iOS--NetWorking

ViewController.m#

//
//  ViewController.m
//  NetWorking

//

#import "ViewController.h"
#import "NewsModel.h"


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

#define URL_PORT1 @"http://ipad-bjwb.bjd.com.cn/DigitalPublication/publish/Handler/APINewsList.ashx"
#define URL_PORT2 @"date=20131129&startRecord=1&len=5&udid=1234567890&terminalType=Iphone&cid=213"

@interface ViewController ()<NSURLConnectionDataDelegate>


@property(nonatomic, strong)NSMutableArray *dataArray;

@property(nonatomic,strong)NSMutableData *tempData;//NSURLConnectionDataDelegate

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    /*
     1、同步请求可以从因特网请求数据，一旦发送同步请求，程序将停止用户交互，直至服务器返回数据完成，才可以进行下一步操作，
     
     2、异步请求不会阻塞主线程，而会建立一个新的线程来操作，用户发出异步请求后，依然可以对UI进行操作，程序可以继续运行
     
     3、GET请求，将参数直接写在访问路径上。操作简单，不过容易被外界看到，安全性不高，地址最多255字节；
     
     4、POST请求，将参数放到body里面。POST请求操作相对复杂，需要将参数和地址分开，不过安全性高，参数放在body里面，不易被捕获。
     */
    
    //1.发送请求
         //url : = 网络协议(http://今后可能是https) + 文件路径? + 参数1 & 参数2 ....
    //2.接受响应
    //3.创建链接对象传输数据
    
    
    //xcode7之后若想要使用HTTP需要修改info.plist文件
//    NSAppTransportSecurity NSDictionary
//    
//    NSAllowsArbitraryLoads  BOOL  YES
    
}
#pragma mark------GET同步  POST同步 -----------------------------------------------
//1.
- (IBAction)GETaction1:(UIButton *)sender {
    NSLog(@"GET 同步");
    //1.创建URL对象(URL:(网址)统一资源定位符,额被称为网页地址,是因特网上标准的资源的地址)
    NSURL *url = [NSURL URLWithString:BASE_URL];
    //2.创建链接对象(request:请求,需要)
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
    //2.1 创建请求方式(默认是get,这一步可以不写)
    [request setHTTPMethod:@"get"];
    //3.创建响应对象
    NSURLResponse *response = nil;
    //
    NSError *error = nil;
    //4.创建连接对象(同步)
    NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse: &response error: &error];
    if (nil !=data) {
    //解析
    NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil];
    
    self.dataArray = [NSMutableArray arrayWithCapacity:5];//开辟空间!!!!!!!!!!!!!!!
    for (NSDictionary *dic1 in dic[@"news"]) {
        NewsModel *newsModel = [NewsModel new];
        [newsModel setValuesForKeysWithDictionary:dic1];
        [_dataArray addObject:newsModel];
    }
                //数组检测
                for (NewsModel *newmodel in _dataArray) {
                    NSLog(@"%@",newmodel);
                }
            //    NSLog(@"%@",_dataArray);//此方法打出乱码,因为没遍历;用上边方法
  }
}
- (IBAction)POSTaction1:(UIButton *)sender {
    NSLog(@"POST 同步");
    //1.创建URL对象
    NSURL *url = [NSURL URLWithString:URL_PORT1];
    //2.创建请求对象
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
    //2.1 创建请求方式(必须写)
    [request setHTTPMethod:@"post"];//默认请求方式是get
    //3.设置请求参数
    NSData *tempData = [URL_PORT2 dataUsingEncoding:NSUTF8StringEncoding ];
    [request setHTTPBody:tempData];
    //4.创建响应对象
    NSURLResponse *response = nil;
    NSError *error = nil;
    //5.创建连接对象
    
    NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];
    //6.
    NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil];
//    NSLog(@"%@",dic);
    
    self.dataArray = [NSMutableArray arrayWithCapacity:5];
    for (NSDictionary *dic2 in dic[@"news"]) {
        NewsModel *newsmodel2 = [NewsModel new];
        [newsmodel2 setValuesForKeysWithDictionary:dic2];
        [_dataArray addObject:newsmodel2];
    }
    
    for (NewsModel *newamodel2 in _dataArray) {
        NSLog( @"%@",newamodel2);
    }
    
