@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>

{

    UIButton* getButton;

    UIButton* postButton;

    UITableView* table;

    NSMutableArray* array;

}

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    getButton=[[UIButton alloc]initWithFrame:CGRectMake(, , , )];

    getButton.backgroundColor=[UIColor orangeColor];

    [getButton setTitle:@"GET" forState:UIControlStateNormal];

    [getButton addTarget:self action:@selector(getData) forControlEvents:UIControlEventTouchUpInside];

    postButton=[[UIButton alloc]initWithFrame:CGRectMake(, , , )];

    postButton.backgroundColor=[UIColor orangeColor];

    [postButton setTitle:@"POST" forState:UIControlStateNormal];

    [postButton addTarget:self action:@selector(postData) forControlEvents:UIControlEventTouchUpInside];

    table=[[UITableView alloc]initWithFrame:CGRectMake(, , , -) style:UITableViewStylePlain];

    table.dataSource=self;

    table.delegate=self;

    [self.view addSubview:table];

    [self.view addSubview:getButton];

    [self.view addSubview:postButton];

}

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

{

    return array.count;

}

#pragma mark 表示每一行显示什么数据

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

{

    //内存优化

    static NSString * identity=@"cell";

    //tableview 根据标识复制出一个cell

    UITableViewCell * cell=[tableView dequeueReusableCellWithIdentifier:identity];

    if (cell==nil) {

        cell=[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:identity];

    }

    NSDictionary* dic=array[indexPath.row];

    cell.textLabel.text=[dic valueForKey:@"title"];

    cell.detailTextLabel.text=[dic valueForKey:@"type"];

    cell.accessoryType=UITableViewCellAccessoryDisclosureIndicator;

    return  cell;

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

-(void)getData

{

    NSLog(@"get");

    //异步请求

    //创建NSString用来存储请求的网址

    NSString* str=@"http://ipad-bjwb.bjd.com.cn/DigitalPublication/publish/Handler/APINewsList.ashx?date=20131129&startRecord=1&len=5&udid=1234567890&terminalType=Iphone&cid=213";

    //用UTF8String格式转换成NSURL

    NSURL* url=[NSURL URLWithString:[str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];

    //创建请求

    NSURLRequest* request=[[NSURLRequest alloc]initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:];

    //发送请求

    [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {

        if (data) {

            //处理数据

            NSDictionary* dic=[NSJSONSerialization JSONObjectWithData:data options: error:nil];

            array=[dic valueForKey:@"news"];

            [table reloadData];

        }

        if (connectionError) {

            NSLog(@"%@",[connectionError description]);

        }

    }];

}

-(void)postData

{

    NSLog(@"post");

    //异步请求

    //创建NSString用来存储请求的网址

    NSString* str=@"http://ipad-bjwb.bjd.com.cn/DigitalPublication/publish/Handler/APINewsList.ashx";

    //用UTF8String格式转换成NSURL

    NSURL* url=[NSURL URLWithString:[str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];

    //创建请求

    NSMutableURLRequest* request=[[NSMutableURLRequest alloc]initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:];

    [request setHTTPMethod:@"POST"];

    //设置参数

    NSString* where=@"date=20131129&startRecord=1&len=5&udid=1234567890&terminalType=Iphone&cid=213";

    NSData* data=[where dataUsingEncoding:NSUTF8StringEncoding];

    [request setHTTPBody:data];

    //发送请求

    [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {

        if (data) {

            //处理数据

            NSDictionary* dic=[NSJSONSerialization JSONObjectWithData:data options: error:nil];

            array=[dic valueForKey:@"news"];

            [table reloadData];

        }

        if (connectionError) {

            NSLog(@"%@",[connectionError description]);

        }

    }];

}