GET和POST解析

// ViewController.m

// Lesson_16_class

// Created by 李洪鹏 on 15/7/21.

#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