一段关于tableViewController的代码

#import "TRViewController.h"

#import "TRArea.h"

#import "TRDetailViewController.h"

@interface TRViewController ()

@end

@implementation TRViewController

- (void)viewDidLoad

{

    [super viewDidLoad];

    self.title = @"城市";

    self.areas = [TRArea demoData];

}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView

{

    return 1;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

    return self.areas.count;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

    static NSString *CellIdentifier = @"Cell";

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (cell == nil) {

        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];

    }

    TRArea *area = self.areas[indexPath.row];

    cell.textLabel.text = area.name;

    return cell;

}

#pragma mark - Table view delegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

    TRDetailViewController *detailViewController = [[TRDetailViewController alloc] initWithNibName:@"TRDetailViewController" bundle:nil];

    //将选中的城市对象传给detailViewController

    detailViewController.area =self.areas[indexPath.row];

    [self.navigationController pushViewController:detailViewController animated:YES];

}