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读取两个plist文件,一个省市,一个地区
主要代码:
#import "BaseController.h"
#import "AreaModel.h"
#import "CityModel.h"
#import "ProvinceModel.h"
@interface BaseController ()<UIPickerViewDelegate,UIPickerViewDataSource>
{
UIPickerView *_pickerView;
NSDictionary *_areaDic;
NSMutableArray *_provinceArr;
}
@end
@implementation BaseController
- (void)viewDidLoad {
[super viewDidLoad];
[self loading];
}
- (void)loading
{
//plist文件内容过多
dispatch_queue_t globalQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
dispatch_async(globalQueue, ^{
[self prepareData];
dispatch_queue_t mainQueue = dispatch_get_main_queue();
dispatch_async(mainQueue, ^{
[self uiConfig];
});
});
}
- (void)prepareData
{
//area.plist是字典
NSString *plistPath = [[NSBundle mainBundle] pathForResource:@"area" ofType:@"plist"];
_areaDic = [[NSDictionary alloc]initWithContentsOfFile:plistPath];
//city.plist是数组
NSString *plist = [[NSBundle mainBundle] pathForResource:@"city" ofType:@"plist"];
NSMutableArray *dataCity = [[NSMutableArray alloc] initWithContentsOfFile:plist];
_provinceArr = [[NSMutableArray alloc]init];
for (NSDictionary *dic in dataCity) {
ProvinceModel *model = [[ProvinceModel alloc]init];
[model setValuesForKeysWithDictionary:dic];
model.citiesArr = [[NSMutableArray alloc]init];
for (NSDictionary *dic in model.cities) {
CityModel *cityModel = [[CityModel alloc]init];
[cityModel setValuesForKeysWithDictionary:dic];
[model.citiesArr addObject:cityModel];
}
[_provinceArr addObject:model];
}
}
- (void)uiConfig
{
//picker view 有默认高度216
_pickerView = [[UIPickerView alloc]initWithFrame:CGRectMake(0, [UIScreen mainScreen].bounds.size.height/2, [UIScreen mainScreen].bounds.size.width, 216)];
_pickerView.delegate = self;
_pickerView.dataSource = self;
[_pickerView selectRow:0 inComponent:0 animated:YES];
[self.view addSubview:_pickerView];
}
- (NSInteger)numberOfComponentsInPickerView:(UIPickerView*)pickerView
{
return 3;
}
-(NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component{
if (0 == component)
{
return _provinceArr.count;
}
else if(1==component)
{
NSInteger rowProvince = [pickerView selectedRowInComponent:0];
ProvinceModel *model = _provinceArr[rowProvince];
return model.citiesArr.count;
}
else
{ NSInteger rowProvince = [pickerView selectedRowInComponent:0];
NSInteger rowCity = [pickerView selectedRowInComponent:1];
ProvinceModel *model = _provinceArr[rowProvince];
CityModel *cityModel = model.citiesArr[rowCity];
NSString *str = [cityModel.code description];
NSArray *arr = _areaDic[str];
return arr.count;
}
}
- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component
{
if (0 == component)
{
ProvinceModel *model = _provinceArr[row];
return model.name;
}
else if(1==component)
{
NSInteger rowProvince = [pickerView selectedRowInComponent:0];
ProvinceModel *model = _provinceArr[rowProvince];
CityModel *cityModel = model.citiesArr[row];
return cityModel.name;
}else
{
NSInteger rowProvince = [pickerView selectedRowInComponent:0];
NSInteger rowCity = [pickerView selectedRowInComponent:1];
ProvinceModel *model = _provinceArr[rowProvince];
CityModel *cityModel = model.citiesArr[rowCity];
NSString *str = [cityModel.code description];
NSArray *arr = _areaDic[str];
AreaModel *areaModel = [[AreaModel alloc]init];
[areaModel setValuesForKeysWithDictionary:arr[row]];
return areaModel.name;
}
}
- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component
{
if(0 == component)
{
[pickerView reloadComponent:1];
[pickerView reloadComponent:2];
} if(1 == component)
{
[pickerView reloadComponent:2];
}
NSInteger selectOne = [pickerView selectedRowInComponent:0];
NSInteger selectTwo = [pickerView selectedRowInComponent:1];
NSInteger selectThree = [pickerView selectedRowInComponent:2];
ProvinceModel *model = _provinceArr[selectOne];
CityModel *cityModel = model.citiesArr[selectTwo];
NSString *str = [cityModel.code description];
NSArray *arr = _areaDic[str];
AreaModel *areaModel = [[AreaModel alloc]init];
[areaModel setValuesForKeysWithDictionary:arr[selectThree]];
self.navigationItem.title = [NSString stringWithFormat:@"省:%@ 市:%@ 区:%@",model.name,cityModel.name,areaModel.name];
NSLog(@"省:%@ 市:%@ 区:%@",model.name,cityModel.name,areaModel.name);
}
@end
