NSString *strUrl = [urlString stringByReplacingOccurrencesOfString:@" " withString:@""]; 去掉空格
NSString *strUrl = [urlString stringByReplacingOccurrencesOfString:@" " withString:@"/"];替换字符
NSString *strUrl = [urlString stringByReplacingOccurrencesOfString:@" " withString:@""]; 去掉空格
NSString *strUrl = [urlString stringByReplacingOccurrencesOfString:@" " withString:@"/"];替换字符
本文标题：iOS 字符串的操作，去掉某一个字符或者替换成其他字符
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