UITextView中設置頁邊距

1     NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
2     paragraphStyle.headIndent = 10.0;
3     paragraphStyle.firstLineHeadIndent = 10.0;
4     paragraphStyle.tailIndent = -10.0;
5     NSDictionary *attrsDictionary = @{NSFontAttributeName: [UIFont fontWithName:@"Helvetica Neue" size:14.0], NSParagraphStyleAttributeName: paragraphStyle};
6     self.contentTextView.attributedText = [[NSAttributedString alloc] initWithString:kSHContent attributes:attrsDictionary];