去掉首尾空格
NSString *str = [orderString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
替换字符 (将空格替换为无,即为去掉字符串中所有的空格)
NSString *str = [orderString stringByReplacingOccurrencesOfString:@" " withString:@""];
去掉首尾空格
NSString *str = [orderString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
替换字符 (将空格替换为无,即为去掉字符串中所有的空格)
NSString *str = [orderString stringByReplacingOccurrencesOfString:@" " withString:@""];
本文标题:去掉空格、替换字符
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