IOS-网络（AFNetworking）

一、AFNetWorking基本使用

//
//  ViewController.m
//  IOS_0112_AFNetWorking
//
//  Created by ma c on 16/2/11.
//  Copyright © 2016年 博文科技. All rights reserved.
//

#import "ViewController.h"
#import "AFNetworking.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor cyanColor];
    
}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    [self getData];
}

- (void)postJSON
{
    // 1.创建一个请求操作管理者
    AFHTTPSessionManager *mgr = [AFHTTPSessionManager manager];
    // 2.声明：等会服务器返回的是JSON数据,默认是JSON数据
    mgr.responseSerializer = [AFJSONResponseSerializer serializer];
    
    // 2.请求参数
    NSMutableDictionary *dict = [NSMutableDictionary dictionary];
    dict[@"username"] = @"123";
    dict[@"pwd"] = @"123";
    // 3.发送一个GET请求
    NSString *url = @"http://localhost:8080/MJServer/login";
    [mgr POST:url parameters:dict progress:^(NSProgress * _Nonnull downloadProgress) {
        ;
    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        //判断responseObject的类型
        //NSLog(@"请求成功-----%@",[responseObject class]);
        NSLog(@"请求成功-----%@", responseObject);
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"请求失败");
    }];

    
}

- (void)getData
{
    // 1.创建一个请求操作管理者
    AFHTTPSessionManager *mgr = [AFHTTPSessionManager manager];
    // 2.声明：不要对服务器返回的数据进行解析，直接返回data即可
    mgr.responseSerializer = [AFHTTPResponseSerializer serializer];
    
    // 2.请求参数
    NSMutableDictionary *dict = [NSMutableDictionary dictionary];
    dict[@"username"] = @"123";
    dict[@"pwd"] = @"123";
    //dict[@"type"] = @"XML";
    // 3.发送一个GET请求
    NSString *url = @"http://localhost:8080/MJServer/login";
    [mgr GET:url parameters:dict progress:^(NSProgress * _Nonnull downloadProgress) {
        ;
    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        
        NSLog(@"请求成功-----%@", [responseObject class]);
        
        NSDictionary *dcit = [NSJSONSerialization JSONObjectWithData:responseObject options:NSJSONReadingMutableLeaves error:nil];
        NSLog(@"%@",dict);
        
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"请求失败");
    }];

    
}
- (void)getXML
{
    // 1.创建一个请求操作管理者
    AFHTTPSessionManager *mgr = [AFHTTPSessionManager manager];
    // 2.声明：等会服务器返回的是XML数据
    mgr.responseSerializer = [AFXMLParserResponseSerializer serializer];
    // 2.请求参数
    NSMutableDictionary *dict = [NSMutableDictionary dictionary];
    dict[@"username"] = @"123";
    dict[@"pwd"] = @"123";
    dict[@"type"] = @"XML";
    // 3.发送一个GET请求
    NSString *url = @"http://localhost:8080/MJServer/login";
    [mgr GET:url parameters:dict progress:^(NSProgress * _Nonnull downloadProgress) {
        ;
    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {

        NSLog(@"请求成功-----%@", responseObject);
        //解析XML数据
        
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"请求失败");
    }];

}
- (void)getJSON
{
    // 1.创建一个请求操作管理者
    AFHTTPSessionManager *mgr = [AFHTTPSessionManager manager];
    // 2.声明：等会服务器返回的是JSON数据,默认是JSON数据
    mgr.responseSerializer = [AFJSONResponseSerializer serializer];

    // 2.请求参数
    NSMutableDictionary *dict = [NSMutableDictionary dictionary];
    dict[@"username"] = @"123";
    dict[@"pwd"] = @"123";
    // 3.发送一个GET请求
    NSString *url = @"http://localhost:8080/MJServer/login";
    [mgr GET:url parameters:dict progress:^(NSProgress * _Nonnull downloadProgress) {
        ;
    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        //判断responseObject的类型
        //NSLog(@"请求成功-----%@",[responseObject class]);
        NSLog(@"请求成功-----%@", responseObject);
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"请求失败");
    }];

}
@end

 二、AFNetWorking文件上传

//
//  ViewController.m
//  IOS_0112_AFNetWorking
//
//  Created by ma c on 16/2/11.
//  Copyright © 2016年 博文科技. All rights reserved.
//

#import "ViewController.h"
#import "AFNetworking.h"

@interface ViewController ()<UINavigationControllerDelegate, UIImagePickerControllerDelegate,UIActionSheetDelegate>
@property (weak, nonatomic) IBOutlet UIImageView *imageView;

- (IBAction)upload;

@end

@implementation ViewController

/*
 文件下载，文件比较大时，断点续传技术：普遍所有的HTTP服务器都支持
 文件上传，文件比较大时，断点续传技术：一般的HTTP服务器都不支持，常用的技术是Socket(TCPIP,UDP)
 */

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor cyanColor];
    
