基于 AFNetworking 的网络封装, 数据解析, 模型转换, 以及业务处理等集于一身。
- AFNetworking
- MJExtension (可删除可替换)
pod 'CSNetworking'
Request
#pragma mark - 获取城市列表
+ (void)getUserAddressListWithUserID:(NSInteger)userID resultBlock:(RequestResponse)resultBlock {
NSDictionary *parame = @{@"uid" : [NSString stringWithFormat:@"%ld", userID]};
[CSNetworking GET:@"get" parameters:parame networkBlock:^(CSCommonResult * result, id responseObject) {
// 返回的 data 是一个数组,里面是 CSAddressModel
[CSResponseTool analyzeDataWithResult:result response:responseObject modelClass:[CSAddressModel class] analyzedBlock:^(CSAnalyzedResult * _Nullable result, id _Nullable data) {
if (resultBlock) { resultBlock(result, data); }
}];
}];
}
@end
ViewController
- (void)requestUserAddressList {
[CSMineRequest getUserAddressListWithUserID:1228 resultBlock:^(CSAnalyzedResult * result, id object) {
if (result.resultCode == CS_RESULT_SUCCESS) {
NSLog(@"%@", object);
if (_page == 1) {
[_addressAry removeAllObjects];
}
[_addressAry addObjectsFromArray:object];
}
if (_addressAry.count < 1) {
if (result.resultCode == networkError) {
// 显示无网络界面
[_tableView showNoDataNetworkError];
}else {
// 显示无数据界面
[_tableView showNoDataWithTitle:@"暂时数据"];
}
}
[_tableView reloadData];
// 判断结果码以及结果描述是否面向用户
if ([result isExposedToUser]) {
[result show];
}
}];
}
Controller.m
- (void)viewDidLoad {
// 初始化试图
UITableView *tableView = [[UITableView alloc] init];
tableView.frame = self.view.bounds;
tableView.dataSource = self.viewModel;
tableView.delegate = self;
self.viewModel.tableView = tableView;
[self.view addsubView:tableView];
// 执行试图命令
[self.viewModel.addressRequest execute:nil];
}
ViewModel.h
@interface HomeViewModel : NSObject<UITableViewDataSource>
/// 地址列表的请求
@property (nonatomic, strong, redonly) RACCommand *addressRequest;
/// 地址的模型数组
@property (nonatomic, strong, redonly) NSMutableArray<AddressModel *> *addressArr;
/// 控制器中的 tableView
@property (nonatomic, strong) UITableView *tableView;
@end
ViewModel.m
- (instancetype)init {
if (self = [super init]) {
[self setupCommand];
}
return self;
}
- (void)setupCommand {
_addressRequest = [[RACCommand alloc] initWithSignalBlock:^RACSignal *(id input) {
RACSignal *signal = [RACSignal createSignal:^RACDisposable *(id<RACSubscriber> subscriber) {
[CSNetworking GET:@"app/city/cityList" parameters:nil networkBlock:^(CSCommonResult *result, id responseObject) {
[CSResponseTool analyzeDataWithResult:result response:responseObject modelClass:[AddressModel class] analyzedBlock:^(CSAnalyzedResult *result, id data) {
if (result.resultCode == CS_RESULT_SUCCESS) {
[subscriber sendNext:data];
[subscriber sendCompleted];
}
if (!data) {
// [self.tableView showNoData];
}else if (networkError) {
// [self.tableView showNetworkError];
}
}];
}];
return nil;
}];
return signal;
}];
[_addressRequest.executionSignals.switchToLatest subscribeNext:^(id x) {
_addressArr = x;
[self.tableView reloadData];
}];
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return self.addressArr.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *ID = @"cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];
if (cell == nil) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:ID];
}
AddressModel *model = self.addressArr[indexPath.row];
cell.textLabel.text = model.name;
return cell;
}