IOS set Uilabel line spacing and self-adapting height

NSString *contentstr = @ "always thought, in the original place, there is a most original me, will also have a most original you";    UILabel *templabel = [[UILabel alloc] init];    Set background Color Templabel.backgroundcolor = [Uicolor Redcolor];    Set content Templabel.text = Contentstr;    Set Font Color Templabel.textcolor = [Uicolor Whitecolor];    Set Font Size Templabel.font = [Uifont systemfontofsize:15.0];    Sets whether the text is multiple lines templabel.numberoflines = 0;    Templabel.linebreakmode = nslinebreakbywordwrapping;    Set Uilabel according to the text adaptive height cgsize size = [Templabel sizethatfits:cgsizemake (maxfloat)];    Set Frame Templabel.frame = CGRectMake (+, +, size.height);    [Self.view Addsubview:templabel]; Set the line spacing of the label nsmutableattributedstring *attributedstring = [[Nsmutableattributedstring alloc] initwithstring:    CONTENTSTR];    Nsmutableparagraphstyle *paragraphstyle = [[Nsmutableparagraphstyle alloc] init];    [Paragraphstyle Setlinespacing:8]; [Attributedstring addattribute:nsparagraphstyleattributename Value:paragraphstyle Range:NSMakeRange(0, [contentstr length])];    [Templabel setattributedtext:attributedstring]; [Templabel SizeToFit];

IOS set Uilabel line spacing and self-adapting height