-(void)viewDidLoad {
self.tableView = [[UITableView alloc]init];
self.tableView.delegate = self;
self.tableView.dataSource = self;
// self.tableView.emptyDataSetDelegate = self;
// self.tableView.emptyDataSetSource = self;
self.tableView.scrollsToTop = YES;
self.tableView.showsVerticalScrollIndicator = NO;//隐藏垂直方向滑动条
self.tableView.rowHeight = UITableViewAutomaticDimension;
self.tableView.estimatedRowHeight = 100;//预编译行高 提高cell创建效率
self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;//cell不显示分割线
self.tableView.separatorColor = [UIColor orangeColor];//cell线的颜色
self.tableView.tableFooterView = [UIImageView new];
[self.tableView setLayoutMargins:UIEdgeInsetsZero];//分割线
self.tableView.contentInset = UIEdgeInsetsMake(0, 0,59, 0);//滚动范围
// if (self.isOpenHeaderRefresh){//是否开启下拉刷新
// __weak typeof(self)weakSelf = self;
// self.tabView.mj_header = [MJRefreshNormalHeader headerWithRefreshingBlock:^{
// [weakSelf refreshData];
// }];
// }
//
// if (self.isOpenFooterRefresh){//是否开启上啦加载
// __weak typeof(self)weakSelf = self;
// self.tabView.mj_footer = [MJRefreshAutoStateFooter footerWithRefreshingBlock:^{
// [weakSelf loadMoreData];
// }];
// }
[self.view addSubview:self.tableView];
[self.tableView mas_makeConstraints:^(MASConstraintMaker *make) {
make.edges.equalTo(self.view).with.insets(UIEdgeInsetsMake(0, 0, 0, 0));
}];
}
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
if (indexPath.row==0) {
HomeMoreCell *cell = [tableView dequeueReusableCellWithIdentifier:@"HomeMoreCell"];
if (!cell){
cell= [[[NSBundle mainBundle] loadNibNamed:@"HomeMoreCell" owner:self options:nil] lastObject];
[tableView registerNib:[UINib nibWithNibName:@"HomeMoreCell" bundle:nil] forCellReuseIdentifier:@"HomeMoreCell"];
}
return cell;
}
UITableViewCell* cell = [tableView dequeueReusableCellWithIdentifier:@"UITableViewCell"];
if (cell == nil) {
cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"UITableViewCell"];
}
return cell;
}
//绘制cell圆角
- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
if (!self.isCloseRoundedBorder) {
// 圆角弧度半径
CGFloat cornerRadius = 6.f;
// 设置cell的背景色为透明,如果不设置这个的话,则原来的背景色不会被覆盖
cell.backgroundColor = UIColor.clearColor;
cell.contentView.backgroundColor = UIColor.clearColor;
// 创建一个shapeLayer
CAShapeLayer *layer = [[CAShapeLayer alloc] init];
CAShapeLayer *backgroundLayer = [[CAShapeLayer alloc] init]; //显示选中
// 创建一个可变的图像Path句柄,该路径用于保存绘图信息
CGMutablePathRef pathRef = CGPathCreateMutable();
// 获取cell的size
// 第一个参数,是整个 cell 的 bounds, 第二个参数是距左右两端的距离,第三个参数是距上下两端的距离
CGRect bounds = CGRectInset(cell.bounds, 10,0);
// CGRectGetMinY:返回对象顶点坐标
