AFNetworking常用代码...

项目中经常用到的AFNetworking代码...

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

static NSString * urlString = @"http://192.168.20.1/login.php";

static NSString * uploadString = @"http://192.168.20.1/post/upload.php";

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    //上传:
    [[AFHTTPSessionManager manager] POST:uploadString parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData>  _Nonnull formData) {
        
        NSURL * fileUrl = [[NSBundle mainBundle] URLForResource:@"xxx.png" withExtension:nil];

        //上传表单操作
        [formData appendPartWithFileURL:fileUrl name:@"userfile00" fileName:@"xxx.png" mimeType:@"image/png" error:nil];
        
    } progress:^(NSProgress * _Nonnull uploadProgress) {
        
        //上传的进度
        NSLog(@"%@",@(uploadProgress.fractionCompleted));
        
    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        
        NSLog(@"%@",responseObject);
        
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        
        NSLog(@"%@",error);
    }];

}

- (void)upload1 {
    
    NSURL * url = [NSURL URLWithString:@"http://192.168.1.34/images/huoyanshan.jpg"];
    NSData * data = [NSData dataWithContentsOfURL:url];
    UIImage * image = [UIImage imageWithData:data];
    
    //上传图片urlsession
    
    NSMutableURLRequest *request = [[AFHTTPRequestSerializer serializer] multipartFormRequestWithMethod:@"POST" URLString:uploadString parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
        
        NSURL * fileUrl = [[NSBundle mainBundle] URLForResource:@"01.png" withExtension:nil];
        
        //FileURL本地路径
        //name 图片的key
        //fileName 随意写
        [formData appendPartWithFileURL:fileUrl name:@"userfile00" fileName:@"02.png" mimeType:@"image/png" error:nil];
        
        NSData * data2 = UIImagePNGRepresentation(image);
        //NSData二进制:
        [formData appendPartWithFileData:data2 name:@"userfile00" fileName:@"03.png" mimeType:@"image/png"];
        
    } error:nil];
    
    AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];
    [[manager uploadTaskWithStreamedRequest:request progress:nil completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
        
        if (error)
        {
            NSLog(@"Error: %@", error);
        }
        else
        {
            NSLog(@"%@ %@", response, responseObject);
        }
        
    }] resume];
}

- (void)download {
    
    //下载:
    [[[[AFURLSessionManager alloc] initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]] downloadTaskWithRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://192.168.1.34/babeishang.mp3"]] progress:nil destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) {
        
        //获取沙盒documents路径:
        NSURL * documentsDirectoryURL = [[NSFileManager defaultManager] URLForDirectory:NSDocumentDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:NO error:nil];
        return [documentsDirectoryURL URLByAppendingPathComponent:[response suggestedFilename]];
        
    } completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) {
        
        //最终的路径:
        NSLog(@"File downloaded to: %@", filePath);
        
    }] resume];
    
}

- (void)post2 {
    
    NSDictionary * params = @{@"username":@"haha",
                              @"password":@"123"};
    
    NSMutableURLRequest * request = [[AFHTTPRequestSerializer serializer] requestWithMethod:@"POST" URLString:urlString parameters:params error:nil];
    //返回数据任务并resume开始执行网络请求:
    [[[[AFURLSessionManager alloc] initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]] dataTaskWithRequest:request completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
        
        NSLog(@"%@",responseObject);
        
    }] resume];
    
}

- (void)post1
{
    //post
    NSDictionary * params = @{@"username":@"haha",
                              @"password":@"123"};
    [[AFHTTPSessionManager manager] POST:urlString parameters:params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        
        NSLog(@"%@",responseObject);
        
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        
        NSLog(@"%@",error);
        
    }];
    
}

- (void)get2
{
    //get请求:
    //获取一个AFHTTPSessionManager
    //GET agr1 请求地址
    //parameters 请求参数
    //success 如果请求成功调用
    //failure 如果请求失败调用
    
    NSDictionary * params = @{@"username":@"haha",
                              @"password":@"123"};
    [[AFHTTPSessionManager manager] GET:urlString parameters:params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        
        NSLog(@"%@",responseObject);
        
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        
        NSLog(@"%@",error);
        
    }];
}

- (void)get1
{
    //get请求:
    NSString * urlStr = [urlString stringByAppendingString:@"?username=haha&password=123"];
    NSURL *URL = [NSURL URLWithString:urlStr];
    
    //response 响应头
    //responseObject 获取到的数据
    //error 网络连接的错误
    
    [[[[AFURLSessionManager alloc] initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]] dataTaskWithRequest:[NSURLRequest requestWithURL:URL] completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) {
        
        if (error)
        {
            NSLog(@"Error: %@", error);
        }
        else
        {
            NSLog(@"%@ %@", response, responseObject);
        }
        
    }] resume];
}

@end

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