- (BOOL)joinGroup:(NSString *)groupUin key:(NSString *)key{
NSString *urlStr = [NSString stringWithFormat:@"mqqapi://card/show_pslcard?src_type=internal&version=1&uin=%@&key=%@&card_type=group&source=external", @"617962111",@"2cdc33860078dd95e7d8ac249e58efbb9ec8bc82b59c5a33c37087efc73fd201"];
NSURL *url = [NSURL URLWithString:urlStr];
if([[UIApplication sharedApplication] canOpenURL:url]){
[[UIApplication sharedApplication] openURL:url];
return YES;
}
else return NO;
}