// CGRectGetMaxY:返回对象底点坐标
// CGRectGetMinX:返回对象左边缘坐标
// CGRectGetMaxX:返回对象右边缘坐标
// CGRectGetMidX: 返回对象中心点的X坐标
// CGRectGetMidY: 返回对象中心点的Y坐标
// 这里要判断分组列表中的第一行,每组section的第一行,每组section的中间行
// CGPathAddRoundedRect(pathRef, nil, bounds, cornerRadius, cornerRadius);
NSInteger startIndex = indexPath.section==0?1:0;
if (indexPath.row == startIndex&&(indexPath.row == [tableView numberOfRowsInSection:indexPath.section]-1)) {
//一个区只有一个cell则4个角都为圆角
CGPathMoveToPoint(pathRef, nil, CGRectGetMinX(bounds), CGRectGetMaxY(bounds));
// 起始坐标为左下角,设为p,(CGRectGetMinX(bounds), CGRectGetMinY(bounds))为左上角的点,设为p1(x1,y1),(CGRectGetMidX(bounds), CGRectGetMinY(bounds))为顶部中点的点,设为p2(x2,y2)。然后连接p1和p2为一条直线l1,连接初始点p到p1成一条直线l,则在两条直线相交处绘制弧度为r的圆角。
CGPathAddArcToPoint(pathRef, nil, CGRectGetMinX(bounds), CGRectGetMinY(bounds), CGRectGetMidX(bounds), CGRectGetMinY(bounds), cornerRadius);
CGPathAddArcToPoint(pathRef, nil, CGRectGetMaxX(bounds), CGRectGetMinY(bounds), CGRectGetMaxX(bounds), CGRectGetMidY(bounds), cornerRadius);
CGPathAddArcToPoint(pathRef, nil, CGRectGetMaxX(bounds), CGRectGetMaxY(bounds), CGRectGetMidX(bounds), CGRectGetMaxY(bounds), cornerRadius);
CGPathAddArcToPoint(pathRef, nil, CGRectGetMinX(bounds), CGRectGetMaxY(bounds), CGRectGetMinX(bounds), CGRectGetMidY(bounds), cornerRadius);
// 终点坐标为左下角坐标点,把绘图信息都放到路径中去,根据这些路径就构成了一块区域了
CGPathAddLineToPoint(pathRef, nil, CGRectGetMinX(bounds), CGRectGetMaxY(bounds));
}else if(indexPath.row == startIndex){
//section第一个cell
// 初始起点为cell的左下角坐标
CGPathMoveToPoint(pathRef, nil, CGRectGetMinX(bounds), CGRectGetMaxY(bounds));
// 起始坐标为左下角,设为p,(CGRectGetMinX(bounds), CGRectGetMinY(bounds))为左上角的点,设为p1(x1,y1),(CGRectGetMidX(bounds), CGRectGetMinY(bounds))为顶部中点的点,设为p2(x2,y2)。然后连接p1和p2为一条直线l1,连接初始点p到p1成一条直线l,则在两条直线相交处绘制弧度为r的圆角。
CGPathAddArcToPoint(pathRef, nil, CGRectGetMinX(bounds), CGRectGetMinY(bounds), CGRectGetMidX(bounds), CGRectGetMinY(bounds), cornerRadius);
CGPathAddArcToPoint(pathRef, nil, CGRectGetMaxX(bounds), CGRectGetMinY(bounds), CGRectGetMaxX(bounds), CGRectGetMidY(bounds), cornerRadius);
// 终点坐标为右下角坐标点,把绘图信息都放到路径中去,根据这些路径就构成了一块区域了
CGPathAddLineToPoint(pathRef, nil, CGRectGetMaxX(bounds), CGRectGetMaxY(bounds));
}else if (indexPath.row == [tableView numberOfRowsInSection:indexPath.section]-1) {
//section最后一个cell
// 初始起点为cell的左上角坐标
CGPathMoveToPoint(pathRef, nil, CGRectGetMinX(bounds), CGRectGetMinY(bounds));
CGPathAddArcToPoint(pathRef, nil, CGRectGetMinX(bounds), CGRectGetMaxY(bounds), CGRectGetMidX(bounds), CGRectGetMaxY(bounds), cornerRadius);
