iOS模仿京东商城中的选择地区样式

在ViewController文件中创建添加地址界面：
@property(nonatomic,strong)UILabel *selectAreaLabel;//地区显示
@property(nonatomic,strong)UITextField *nameTextF;//收货人
@property(nonatomic,strong)UITextField *phoneTextF;//联系方式
@property(nonatomic,strong)UITextField *addressTextF;//详细地址
@property(nonatomic,copy)NSString *switchStr;//选择按钮值
@property(nonatomic,strong)SelectAreaView *selectView;//选择地区视图
@property(nonatomic,strong)UIView *smallBgView;//选择地区下方白色区域
@property(nonatomic,strong)NSMutableArray *dataArray1;//地址列表数据

@property(nonatomic,strong)NSMutableArray *areaInfoArray;//返回地址相关信息

在数据请求成功后，添加半透明背景，添加可选择的地区列表：
if (success)
        {
            NSArray *itemArray = [[resultDic[@"ITEMS"] reverseObjectEnumerator] allObjects];
            for (NSDictionary *dic in itemArray)
            {
                [_dataArray1 addObject:dic];
            }
            _smallBgView = [[UIView alloc] initWithFrame:CGRectMake(0, f_Device_h, f_Device_w, f_Device_h)];
            _smallBgView.backgroundColor = [UIColor darkGrayColor];
            _smallBgView.alpha = 0.8;
            [self.view addSubview:_smallBgView];
            _selectView = [[SelectAreaView alloc] initWithProvinceList:CGRectMake(0, f_Device_h, f_Device_w, f_Device_h/3*2) dataArray:_dataArray1];
            [self.view addSubview:_selectView];
           

            [[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(downSmallBgView:) name:@"downSmallBgV" object:nil];
        }

添加一个通知实现当地区选择完成落下来后，执行的方法
#pragma mark --- 接收到通知
-(void)downSmallBgView:(NSNotification *)notifi
{
    [UIView beginAnimations:nil context:nil];
    [UIView setAnimationDuration:0.5];
    _smallBgView.frame = CGRectMake(0, f_Device_h, f_Device_w, f_Device_h);
    _selectView.frame = CGRectMake(0, f_Device_h, f_Device_w, f_Device_h/3*2);
    [UIView commitAnimations];
    
    NSDictionary *dic = [notifi userInfo];
    _areaInfoArray = [NSMutableArray arrayWithArray:dic[@"areaArray"]];
    if (_areaInfoArray.count > 0)
    {
        NSMutableString *muStr = [NSMutableString new];
        for (NSDictionary *areaDic in _areaInfoArray)
        {
            NSString *nameStr = areaDic[@"adName"];
            if (nameStr.length >0)
            {
                [muStr appendString:nameStr];
            }
        }
        _selectAreaLabel.text = muStr;
    }
    else
    {
        _selectAreaLabel.text = @"无";
    }
}
自定义一个选择视图
//初始化视图方法
-(id)initWithProvinceList:(CGRect)frame dataArray:(NSMutableArray *)aDataArray
{
    self = [super initWithFrame:frame];
    if (self)
    {
        self.backgroundColor = [UIColor whiteColor];
        self.itemDic = @{@"adCode":@"",@"adName":@"",@"id":@"",@"parentId":@""};
        self.areaMuArray = [NSMutableArray arrayWithObjects:_itemDic,_itemDic,_itemDic, nil];
        self.dataArray1 = [NSMutableArray arrayWithArray: aDataArray];
        self.dataArray2 = [NSMutableArray new];
        self.dataArray3 = [NSMutableArray new];
        
        UILabel *titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, f_Device_w, 40)];
        titleLabel.text = @"选择地区";
        titleLabel.textColor = [UIColor darkGrayColor];
        titleLabel.textAlignment = NSTextAlignmentCenter;
        titleLabel.font = [UIFont systemFontOfSize:15];
        [self addSubview:titleLabel];
        
