iOS 判断字符串中含有某个字符串 rangeOfString
2016-08-25 15:24
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iOS 判断字符串中含有某个字符串 rangeOfString
//判断roadTitleLab.text 是否含有qingjoin if([roadTitleLab.text rangeOfString:@”qingjoin”].location !=NSNotFound)//_roaldSearchText { NSLog(@”yes”);
} else {
NSLog(@”no”);
}
———————————————————————————————————————
GCD 写的 倒计时
double delayInSeconds = 30.0;
//判断roadTitleLab.text 是否含有qingjoin if([roadTitleLab.text rangeOfString:@”qingjoin”].location !=NSNotFound)//_roaldSearchText { NSLog(@”yes”);
} else {
NSLog(@”no”);
}
———————————————————————————————————————
GCD 写的 倒计时
double delayInSeconds = 30.0;
dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayInSeconds * NSEC_PER_SEC)); dispatch_after(popTime, dispatch_get_main_queue(), ^(void){ NSLog(@"Bluetooth scan for 30 seconds"); [self.manager stopScan]; });
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