NSString *str = @"https://piao.o2o.cmbchina.com/cmblife_fanpiao/storeDetail?strNo=9919122300941";
NSURL *url = [NSURL URLWithString:str];
NSString *queryString = [url query];
NSString *str = @"https://piao.o2o.cmbchina.com/cmblife_fanpiao/storeDetail?strNo=9919122300941";
NSURL *url = [NSURL URLWithString:str];
NSString *queryString = [url query];