2016.12.7
NSString*text = [self.dataArrobjectAtIndex:indexPath.section];
CGFloatwidth =SCREEN_WIDTH-30;//距左右各15
UIFont*font = [UIFontsystemFontOfSize:12];
NSMutableAttributedString*attibutesString = [[NSMutableAttributedStringalloc]initWithString:text];
NSMutableParagraphStyle*paraghStyle =[[NSMutableParagraphStylealloc]init];
[paraghStylesetLineSpacing:10];
[attibutesStringaddAttribute:NSParagraphStyleAttributeNamevalue:paraghStylerange:NSMakeRange(0, text.length)];
// _labelText.attributedText = attibutesString;
//在这传进去字体和行距
NSDictionary*attribute =@{NSFontAttributeName:font,NSParagraphStyleAttributeName:paraghStyle};
CGSizesize = [textboundingRectWithSize:CGSizeMake(width,MAXFLOAT)options:NSStringDrawingUsesLineFragmentOriginattributes:attributecontext:nil].size;
returnsize.height+30;
//返回高度
