uilable根据字符串长度变化

? ? ? ? ? CGSize labelSize = [self.itemPrice1.textsizeWithFont:[UIFontsystemFontOfSize:13] constrainedToSize:CGSizeMake(175.0f, 2000.0f)? lineBreakMode:UILineBreakModeWordWrap];

?

? ? ? ? ? ? ? ? ? ??self.itemPrice1.frame = CGRectMake(130-labelSize.width-5, self.itemPrice1.frame.origin.y, labelSize.width+4, 13);