2012年5月4日
判断字符串为空和只为空格(ios)
+ (BOOL)isBlankString:(NSString *)string{if (string == nil) {returnYES;}if (string == NULL) {returnYES;}if ([string isKindOfClass:[NSNullclass]]) {returnYES;}if ([[string stringByTrimmingCharactersInSet:[NSCharacterSetwhitespaceAndNewlineCharacterSet]] length]==0) {returnYES;}returnNO;} Read More
posted @ 2012-05-04 09:51 leevaboo Views(543) Comments(0) Diggs(0)