//动态计算高度
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:self.contentL.text];
NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
paragraphStyle.lineSpacing=5.0;// 调整行间距
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;
}
