iOS7扁平化設(shè)計(jì)已經(jīng)成為了一個(gè)趨勢基于對(duì)老版本的臨時(shí)修改UITableView在sytle是group的時(shí)候是個(gè)×××煩沒辦法改就改吧。

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    直接用圖片的方式是最簡單的設(shè)置一個(gè)背景圖拖一個(gè)UIImageView到你的Custom Cell中去設(shè)置普通和高亮情況下的p_w_picpath針對(duì)iOS7修改內(nèi)部元素的frame設(shè)置默認(rèn)的北京view為空代碼如下

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    ...........
    UIView *testView2 = [[UIView alloc] init];
    testView2.backgroundColor = UIColor.clearColor;
    cell.selectedBackgroundView = testView2;
    ......
}

這樣基本就OK了。

    我在另一個(gè)文章里看到的方法確實(shí)通過自己寫代碼來實(shí)現(xiàn)大部分功能我覺得相對(duì)比較好但是很多陰影效果還是需要在研究研究的。主要是修改custom cell的setFrame,和修改tableview的

willDisplayCell來看看這兩段代碼

//custom 重寫setFrame方法當(dāng)然該方法最好針對(duì)iOS7才有效。

#define IOS7_OR_LATER   ( [[[UIDevice currentDevice] systemVersion] compare:@"7.0"] != NSOrderedAscending )
- (void)setFrame:(CGRect)frame {
    if (IOS7_OR_LATER) {
        NSInteger inset = 10;
        frame.origin.x += inset;
        frame.size.width -= 2 * inset;
    }
    [super setFrame:frame];
}

然后寫UITableViewDelegate的回調(diào)函數(shù)

- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
    if ([cell respondsToSelector:@selector(tintColor)]) {
        if (tableView == self.vTableView) {
            CGFloat cornerRadius = 10.f;
            cell.backgroundColor = UIColor.clearColor;
            CAShapeLayer *layer = [[CAShapeLayer alloc] init];
            CAShapeLayer *borderLayer = [[CAShapeLayer alloc] init];
            CAShapeLayer *selectedLayer = [[CAShapeLayer alloc] init];
                           
