动态计算自定义cell高度

1.计算文本的size：

/*

*简单计算textsize

*@param width传入特定的宽度

*@param font字体

*/

- (CGSize)sizeWithLabelWidth:(CGFloat)width font:(UIFont*)font;

- (CGSize)sizeWithLabelWidth:(CGFloat)width font:(UIFont*)font{

NSDictionary*dict=@{NSFontAttributeName: font};

CGRectrect=[selfboundingRectWithSize:CGSizeMake(width,MAXFLOAT)options:(NSStringDrawingUsesLineFragmentOrigin)attributes:dictcontext:nil];

CGFloatsizeWidth=ceilf(CGRectGetWidth(rect));

CGFloatsizeHieght=ceilf(CGRectGetHeight(rect));

returnCGSizeMake(sizeWidth, sizeHieght);

}

2.在自定义cell中，布置各个控件的frame

- (void)layoutSubviews{

[superlayoutSubviews];

//限制宽度

CGFloat statusLabelWidth =self.frame.size.width-20;

//根据实际内容，返回高度，

CGSize statusLabelSize = [self.titleLable.textsizeWithLabelWidth:statusLabelWidthfont:[UIFontsystemFontOfSize:17]];

//根据statusLabelSize设置各个空间的frame；

self.titleLable.frame=CGRectMake(10,5,self.bounds.size.width-20, statusLabelSize.height);

//分割线

UIView*view = [[UIViewalloc]initWithFrame:CGRectMake(5,statusLabelSize.height+140,self.bounds.size.width-10,0.5)];

view.backgroundColor= [UIColorgrayColor];

[self.contentViewaddSubview:view];

3.contrller中实现动态返回cell高度

- (CGFloat)tableView:(UITableView*)tableView heightForRowAtIndexPath:(NSIndexPath*)indexPath{

//文本内容

NSString*status =_titleArray[indexPath.row];

CGFloat statusLabelWidth =mScreenWidth-20;

CGSize statusSize = [statussizeWithLabelWidth:statusLabelWidthfont:[UIFontsystemFontOfSize:17]];

CGFloat iconHeight =140;//其他控件的高度

return statusSize.height + iconHeight;

}