}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    [self uploadPhotos];
}

- (void)uploadPhotos
{
    UIActionSheet *sheet = [[UIActionSheet alloc] initWithTitle:@"请选择图片" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:nil otherButtonTitles:@"拍照",@"相册", nil];
    [sheet showInView:self.view.window];
    
//    if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])  return;
//    //上传手机照片给服务器，图片来源
//    // 拍照：UIImagePickerControllerSourceTypeCamera
//    // 相册：UIImagePickerControllerSourceTypePhotoLibrary
//    
//    UIImagePickerController *ipc = [[UIImagePickerController alloc] init];
//    //设置图片来源
//    //ipc.sourceType = UIImagePickerControllerSourceTypeCamera;
//    ipc.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
//    //设置代理
//    ipc.delegate = self;
//    [self presentViewController:ipc animated:nil completion:nil];
}

#pragma mark - UIActionSheetDelegate的代理方法
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
    UIImagePickerController *ipc = [[UIImagePickerController alloc] init];
    //设置代理
    ipc.delegate = self;
    
    switch (buttonIndex) {
        case 0: //拍照
        {
            if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])  return;
            ipc.sourceType = UIImagePickerControllerSourceTypeCamera;
            break;
        }
        case 1: //相片
        {
            if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary])  return;
            ipc.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
            break;
        }
            
        default:
            break;
    }
    //显示控制器
    [self presentViewController:ipc animated:nil completion:nil];
}

#pragma mark - UIImagePickerControllerDelegate代理方法
//选择完图片后调用
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info
{
    //销毁控制器
    [picker dismissViewControllerAnimated:nil completion:nil];
    //获得图片
    UIImage *image = info[UIImagePickerControllerOriginalImage];
    //显示图片
    self.imageView.image = image;
    NSLog(@"%@",image);
    
}

- (IBAction)upload {
    if (self.imageView.image == nil)  return;
    
    // 1.创建一个请求操作的管理者
    AFHTTPSessionManager *mgr = [AFHTTPSessionManager manager];
    // 2.封装参数（此参数只能放非文件参数）
    NSMutableDictionary *dict = [NSMutableDictionary dictionary];
    dict[@"username"] = @"bowen";
    dict[@"pwd"] = @"123";
    
    // 2.发送一个请求
    NSString *url = @"http://localhost:8080/MJServer/upload";
    
    [mgr POST:url parameters:dict constructingBodyWithBlock:^(id<AFMultipartFormData>  _Nonnull formData) {
        
        /*
         FileData:需要上传文件的具体数据
         name:服务器那边接收文件用的参数名
         fileName:告诉服务器所上传文件的文件名
         mimeType:所上传文件的文件类型
         */
        
        NSData *fileData = UIImageJPEGRepresentation(self.imageView.image, 1.0);
        [formData appendPartWithFileData:fileData name:@"file" fileName:@"pic.jpg" mimeType:@"image/jpeg"];
        
    } progress:^(NSProgress * _Nonnull uploadProgress) {
        ;
    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        NSLog(@"上传成功");
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"上传失败");
    }];
    
}



#pragma mark - uploadFile
- (void)uploadFile
{
    // 1.创建一个请求操作的管理者
    AFHTTPSessionManager *mgr = [AFHTTPSessionManager manager];
    // 2.封装参数（此参数只能放非文件参数）
    NSMutableDictionary *dict = [NSMutableDictionary dictionary];
    dict[@"username"] = @"bowen";
    dict[@"pwd"] = @"123";
    
    // 2.发送一个请求
    NSString *url = @"http://localhost:8080/MJServer/upload";
    
    [mgr POST:url parameters:dict constructingBodyWithBlock:^(id<AFMultipartFormData>  _Nonnull formData) {
        //在发送请求之前会自动调用这个block
        //需要在这个block中添加文件参数到formData
        
        /*
         FileURL:需要上传的文件的URL路径
         name:告诉服务器那边接收文件用的参数名
         fileName:告诉服务器所上传文件的文件名
         mimeType:所上传文件的文件类型
         */
        NSURL *url = [[NSBundle mainBundle] URLForResource:@"abc" withExtension:@"jpg"];
        [formData appendPartWithFileURL:url name:@"file" fileName:@"text.jpg" mimeType:@"image/jpeg"error:nil];
        
        /*
         FileData:需要上传文件的具体数据
         name:服务器那边接收文件用的参数名
         fileName:告诉服务器所上传文件的文件名
         mimeType:所上传文件的文件类型
         
         UIImage *image = [UIImage imageNamed:@"abc"];
         NSData *fileData = UIImageJPEGRepresentation(image, 1);
         [formData appendPartWithFileData:fileData name:@"file" fileName:@"pic.jpg" mimeType:@"image/jpeg"];
         
         */
        
    } progress:^(NSProgress * _Nonnull uploadProgress) {
        ;
    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        NSLog(@"上传成功");
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"上传失败");
    }];
}

@end