基于MMPopupView和STDPickerView，数据源为

MMPopupView
GitHub: https://github.com/adad184/MMPopupView
STDPickerView
GitHub: https://github.com/XuQibin/STDPickerView

暂未写关于默认选择的内容,代码很糙

MMSTDAddressView.h

#import "MMPopupView.h"

NS_ASSUME_NONNULL_BEGIN

@interface MMSTDAddressView : MMPopupView
@property (nonatomic, strong) UIButton *btnCancel;
@property (nonatomic, strong) UIButton *btnConfirm;
@property (nonatomic, strong) NSString *pCode, *cCode, *adCode, *pName, *cName, *adName;
@end

NS_ASSUME_NONNULL_END

MMSTDAddressView.m

#import "MMSTDAddressView.h"
#import "STDPickerView.h"

@interface MMSTDAddressView ()<STDPickerViewDelegate, STDPickerViewDataSource>
{
    NSMutableArray *pNameArray, *pCodeArray, *cNameArray, *cCodeArray, *adNameArray, *adCodeArray;
}
@property (nonatomic, strong) STDPickerView *pickerView;;
@end

@implementation MMSTDAddressView

- (instancetype)init {
    self = [super init];
    if (self) {
        self.type = MMPopupTypeSheet;
        
        pCodeArray = [[NSMutableArray alloc] initWithCapacity:0];
        pNameArray = [[NSMutableArray alloc] initWithCapacity:0];
        cCodeArray = [[NSMutableArray alloc] initWithCapacity:0];
        cNameArray = [[NSMutableArray alloc] initWithCapacity:0];
        adCodeArray = [[NSMutableArray alloc] initWithCapacity:0];
        adNameArray = [[NSMutableArray alloc] initWithCapacity:0];
        
        self.backgroundColor = [UIColor whiteColor];
        [MMPopupWindow sharedWindow].touchWildToHide = YES;
        [self mas_makeConstraints:^(MASConstraintMaker *make) {
            make.width.mas_equalTo([UIScreen mainScreen].bounds.size.width);
            make.height.mas_equalTo(216+50);
        }];
        
        self.btnCancel = [UIButton mm_buttonWithTarget:self action:@selector(cancelClicked)];
        [self addSubview:self.btnCancel];
        [self.btnCancel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.size.mas_equalTo(CGSizeMake(80, 50));
            make.left.top.equalTo(self);
        }];
        [self.btnCancel setTitle:@"取消" forState:UIControlStateNormal];
        [self.btnCancel setTitleColor:MMHexColor(0xE76153FF) forState:UIControlStateNormal];
        
        
        self.btnConfirm = [UIButton mm_buttonWithTarget:self action:@selector(confirmClicked)];
        [self addSubview:self.btnConfirm];
        [self.btnConfirm mas_makeConstraints:^(MASConstraintMaker *make) {
            make.size.mas_equalTo(CGSizeMake(80, 50));
            make.right.top.equalTo(self);
        }];
        [self.btnConfirm setTitle:@"确定" forState:UIControlStateNormal];
        [self.btnConfirm setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
        
        self.pickerView = [[STDPickerView alloc] init];
        _pickerView.dataSource = self;
        _pickerView.delegate = self;
        _pickerView.forceItemTypeText = YES;
        //是否显示垂直分割线
        _pickerView.showVerticalDivisionLine = YES;
        //设置pickerView四周的间距
        _pickerView.edgeInsets = UIEdgeInsetsMake(0, 20, 0, 20);
        //设置component之间的间距
        _pickerView.spacingOfComponents = 30;
        //仅在文本模式下有效
        _pickerView.textColor = UIColorFromHex(0x999999);
        _pickerView.selectedTextColor = UIColorFromHex(0x00bf51);
        _pickerView.font = [UIFont systemFontOfSize:16];

        [self addSubview:self.pickerView];
        [self.pickerView mas_makeConstraints:^(MASConstraintMaker *make) {
            make.edges.equalTo(self).insets(UIEdgeInsetsMake(50, 0, 0, 0));
        }];
        