}
#pragma mark----- GET异步--BLOCK    POST异步__BLOCK --------------------------------------------
//GET异步----------
- (IBAction)GETaction2:(UIButton *)sender {
    NSLog(@"GET异步");
    //1.创建URl对象
    NSURL *url = [NSURL URLWithString:BASE_URL];
    //2.创建请求对象
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
    //3.直接创建连接对象([NSOperationQueue mainQueue]主队列,多线程内容)
    __weak typeof (self)temp = self;
    
    [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse * _Nullable response, NSData * _Nullable data, NSError * _Nullable connectionError) {
        NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil];
    
        NSLog(@"%@",dic);
    temp.dataArray = [NSMutableArray arrayWithCapacity:5];
        for (NSDictionary *dic2 in dic[@"news"]) {
            NewsModel *newsmodel2 = [NewsModel new];
            [newsmodel2 setValuesForKeysWithDictionary:dic2];
            [_dataArray addObject:newsmodel2];
        }
        
        
    }];
   for (NewsModel *newamodel2 in _dataArray) {
            NSLog( @"%@",newamodel2);
        }
    NSLog(@"------------------- ");
}
//POST异步------------
- (IBAction)POSTaction2:(UIButton *)sender {
    
    NSLog(@"POST异步");
    //1.创建URL对象
    NSURL *url = [NSURL URLWithString:URL_PORT1];
    //2.创建请求对象
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
    
    //2.1 创建请求方式(必须写)
    [request setHTTPMethod:@"post"];//默认请求方式是get
    //3.设置请求参数
    NSData *tempData = [URL_PORT2 dataUsingEncoding:NSUTF8StringEncoding ];
    [request setHTTPBody:tempData];
    //3.直接创建连接对象
    __weak typeof (self)temp = self;
    [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse * _Nullable response, NSData * _Nullable data, NSError * _Nullable connectionError) {
        NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil];
        NSLog(@"%@",dic);
        temp.dataArray =[NSMutableArray arrayWithCapacity:5];
        for (NSDictionary *dic2 in dic[@"news"]) {
            NewsModel *newsmodel2 = [NewsModel new];
            [newsmodel2 setValuesForKeysWithDictionary:dic2];
            [_dataArray addObject:newsmodel2];
        }
        
        

    }];
    
    for (NewsModel *newamodel2 in _dataArray) {
            NSLog( @"%@",newamodel2);
        }

}
- (IBAction)GETactiondaili:(UIButton *)sender {
    NSLog(@"GET 异步代理");
    
    //1.创建URl对象
    NSURL *url = [NSURL URLWithString:BASE_URL];
    //2.创建请求对象
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
    //创建连接对象,并实现代理
    NSURLConnection *connection = [NSURLConnection connectionWithRequest:request delegate:self];
    //
    [connection start];
    
    
}
- (IBAction)POSTactiondaili:(UIButton *)sender {
    NSLog(@"POST 异步代理");
    //1.创建URl对象
    NSURL *url = [NSURL URLWithString:URL_PORT1];
    //2.创建请求对象
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];


    [request setHTTPMethod:@"post"];//默认请求方式是get

    NSData *tempData = [URL_PORT2 dataUsingEncoding:NSUTF8StringEncoding ];
    [request setHTTPBody:tempData];
    NSURLConnection *connection = [NSURLConnection connectionWithRequest:request delegate:self];
    [connection start];
    
    
}

#pragma mark -----NSURLConnectionDataDelegate-------
//接收到服务器的响应
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response{
   //准备数据接收
    self.tempData = [NSMutableData data];

}
//接收到请求的数据
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data{
   //将每次新接收到的数据拼接到原有数据包的后面
    [_tempData appendData:data];
    
}
//加载完毕,开始解析
- (void)connectionDidFinishLoading:(NSURLConnection *)connection{
    NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:_tempData options:NSJSONReadingAllowFragments error:nil];
    NSLog(@"%@",dic);
//    
//    for (NSDictionary *dict in dic[@"news"]) {
//        NewsModel *new = [NewsModel new];
//        [new setValuesForKeysWithDictionary:dict];
//        [_dataArray addObject:new];
//    }
//    
//    for (NewsModel *new in _dataArray) {
//        NSLog(@"%@",new.title);
//    }
    self.dataArray = [NSMutableArray arrayWithCapacity:5];//开辟空间!!!!!!!!!!!!!!!
    for (NSDictionary *dic1 in dic[@"news"]) {
        NewsModel *newsModel = [NewsModel new];
        [newsModel setValuesForKeysWithDictionary:dic1];
        [_dataArray addObject:newsModel];
    }
    //数组检测
    for (NewsModel *newmodel in _dataArray) {
        NSLog(@"%@",newmodel);
    }

