答案 0 :(得分:1)
您似乎想删除所有空格,请尝试以下操作:
NSData *data = [NSJSONSerialization dataWithJSONObject:dic options:0 error:nil];
NSString *jsonString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
jsonString = [jsonString stringByReplacingOccurrencesOfString:@"\\s"
withString:@""
options:NSRegularExpressionSearch
range:NSMakeRange(0, [jsonString length])];