    }
    return self;
}
#pragma mark - STDPickerViewDataSource
//返回component数目
- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView
{
    return 3;
}

//返回row数目
- (NSInteger)pickerView:(STDPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component
{
    if(component == 0) {
        if (pCodeArray.count == 0){
            return 1;
        } else {
            return pCodeArray.count;
        }
    } else if (component == 1) {
        if (cCodeArray.count == 0){
            return 1;
        } else {
            return cCodeArray.count;
        }
    } else {
        if (adCodeArray.count == 0){
            return 1;
        } else {
            return adCodeArray.count;
        }
    }
}
- (NSString *)pickerView:(STDPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component
{
    if(component == 0) {
        if (pNameArray.count == 0) {
            
            [self getListRegion:@"" level:0 success:^(NSArray * nameArray, NSArray * codeArray) {
                self->pNameArray = [nameArray mutableCopy];self.pName = self->pNameArray[0];
                self->pCodeArray = [codeArray mutableCopy];self.pCode = self->pCodeArray[0];
                [self->_pickerView reloadComponent:0];
                [self getListRegion:self->pCodeArray[0] level:1 success:^(NSArray * nameArray, NSArray * codeArray) {
                    self->cNameArray = [nameArray mutableCopy];self.cName = self->cNameArray[0];
                    self->cCodeArray = [codeArray mutableCopy];self.cCode = self->cCodeArray[0];
                    [self->_pickerView reloadComponent:1];
                    [self getListRegion:self->cCodeArray[0] level:2 success:^(NSArray * nameArray, NSArray * codeArray) {
                        self->adNameArray = [nameArray mutableCopy];self.adName = self->adNameArray[0];
                        self->adCodeArray = [codeArray mutableCopy];self.adCode = self->adCodeArray[0];
                        [self->_pickerView reloadComponent:2];
                    }];
                }];
            }];
            return @"";
        } else {
            return pNameArray[row];
        }
        
    } else if (component == 1) {
        if (cNameArray.count == 0) {
            if (pCodeArray.count != 0) {
                [self getListRegion:self->pCodeArray[0] level:1 success:^(NSArray * nameArray, NSArray * codeArray) {
                    self->cNameArray = [nameArray mutableCopy];self.cName = self->cNameArray[0];
                    self->cCodeArray = [codeArray mutableCopy];self.cCode = self->cCodeArray[0];
                    [self->_pickerView reloadComponent:1];
                    [self getListRegion:self->cCodeArray[0] level:2 success:^(NSArray * nameArray, NSArray * codeArray) {
                        self->adNameArray = [nameArray mutableCopy];self.adName = self->adNameArray[0];
                        self->adCodeArray = [codeArray mutableCopy];self.adCode = self->adCodeArray[0];
                        [self->_pickerView reloadComponent:2];
                    }];
                }];
            }
            return @"";
        } else {
            return cNameArray[row];
        }
        
    } else {
        if (adNameArray.count == 0) {
            if (cCodeArray.count != 0) {
                [self getListRegion:self->cCodeArray[0] level:2 success:^(NSArray * nameArray, NSArray * codeArray) {
                    self->adNameArray = [nameArray mutableCopy];self.adName = self->adNameArray[0];
                    self->adCodeArray = [codeArray mutableCopy];self.adCode = self->adCodeArray[0];
                    [self->_pickerView reloadComponent:2];
                }];
            }
            return @"";
        } else {
            return adNameArray[row];
        }
        
