GET和POST解析

//

//  ViewController.m

//  Lesson_16_class

//

//  Created by 李洪鹏 on 15/7/21.

//  Copyright (c) 2015年 李洪鹏. All rights reserved.

//

 

#import "ViewController.h"

#import "NewsModel.h"

 

@interface ViewController ()

 

@property (nonatomic, strong)NSMutableArray *DataArray;

 

@end

 

@implementation ViewController

 

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

}

 

 

//GET请求的同步方式

- (IBAction)GETSynButton:(UIButton *)sender {

    

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

    

    //如果上述网址里面有汉字需要

    urlString  = [urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

    

    //根据字符串创建url

    NSURL *url = [NSURL URLWithString:urlString];

    

    //根据url 创建request 请求类的对象

    NSURLRequest *request = [NSURLRequest requestWithURL:url];

    //开始请求网络，请求数据

    

    NSData *receiveData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];

    //系统自带的json解析

    NSDictionary *dict =[NSJSONSerialization JSONObjectWithData:receiveData options:NSJSONReadingMutableContainers error:nil];

    

    

    NSArray *array = dict[@"news"];

    for (NSDictionary *dict1 in array) {

        NewsModel *m = [NewsModel new];

        [m setValuesForKeysWithDictionary:dict1];

        [_DataArray addObject:m];

        

        

    }

    NSLog(@"%@", _DataArray);

    //置为空

    _DataArray  =  nil;

    

}

 

//GET的异步请求

- (IBAction)GETAsynButton:(UIButton *)sender {

    

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

 

    //根据字符串创建url(统一资源定位符)

    NSURL *url = [NSURL URLWithString:urlstring];

    //根据url去创建NSURLRequest

    NSURLRequest *request = [NSURLRequest requestWithURL:url];

    

    //开始解析

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

        

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

        

        NSLog(@"%@", dict);

        

        //异步的时候不能把字典添加到数组中

//        NSArray *array = dict[@"news"];

//        for (NSDictionary *dict2 in array) {

//            NewsModel *m2 = [NewsModel new];

//            [m2 setValuesForKeysWithDictionary:dict2];

//            [_DataArray addObject:m2];

//        }

        

        

    }];

    

}

 

//POST同步请求

- (IBAction)PSOTSynButton:(UIButton *)sender {

    

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

    

    NSURL *url = [NSURL URLWithString:baseString];

    //创建可变的request 对象

    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];

    //设置请求类型为post

    [request setHTTPMethod:@"POST"];

    //需要设置POST参数

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

    NSData *bodyData = [bodyString dataUsingEncoding:NSUTF8StringEncoding];

    [request setHTTPBody:bodyData];

    

//    请求数据

   NSData *receiveData =  [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];

    NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:receiveData options:NSJSONReadingMutableContainers error:nil];

    NSLog(@"%@", dict);

    

}

 

 

//POST请求异步方式

- (IBAction)POSTAsynButton:(UIButton *)sender {

    

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

    

    NSURL *url = [NSURL URLWithString:baseString];

    

    //创建可变的request 对象

    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];

    

    [request setHTTPMethod:@"POST"];

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

   

    NSData *bodyData = [bodyString dataUsingEncoding:NSUTF8StringEncoding];

    

    [request setHTTPBody:bodyData];

    

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

      

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

        

        NSLog(@"%@", dict);

        

    }];

    

}

 

 

 

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

 

@end