我想做以下事情
[controller setMessageBody:[NSString stringWithFormat:@"<strong>%@</strong> <br> <br> %@ <br><br> %@ <br><br> Sent From MyApp",self.articleTitle, self.articleDescription, self.articleURL]
isHTML:YES];
在最后 %@ 我想做<a href="%@">Hello</a>
但我不确定如何正确逃避它?