    
    
}

//打印失败信息
- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error{
    NSLog(@"文件连接出现error:%@",error);
}



#pragma mark==========================--- 解析新方法 ---========================

- (IBAction)sessionGET:(UIButton *)sender {
    NSLog(@"seeeion---GET");
    
    //1.创建URl对象
    NSURL *url = [NSURL URLWithString:BASE_URL];
    //2.创建session对象
    NSURLSession *session = [NSURLSession sharedSession];
    //3.创建task(该方法内部做了处理,默认使用get,直接传递URL即可)
    NSURLSessionTask *task = [session dataTaskWithRequest:url completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        //数据操作
        NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil];
        NSLog(@"%@",dic);
        
        self.dataArray = [NSMutableArray arrayWithCapacity:5];//开辟空间!!!!!!!!!!!!!!!
        for (NSDictionary *dic1 in dic[@"news"]) {
            NewsModel *newsModel = [NewsModel new];
            [newsModel setValuesForKeysWithDictionary:dic1];
            [_dataArray addObject:newsModel];
        }
        //数组检测
        for (NewsModel *newmodel in _dataArray) {
            NSLog(@"%@",newmodel);
        }
    }];
    //4.起动会话
    [task  resume];
}




- (IBAction)sessionPOST:(UIButton *)sender {
    NSLog(@"seeeion---POST");
    //1.创建URL对象
    NSURL *url = [NSURL URLWithString:BASE_URL];
    //2.创建请求对象
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
    //创建请求方式
    
    [request setHTTPBody:@"post"];
    
    NSData *tempData = [URL_PORT2 dataUsingEncoding:NSUTF8StringEncoding];
    
    [request setHTTPBody:tempData];
    //3.建立对话
    NSURLSession *session = [NSURLSession sharedSession];
    //session支持3种类型的任务:
                //1. NSURLSessionDataTask(加载数据)
                //2. NSURLSessionDownloadTask(下载)
                //3. NSURLSessionUploadTask(上传)
    
    NSLog(@"---%d",[[NSThread currentThread] isMainThread]);//关于多线程
    
     __weak typeof (self)temp = self;
    NSURLSessionDataTask *task = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
       //解析
        NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil];
        
        NSLog(@"%@",dic);
        NSLog(@"----------------------%d",[[NSThread currentThread] isMainThread]);
       
        //回到主线程(刷新数据)
        dispatch_async(dispatch_get_main_queue(), ^{
//            [temp.tableView reloadData];
        });
    
    }];
    
    //4. 启动任务
    [task  resume];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end

//
//  NewsModel.h
//  NetWorking
//
//

#import <Foundation/Foundation.h>

@interface NewsModel : NSObject

@property (nonatomic, assign)NSInteger code;

@property (nonatomic, strong)NSString *cid;

@property (nonatomic, strong)NSString *cname;

@property (nonatomic, assign)NSInteger commentCount;

@property (nonatomic, strong)NSString *ID;

@property (nonatomic, strong)NSString *lastUpdateTime;

@property (nonatomic, strong)NSString *nswaUrl;

@property (nonatomic, strong)NSString *picUrl;

@property (nonatomic, assign)NSInteger rownum;

@property (nonatomic, strong)NSString *sequence;

@property (nonatomic, strong)NSString *summary;

@property (nonatomic, strong)NSString *title;

@property (nonatomic, strong)NSString *type;

@property (nonatomic, strong)NSString *typeld;

@end

NewsModel.m#

//
//  NewsModel.m
//  NetWorking
//

#import "NewsModel.h"

@implementation NewsModel

//容错处理
-(void)setValue:(id)value forUndefinedKey:(NSString *)key{
    if ([key isEqualToString:@"id"]) {
        _ID = value;
    }
}


- (NSString *)description
{
    return [NSString stringWithFormat:@"%@", _title];
}

@end

最后编辑于：2017.11.27 06:09:16

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iOS--NetWorking

ViewController.m#

NewsModel.m#

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