    }
}


#pragma mark - STDPickerViewDelegate
//返回条目高度
- (CGFloat)pickerView:(STDPickerView *)pickerView rowHeightForComponent:(NSInteger)component
{
    return 30;
}
//选中了某个条目
- (void)pickerView:(STDPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component
{
    NSLog(@"pickerView - didSelectRow %zd inComponent %zd", row, component);
    if (component == 0) {
        if (pCodeArray.count != 0) {
            [self getListRegion:pCodeArray[row] level:1 success:^(NSArray * nameArray, NSArray * codeArray) {
//                [self->cNameArray removeAllObjects];
//                [self->cCodeArray removeAllObjects];
                self->cNameArray = [nameArray mutableCopy];self.cName = self->cNameArray[0];
                self->cCodeArray = [codeArray mutableCopy];self.cCode = self->cCodeArray[0];
                [self->_pickerView reloadComponent:1];
                [self getListRegion:self->cCodeArray[0] level:2 success:^(NSArray * nameArray, NSArray * codeArray) {
//                    [self->adNameArray removeAllObjects];
//                    [self->adCodeArray removeAllObjects];
                    self->adNameArray = [nameArray mutableCopy];self.adName = self->adNameArray[0];
                    self->adCodeArray = [codeArray mutableCopy];self.adCode = self->adCodeArray[0];
                    [self->_pickerView reloadComponent:2];
                }];
            }];
            _pName = pNameArray[row];
            _pCode = pCodeArray[row];
        }
        
    }else if (component == 1){
        if (cCodeArray.count != 0) {
            [self getListRegion:cCodeArray[row] level:2 success:^(NSArray * nameArray, NSArray * codeArray) {
//                [self->adNameArray removeAllObjects];
//                [self->adCodeArray removeAllObjects];
                self->adNameArray = [nameArray mutableCopy];self.adName = self->adNameArray[0];
                self->adCodeArray = [codeArray mutableCopy];self.adCode = self->adCodeArray[0];
                [self->_pickerView reloadComponent:2];
            }];
            _cName = cNameArray[row];
            _cCode = cCodeArray[row];
        }
    } else {
        if (adCodeArray.count != 0) {
            _adName = adNameArray[row];
            _adCode = adCodeArray[row];
        }
    }
}
#pragma btnClicked
- (void) cancelClicked {
    [self hide];
}

- (void) confirmClicked {
    [self hide];
}

#pragma networking
- (void) getListRegion:(NSString *)code
                 level:(NSInteger)level
               success:(void (^) (NSArray * _Nonnull, NSArray * _Nonnull))success  {
    [UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    //适配HTTPS
    AFSecurityPolicy *securityPolicy = [AFSecurityPolicy policyWithPinningMode:AFSSLPinningModeNone];
    [securityPolicy setValidatesDomainName:NO];
    securityPolicy.allowInvalidCertificates = YES; //还是必须设成YES
    manager.securityPolicy = securityPolicy;
    
    manager.responseSerializer = [AFJSONResponseSerializer serializer];
    ((AFJSONResponseSerializer *)manager.responseSerializer).removesKeysWithNullValues = YES;
    NSString *URL = [BASE_URL stringByAppendingString:[NSString stringWithFormat:@"/api/listRegion"]];
    NSMutableDictionary *parameters = [[NSMutableDictionary alloc] initWithCapacity:0];
    [parameters setObject:[NSString stringWithFormat:@"%ld", level] forKey:@"level"];
    switch (level) {
        case 1://查市
            [parameters setObject:[code substringToIndex:2] forKey:@"code"];
            break;
        case 2://查区
            [parameters setObject:[code substringToIndex:4] forKey:@"code"];
            break;
        default:
            break;
    }
    
    [manager GET:URL parameters:parameters progress:^(NSProgress * _Nonnull downloadProgress) {
        
    }
         success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
             [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
             if(responseObject){
                 NSLog(@"%@",responseObject);
                 if([[responseObject objectForKey:@"status"]intValue] == 0){
                     NSMutableArray *nameArray = [[NSMutableArray alloc] initWithCapacity:0];
                     NSMutableArray *codeArray = [[NSMutableArray alloc] initWithCapacity:0];
                     for(NSDictionary *dic in [responseObject objectForKey:@"data"]) {
                         [nameArray addObject:dic[@"name"]];
                         [codeArray addObject:dic[@"code"]];
                     }
                     success(nameArray, codeArray);
                 }else{
                     
                 }
             }
         }
     
         failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull   error) {
             [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
         }];
}
@end