CGPathAddArcToPoint(pathRef, nil, CGRectGetMaxX(bounds), CGRectGetMaxY(bounds), CGRectGetMaxX(bounds), CGRectGetMidY(bounds), cornerRadius);
// 添加一条直线,终点坐标为右下角坐标点并放到路径中去
CGPathAddLineToPoint(pathRef, nil, CGRectGetMaxX(bounds), CGRectGetMinY(bounds));
} else {
// 添加cell的rectangle信息到path中(不包括圆角) 中间的cell
CGPathAddRect(pathRef, nil, bounds);
}
// 把已经绘制好的可变图像路径赋值给图层,然后图层根据这图像path进行图像渲染render
layer.path = pathRef;
backgroundLayer.path = pathRef;
// 注意:但凡通过Quartz2D中带有creat/copy/retain方法创建出来的值都必须要释放
CFRelease(pathRef);
// 按照shape layer的path填充颜色,类似于渲染render
// layer.fillColor = [UIColor colorWithWhite:1.f alpha:0.8f].CGColor;
layer.fillColor = [UIColor whiteColor].CGColor;
// view大小与cell一致
UIView *roundView = [[UIView alloc] initWithFrame:bounds];
// 添加自定义圆角后的图层到roundView中
[roundView.layer insertSublayer:layer atIndex:0];
roundView.backgroundColor = UIColor.clearColor;
// cell的背景view
cell.backgroundView = roundView;
// 以上方法存在缺陷当点击cell时还是出现cell方形效果,因此还需要添加以下方法
// 如果你 cell 已经取消选中状态的话,那以下方法是不需要的.
UIView *selectedBackgroundView = [[UIView alloc] initWithFrame:bounds];
backgroundLayer.fillColor = [UIColor clearColor].CGColor;//cell选中颜色
[selectedBackgroundView.layer insertSublayer:backgroundLayer atIndex:0];
selectedBackgroundView.backgroundColor = UIColor.clearColor;
cell.selectedBackgroundView = selectedBackgroundView;
if(indexPath.row==0&&indexPath.section==0) {
//设置cell分割线距离屏幕边距的问题
if ([cell respondsToSelector:@selector(setLayoutMargins:)]) {
[cell setLayoutMargins:UIEdgeInsetsMake(0,SCREEN_WIDTH, 0, 0)];
}
if ([cell respondsToSelector:@selector(setSeparatorInset:)]) {
[cell setSeparatorInset:UIEdgeInsetsMake(0,SCREEN_WIDTH, 0, 0)];
}
}else{
//设置cell分割线距离屏幕边距的问题
if ([cell respondsToSelector:@selector(setLayoutMargins:)]) {
[cell setLayoutMargins:UIEdgeInsetsMake(0, 20, 0, 20)];
}
if ([cell respondsToSelector:@selector(setSeparatorInset:)]) {
[cell setSeparatorInset:UIEdgeInsetsMake(0,20, 0, 20)];
}
}
if ([cell isKindOfClass:[CommonBorderInputViewCell class]]||[cell isKindOfClass:[CommonSelectCommentCell class]]) {
//设置cell分割线距离屏幕边距的问题
if ([cell respondsToSelector:@selector(setLayoutMargins:)]) {
[cell setLayoutMargins:UIEdgeInsetsMake(0, SCREEN_WIDTH, 0, 0)];
}
if ([cell respondsToSelector:@selector(setSeparatorInset:)]) {
[cell setSeparatorInset:UIEdgeInsetsMake(0,SCREEN_WIDTH, 0, 0)];
}
}
}
}
#pragma mark - DZNEmptyDataSetSource Methods
-(UIImage*)imageForEmptyDataSet:(UIScrollView *)scrollView
{
return [UIImage imageNamed:@"bg_noData"];
}
- (UIColor*)backgroundColorForEmptyDataSet:(UIScrollView*)scrollView
{
return [UIColor whiteColor];
}
-(void)emptyDataSet:(UIScrollView *)scrollView didTapView:(UIView *)view{
}