        UIButton *closeBtn = [UIButton buttonWithType:UIButtonTypeCustom];
        closeBtn.frame = CGRectMake(f_Device_w-40, 5, 30, 30);
        [closeBtn setBackgroundImage:[UIImage imageNamed:@"close.png"] forState:UIControlStateNormal];
        [self addSubview:closeBtn];
        [closeBtn addTarget:self action:@selector(closeBtnClick:) forControlEvents:UIControlEventTouchUpInside];
        
        //省市区按钮
        for (int i = 0; i < 3; i ++)
        {
            UIButton *sBtn = [UIButton buttonWithType:UIButtonTypeCustom];
            sBtn.frame = CGRectMake(20+50*i, 45, 50, 29);
            if (i == 0)
            {
                [sBtn setTitle:@"请选择" forState:UIControlStateNormal];
            }
            sBtn.titleLabel.font = [UIFont systemFontOfSize:13];
            sBtn.titleLabel.adjustsFontSizeToFitWidth = YES;
            [sBtn setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
            sBtn.tag = i+10;
            [sBtn addTarget:self action:@selector(selectBtnClick:) forControlEvents:UIControlEventTouchUpInside];
            [self addSubview:sBtn];
        }
        
        //分割
        UIView *lineView = [[UIView alloc] initWithFrame:CGRectMake(0, 74, f_Device_w, 1)];
        lineView.backgroundColor = [UIColor lightGrayColor];
        [self addSubview:lineView];
        
        _scrollV = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 75, f_Device_w, f_Device_h-f_Device_h/3-75)];
        _scrollV.showsHorizontalScrollIndicator = NO;
        _scrollV.pagingEnabled = YES;
        [self addSubview:_scrollV];
        
        for (int i = 0; i < 3; i ++)
        {
            UITableView *tableViewW = [[UITableView alloc] initWithFrame:CGRectMake(f_Device_w*i, 0, f_Device_w, f_Device_h-f_Device_h/3-75) style:UITableViewStylePlain];
            tableViewW.delegate = self;
            tableViewW.dataSource = self;
            tableViewW.rowHeight = 30;
            tableViewW.tag = i+1;
            tableViewW.separatorStyle = UITableViewCellSeparatorStyleNone;
            [_scrollV addSubview:tableViewW];
        }
        
    }
    return self;
}

当选择地区后，执行的方法
#pragma mark --- 选中后执行方法
//参数说明：1：上一个表格数组，2：点击的是第几行数据，3：标题按钮的tag值，4：滑动视图有几个f_Device_w，5：下一个表格数组
-(void)showSelectViewArray1:(NSMutableArray *)aDataArray1 indexPathRow:(int)aRow buttonTag1:(int)aTag1 xPoint:(int)aXi dataArray2:(NSMutableArray *)aDataArray2
{
    NSDictionary *dic = [NSDictionary dictionaryWithDictionary:aDataArray1[aRow]];
    UIButton *buttonN1 = (UIButton *)[self viewWithTag:aTag1];
    [buttonN1 setTitle:dic[@"adName"] forState:UIControlStateNormal];
    [buttonN1 setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
    
    [_areaMuArray replaceObjectAtIndex:aXi-2 withObject:dic];
    
    [self cityListHttpRequestIdStr:dic[@"id"] dataArray2:aDataArray2 buttonTag:aTag1 tableViewTag:aXi];
}
#pragma mark --- 市县区数据请求
//参数说明：1：上一个表格数组中的id，2：下一个表格数组，3：标题按钮tag值，4：tableView的tag值
-(void)cityListHttpRequestIdStr:(NSString *)parentIdStr dataArray2:(NSMutableArray *)aDataArray2 buttonTag:(int)btnTag tableViewTag:(int)aTag

效果图：


    


仿京东商城选择地区样式详细讲解源码Demo：http://download.csdn.net/detail/hbblzjy/9603813