UITableView实现格瓦拉飞天投票模块

正文

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{

//根据数据算出每行cell的实际高度

_title = title;

CGFloat title_H = [title boundingRectWithSize:CGSizeMake(ZFVoteTableViewMax_W - percentLable_W - thumbUpView_WH - 85, 100)

options:NSStringDrawingUsesFontLeading|NSStringDrawingUsesLineFragmentOrigin

attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:15.0]}

context:nil].size.height;

self.voteCell_H = title_H + 30;

}

设置cell的内边距离及x值，利用setFrame：方法改变原来父类算好的frame实现cell有内边距离，达到实现相邻两条cell不连接在一起的效果

-(void)setFrame:(CGRect)frame{

if (frame.size.width == ZFVoteTableViewMax_W) {//初始化就设置cell的内边距

frame = UIEdgeInsetsInsetRect(frame,

UIEdgeInsetsMake(ZFVoteCellTopBottomInset,

ZFVoteCellLeftRightInset,

ZFVoteCellTopBottomInset,

ZFVoteCellLeftRightInset));

}else{//重复利用的时候改变它的x值

frame.origin.x += ZFVoteCellLeftRightInset;

}

[super setFrame:frame];

}

创建投票主控件并添加到cell上，投票主控件就是所有要展示动画效果的控件集合，有cell了为什么还需要它，其实说白了它就是打酱油的，只是为了呈现动画的一种载体，在看下面一条就了解了

-(void)initSubviews{

ZFPercentBar *bar = [[ZFPercentBar alloc]initWithFrame:self.bounds];

self.bar = bar;

[self addSubview:bar];

UIImageView *thumbUpView = [[UIImageView alloc]init];

self.thumbUpView = thumbUpView;

[self addSubview:thumbUpView];

UILabel *percentLable = [UILabel labelWithFont:[UIFont systemFontOfSize:13.0]

textColor:[UIColor lightGrayColor]

textAlignment:NSTextAlignmentRight

numberOfLines:1];

self.percentLable = percentLable;

[self addSubview:percentLable];

UILabel *voteLabel = [UILabel labelWithFont:[UIFont systemFontOfSize:15.0]

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