            CGMutablePathRef borderPathRef = CGPathCreateMutable();
            CGRect bounds0 = CGRectInset(cell.bounds, 0, 0);
            NSLog(@"bound0:%@",NSStringFromCGRect(cell.frame));
            if (indexPath.row == 0 && indexPath.row == [tableView numberOfRowsInSection:indexPath.section]-1) {
                CGPathAddRoundedRect(borderPathRef, nil, bounds0, cornerRadius, cornerRadius);
            } else if (indexPath.row == 0) {
                CGPathMoveToPoint(borderPathRef, nil, CGRectGetMinX(bounds0), CGRectGetMaxY(bounds0));//left bottom
                CGPathAddArcToPoint(borderPathRef, nil, CGRectGetMinX(bounds0), CGRectGetMinY(bounds0), CGRectGetMidX(bounds0), CGRectGetMinY(bounds0), cornerRadius);
                CGPathAddArcToPoint(borderPathRef, nil, CGRectGetMaxX(bounds0), CGRectGetMinY(bounds0), CGRectGetMaxX(bounds0), CGRectGetMidY(bounds0), cornerRadius);
                CGPathAddLineToPoint(borderPathRef, nil, CGRectGetMaxX(bounds0), CGRectGetMaxY(bounds0));
            } else if (indexPath.row == [tableView numberOfRowsInSection:indexPath.section]-1) {
                CGPathMoveToPoint(borderPathRef, nil, CGRectGetMinX(bounds0), CGRectGetMinY(bounds0));//left top
                CGPathAddArcToPoint(borderPathRef, nil, CGRectGetMinX(bounds0), CGRectGetMaxY(bounds0), CGRectGetMidX(bounds0), CGRectGetMaxY(bounds0), cornerRadius);
                CGPathAddArcToPoint(borderPathRef, nil, CGRectGetMaxX(bounds0), CGRectGetMaxY(bounds0), CGRectGetMaxX(bounds0), CGRectGetMidY(bounds0), cornerRadius);
                CGPathAddLineToPoint(borderPathRef, nil, CGRectGetMaxX(bounds0), CGRectGetMinY(bounds0));
            } else {
                CGPathAddRect(borderPathRef, nil, CGRectInset(cell.bounds, 0, 1));
            }
            borderLayer.path = borderPathRef;
            CFRelease(borderPathRef);
            cornerRadius = 7.f;
            CGMutablePathRef pathRef = CGPathCreateMutable();
            CGRect bounds = CGRectInset(cell.bounds, 1, 1);
            BOOL addLine = NO;
            if (indexPath.row == 0 && indexPath.row == [tableView numberOfRowsInSection:indexPath.section]-1) {
                CGPathAddRoundedRect(pathRef, nil, bounds, cornerRadius, cornerRadius);
            } else if (indexPath.row == 0) {
                CGPathMoveToPoint(pathRef, nil, CGRectGetMinX(bounds), CGRectGetMaxY(bounds0));
                CGPathAddArcToPoint(pathRef, nil, CGRectGetMinX(bounds), CGRectGetMinY(bounds), CGRectGetMidX(bounds), CGRectGetMinY(bounds), cornerRadius);
                CGPathAddArcToPoint(pathRef, nil, CGRectGetMaxX(bounds), CGRectGetMinY(bounds), CGRectGetMaxX(bounds), CGRectGetMidY(bounds), cornerRadius);
                CGPathAddLineToPoint(pathRef, nil, CGRectGetMaxX(bounds), CGRectGetMaxY(bounds0));
                addLine = YES;
            } else if (indexPath.row == [tableView numberOfRowsInSection:indexPath.section]-1) {
                CGPathMoveToPoint(pathRef, nil, CGRectGetMinX(bounds), CGRectGetMinY(bounds0));
                CGPathAddArcToPoint(pathRef, nil, CGRectGetMinX(bounds), CGRectGetMaxY(bounds), CGRectGetMidX(bounds), CGRectGetMaxY(bounds), cornerRadius);
                CGPathAddArcToPoint(pathRef, nil, CGRectGetMaxX(bounds), CGRectGetMaxY(bounds), CGRectGetMaxX(bounds), CGRectGetMidY(bounds), cornerRadius);
                CGPathAddLineToPoint(pathRef, nil, CGRectGetMaxX(bounds), CGRectGetMinY(bounds0));
            } else {
                CGPathAddRect(pathRef, nil, CGRectInset(cell.bounds, 1, 0));
                addLine = YES;
            }
            layer.path = pathRef;
            selectedLayer.path = pathRef;
            CFRelease(pathRef);
            layer.fillColor = [UIColor whiteColor].CGColor;
            selectedLayer.fillColor = [UIColor redColor].CGColor;
                           
            borderLayer.zPosition = 0.0f;
            borderLayer.strokeColor = [UIColor blueColor].CGColor;
            borderLayer.lineWidth = 1;
            borderLayer.lineCap = kCALineCapRound;
            borderLayer.lineJoin = kCALineJoinRound;
                           
            [borderLayer addSublayer:layer];
                           
            if (addLine == YES) {
                CALayer *lineLayer = [[CALayer alloc] init];
                CGFloat lineHeight = (1.f / [UIScreen mainScreen].scale);
                lineLayer.frame = CGRectMake(CGRectGetMinX(bounds)+1, bounds0.size.height-lineHeight, bounds0.size.width-2, lineHeight);
                lineLayer.backgroundColor = tableView.separatorColor.CGColor;
                [layer addSublayer:lineLayer];
            }
            //add general view
            UIView *testView = [[UIView alloc] initWithFrame:bounds];
            [testView.layer insertSublayer:borderLayer atIndex:0];
            testView.backgroundColor = UIColor.clearColor;
            cell.backgroundView = testView;
                           
            //add selected layer view;
            UIView *testView2 = [[UIView alloc] initWithFrame:bounds];
            [testView2.layer insertSublayer:selectedLayer atIndex:0];
            testView2.backgroundColor = UIColor.clearColor;
            cell.selectedBackgroundView = testView2;
        }
    }
}

代碼至此結(jié)束看看最終的效果圖吧

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