iOS-判断当前网络状态-数据-无网络-WIFI-等等-第三方@
第三方---UIKit+AFNetworking

//
// ViewController.m
// AFNetWorking
//
// Created by YIem on 16/3/4.
// Copyright © 2016年 YIem. All rights reserved.
//

import "ViewController.h"

import "AFNetworking.h"

@interface ViewController ()

@end

@implementation ViewController

• (void)viewDidLoad {
  [super viewDidLoad];
  // Do any additional setup after loading the view, typically from a nib.
  self.view.backgroundColor = [UIColor whiteColor];

  UIButton *getB = [UIButton buttonWithType:UIButtonTypeSystem];
  getB.frame = CGRectMake(10, 10, 100, 50);
  [getB setTitle:@"Get" forState:UIControlStateNormal];
  [getB addTarget:self action:@selector(getAction) forControlEvents:UIControlEventTouchUpInside];
  [self.view addSubview:getB];

  UIButton *postB = [UIButton buttonWithType:UIButtonTypeSystem];
  postB.frame = CGRectMake(120, 10, 100, 50);
  [postB setTitle:@"Post" forState:UIControlStateNormal];
  [postB addTarget:self action:@selector(postAction) forControlEvents:UIControlEventTouchUpInside];
  [self.view addSubview:postB];

UIButton *netB = [UIButton buttonWithType:UIButtonTypeSystem];
netB.frame = CGRectMake(10, 100, 100, 50);
[netB setTitle:@"识别网络" forState:UIControlStateNormal];
[netB addTarget:self action:@selector(netAction) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:netB];

}

• (void)netAction
  {
  AFNetworkReachabilityManager *manager = [AFNetworkReachabilityManager sharedManager];
  // 开启监听
  [manager startMonitoring];
  [manager setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {

    switch (status) {
        case AFNetworkReachabilityStatusUnknown:
            NSLog(@"未知网络");
            break;
        case AFNetworkReachabilityStatusNotReachable:
            NSLog(@"无网络");
            break;
  
        case AFNetworkReachabilityStatusReachableViaWWAN:
            NSLog(@"蜂窝网络");
            break;
        case AFNetworkReachabilityStatusReachableViaWiFi:
            NSLog(@"WIFI网络");
            break;
  

            
            
        default:
            break;
    }
}];

}

• (void)getAction
  {

  NSString *urlStr = @"http://api.map.baidu.com/place/v2/search?query=银行®ion=大连&output=json&ak=6E823f587c95f0148c19993539b99295";
  // 转码
  NSString *urlEncode = [urlStr stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];

// 网络请求管理者类, 所有请求全由manager发起
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
// 设置支持所有的接口类型
manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"text/plain", @"text/json", @"application/json", @"text/javascript", @"text/html", nil];



// Get 异步
[manager GET:urlEncode parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
    NSLog(@"请求成功: %@", responseObject);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
    NSLog(@"请求失败: %@", error);
}];

}

• (void)postAction
  {
  NSString *urlStr = @"http://ipad-bjwb.bjd.com.cn/DigitalPublication/publish/Handler/APINewsList.ashx";
  NSURL *url = [NSURL URLWithString:urlStr];

  NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
  request.HTTPMethod = @"POST";
  // Body
  // date=20131129&startRecord=1&len=30&udid=1234567890&terminalType=Iphone&cid=213

  NSDictionary *para = @{@"data": @"20131129", @"startRecord": @"1", @"len": @"30", @"udid": @"1234567890", @"terminalType": @"Iphone", @"cid=": @"213"};

// 网络请求管理者类, 所有请求全由manager发起
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
// 设置支持所有的接口类型
manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"text/plain", @"text/json", @"application/json", @"text/javascript", @"text/html", nil];
// Post 异步
[manager POST:urlStr parameters:para success:^(AFHTTPRequestOperation *operation, id responseObject) {
    NSLog(@"请求成功: %@", responseObject);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
    NSLog(@"请求失败: %@", error);
}];

}

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

@end