//動態(tài)計算高度
?NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:self.contentL.text];
? NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
? paragraphStyle.lineSpacing=5.0;// 調(diào)整行間距
? ? NSRangerange =NSMakeRange(0, [self.contentL.textlength]);
? ? ? [attributedString addAttribute:NSParagraphStyleAttributeNamevalue:paragraphStylerange:range];
?self.contentL.attributedText= attributedString;
?CGSize size = [self workOutSizeHeightWithString:self.contentL.text fontSize:[UIFont systemFontOfSize:12] value:[NSValue valueWithCGSize:CGSizeMake(SWIDTH-30, MAXFLOAT)] lineSpace:5.0];
? ?self.contentL.height= size.height;
- (CGSize)workOutSizeHeightWithString:(NSString*)string fontSize:(UIFont*)fontSize value:(NSValue*)value lineSpace:(CGFloat)space{
? ? NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
? ? paragraphStyle.lineSpacing= space;? // 段落高度
? ? NSMutableAttributedString *attributes = [[NSMutableAttributedString alloc] initWithString:string];
? ? [attributes addAttribute:NSFontAttributeNamevalue:fontSize range:NSMakeRange(0, string.length)];
? ? [attributes addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, string.length)];
? ? CGSize size = [attributes boundingRectWithSize:[value CGSizeValue] options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading context:nil].size;
? ? //? ? }
? ? return?size;
}
