iOS app跳轉(zhuǎn)支付寶
NSString *str = @"alipay://支付寶key";
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]];
iOS app跳轉(zhuǎn)微信
NSString *str = @"weixin://微信key";
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]];