDate date];//现在时间,你可以输出来看下是什么格式
NSString *timeSp = [NSString stringWithFormat:@"%ld", (long)[datenow timeIntervalSince1970]];
return [timeSp stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
}