if ([title hasPrefix:@" "]) {
title = [title stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];//去掉前后空格
}else if([title hasPrefix:@"\n"]){
title = [title stringByTrimmingCharactersInSet:[NSCharacterSet newlineCharacterSet]];//去掉前后回车键
}else{
title = [title stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];//去掉前后空格+回车键
title = [NSString stringWithFormat:@"%@",headLinesModel.title];
}
来源: http://www.bubuko.com/infodetail-2003189.html