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  • iOS实现根据返回数据改变cell元素的坐标位置

    实现类似于一下设计稿的需求:

    其中 认证 商铺 资质 这三个控件会根据后端数据来决定是否会显示.其中任何一个都有可能没有

    我们可以在VC中的cellForRow方法里面编写代码,通过判断来改变控件的位置,但是将代码全部写入VC中显得过于繁杂,我们可以参照改变cell中label的高度的方法,将改变的方法写到自定义cell中

    可以看下下面的代码:

    1,写在VC中的代码

    - (void)viewDidLoad {
        [super viewDidLoad];
        self.view.backgroundColor = BGROUND_COLOR;
        self.title = @"测试cell";
        
        _testArray = @[@[@"0",@"1",@"1"],@[@"1",@"0",@"1"],@[@"1",@"1",@"0"],@[@"0",@"0",@"1"],@[@"1",@"0",@"0"],@[@"0",@"1",@"0"]];
        
        _testTableView = [[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStylePlain];
        _testTableView.dataSource = self;
        _testTableView.delegate = self;
        [self.view addSubview:_testTableView];
    }
    
    #pragma mark - <UITableViewDelegate,UITableViewDataSource>
    
    - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
        return _testArray.count;
    }
    
    - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
        static NSString *cellString = @"cellString";
        TestTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellString];
        if (!cell) {
            cell = [[TestTableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellString];
        }
        NSArray *arr = _testArray[indexPath.row];
        [cell moveViewWithLeft:arr[0] mid:arr[1] right:arr[2]];
        
        cell.leftLabel.text = @"左侧";
        cell.midLabel.text = @"中间";
        cell.rightLabel.text = @"右侧";
        
        return cell;
    }
    
    - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
        return 110;
    }

    自定义cell的代码

    @property (nonatomic, strong) UIView *leftView;
    @property (nonatomic, strong) UILabel *leftLabel;
    
    @property (nonatomic, strong) UIView *midView;
    @property (nonatomic, strong) UILabel *midLabel;
    
    @property (nonatomic, strong) UIView *rightView;
    @property (nonatomic, strong) UILabel *rightLabel;
    
    @property (nonatomic, strong) UIView *tempView;
    
    - (void)moveViewWithLeft:(NSString *)left mid:(NSString *)mid right:(NSString *)right;
    -(instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{
        self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
        if (self) {
            self.leftView = [[UIView alloc] initWithFrame:CGRectMake(10, 10, 100, 40)];
            self.leftView.backgroundColor = [UIColor redColor];
            self.leftView.clipsToBounds = YES;
            [self addSubview:self.leftView];
            
            self.leftLabel = [[UILabel alloc] initWithFrame:self.leftView.bounds];
            self.leftLabel.textColor = [TncTool colorWithHexString:@"333333"];
            self.leftLabel.textAlignment = 1;
            self.leftLabel.font = [UIFont systemFontOfSize:15];
            [self.leftView addSubview:self.leftLabel];
            
            self.midView = [[UIView alloc] initWithFrame:CGRectMake(self.leftView.right + 10, 10, 100, 40)];
            self.midView.backgroundColor = [UIColor blueColor];
            self.midView.clipsToBounds = YES;
            [self addSubview:self.midView];
            
            self.midLabel = [[UILabel alloc] initWithFrame:self.midView.bounds];
            self.midLabel.textColor = [TncTool colorWithHexString:@"333333"];
            self.midLabel.textAlignment = 1;
            self.midLabel.font = [UIFont systemFontOfSize:15];
            [self.midView addSubview:self.midLabel];
            
            self.rightView = [[UIView alloc] initWithFrame:CGRectMake(self.midView.right + 10, 10, 100, 40)];
            self.rightView.backgroundColor = [UIColor yellowColor];
            self.rightView.clipsToBounds = YES;
            [self addSubview:self.rightView];
            
            self.rightLabel = [[UILabel alloc] initWithFrame:self.rightView.bounds];
            self.rightLabel.textColor = [TncTool colorWithHexString:@"333333"];
            self.rightLabel.textAlignment = 1;
            self.rightLabel.font = [UIFont systemFontOfSize:15];
            [self.rightView addSubview:self.rightLabel];
            
            self.tempView = [[UIView alloc] initWithFrame:CGRectMake(10, 60, WINDOW_WIDTH - 20, 40)];
            self.tempView.backgroundColor = [UIColor purpleColor];
            [self addSubview:self.tempView];
        }
        return self;
    }
    
    - (void)moveViewWithLeft:(NSString *)left mid:(NSString *)mid right:(NSString *)right{
        if ([left isEqualToString:@"0"]) {
            if ([mid isEqualToString:@"0"]) {
                if ([right isEqualToString:@"0"]) {
                    self.leftView.frame = CGRectMake(0, 0, 0, 0);
                    self.midView.frame = CGRectMake(0, 0, 0, 0);
                    self.rightView.frame = CGRectMake(0, 0, 0, 0);
                    
                }else{
                    self.leftView.frame = CGRectMake(0, 0, 0, 0);
                    self.midView.frame = CGRectMake(0, 0, 0, 0);
                    self.rightView.frame = CGRectMake(self.midView.right + 10, 10, 100, 40);
                }
                
            }else{
                if ([right isEqualToString:@"0"]) {
                    self.leftView.frame = CGRectMake(0, 0, 0, 0);
                    self.midView.frame = CGRectMake(10, 10, 100, 40);
                    self.rightView.frame = CGRectMake(0, 0, 0, 0);
                    
                }else{
                    self.leftView.frame = CGRectMake(0, 0, 0, 0);
                    self.midView.frame = CGRectMake(10, 10, 100, 40);
                    self.rightView.frame = CGRectMake(self.midView.right + 10, 10, 100, 40);
                }
            }
            
        }else{
            if ([mid isEqualToString:@"0"]) {
                if ([right isEqualToString:@"0"]) {
                    self.leftView.frame = CGRectMake(10, 10, 100, 40);
                    self.midView.frame = CGRectMake(0, 0, 0, 0);
                    self.rightView.frame = CGRectMake(0, 0, 0, 0);
                    
                }else{
                    self.leftView.frame = CGRectMake(10, 10, 100, 40);
                    self.midView.frame = CGRectMake(0, 0, 0, 0);
                    self.rightView.frame = CGRectMake(self.leftView.right + 10, 10, 100, 40);
                }
                
            }else{
                if ([right isEqualToString:@"0"]) {
                    self.leftView.frame = CGRectMake(10, 10, 100, 40);
                    self.midView.frame = CGRectMake(self.leftView.right + 10, 10, 100, 40);
                    self.rightView.frame = CGRectMake(0, 0, 0, 0);
                    
                }else{
                    self.leftView.frame = CGRectMake(10, 10, 100, 40);
                    self.midView.frame = CGRectMake(self.leftView.right + 10, 10, 100, 40);
                    self.rightView.frame = CGRectMake(self.midView.right + 10, 10, 100, 40);
                }
            }
        }
    }

    最后效果:

    简直简单的一腿儿~

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  • 原文地址:https://www.cnblogs.com/nsjelly/p/7009136.html
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